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F 90
F 90
Filling unitspneumatically orelectrically operated
C o nt r o l u n it s w i t hb a si c p n eu m at i cfunctions
e . g .5 / 3 d i r e ct i o n a l c o nt r o l v a l v epneumatically operatedor5 / 2 d i r e ct i o n a l c o nt r o l v a l v eelectrically operated
c ha n g eo v er o ri m pu l s e v e rs i on
I f ce r t a i n g r o u p s o f c o m p o ne n t s c o n -s i st i ng o f s t a nd a rd d e vi c es a n d c o n-n e c t in g el e m e n ts h a v e b e e n s u c c es s -f u ll y u se d a n d t es te d i t i s o ft en p o ss i bl et o r e p la c e t h em b y a c o n tr o l un i t. E s pe -c i al l y w he r e l a r ge n u m be r s o f i d en t ic a lc on tr ol s ys te ms a re r eq ui re d t he c on -t r ol u n it i s a v e r y c os t- e ff ec t iv e s o lu t io n :s m a l l s pa c e r e q u i re m e n tclear configurationsmall number of individual partsn o o u t l a y f o r pi p i n gn o p o t e nt i a l l y l e a k i n g c o n n ec t i o n sl e ss t e st i ng a n d a s s em b l y w or k s i mp l e m a in t en a nc e a n d c o mm i ss i on i ngg o od d e si g n
T h e c o nt r ol u n it c om b in e s a c o nt r olb l oc k w i th s u bp l a te a n d b l oc k m o un t ed u n i ts .
T h e c o n t ro l u n i t c o m p ri s e s t h ef o l l ow i n g f u n c ti o n s :P r e ss u r e c o n t ro l t h r o u g h p r e s s u r eregulatorP r e ss u r e d i s p l a y t h r o ug h p r e s s u r egaugeDirectional control through directionalcontrol valvesF l o w c o n t ro l t h r o u gh fl o w c o n t ro l
valves (on exhaust side)
To e x te n d t h e p o ss i bl e a p p li c at i on st h e r e i s a n ex t e n si o n u n i t a v a i l a bl e
which is screwed onto the control unit.
ApplicationsF or d ri v e e l em e nt s m o un t ed a t s om ed i s t a n ce f r o m o n e a n o t h er ( c yl i n d e rs ,r o ta r y a c t ua t or s a n d m o to r s )F o r d i f f er e n t o p e r a t in g p r e s s u r e s o rdifferent air consumption of individuald r i ve e l em e nt sFor clear configuration of control unitsa n d d r iv e e le me nt sF o r p n e u m at i c a n d e l e c tr o p n eu m a t i cc o n t ro l sy s t e m s i n a ll p a rt s o f i n d u s t r y
T h e f u nc t io n o f t h e f i ll i n g u n it i s t oe ns ur e t he s af e s ta rt -u p o f a p ne u-m a t i c i n s t a ll a t i on .
U p t o a n a d ju st ab le t im e t he i ns t al la -t i on i s f i ll e d w i th r e s tr i ct e d a i r f lo w:C y li n de r s s l ow l y mo v e t o t h ei r i n it i alp o si t io n . Th e i n le t i s n o t op e ne d f u ll y u nt il t h e p re ss ur e h as r is en t o a p pr ox .h a lf th e m a in s p r es s ur e; t h en t hes y st e m i s f i ll e d f u ll y a n d t h e f u ll s y s te mp re ss ur e b ui ld s u p.
T hi s e ns ur es t ha t t he re i s n o a b ru ptp r e s s ur e b u i l d - up u p o n r e s t ar t a ft e r am a i ns p r es s ur e f a il u re o r a n E M E R -
G E N C Y S TO P s h u t- d ow n ,t h e r eb y p r e v e n t i n g h a z a r do u s j e r k y c y l i n de r m o v e m en t s w h e n t h e m a i n sp re ss ur e i s s wi tc he d b ac k o n.
T h e f i l l i ng u n i t c a n b e p n e u m a ti c a l l y o relectrically operated.
ON
Z ON
A A
R R
P P
A
P
B
R S
A B
R S
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1. Energy conversion
Design ation Exp lana tion S ymbol
Compressor
Vacuum pump
P n e u ma t i c m o t o r w i t huni-directional flow
P n e u ma t i c m o t o r w i t hbi-directional flow
O s c i ll a t i n g m o t o r o r P n e u ma t i c m o t o rrotar y actuator with limited a ngle
of rotation
Single-a cting Pressure mediu mcyli nder only moves p iston
i n o n e d i r e c ti o nReturn through:a ) e x t e rn a l f o r c eb ) r e tu r n s pr i n g
Doub le-actin g Pressu re m ed iumcyli nder with single mov es piston in
piston rod b oth d irections
Doub le-actin g Moved ma sscyli nder with decelerated nearadju sta ble end of strokes t r o ke c u s h i on i n gat both ends
Double-acting Proximity switchingcylinder with through annularadju sta ble stroke ma gnet in pistoncushioning at both
ends, for proximity switching
Double-acting cylinderwith double-endedp i st o n ro d a n da d j u s ta b l e s t r o kecushioning at bothends
Generalsymbols( t o D I N I S O 1 2 1 9 )
a)
b)
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4 2
15 3
4 2
15 3
14 12
14 12
3/2 4/2
5/2 5/3
2. Energy controlDirectional control valvesi n fl u en c et h e r o ut e o f t h e p r es s ur em e d i u m t o t h e e n e r g y c o n v er t e r s(cylinders, motors).Non-return valvesinfluence thedirection of flow.P r e s su r e c o n t ro l v a l v e si n f l u en c et h e p r e s s ur e .F l o w c o n t ro l v a l v e si n fl u en c et h e f l ow r a t e.
2 .1 D i r e ct i o n a l c o n t r o l v a l v e sD i r e ct i o n a l c o n t ro l va l v e s a r e d e v i c esu se d t o c on tr ol t he f lo w o f a p r es su rem e d i u m ( s t ar t , s t op , c h a n ge i ndirection).
D i r e ct i o n a l c o nt r o l v a l v es a r er ep re se nt ed b y r e c ta n gl es m ad e u p o fs q u a r e s. T h e n u m b e r o f s q ua r e si n d ic a te s t h e n u mb e r o f s w it ch i n gpositions.
T he l in es a nd a rr ow s i nd ic at e t hec o n n ec t i o ns b e t w ee n p o r t s . S h o r tl i ne s e n de d b y a p e rp e nd i c ul a r d a s hi n d i c a te b l o ck e d c o n n e ct i o n s.
D i r e ct i o n a l c o nt r o l v a l v es a r ed e s i g na t e d b y t h e n u m b e r o f p o r t sa n d s w it ch e d p o si t io n s.T h e f i rs t d ig i t de n ot e s t h e n u mb e r ofp o rt s , t h e s e co n d o n e t h a t o f t h es w i t ch e d p o s i t io n s .
3 /2 4/ 2 5 /3 5 /3S a y : t h r e e -t w o d i r e c ti o n a l c o n t ro l
valve, for instance
T h e s w it ch i ng s ym b ol s a r e s t a nd a rd -i ze d t o D I N I S O 1219 ; t he m ou nt in gh ol e p a tt er ns o f th e s ub pl a te s f or5 / 2 d i r e ct i o n a l c o n t ro l v a l v e s a r ed e s c r ib e d i n I S O 5 5 9 9 /1.Po r ts a r e d e si g na t ed b y f i gu r es ;t h e d e si g na t io n b y l e tt e rs i s o u td a te d .F o r t h e s a k e o f c o m p re h e n s iv e n e s s
we list both types here:2 , 4 , ( A , B, ) o u t p u t p o r t s
( e. g . t o c y li n d er )1 ( P ) p ressure p ort3 , 5 ( R, S ) e xh au st po rt10, 12, 14 control port(Z, Y, X, )
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return through
p n e um a t i c s p r i ng
spring return
2
12
1012
31
2
12 10
312
31
5 3 5 3
outlet without fitting
( n o n- d u c te d e x h a us t a i r )
outlet without fitting
( d u c te d e x h au s t a ir )
Normal position
We say that a valve is in itsneutralp o si t i on w h en it ha s n o t b e ena ct ua te d a nd i ts m ov in g pa rt s h a vet a ke n u p a p a r ti c ul a r po s it i on , d u e f o ri n st a nc e t o t h e e f fe c t o f a m e ch a n ic a lo r a p n eu m at ic s pr in g.
Valves without a neutral position don o t s w i t ch o v e r w h e n t h e a c t u a ti n gf or ce i s r em ov ed ( n o a u to ma ti cr e ve r si n g ). Th e y d o h a v e a s p ec i fi cinitial position.
Th e i ni ti al p o si ti on i s t he s wi tch edp o s i ti o n a d o p t ed b y th e m o v i n g p a r t so f th e v a l ve , f o r i n st a nc e t h ro u ghs p ri n g a ct i on , w h en t h e v a lv e h a sb e e n b u i l t i n t o a n i n st a l l a ti o n a nd t h em a i n s p r e s s u re , a n d p o s s i bl y t h ee l ec t ri c p o we r, h a s b e en s w i t ch e d o n .T h is i s t h e p o si t io n wi t h w h ic h th ep r e d e te r m i n ed s w i t ch i n g p r o g r ambegins.
Outlet connections
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Designation Expla nation Sym bol
2/2 d irectional with closedcon trol v alve initial position
with openinitial position
3/2 directional with in itia l position
con trol v alve 1 closed2 3 o pe n
with initial position1 2 o pe n3 c lo se d
4/2 d irectional with a commoncon trol v alve exh aust port
for 4 a nd 2
5 / 2 d i r e c ti o n a l w i t h s e p a r a t econ trol v alves exhau st ports
5 and 3from 4 to 5from 2 to 3
5/3 directional in neutra l positioncon trol v alves a ll p orts closed
in neutral position4 e xh au st ed v ia 5 /2 ex ha us ted v ia 31 c lo se d
in neutral position4 2 1 o p en5 and 3 closed
4 2
5 31
4 2
5 31
4 2
5 31
4 2
4
2
2
1 3
1 3
2
1
2
1
2
1
3
5 31
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Actuation Designation S ymbol
M anual generalactuation
button, push-button
lever
pedal
t w o- h an d s a f et y actuation
Mecha nical plu ngeractuation
roller
roller withi d l e r e tu r n
spring
(detent)
Pneumatic b y a pplication of
actuation pressure
b y p r e s s ur e r e l i e f
p r e s s u re a c t u a ti o nwith differentialpiston
b y p n e u m a ti c s p r i n g
by applicationo f p r es s ur e t opilot valve
b y p r e s s ur e r e l i e fof pilot valve
Electrical by solenoidactuation, direct
Electric b y solen oid an dactuation , ind irect ap plication of pressure
t o m a i n co n t r ol v a l ve
b y s o le n oi d a n dp r e s s u re r e l i ef o f m a incontrol valve
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Designation Expla nation Sym bol
Non-return v alve Fl ow in only o n e d i r ec t io n
S huttle v alve Non-return v alve with( O R ) 2 inlets and
1 o ut le t( p r e s s ur e a p p l i e dt o i n l et s a l te r na t el y )
Q ui ck- ex ha us t v al ve N on -r etu rn v al vewhere line A, whichl ea d s t o t he c on su mi n gd e v i c e, i s e x h a u st e dd ir ec tl y t o t he o ut si d e v iaR w h e n th e i n l e t po r t i s
vented
Twin-pressure v alve A signa l is p res ent at( AN D ) outlet A when pressure
i s a p pl ie d t o b ot h i nl et s
P / E converter Dev ice in corporating( pressure switch ) electrical contacts which
a r e o p en e d o r c l os e dthrough application ofpressure
Pressure regulator Va lve which maintai ns( p r e s s u re r e d u c in g t h e s e c o nd a r y p r e s s ur e
valve) at a constant levelindependent of thesupply pressure
Throttle v alve with fixed restriction
Flow control va lve with ad justablerestriction
One-wa y flow Valv e w h ich allowscon trol v alve unrestricted flow in one
d i re c ti o n a n d r e st r ic t s t h ef l ow i n t h e o t he r d i re c ti o n
2 . 2 N o n - r et u r n v a l v e s
Valves which block the flow in oned i re c ti o n an d a l lo w i t i n th e o p p os i tedirection.
T h e p r es s ur e a t th e d o wn s tr e am s id ee xe rt s a f or ce o n t he c lo si ng e l em en ta n d t h er e by a s si s ts t h e c l os i ng o f th e
valve.
2 . 3 P r es s ur e c o nt r o l v a lv e s
Valves the main function of which isp r es s ur e c o nt r ol . Wi t h tw o e n d p o si -t i o n s a n d a n y n u m b e r o f i n t e rm e d i a tep o s i t io n s . R e p r es e n t ed b y a s i n g l ef i el d ( z e ro p o si t io n ) .
2 . 4 F l ow c o nt r o l v a l ve s
Valves the main function of which is toc o nt r ol t he f l ow r a te .
1 2
1 1
2
1 1
2
1 2
1 2
1 2
1 3
2
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Design ation E xp lana tion S ymbol
Source of energy C onnection to sourceof energy
Working line Working energy
C ontrol line C ontrol energy
Electrical line
F l ex i bl e l i n e
L i n e c o n n e ct i o n
L i n e c r o s s -o v e r
Exhaust point
Pressu re connection with p lug
Pr es su re c on ne ct io n w it h c on nec ted l in e
Qui ck-relea se m = male couplin g pa rt,coupli ng withou tmechanicallyo p e n e d n o n - r et u r n
valvef = f e m a l e c o u p l in g p a r t,
Reser voir with mecha nically o p e n e d n o n - r et u r n
valve
Filter
Lubricator
Air-service unit Filter, pressureregulator, lubricator
P r es s u re g a ug e
S ilencer
T i me d e la y v a l v e
( c om b i ne d u n i t)pneumaticallyoperated
3. Transfer of energy
f m
12
2
10
1 3
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L og i c s y mb o ls
Pneumatica n d e l ec t r ic a lcircuit diagrams
* E = in p u t / i n le tA = output/outlet
Log ic Graphical * Cct. diagram Cct. diagr am Truth table*function logic s ymbol pneumatic electrical ( func tion table)
AND
ANDnot( N A N D )
OR
ORnot( N O R )
Equi-valence(exclu-siveN O R )
Non-equi-
valence(exclu-s iv e O R )
Inhibit
Implica-tion(nega-tion ofinhibit)
Nega-tion
Identity
Flipflop
E 1 E2 A
0 0 1
0 1 1
1 0 1
1 1 0
E 1 E2 A
0 0 0
0 1 1
1 0 1
1 1 1
E 1 E2 A
0 0 1
0 1 0
1 0 0
1 1 0
E 1 E2 A
0 0 1
0 1 0
1 0 0
1 1 1
E 1 E2 A
0 0 0
0 1 1
1 0 1
1 1 0
E 1 E2 A
0 0 0
0 1 0
1 0 1
1 1 0
E 1 E2 A
0 0 1
0 1 1
1 0 0
1 1 1
E1 A
0 1
1 0
E1 A
0 0
1 1
E 1 E2 A
0 0 0
0 1 0
1 0 01 1 1
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Design ation S ymbols
Fuse
Resistor
Inductor
Capacitor
Design ation S ymbols
Contactor, relay general
w i t h 2 c h a n ge o v e r c on t a c ts
Time delay rela y O N d ela y
OFF delay
Valve, solenoid operated changeovervalve
impulsevalve
S ym bo ls f orelectrical devices( DI N 4 0 90 0)
1. Electrical switches
Design ation S ymbols
normally open norma lly closed
Contacts
M omentary-contact switches,manually operated, general
M omentary-contact switches,m a n u a l ly o p e r a te d b y p u s h i n g
L a tc h i n g- t y p e s w i t ch e s ,m a n u a l ly o p e r a te d b y t u r n i ng
M omentary-contact switchesm e ch a n i c a ll y o p e r a t e d w i t h r o l l e r
Cylinder switches,not actuated
actuated
2 . C on t a c t o r s r e la y s :
3. Resistors:
4. S emi-conductors:
Design ation S ymbols
Resistor, non-linear
Diode
Zener diode
Transistor
Thyristor
Triac
pnp npn
U
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Functionaldiagrams( VD I 3 26 0)
1. GeneralTo r e p r e se n t t h e f u n c t io n a l s e q u en c e so f m a ch i ne s a n d i n st a l la t io n s r e qu i r esu n i v e r s al l y u n d e r st a n d a b l e a n d c l e a rd i a gr a ms . T h es e s h ou l d i l lu s tr a te t h ei n t e r pl a y b e t w e en t h e i n d i v i d ua l
working units and elements of them a c h in e o r m a n u f a c t u r i ng i n s t a ll a t i o n .T h e f u nc t io n al d i a g r am s e r v es t h ispurpose.
T h e f u nc t io n al d i a gr a m i s r e qu i re d f o rt h e d e s i g n o f t he c o n t ro l s y st e m . I t i si n d e p en d e n t o f t h e c o n t ro l m e t h o da n d t h er e fo r e s u it e d e q ua l l y w e ll
P os i t i o n -s e q u e nc e d i a g r a mI n t h e p o s i t io n - s eq u e n c e d i a g r a m t h em o ti o ns o f a w o rk i ng e l e me n t a r er e p r e se n t e d b y sy m b o l s. Th i s m e t h odi s o n ly s ui t a bl e t o r e pr e se n t s i mp l ea c ti o ns , s u ch as t h e s e q ue n ce o fm o ti o ns o f a c y li n d er in ra p i d a n d
working mode.
F u n ct i o n st a t e d i a g r a mI n t h e f u n c ti o n - s ta t e d i a g r a m , t h ef u n c t io n a l s e q u e nc e o f on e o r s ev e r a l
working units and the interplay bet-ween the respective control elementsa r e r e pr e se n te d i n t w o c o -o r di n at e s.O n e c o -o r di n a te r e pr e se n ts t h e s t at e,e.g. distance, pressure, angle, speed,
while the individual steps and /or timesa r e e n te r ed i n t h e o t he r c o- o rd i na t e.T h e r e pr e se n ta t io n i s n o t to a n y s ca l e.I n t h e f u n c ti o n s t a t e d i a g r a m, th eo p er a ti o na l se q u en c e i s d i v id e d i n to
i n d i v i d ua l s t e p s . E a ch c h a n g e i n s t a t eo f an e le m en t is m a r ke d o n th e a u x il i -a r y li ne o f t he s te p g ri d . T he t im e s ca lei s e n t e re d s u b s e q ue n t l y i n p a r a l l el
with the step segmentation and ist h e r ef o r e n o n c on t i n u ou s . T h e i d e n t i-f ic at io n o f th e s ta te i s m a rk ed o n t heh o r i z on t a l g r i d l i n e s . I n t he e x a m p le ,s ta te 1 f or c yl i nd er Z 1 m ea ns t ha t th ep i st on r od i s r et ra ct ed , a nd s ta te 2t h a t i t h as a d v a n c ed .
t o p n e u m a ti c , h y d r a u l i c, m e c ha n i c a l ,e l ec t ri c al , e l e ct r on i c a n d h y b ri d c o n-trol systems. Furthermore, the func-t i o n a l d i a g r a m i s a n i mp o r t a n t a i d f o rf a u l t f i n di n g i n t h e e v e n t o f m a lf u n c -tions.
T h e b a s ic s o f th e r e pr e se n ta t io n an dt he s ym bol s s ho ul d b e th e s am e i ne v er y c a se i n o r de r t o a l lo w d i a gr a m sf ro m d if fe re nt s o ur ce s t o b e r ea d a ndu n d er s to o d r e ad i l y a n d t o p r ec l ud eany misunderstandings.
T y p e s o f f u n ct i o n a l d i a gr a m sT he se a re t he p os it io n- s eq u en ce d i a-g r am a nd t h e p o si t io n -t i me d i a gr a m.
Z1 Z1
Z1
time 0 0, 3 0,7 0, 8
step
Z1
1 2 3 4
state
2
1
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E l em e nt s o f t h e c o nt r o l s e qu e nc e( i n t h e o r d e r i n w hi c h t he y a p p e a r
within the operational sequence)E a ch c on t ro l sy s te m is m a d e u p o f a tl e a s t o n e c o n t ro l s e q u e nc e w h i chitself incorporates several elements.
S ignalling elementS i g n a ll i n g e l e m en t s s u p p l y s i g n a ls i nr e s p on s e t o p h y s i ca l q u a n t i ti e sa s s u m in g c e r t a i n v a l u e s. T h e s i g n a l -l i n g e l e m en t s c a n b e c o n t ro l o r i n d i -c a t i ng d e v i c es .
E x a m p le s : P u s h - b ut t o n , l i m i t s w i t c h ,P / E c o n v e r t er ( p r e s s u r e s w i t ch ) .
Function lineT he f un ct io n l i ne d en ot es t he s ta teo f a u n i t o r e le m e n t du r i n g t h ec o u r s e o f t h e o p e r a ti o n a l s e q u e nc eo f t h e i n s t a ll a t i o n .
S ignal lineI f t h e i n t e rp l a y b e t w e en d i f f e r e ntu ni ts o r e le me nt s i s t o b e d ep ic te dt h ei r f un c ti o n l in e s s h ou l d b e l i nk edb y s ig n a l l i n e s. Th e a r r o w i n d i c at e st h e d i r e c ti o n i n wh i c h t h e s i g n a lflows.
t h i n l i n e w i t h ar r o w i n s i g n al f l o w d i r e c ti o n
signalbranching
symbol forOR-function
thin line= neutral state
t h ic k l i ne
= s t at e o t h e r t h a nneutral state
symbol forAND-fun ction
symbol forNOT-function
g o in g t o a d i ff e re n tmachine
coming from adifferent machine
S i gn a ll i ng e l em e nt s , m a nu a l ly o p e r at e d R e pr e se n t at i o n i n t h efunction diagram
T h e s i g n a l li n g e l e m en t i s r e p r e -s en te d b y i ts s ym bo l a n d a s ig n all i ne e m er g in g f r o m t h is s y mb o l.
An arrow indicating the signalf lo w i s d r aw n o nt o t he s ig na l li nec lo se t o t he p os it io n w he re ach an ge i n s ta te i s t o t ak e p la ce.
S i g n a ll i n g e l e m en t s , m e c h a n i c a l ly o p e r a t ed
S i g n a ll i n g e l e m en t s , p n e u m a t i c a l l y /
hydraulically operated
P/E converter( p r e s s u re s w i t ch )
ON
E1 5
2 43A
ON - OFF
Automatic
ON
OFF
Inching
Emer gency
stop
S elector
sw itch
Limit
sw itch
I n e n d p os i ti o n
or actuated
momentar ily
Actuated over
a c er ta in
distance
p
p
5 bar
5 bar
S 5
S 5
S 4S 3
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I d e nt i f ic a t io n l e t t e rs a n d o t h erinformation
Control element, actuatorC o n tr o l e le m en t s d e te r mi n e t h e s i gn a lf l o w b e t w ee n t h e s i g n a l li n g e l e m en ta n d t h e a c tu a to r ac c or d i ng t o p r ed e -t e r m in e d c o n d i ti o n s .
E x a m p l es : C o n t a c t or r e l a y s , t i m e -delay relays, directional control valves.
Actuators control the flow of energyt o t he d r iv e u ni t. Th ey a lt er t he s ta te o ft he d ri v e u ni t.
E x a m p l es : C o n t a c t or s , d i r e c t i o n a l
control valves, couplings
D r iv e e l em e ntD ri ve e le me nt s a lt er t h e s ta te o f a noperating element, for instance.
E x a m p l es : M o t o r s, c y l i n d e r s
O p er a t in g u n itAn operating unit is made up of one or
s e v e r al o p e r a t i n g e l e m e nt s , t h e a s s o -c ia te d d ri v e e le me nt s a nd t he r es pe c-t i v e s i g n a l li n g , c o n t ro l a n d a c t u a to relements.
E x a m p l es : D r i l l i n g u n i t, i n d e x i n g t a b l e .
I denti fication letters Other information
Timer K
C on ta ctor, rela y K
M otor M
Cy linder switch B
Limit switch S
S olenoid v alv e Y
M ag ne ti c c ou pl in g Y
S olenoid Y
Cy linder Z
timer
s ta te a s
condition
l i mi t p r o v id e d b y a d j u s t ab l e m e c h an i c a ld ea d s to p
indicator light
flashing indicator light
Representation in functional diagram
C on trol elements a nd actua tors a re with 2 switching sta tesr e p r e se n t e d b y f u n c t i on l i n e s . A c ha ng e o f st at e i s i nd ic at ed o n th es t ep l i ne i n a v e rt i ca l d ir e ct i on . Th ep o s i t io n o f t h e f u n c ti o n li n e d e n o t est h e s w it ch i ng s ta t e o f th e c o nt r olelement or actuator.
The signa l inp ut (ma rked by an arrow with 3 switching st ateso n t h e s i gn a l l i ne ) i s d r aw n at th ep o si t io n wh e re t h e c ha n ge o f st a tei s i n it i at e d. A t t h e p o si t io n w he r e t h en ew s ta te h as b ee n a ch ie ve d af u r t h er o u t g o i n g s i g n al l i n e i n d i c at e s
t h e i n t e rp l a y w i t h t h e c o n t ro l l e delement.
D r iv e e l em e nt s a r e r e pr e se n te d b y s t at ef u n c t io n l i n e s . A s l o p i n g f u n ct i o nl i n e i n d i c a te s m o t i on . H o r i z on t a lf u n c t io n l i n e s i n d i c a te s t a n d s ti l l .
D i f f er e n t s l o pi n g a n g l e s o f t h ef u n c t io n l i n e i n d i c a te d i f f e re n t
velocities.e . g . r a pi d m o ti o n
a n d w o r k i ng m o t i onT h e s i gn a l li n g e l em e nt s a r e d r a wni n w h er e t h ey a r e b e in g a c tu a te da n d i n i ti a te f u rt h er c h an g es i n s t at e.
T h e s t ar t -u p o f m o to r s i s r e pr e se n te db y a v e r t ic a l f u n c ti o n l i n e.
O p er a ti n g u n i ts a r e d r iv e n b y d r iv eelements. Their function sequencesa r e t h e r e fo r e u s u a l l y i d e n t ic a l . T h e y n e ed n o t b e r e pr e se n te d s e pa r a te l y
i n t h e f u n c t io n a l d i ag r a m .
t 1s
14 a
12 b
14 a
0
12 b
2
1Z1
Z1
Z1
M1
2
1
2
1
2
1
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X0
Elements
Designation Comments
Emergency stop:
All drive elements
g o i nt o t he r es et st at e.
Exeption:
Fr om st ep 3 t o 6
Z 2 r em ai ns
in position 2.
S t a r t- u p a f t e r
Emergency stop:
Restarting in automatic
m o de i s o n ly p o ss i bl e
o n ce t h e r e se t s t at e
h a s b e e n r e e st a b l is h e d
i n s i ng l e s t ep m o de .
Manufacturing /
t yp e d et ai ls f or
Step
l im it s wi tc he s S 1 t o S 6
T im e w s
Emergency stop
M ain pneumatic valve
Sector switch Automatic
Limit sw itches w hich must be actuated Automatic
Ver tical str oke
Clamping
Horizontal stroke
2
4
5
1
3
6
78
9
1 0
1 1
1 2
1 3
1 5
1 6
1 7
1 9
2 0
2 12 2
2 3
2 4
1 4
1 8
1 2
1 0
O N
O N
down 2
up 1
1 4
1 2
open 1
1 4
1 2
backw ar ds1
1 4
1 2
c l os e 2
for w ar ds2
5 0
0
0
0
6
2 0 0
mm
mm
mm
0 .2
Z1
1 .1
2 .1
3 .1
Z2
Z3
Identifikation
State
Unit
0
0,2
0,3
0,5
0,8
1,0
1,1
1,3
1,6
Value
1X1 X2 X3 2 3 4 5 6 7 8 9
E A
S...
S2 S2
S1
S4
S1
S3
S6
S5 S5
P r e p ar i n g a f u n c t i on a l d i a g r a mT he re a r e f or ms a v ai la b le t o a ss is t w it ht h e p r e p a r at i o n o f f u n c t i o n a l d i a g r am s .T h ey f e at u re c o lu m ns f o r th e c r uc i alinformation regarding designation,i d e n ti f i c a ti o n a n d s t a t e o f e l e m en t sand their motions. Furthermore, they a l lo w m o re d e ta i l ed i n fo r ma t io n a b ou tt h e c o nt r ol s y st e m t o b e r e co r de d ,s u c h a s t h e i n d i v i du a l s wi t c hi n g f un c -t i o n , s t a r t c o n d it i o n s a n d d i s t r ib u t i o nof elements.C o n s e cu t i v e n u m b e r in g i n t h e m a r g i nh e lp s t o l o ca t e i n d iv i du a l s ec t io n s.T he c ol um ns f or t h e e le me nt s c om -prise designation, identification, state,u n it a n d v a l ue . In t h e g r id , t h e f u nc t io nl i ne s a r e r e pr e se n te d i n t h ei r i n t er d e-p e n d e nc e . I t o f f e rs g r a d u a ti o n b y t i m ea n d s t ep s .T h e o p er a ti o n o f th e m a ch i n e o r i n st a l-l a t i on d o es n o t s t a r t u n t i l a n u m b e r o fp r e d e te r m i n ed s t a r t in g c o n d it i o n sh a ve b e en f u lf i ll e d. T h es e a r e u s u al l y a c h ie v e d t h r o ug h st a r t - up o p e r a ti o n s.E a c h s w i t ch a c t u a t i o n i s c o n s i de r e da s o ne s wi tc hi ng s te p. T he r es u lt in gs ta te s o f t he e le me nt s a nd w or ki n gu ni ts a re d r aw n in a s a f un ct io n li nea nd t he s wi tc hi ng s te ps a re i d en ti fi eda s f o ll o ws :
S ta te X 0Installation at rest( i n s t a ll a t i o n a t ze r o p o w e r )State X1 to XnS t ep - b y- s te p i n p ut o f s i gn a l s t o r e ac ht h e i n i ti a l ( o r r es e t ) s t at e.Example:
X1 M ain pneumaticvalve ON
X2 S elector switch AutomaticX3 Limit switches which
n ee d t o b e a ct ua te dAfter the start-up operations for the
p o w e r s u p p l y t h e e l e m en t s a s s u m ep r e d e te r m i n ed s t a t es w h i c h a r er e fe r re d t o a s t h e i n it i al or r es e t s t at e.
After the start-up operations X1 to Xn,t he e le me nt s a ss um e t he i ni ti al s ta tea n d t h e o p er a ti o na l se q ue n ce c a n b ei n i t i at e d b y i n pu t o f t h e s t a r t i ng s i gn a l .Step 1 = time 0
Automatic ONI n p u t o f s t a rt i n g s i g na l a n d s t a r t o foperational sequence.
A description can be added in thec o m m en t s c o l u mn . T h i s c a n c o n t a inf u nc t io n s w h ic h a re n o t ob v i ou s f r omt h e f u n c t io n a l d i a g ra m , s u c h a st w o - ha n d s t a r ti n g , s e l e c t o r s w i t chf u n c ti o n s , e m e r g en c y s t o p f u n c ti o netc.