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8/18/2019 WG I Monitor Backspin Relay and Probe Manual Rev 7 0
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I-MonitorBACKSPIN SPIN AND
PROBE
Revision 01‐07‐10.7.0
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I-Monitor BACKSPIN SPIN AND PROBE
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Table of Contents
C H A P T E R 1
Specifications 4
C H A P T E R 2
Safety Overview 6
C H A P T E R 3
Introduction 7
C H A P T E R 4
Installation and Wiring 8
C H A P T E R 5
Backspin Detection
Setup 10
C H A P T E R 6
Stand Alone Backspin
Setup 11
A P P E N D I X
Appendix A 13
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Specification
Relay Unit
Size: (w x h x d) 5.125" x 5.25"(4.25") x 2.00" (Height excluding base plate)
Weight – 1.6 pounds
NEMA – NEMA 1 rated
Power – Derives power through the communication link, or externally powered by120VAC for stand-alone operation.
Auxiliary output contacts, NO and NC
HV Probe input connection for interface to HV Probe.
Communications – Two connectors for using RS/485 protocols (RJ45 type connectors).This is connected to any of the RJ45 type connectors on the unit system modules.
RX and TX LEDs for indicating transmit and receive on the communication link.
Blue LED for spin indication.
High Voltage Probe Unit
Size: (w x h x d) 8.75"(7.75") x 4.625" x 2.375" (Width excluding base plate)
Chapter
1
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Weight – 3.7 pounds
NEMA 1 rated
Low Voltage Connection – One Phoenix connector for interface to the Backspin Relay.
High Voltage connection - Three high voltage wires for connection to the motor T-leads,up to 5kVAC.
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OverviewSafety Warnings
Read and follow all Warnings, Precautions, Notes, and Instructions included in thisdocument.
A Warning identifies an immediate hazard that exists that poses some probabilityof causing death or serious injury.
A Caution identifies potential conditions and actions that have the possibility of
death or severe injury. A Note identifies the need for general safety practices which, if violated, could
cause injury to personnel or damage to equipment.
High voltages are exposed during operation. Do not touch exposedsurfaces during test.
Caution Verify wiring connections prior to applying power to the system. Damageto the equipment could result from incorrect connections.
Note Inspect system ground and bonds prior to power application. Shockhazard could exist if proper ground is not maintained.
Motor Control Unit
The High Voltage Probe unit is connected directly to the high voltageoutput of the main contactor, which can be up to 5000 Volts. These HighVoltages may be present during operation and set-up, and should beconsidered hazardous.
Chapter
2
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Introduction
The Backspin Relay and HV Probe is an optional part of the Motor Controller system. The
backspin equipment is generally used in electric submersible pump applications in the oilfield or
water well applications where detection of the backward spin of the pump is desired. When the
motor is shutdown or turned off, the existing fluid in the production tubing causes the
pump/motor to turn backwards as the fluid is falling back into the well. If the motor is started
while this backspin is happening, this could cause damage to the equipment. The BackspinRelay can detect this backspin and prevent the manual or automatic starting of the pump until
the back spinning has stopped.
RX
T X
C P h a s e S en s i n g
Gr o un d
B P h a s e S en s i n g
Gr o un d
A P h a s e S en s i n g
Gr o un d
1 2 0 V A C L i n e
Gr o un d
1 2 0 V A C N e u t r al
R el a y N / O
R el a y C omm on
R el a y N / C
Chapter
3
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Installation and Wiring
The HV Probe unit is connected directly to the high voltage output of the
main con tactor , which can be up to 5000 Volts. These High Voltages may
be present during operation and set-up, and should be considered
hazardous.
High Voltage Probe
The High voltage probe has two sets of connections. The high voltage connection consists
of three high voltage wires that are connected directly to the output of the 3-phase voltage of
the contactor or motor leads. This HV connection is rated up to 5000 volts AC. A small cable
fitted with a connector is used to connect the probe to the backspin relay unit. Mounting
holes on the probe allow the probe to be mounted to the inside of the switchboard panel.
Backspin Relay
The backspin relay is connected to the Motor Controller system via the provided patch cord
with the RJ-45 type connectors. All parts of the controller units are tied together in a daisy
chain fashion using these patch cords. Each module on the controller units are equipped
with two receptacles for the RJ-45 connectors to allow this to be done easily. This provides
communication to the controller in order for the controller to prevent starting when backspin
is in motion.
A connector on the backspin relay marked “Backspin Probe Connection Only” is where the
matching connector is plugged in from the HV probe.
A third connector on the backspin relay is used for external connection and/or stand-alone
operation of the backspin detection. For stand alone operation, the 120VAC power, neutral,
and ground pins must be connected to an external power source. External devices for
detection of the backspin can use the relay common, relay NC, and relay NO pins. When
the motor is turning, the contacts will switch. This is not a standard configuration.
There is one each of RX and TX LEDs for indicating transmit and receive status on the
communication link. One blue LED lights to indicate motor spin, which will blink at the
frequency of the motor spin whether it is running or in backspin.
Chapter
4
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RX
RX
T X
T X
C OMM 1 A
C OMM 1 B
C OMM 2
(1)120 VAC INPUT
(2)VAC NEUTRAL
(3)CT-A
(4) CT -COMMON
(5)CT-B
(6) RELAY COMMON
(7) CT -C
(8) DI-2
(9) RED LIGHT
( 10 ) AM B ER L IG HT A N AL O G IN PU T #2 ( 20 )
ANALOG INPUT #1 (19)
MANUAL INPUT (18)
120 VAC (17)
AUTOINPUT (16)
SENSINGVOLTS (15)
DI–1 (14)
START INPUT(13)
120 VAC (12)
CONTACTOR (11)
Fuse 5
E S P
M O T O R
G
CT-A
Fuse 1 Fuse 3
ISOLATION
SWITCH
Fuse 2
L 1 L 3L 2
Main Power (1100 – 3300 Volts AC)
50 / 60 Hz Input
G
CT-BG
CT-C
P r i m a r y V o l t a g e P T
X1
X2
S e n s i n g V o l t a g e P T
X1
X2H1
Fuse 4
Fuse 6 Fuse 8
Fuse 7
1 2 0 V A C
F u s e1 : 3 R / 4 R
/ 6 R / 9 R
4 . 8 k V
F u s e2 : 3 R / 4 R
/ 6 R / 9 R
4 . 8 k V
F u s e 3 : 3 R / 4 R
/ 6 R / 9 R
4 . 8 k V
F u s e4 : 2 E 4 . 8 k V ( 3 9 5 5 1 )
F u s e 5 : 2 E 4 . 8 k V ( 3 9 5 5 1 )
F u s e 6 : 2 E 4 . 8 k V ( 3 9 5 5 1 )
F u s e7 : 6 A m p 5 0 0 V ol t s A C
F u s e 8 : 2 A m p 6 0 0 V ol t s A C
F u s
eL i s t
H1
1 2 0 V A C
Recording
Ammeter
MOTOR CONTACTOR
DRAWN BY: TREVOR HARDWAY
PROJECT:
SIZE: DATE: DWG NO:
N/A 15 – DECEMBER - 2009 TORNADO F-5 CONNECTION DIAG
WG BACK SPIN RELAY MANUAL DRAWINGS SCALE: N/A Typical Backspin Connection S
Wood Group - ESP
BA
P
* * * N OT E
P l u gi n an
R J 4 5 c a b l e
f r om t h eM o t or
C on t r ol l er i n t o t h e
Di s pl a y an d pl u gi n
an o t h er R J 4 5 c a b l e
f r om t h eM o t or
C on t r ol l er t o t h e
B a c k s pi nR el a y f or
p o
w er .
Figure1. Typical connection of the backspin option
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Backspin Detection SetupThe backspin detection is setup using the motor controller display parameters. Under the
Fault Activations Menu, the Backspin Enable parameter is set to yes if backspin detection is
desired.
Once the backspin has been detected, after a motor stop command or shutdown fault, the
Motor Controller Display will show direction CBA/ABC and RPM in HZ this is held in the
controller memory until updated approx every 2 sec, or until the backspin relay detects that
the motor has stopped turning and lockout is cleared. This means if communication betweenmotor controller and backspin relay is lost it will not reset the backspin speed or direction
and you will be unable to clear lockout without changing the backspin Fault Activation Menu
Enable to NO.
Chapter
5
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Stand Alone Backspin SetupThe backspin relay system can be used to prevent starting pumps while spinning, using the
120VAC input, the backspin relay output, and a motor controllers Digital or aux input and an
N/C contact on the contactor. The Backspin relay output changes state only while backspin
is present the N/O becomes closed and the N/C becomes open. Using the N/O and
common contacts and going thru the N/C contacts on the contactor into the digital/aux input
to the motor controller, this will allow the unit to start and run if the digital input/aux is set to
N/C to shut down. Once the contactor is pulled the backspin alarm becomes active but the
signal will not go thru the N/C contacts of the contactor until a shut down occurs, then the
backspin alarm will remain closed until the spin stops.
Chapter
6
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B a c k s pi nA l ar m A c t i v e
B a c k s pi nR el a y M o d ul e
B a c k s pi nP r o b e
C onn e c t i on Onl y
I - M oni t or
E S P
M O T O R
* * * N OT E
V S D p ul l s K -1 i nw
h en uni t i s
s t o p p e d c onn e c t i n gB
a c k s pi nR el a y
t o s t o p on c u s t om er i n
t er f a c e b o ar d .
Wh enB a c k s pi n s t o p s V S Dwi l l b e
al l ow e d t o s t ar t .T h i s
wi l l d r o pK -1
an d o p en s B a c k s pi n
R el a y o u t p u t
un t i l V S D s t o p s
a g ai n.
V S D
R UN
C OMMA ND
1 2 0
V A C
Figure1. Typical connection of the stand alone backspin option
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Product Warranty
Warranty coverage:
Woodgroup ESP, Inc. (“WG ESP”) warrants WG ESP manufactured products (“Product”) to be free of workmanship and
material defects for a period of eighteen (18) months from the date of shipment to Buyer or twelve (12) months from
the date of installation.
WG ESP,
at
its
option,
will
at
no
charge
either
repair,
replace,
or
refund
the
purchase
price
of
the
Product
during
the
warranty period, provided it is returned in accordance with the terms of this warranty to 5500 S.E. 59th St. Oklahoma City,
OK 73135, at WG ESP option, may include the replacement of parts or boards with functionally equivalent reconditioned or
new parts or boards. Replaced parts or boards are warranted for the balance of the original applicable warranty period. All
replaced parts, boards or Product shall become the property of WG ESP. Shipping costs are to be borne by the purchasing
party.
This express warranty is extended by WG ESP to the party purchasing the Product (“Buyer”) and is not assignable or
transferable to any other party. This is the complete warranty for the Products, except as modified by separate
agreement between WG ESP and Buyer.
WG ESP is not responsible under this warranty for ancillary equipment, whether or not manufactured by WG ESP, which
is
attached
to
or
used
in
connection
with
the
Product,
nor
for
operation
of
the
Product
with
any
such
with
any
such
ancillary equipment.
Because each Product system is unique, WG ESP disclaims liability for range, coverage, or operation of the system as a
whole under this warranty.
This warranty applies within the fifty (50) United States and the District of Columbia.
WHAT THIS WARRANTY DOES NOT COVER:
Defects or damage resulting from use of the Product in other than its normal and customary manner, (b) Defects or
damage from misuse, accident or neglect, (c) Defects or damage from improper testing, operation, maintenance,
installation, alteration, modification or adjustment, (d) Product disassembled or repaired in such a manner as to
adversely affect
performance
or
prevent
adequate
inspection
and
testing
to
verify
any
warranty
claim,
(e)
Product
which has had the serial number removed or made illegible.
Appendix
A
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GENERAL PROVISIONS:
This warranty sets forth the full extent of WG ESP’s responsibilities and liability regarding the Product, and
repair, replacement,
or
refund
of
the
purchase
price,
at
WG
ESP’s
option,
is
Buyer’s
exclusive
remedy.
THIS WARRANTY IS GIVEN IN LIEU OF ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, WHICH ARE
SPECIFICALLY EXCLUDED INCLUDING, WITHOUT LIMITATION, IMPLIED WARRANTIES OF MERCHANTABILITY
AND FITNESS FOR A PARTICULAR PURPOSE IN NO EVENT SHALL WG ESP BE LIABLE FOR DAMAGES IN EXCESS
OF THE PURCHASE PRICE OF THE PRODUCT, FOR ANY LOSS OF USE, LOSS OF TIME, INCONVENIENCE,
COMMERCIAL LOSS, LOST PROFITS OR SAVINGS OR OTHER INCIDENTAL, SPECIAL OR CONSEQUENTIAL
DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE SUCH PRODUCT.
PATENT AND SOFTWARE PROVISIONS:
WG ESP
will
defend
at
its
own
expense
any
suit
brought
against
Buyer
to
the
extent
that
it
is
based
on
a claim
that
the
Product or parts infringes a United States patent, and WG ESP will pay those costs and damages finally awarded against
Buyer in any such suit which are attributable to any such claim, but such defense and payments are conditioned on the
following: (i) that WG ESP will be notified promptly in writing by Buyer of any notice of such claim; and (ii) that WG ESP
will have sole control of the defense of such suit and all negotiations for its settlement or compromise; and (iii) should
the Product or parts become, or in WG ESP’s opinion be likely to become, the subject of a claim infringement of a
United States patent, that Buyer will permit WG ESP, at its option and expense, either to procure for Buyer the right to
continue using the Product or parts or to replace or modify the same so that it becomes non‐infringing or to grant Buyer
a credit for the Product or parts as depreciated and accept its return. The depreciation will be an equal amount per year
over the lifetime of the Product or parts as established by WG ESP.
WG ESP will have no liability with respect to any claim of patent infringement, which is based upon the combination of
the Product
or
parts
furnished
by
WG
ESP,
nor
will
WG
ESP
have
any
liability
for
the
use
of
ancillary
equipment
or
software not furnished by WG ESP, which is attached to or used in connection with the Product. The foregoing states
the entire liability of WG ESP with respect to infringement of patents by the Product or any parts thereof.
Laws in the United States and other countries preserve for WG ESP certain exclusive rights for copyrighted WG ESP
software such as the exclusive rights to reproduce in copies and distribute copies of such WG ESP software. WG ESP
software may be copied into, used in and redistributed with only the Products associated with such WG ESP software.
No other use, including without limitation disassembly, of such WG ESP software or exercise of exclusive rights in such
WG ESP software is permitted. No license is granted by implication, estoppel or otherwise under the patent rights of
WG ESP or any third party.
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