Engineer's Guide to Canbus

7/26/2019 Engineer's Guide to Canbus

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Sensor-Technik UKThe CANbus Technology, Pressure and Force Measurement Spec ia l is t

The EngineersGuide to CANbus


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21st Century vehicles where modular

sensors and controls are connected to a

network ba ckbone a re now poss ible

thanks to the w ide ly us ed CANbus . You

ca n throw aw ay the wiring loom and

replac e it with two wires! S mart ga uges

and sensors can be directly connected to

the CANbus. Control modules can

rea d/send da ta, display sys tems ca n

rea d/log da ta a nd b eca use it is a

netw ork, it is irreleva nt wh ere

compo nents a re phys ica lly loca ted.

Information display panels show the

driver/ope rator wha t he need s to know.Log g ing of informa tion feed s the se rvice

sys tem a nd pane ls display information

where req uired, for example next to the

valves on a tanker. CANbus also has the

ba ndw idth to c ope with real-time c ontrol

as well as da ta co llection.

Feature Benef i t

Software set-up Flexible, lower production cost

Standard protocol Able to connect to different equipment

Comm unication Comm unicate with other equipment

Fault diagnostic Err or detection for faulty components

Data logging No more false warr anty claim s

Monitor ing Misuse protection

Memor y Repeat working functions

Inform ation Operator can make decisionsImproved logistics

Electronic controls Better operator working conditionsLonger working hours

Hydraulic remote No vibration, no hazardsBetter viewing

Single system Combined controlsInformation servicing, etc.

Safety Close down facility and error protection

Standard units International regulations and laws approved

Fewer mechanical parts High reliabil ity, minim um failure rates

Standard hardwar e Exclusive to Sensor-TechnikLower cost Reduced wir ing, weight

Low servicing costs, fast repair

Data sheets,

brochures and even

websites cant explain

the full advantages of

moving to CANbus

Why CANbus?

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Lowe r cost production, one set of

so ftware, one sys tem and o ne supplier

on a standard communication system

g iving you flexibility: The s a me a ss emb ly

can be set-up via the software to

individua l custo mer a pplica tions without

having to c hange any ha rdwa re.

Communication systems: DifferentCANbus co ntrollers a re ab le to

communicate with each other over the

sa me b us, i.e eng ine to trans miss ion,

to the operator panel or to a ny other

controller.

Easily controlled and consistently

precise w ork: C AN Controllers c a n b e

linked together. For example, a controller

on one vehicle can talk to another youca n a dd mac hinery on a trac tor and it will

wo rk tog ether. Repe a t wo rking functions

ca n be logg ed b y simple se lection,

g iving hig h repea tab le q uality of work.

Better operator working conditions and

long er working hours: P ush s witches a nd

joysticks replace heavy or difficult levers,

g iving be tter driver comfort and be tter

viewing as valve blocks, pipes etc areelimina ted from the c a b. No vibration,

mechanical shocks, fatigue, white finger

etc., and the operator interfa ce c an b e

se t up to individua l applica tions .

Reduced mechanical components,

minimum fa ilures: As the o perator pa nel

electronically talks to the controller, the

removal of the hydraulics in the driver

ca b ca n be a chieved des irab le as new

European regulations come into force.

The c ontroller ca n be mounted close to

the hydraulic system, allowing pipework

to be reduced.

Elimina ting being in the wrong pla ce ;

remote view ing : C ANbus ca n b e linked

with other equipment such as remote

controls, video ca meras and GP S

(Global Positioning System) to track a

vehicle a nd to ens ure it only wo rks whereit has b een a lloca ted.

Information the key to improvement

and sa ving money: C ANbus ca n bring

together several systems, such as

weighing systems, information logging,

sta tistics , s ervicing reports, time per job

and others.

Fast a nd low cos t servicing a ndba ckup: No mo re w a sted investig ation

into why a vehicle has a problem; the

fault diag nos tic with c omplete error

mes sa g e w ill hig hlig ht the problem and

its also available by mobile telephone.

Low cost servicing, fewer warranty

claims: S a fety features/error d etec tion

can b e ad ded to ensure eq uipment

cannot be overloaded or misused andonly co rrect co mma nds are executed. In

the event of misuse the process will be

stopped and logged.

High reliability where it counts, use of

standa rd s ensors at low c ost, no need

for special senso rs or new technology:

The input/output mo dules a llow you to

use yo ur alrea dy proven sens ors which

are tried and tested although yo u ca n

of co urse c omb ine them with up-to-da te

CANbus sens ors too!

M aking the move to

bus-based control is

a big step, but it

neednt be a difficul t

one. Whether you

need fully approved

components with a

proven track recordor com plete system

designs, we can

meet your

requirements. And

well be with you

every step of the way

The bene f i t s of CANbus

Te l : 0 1 2 3 4 7 8 2 0 4 9 F ax : 0 1 2 3 4 7 8 2 0 5 6 s al e s @ s e ns o r- t e c h n i k. c o . uk w w w . se n so r- t e c h n i k. c o . u k Sensor-Technik UK Ltd


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CANbus co ntrol units a nd HMIs (Huma n

Machine Interfaces) are used in a wide

variety o f functions in mo bile a nd

sta tiona ry ap plica tions . Via the va rious

co nfig urable inputs a nd outputs it is

pos sible to c onnec t all types of se nsors

a nd a ctuators d irectly to the co ntrol

unit; the us er-prog ramme d co ntroller

monitors the sys tem inputs a nd allowseither clos ed loop or open loop control

of the outputs. This w a y, compo nents

suc h as proportiona l valves c a n be

controlled directly.

Tog ether with extende d d ia g nos tics

functions a nd the C AN interfa ce , the

system offers unmatched in-service

fac ilities . In ca se of failure (suc h a s

broken c a bles or sho rt circuits) it a llow susers to restore the vehicle to safe

co nditions and provides service sta ff

with the right tools for quick and easy

diagnostics. With the additional

possibility of remote (wireless)

maintained diagnostics, CANbus is

ca pab le of ma king a significa nt

co ntribution to increa se d ve hicle

availability and productivity.

More and more vehicle manufacturers

a nd a utomotive c ompone nt suppliers

a re realising the b ene fits o f the CANbussys tem. This technology ha s now

reache d a sta ge where internationa lly

a greed sta nda rds exist, so that different

ma nufac turers electronics ca n

communicate together. A typical

mod ern truck might ha ve se pa ra te

electronic modules controlling engine,

automatic gea rbox, ABS brakes and

on-bo a rd hyd raulic co ntrol. The eng ine

mod ule ha s a sens or rea ding RPM. Allthe other mod ules, s uch a s the

gearbox, need to know the engine RPM

to o pera te c orrec tly. The e ng ine m od ule

will broadcast the engine RPM message

on the CANbus , and a module

connected to the bus can receive the

mes sa g e a nd us e that informa tion. This

means that the engine RP M senso r

need only be connected to one of the

modules.

The versa tility o f CANbus mo dules is

evident from the wide rang e o f

a pplica tions in which they a re us ed:

sp ec ia lise d civil eng inee ring ; m ob ile

cra nes ; a g ricultural/ha rvesting

machinery; forklift trucks; refuse

co llec tion ve hicles; stea mrollers; a ircra ft

towing vehicles; road sweepers;

exca vators; fire eng ines ; military

eq uipment; b oa ts; s hipyard cranes;

digg ers; a nd ma ny others

Wha t c an CANbus do?Applications include:

Engine management

Electro-hydraulicsteering systems(steering-by-wire)

Hydrostatic drivecontrol

(driving-by-wire)

All control functionsof working hydraulic s

Transmission control

Automatic levelling

and positioning ofplatforms



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The Controller Area Network (CAN) was

originally developed by Bosch for use in

the a utomotive indus try, but has

esta blished itself as the s tanda rd b us

system for mobile applications, and is

defined under ISO 11898. CANbus

sys tems exhibit hig h tra nsfer ra tes up to

1Mbit/se c a nd high d a ta trans miss ion

reliability. A number of differentcapabilities (CRC, frame checking,

acknowledgement, bit monitoring and bit

stuffing) enable the CAN protocol to

recognise errors in the transmitted data

(ca used for example b y electroma gne tic

disturba nce s) a nd to co rrec t them. This

correction takes place with very little loss

of time, making CANbus extremely

reliable in demanding applications.

A pair of wires forms the transmission

med ium. The leng th of the netwo rk ca n

be up to 40m for the m a ximum 1Mbit/sec

trans miss ion spe ed, b ut networks c an b e

up to 1000m in length without the need

for repeaters and are practical for

trans miss ion ra tes o f 80Kbit/sec o r les s .

The numb er of nod es on the netwo rk is

unlimited in the ory, but in pra ctice

depends on the type of chip used. Withcommonly used chips, 32, 64 or up to

110 nodes per network are possible (or

128 with res trictions ), whilst further no de s

ca n be acc ommoda ted by using

repea ters o r bridg es.

CAN is a multi-ma ste r sys tem w ith line

topolog y a nd real-time ca pa bility. Unique

identifiers contain information not

directly related to the address of a

participant, but to the contents of a

message (such as temperature, rotational

speed or linear speed). All participants

check out the identifier being transmitted

and dec ide if the type of mess ag e is

releva nt to thems elves . In this wa y, all

messa ges ca n be received from many or

a ll of the pa rticipa nts s imultane ous ly. The

unique identifier also determines the

priority of the mes sa g e rela ting to bus

ac ces s. S hould a number of participantstry to access the bus simultaneously, the

higher priority message is guaranteed to

ga in bus access.

Standard format (11-bit identifier) and

extend ed forma t (29-bit ide ntifier) are tw o

different messa ge formats that c an exist

on the sa me p hysica l CANbus. The C AN

2.0 B specification supports both formats,

while CAN 2.0 A on ly a llow s fra me s with11-bit identifiers .

Throug h co ntent-oriente d ide ntifiers in

the mess ag e, the sys tem achieves a high

degree of configuration flexibility and

allows a simple extension of the network

to include further d evice s.

High per fo rm anc eNetworks of up to

40m will support

transfer rates of

1Mbit/sec

Networks up to

1000m in length

without repeaters arepractical with rates of

80Kbit/sec or less



6/16

In February of 1986, Robert Bosch

introduced the CAN serial bus system at

the SAE congress in Detroit. It was

des igned to handle short mess ag es,

support multi-master access, and offer a

high degree of reliability. In mid 1987,

Intel delivered the first CAN chip, and

toda y more tha n 20 chip ma nufac turers

produce devices that offer CANinterfaces.

CAN quickly gained a dominating

pos ition a mong bus protoco ls. In 1999

clos e to 60 million C AN co ntrollers

ma de their wa y into a pplica tions; more

than 100 million CAN devices were sold

in the year 2000.

A big a dva ntag e o f the C AN buscompared to other network solutions is

the p rice /performa nce ratio. P rice wise,

CAN is the mo st a fforda ble netw ork next

to a regular serial channel.

With CAN being a pure data link layer

implementa tion, hig her level a pplica tion

layers have been developed to increase

CANs suitability for use in specific

areas of different applications...

SAE J1939As a real-time CAN solution for heavy

duty a pplica tions , J 1939 is s uited for

equipment used in industries ranging

from a g riculture, co nstruction, a nd

fire/res cue to fores try, m a teria ls

handling, and on- and off-highway.

Communication systems designed

ac cording to J 1939 standa rds are

EMI/RFI tolera nt, free of co nne c tion

wires , ea sy to insta ll, a nd fea ture log,

record, remote access, and self-

diag nos is c a pa bilities . The J 1939

sta nda rds fam ily is ma intained to

ensure CAN device interoperability.

CANopenCANopen is a network technology

optimise d for use in industria l controlenvironments , in ma chine internal

networks a nd in embedd ed s ystems

(any control unit deeply embedded in

a de vice with e lec tronics). In indus tria l

co ntrol terms CANopen is a fieldbus .

S ome fieldb us a pplica tions use

derivations from RS485 for similar

emb edd ed networks. However, with

RS 485 the n etwo rk de signe r/de velope rneed s to invent many c ommunica tion

routines. CANopen, on the other hand,

features a pre-defined set of network

co mmunication functiona lity.

W hats ahead for C AN ?Although the CAN protocol is now 15

years old, it is still being enhanced. For

example, at the beginning of 2000 an

IS O tas k force involving a number ofco mpa nies defined a protoco l for the

time-trig g ered tra nsm iss ion of C AN

m e ssa g e s .

In a dd ition, o ther sta nda rds are b eing

formed to e nab le new items o f equipment

to be connected for example allowing

simple d ata trans miss ion b etween new

ma chinery and a tra ctor. Also , d ifferent

industries are generating their own

spec ifica tions, increas ing the sc ope of

CAN as a universa l interfa ce .

A pro toco l w i th a ped ig reeThere are a number of

higher protocols such

as LBS, OSEK, SAE

J1939, CAL (CAN

Application Layer

the basis for the

communications

profile CANopen),DeviceNet and others

which have been

standardised. These

are available on

the so-called

appli cation layer



7/16

Lots of manufacturers will tell you that their

products are freely programmable, but

wha t do they really mea n? More often it

mea ns freely prog ramma ble with the

software that they supply. In effect, theyre

locking you into their products.

With Sensor-Tec hniks CANbus p roducts,

you ca n use w hatever software bes t suitsyour needs a stand ard programming

language like C, or an IEC 1131-3

co mplia nt g raphica l prog ram, including

Function Block Diagram, Ladder Diagram,

Instruction List, S tructured Text or

S eq uentia l Function C ha rt. Tha t mea ns

you can buy products from many different

manufacturers, but put your system

together using a single softwa re pa ckag e.

S ens or-Tec hnik offers a n extensive function

library o f rea dy-to-use co mpone nts,

ma king it q uick a nd simple to d evelop

even complex applications. Debug and

diagnos tic tools a re a lso ava ilab le on

req ues t. Alterna tively, S ensor-Tec hnik ca n

develop your complete software

application for you.

Softw are safetyOur freely prog ramma ble software is

already approved by international

standards and, used together with

approved hardware, will save time andmoney a ss ociated w ith getting approvals

after the project is completed, if that is

even po ss ible.

Safety standards are particularly important.

The s a fety sta nda rds a uthority TV ha s

a lread y c ertified so me of the proprietary

CAN-ba sed sa fety systems and the

software used to program them. CANopen-

Safety is the first standardised CANsolution to earn a tentative BIA approval.

Also, approval of the CANopen framework

for maritime applications by one of the

lea ding c la ss ifica tion s oc ieties wo rldw ide

Germanischer Lloyd is in preparation.

Free ly p rogram m ableProgram yourapplication in: Function Block

Diagram Ladder Diagram Instruction List Structured Text

SequentialFunction Chart C

Single package for

generation ofgraphic s, text andpages: Simple

programming WYSIWYG

technologyinterface


Ma ny prod ucts in S ens or-Tec hniks ra ng e

a re also S AE J 1939 complia nt, and there isa ss ociated config ura tion s oftware. This

simple-to-use software with familiar

Window s interface a llow s g enera tion a nd

editing of user-specific graphics, text and

pages. It dramatically simplifies the

ge nera tion of tables o f variab les, a nd o f

linking these to g raphics a nd to rea l-world

text messages. It has been designed to be

eas y to learn and use so that you can be

config uring your s ystems within minutes .

The ed itor ha s b een e q uipped w ith a spe cial

WYSIWYG interfac e for the repres enta tion of

the ope rating pa nel display. This me a ns tha t

the character set of the device is presentedon s creen in exactly the wa y it will a ppea r

on the d evice. The s a me a pplies to

graphics, which are shown in exactly the

wa y they will a ppea r on the LCD d isplay.

To s implify da ta g ene ration, d ifferent co lours

a re as sign ed to individua l functions . Thus,

the different entries can be easily identified

on the display. In co nfigura tion m od e, the

J 1939 software provides views of the editor

with J 1939 conne ction, the ta ble of

variables, and the graphic representation of

the connected eq uipment.

J1939 com pliant configuration softw are


8/16

Brief given

Farmers are under constant pressure to

improve productivity and cut co sts. Hence

every machine has to be more ac curate and

efficient in order to meet ever more stringent

targets, such as minimising size and weight.

One manufacturer needed a display unit to

pick up CANbus signa ls a nd d isplay them to

the operator. It also had to make it easy for

the operator to make adjustments to keep the

vehicle running constantly. Further, the display

unit pac kag e ha d to look uniq ue for the

customer.

The soluti on

The s olution w a s a sta nda rd G raf mod el AT3

CANbus HMI that had all the functions

required for this application. It was supplied

with freely-programmable software including

graphics and wa s re-pac kag ed in the

customers own housing.

Implementation

What was required was to specify the signals

that needed to b e displaye d a nd the control

signals that were need ed by the ope rator in

order to control the trailer. Once this was

de termined, implementa tion w a s simply a

q uestion of se tting up the unit to displa y w ith

the appropriate graphical and functional

sc reens. The prog ram w a s s imple to write in

standard Graf C software, and the images

uploa ded in JP EG format.

Conclusion

With simple modifications to a standard product,

the customer gained a piece of hardware that

wa s uniq ue in its mec hanical style b ut which

provided a ll the functiona lity req uired.

Brief given

As a g ricultura l machines ha ve de velope d in

co mplexity a nd s ophistica tion, c ustomers

ha ve dema nde d more ope rator control. The

la test version of a pota to ha rves ter from

S tand en featured 55 individua l switching

signals, with which the operator can control

30 individual functions. In development, it was

realised that the practical limits of hard-wiring

had bee n reached.

The soluti on

S tand ens ma in hydra ulic va lve supplier

proposed a CANbus s ystem using the robust

a nd proven ES X co ntrol modules from

S ens or-Tec hnik, w ith s oftwa re w ritten b y the

sup pliers e lectronic division.

Implementation

The driver interfa ce co ntrol unit ha s a

membrane fascia, interfaced to the bus with a56-channel input and 32 LED indicator output

mod ule. To a llow the ope rator to view a nd s et

defaults for flow rates, delay and response

times a nd to monitor pres sures in circuits, a

Wachendorff OPUS Light four-line operator

display pa nel is inset in the fas cia. The s ystem

drives between 18 and 24 valves, depending

on the c ustomer s pec ifica tion for the ma chine.

Functions which previous ly c ould o nly ha ve

been manua lly preset on the ha rvester can

now b e s et in-ca b b y the operator as req uired,a llowing far grea ter control on the q uality of

the crop sample produced by the harvester.

Optional automatic sensors for machine

levelling, discha rge elevator heig ht, depth

control and axle steering position can be

plugged into the main ESX processor.

Conclusion

Sta nden ha s s aved significa nt costs, ma inly

due to reductions in commissioning times .

The simplicity of the wiring loom a llowedS tand en to b ring the wiring in-house ,

de livering a dd itiona l cos t sa ving s.

CANbus i n ac t ion ... Hydraulic Mac hinery.... Rail Industry ...Root c ropharvester

Bale trailermanufacture


Standen has savedsignific ant costs,

mainly due toreductions i n

commissioning time

Operators have fargreater control of the

operations and themanufacturer has aunique competitive

advantage


9/16

Brief given

Acce ss pla tform fire fig hters need to be a ble

to park their vehicle very accurately. Get it

wrong a nd e ither the platform wo nt rea ch or,

if the platform has to extend too far, the

vehicle could fall over due to lever effects.

The soluti on

A CANbus co ntroller and HMI unit we re

se lected to co ntrol the hydra ulics for the

outside s tab ilise r feet, a pplying more press ure

where needed to adapt the balance as the the

pla tform is rotated . The s ystem a lso controls

the extension of the platform, with fail-safes

for overloa d cond itions . The s ystem interfa ces

to the existing eng ine C ANbus s ystem to

speed up or slow dow n the hydraulic pump.

Implementation

The bigg es t iss ue here wa s to s et up the HMI

to sho w the o perator the exac t position o f the

pla tform, indicating a t the sa me time ho w

much more extension was possible before

any overloa d, s o that a n ea rly de cision could

be mad e a bout whether to move the vehicle.

Safety considerations included using the

CANbus s ystem to first tes t the ground und er

the vehicle to ens ure tha t the surfa ce is s ound

enoug h to suppo rt the vehicle.

Conclusion

Fire engines ca n now b e pos itioned and used

within minutes of arriving on the scene,

a llowing fires to b e ta ckled more q uickly a nd

with a higher degree of safety.

Brief given

Go ldhofer manufac turers a rang e o f loa d

ca rrying pla tforms, including he a vy duty

modules capable of transporting enormous

structures weighing many hundreds of

tonnes. Among its range are multi-axis

hydrostatic self-driving units which can be

use d either sing ly o r with multiple units in

tand em. C ontrolling a single module is a

cha lleng e c ontrolling a nd sync hronisingmultiple units is extraordinarily demanding.

The soluti on

CANbus wa s s elected as the communica tions

bus for the o n-bo a rd stee ring, hydraulic level

a djustment a nd d ies el engine drive functions .

It was a lso sugg ested as the best means of

synchronising multiple platforms.

Implementation

Each platform includes a CANbus ESX hostco mputer and a further ESX axis control

mod ule. The ES X host co mmunica tes bo th with

the axis control module, and also with other

ESX host modules on as many other platforms

a re req uired, d elivering tig ht sync hronisa tion of

movement in a multi-platform sys tem. The ES X

host computer controls the steering on each

platform directly, based on information from

the other ESX host modules, and from angle

feedback signals from the wheels delivered

via the ES X axis co ntrol mod ule.

The a xis c ontrol module a lso mo nitors the

speed of each w heel and feeds this

informa tion b a ck to the ES X hos t fora utoma tic throttle a djustmen t. The C ANbus

co ntrollers a lso monitor a nd control the

proportional valves for the hydraulic level

ad justment system.

Conclusion

Co st-effective cros s-linking of a ll the C ANbus

co ntrollers ma kes it poss ible to d es ig n a fully

mod ula r, d ece ntra lise d co ntrol sys tem. With a

pa ir of wires forming the b a sis o f the

tra nsmission med ium, ca bling is kept to a na bs olute minimum. The high trans fer rates of

CANbus with exce llent trans mission relia bility

ens ure all pla tforms in a sys tem receive

control signals at exactly the same time,

g iving tig ht sync hronisa tion of moveme nt.

Agricultural Machinery.. . Municipal Equipment. . . Construct ion Equipment. . . Mil it ary Vehicles.. .

M ultiple tandemself-driving platforms

The CANbus

implementationallows the wholesystem to bedesigned in modularfashion for ul timateflexibility

Fire fightingvehicles

CANbus is allowingfire fighting vehiclesto get into positionmore quickly and tobe used more safely



10/16

The ES X family o f freely prog ramm a ble c ontrollers from S TW is sp ec ia lly

designed for mobile applications such as agricultural machinery, construction

eq uipment, man a nd ma terial lifts a nd ma ny other demand ing tasks. Rob ust

cast-aluminum housings with an IP65 rating (optionally IP67) offer a high

degree of safety in terms of EMC and the extremes of outdoor environments.

The ES X family a lso offers c ontrollers tha t mee t the req uirements of s a fety

no rms such a s AK 4 (DIN V VDE 0801, D IN V 19250), C a teg ory 3 (EN 954-1)

a nd S IL 2 (IEC 61508).

With all ESX family controllers, the inputs and outputs are freely

prog ramma ble. The us er is a ble to rea lise H-Bridg e functiona lity to c ontrol

motor functions. Via RS232 and CANBus interfaces, bridge and gateway

functionality can also be realised.

The rang e o f CAN controllers include s hig h pe rformanc e s tand a rd co ntrollers,

co mpa ct c ontrollers, micro co ntrollers, c ontrollers w ith da ta log g ing

ca pa bilities , a nd c ontrollers offering remote da ta trans fer via G MS /G P RS o r

the internet. S TW a lso supp lies a n extensive ra ng e o f I/O mo dules a nd ba byboa rd I/O c ards , test a nd simulation b oxes, s imple d isplays, and ded ica ted

CANbus ca bles.

About STWFounde d b y Ka tharina a nd Wolfg a ng Wied ema nn in 1985,

S TW is d riven by a pa ss iona te an d end uring p ursuit of new tec hnolog ies ,

es pec ia lly whe n it come s to s olving co mplex technica l problems . The

original product focus sensors and measurement was expanded to

include mobile controllers in 1989.

The high q uality sta nda rd produc ts o f the S TW g roup, co mbined with the

loc a l ma rket knowledg e a nd a pplica tions unde rstand ing of S ens or-Tec hnik

UK, gives us a formida ble s treng th in reso lving problems a nd p roviding

systems solutions and makes us a reliable, long-term partner for our

customers.

STW


CANbus c omponents...


11/16

ESX C ontrollerA rugged standard controller for sensor-actuator management,capable of executing a number of tasks in real time. It has been developed especially

for use und er ha rsh co nditions a nd extreme temperatures, functioning from 40 to

+ 85C in vehicles a nd ma chines. Freely prog ramma ble in C or IEC 1131-3 graphica l

interface.

ESX-LT C ontrollerA more c ompa ct version o f the s tand a rd co ntroller forse nso r-a ctuator ma nag ement, w ithout compromising on c a pa bility or functiona lity. It

has been developed for use unde r harsh cond itions and extreme temperatures,

functioning from 40 to + 85C in vehicles a nd ma chines. Freely progra mma ble in Cor IEC 1131-3 graphical interface.

ESX M icro C ontrollerThe ne we st a dd ition to the ES X co ntroller family is ahighly compa ct product capa ble of acting as an independe nt controller or as a slave

in a network. Its co mpa ct size me a ns it is ide a lly s uited for spe ciality ma chines

because of its compact design.

ESX-C 2C C ontrollerThe freely progra mma ble ES X-C2C mo dule not on lyprovides data logging capabilities for mobile machines, but also enables remote

diagnos is o f systems via an internal GS M modem for enhanced customer support

se rvices . Da ta trans fer is via G S M/G P RS o r internet, a nd the mo dule ca n a utomatically

se nd S MS text mess a g es . Text mes sa g e a la rms ca n be use r-de fined. The mod ule

provides bridge and gateway functionality.

ESX-D IO S/D IO M I/O M odules These I/O mo dules fo r mob ilea pplica tions extend the I/O ca pa bility of a C ANbus m a ste r controller.

ESX B aby Boards The ES X can be eq uipped with up to two interna llymounted extension modules called Baby Boards. Four different basic module types

exist, on e a ch o f which 6 I/Os a re ava ila ble. Thes e four bas ic types ca n a ga in be

varied through altering the hardware assembly. On the Baby Board B it is possible to

spe cify the type o f some inputs or outputs with software.

ESX Test/Sim ulation B ox A tes t bo x in 19-in ra ck forma t which p rovide smonitoring circuits a nd indica tors for a ll inputs a nd o utputs, a s w ell a s a co nnector for

the ES X, to fa cilitate progra mming a nd testing of ES X softwa re. All inputs a nd outputs

may b e sw itched a s d esired o r connected to simulators for sens ors and ac tuators.

ESX-H M IThe ES X-HMI rea ds in C ANbus me ss a g es a nd d isplays them for fa stand easy diagnosis of system related hardware and software states. Error codes and

information co des , defined d uring prog ram development, can be as signed to ea ch

ma chine a nd/or failure m od e. Two push b uttons on the display a llow the ope rator to

scroll through messages and implement simple system actions.




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RTS



Reig g er Telemetrie S ystem e (RTS ) has de velope d a rang e of innova tive

telemetry systems for the agricultural market, enabling remote diagnostics

and ma intenance, da ta a cq uisition, fleet ma nag ement a nd theft protection. As

we ll a s o ffering a rang e of stand a rd prod ucts, RTS is a de pt at developing

individua l telemetry projec ts to mee t the nee ds of individua l custome rs.

RTS prod ucts a re CAN-ba se d s ys tems , built around S TWs ES X-C2C CAN

controller and teleservice communications module. Systems collect data from

both office and machinery, and transmit it to a central PC over GSM orBluetooth. GPS is also employed for vehicle position monitoring and site

mapping.

About RTSRieg g er Telemetrie S yste me ha s be en a t the forefront of a g ricultural

eng inee ring for more than 50 yea rs. Tod a y RTS lea ds the wo rld in

solutions to enable precision farming, e-farming, and to facilitate and

simplify government d epa rtment insp ec tion. The c omp a nys s olutions a re

tailored to meeting the need s of loc al ma rkets, d raw ing on the very la test

technologies.

M oD aSys Und er EU Direc tive 178/2002, fa rmers a re req uired to reco rd a llproduction da ta. The RTS MoDa S ys da ta log g ing sys tem helps to fulfil this ta sk,

simply a nd co st-effectively. MoDa S ys monitors the ma chinery functions , plus

mac hine da ta s uch a s e ngine speed , vehicle speed and idle t ime, presenting the

da ta a s real-t ime g raphs o r da ily overviews . MoDa Sys also mo nitors a rea covered,

distance covered and the route travelled, as well as detailing the hours of work.

MoDaSys transfers data wirelessly via Bluetooth or GSM.

Supplied complete with comprehensive agricultural software, MoDaSys is the

essential tool for farm managers or fleet management service partners.


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Wachendor f f



The Op us fa mily from Wa ch end orff provides a n extrem ely hig h q ua lity ra ng e

of displays, HMIs and operator panels, developed with commercial vehicle

a pplica tions in mind. Attrac tively d es ig ned a nd expertly finishe d, these co ntrol

interfaces for CANbus systems are sealed to IP65 and feature backlighting

that adjusts automatically to ambient light.

The Opus rang e include s rugg ed ope rator termina ls eq uivalent to a

pow erful indus tria l PC with w hich a who le rang e of different a utomotive

a pplica tions ca n be co ntrolled in pa rallel. The pa nels co mbine the lates ttechnolog y with rugg ed workma nship. S D fla sh me mory cards make it eas y

to trans fer project da ta to s pecific o perator panels from a PC . Eas e of

operation is co nsiderab ly enha nced thanks to the mod ular wa y in which the

user interface ca n be cons tructed.

Opus ope rator panels have b een use d in a raft of applica tions a cross the

globe. For example, used a s a n information a nd c omma nd c entre in Fendt

trac tors, the OP US Thor controls a variety of ac ces so ry eq uipment and trac tor

functions. In K ss bo hrers P isten-Bully rang e o f spec ia l purpose vehicles, the

Opus Thor wo rks just a s relia bly in the free zing s now of the Alps a s in theburning d ese rt sa nds of Duba i. In Bucher roa d s weepe rs the Opus 21

combines the roles of control centre and instrument panel.

About W achendorffWa che ndo rff ha s be en ma nufac turing e lec tronic devices for a utoma tion

a nd proces s o ptimisa tion of mac hines, plants a nd mo bile ma chines for

over 25 yea rs. Every pane l is c omp rehens ively teste d, w ith Wa che ndo rff

ha ving in-hous e fac ilities for sa lt s praying, full enclos ure tes ting , EMV

testing for vibration resistance, and climatic testing.

O pus A1 Full VG A TFTd isp lay o pera tor interfac e for use in d ema ndingco mmercial vehicle a pplica tions . The dieca st a luminium ho using p rovide s fla nge

mounting on the rear.

O pus A2 Co lour or monochrome opera tor interfa ce for use in dema ndingco mmercial vehicle a pplica tions .

O pus A21 Control interface for CANbus systems, with IP65 ABS injectionmo ulde d, ho us ing a nd 1/4 VG A TFT.

O pus ThorAttractively-designed operator interface for arduous in-vehiclea pplica tions , with fully prog ramma ble g raphic com puter display a nd C ANbus

interfa ce . The hous ing is c a st a luminium, powd er coa ted.


14/16

Graf-Syteco


Graf-Syteco offers the industrys most complete range of CANbus enabled

operator panels, for general industrial, building management and mobile

vehicle a pplica tions . The prod ucts a re ava ila ble in a rang e of sizes a nd w ith

different levels of functiona lity to a llow the prec ise need s of the a pplica tion to

be met w ith the mo st c os t-effec tive s olution.

The units a re a lso a va ila ble w ith a dd itiona l built-in control func tiona lity a nd

with a dd itiona l on-bo a rd I/O to provide d irect c ontrol of externa l CANbus

nod es . Further, the units c a n be supp lied without the ope rator pane l toprovide c ompa ct, stand alone CAN node s.

The produc ts ca n be s upplied to me et dema nding environmenta l co nditions .

Front panels are protected to IP64, and the panels are suitable for use in

extreme temperatures from 20C to + 70C .

Graf-Syteco has also developed associated programming software which

provides the simplest mea ns o f setting up a sys tem. Easy to use, the

software guides even the novice programmer through application

development and operator-interface design. Graf-Syteco offerscomprehensive, free telephone support, and provides reg ular upda tes.

About G raf-SytecoGraf-Syteco has more than 20 years experience in the electronics industry

a nd m ore than 10 yea rs in mob ile a pplica tions . The c ompa nys products

are supplied all over the world to a variety of applications. Graf-Syteco is a

small-to-medium sized company that is family owned, run by Mr and Mrs

G raf. As s uch, the compa ny ca n service b oth sma ll orders a nd high

volume product runs, with the ability to tailor products to customer

requirements without large associated costs.

As well as developing high q uality hardwa re, G raf-S yteco ha s its ow n

in-hous e so ftwa re depa rtment. This no t only mean s tha t the sta nda rd

software programming package is of the highest standard, it also means

that the co mpa ny ca n d evelop custome r-spe cific ap plica tions and projects

both quickly and cost-effectively, in contrast to other companies which

have to out-source their software development or employ expensive

consultancies.



15/16


AT8-Series The AT8-S eries is a very e fficient TFT co lour gra phics co ntrol unit,de signe d for rough environmenta l indus tria l and vehicle a pplica tions . The c ontrol unit

has eight freely prog ramma ble function keys a nd a digital input potentiometer for eas y

one-handed operation. A dual CAN port option allows the unit to communicate to the

eng ine a nd to other eq uipment on the s ystem s imultaneo usly without upse tting the

CANbus . The unit is a vaila ble for pane l mounting or a s a co mplete enc los ure.

AT3-Series The AT3-S eries is a n op era tor pa ne l with full g rap hica l disp laycapability on its LCD, accepting any standard graphical image formats such as JPEG

a nd Tiff. The unit ca n function a s a co mplete C ANbus co ntroller; the a dd ition o f inputa nd o utput sla ve modules ena ble you to build up a low cos t, simple C ANbus sys tem.

The unit is a vaila ble for pa nel mounting or as a c omplete en closure.

AT2-Series The AT2-S eries is a n op era tor pa nel with cha rac ter ca pa bility,a vaila ble a s a n LCD with LED-ba cklight o r VF displa y. It has bee n de veloped for use

in arduous environments such as vehicles, building machines and plant construction

eq uipme nt. The o pera tor pa nel ha s a CAN interfac e. The us er-interfac e is s implified by

the a dd ition o f an integrated digita l potentiome ter and it is pos sible to input

characters without an additional keyboard.

AT3-Series H M I and C AN C ontrollerThe AT3-S eries o pe rato r pane lis a lso a vaila ble w ith b uilt-in c ontrol function a nd direct I/O, a llow ing the unit to ta ke

direct c ontrol of any external nod es . The o utputs a re a ble to drive so lenoid valves,

proportional valves or relays directly.

C ontrol U nits w ith I/O The AT2-S eries a nd AT3-S eries op era tor pa ne ls a rea lso a vaila ble w ith built-in c ontrol function a nd direct I/O, b ut without the g rap hic

display, to form compa ct sta nda lone CAN nodes . The outputs a re ab le to d rive

solenoid valves, proportional valves or relays directly.

AT6 and AT7 Series Industrial Term inals Thes e o perator pa nelsprovide a lowe r cos t a lternative to P Cs for indus tria l applica tions . They a re de livered

in s everal stand a rd finishe s. A CAN interfa ce is p rovide d a s s tand a rd, with other bussys tems a vaila ble, plus RS 232 or RS422 seria l interfa ces .

J1939 com pliant configuration softw are All Gra f-S yte co AT-S eriesproducts are SAE J1939 compliant, and the company offers associated configuration

so ftwa re, ITE6E18. This simple to us e s oftwa re with fa milia r Windo ws interfac e a llows

generation and editing of user-specific graphics, text and pages.



16/16

Sensor-Technik UK Ltd

Unit 10, The Granary

Mi ll Road, Sharnbrook

Bedfordshire MK44 1NN

Tel: 01234 782049

Fax: 01234 782056

sales@ sensor-technik.co.uk

www.sensor-technik.co.uk

The UKs CANbus sp ec ia l is t

Making the move to a bus-ba sed control sys tem is

a big s tep, b ut it need nt be a difficult one. Whether

you req uire fully-a pproved c ompo nents w ith a tra ck

record, o r comp lete s ystem de sign, S ens or-Tec hnik

has the answer. And well be with you every step of

the wa y.

CANbus p rovide s the idea l sys tem for integ rating

electronic c ontrols into vehicles a nd ma chinery,

particularly because its a system which is to ISO

standa rd a nd which is s upported by s o ma ny

different ma nufa cturers.

The S en sor-Tec hnik ES X con troller a nd its va ria nts

have been specified for use in vehicles and

ma chinery. This proven, relia ble s ystem ha s found

applications in engine management, 2- and 4-wheel

steering, drive-by-wire systems, anti-lock braking,

a nti-slip reg ula tion, a utoma tic g ea r shifting a nd

hydraulic control of mobile machinery.

S ens or-Tec hnik ca n a lso provide a ll the relevant

accessories, from operator interfaces to the

complete c ontrol system a nd interfac e pa ckag e.

Mos t importan tly, with S ens or-Tec hnik you c a n

spec ify s tanda rd, fully a pproved a nd tes ted

products which will save you having to obtain many

a pprovals yo urse lf.

Documents

Engineer's Guide to Canbus