Gtu-d, Signal description gtu-d, Ba_rtn – GE Industrial Solutions EntelliGuard TU Trip Units User Manual
Page 102: Bell alarm fire, St_24 v, 24v from shunt trip, Uvr_conn, Rx_neg, Modbus – (old commnet), Gfzout
EntelliGuard TU Trip Units: UL/ANSI Models
DEH-4567B
Appendix E: GTU Pin Out Diagrams
92
©2012 General Electric All Rights Reserved
Pin # GTU-D
Signal Description
GTU-D
42
BA_RTN
Bell Alarm Fire -
43
ST_24 V
24V from Shunt Trip
44
UVR_CONN
UVR_CONN
45
RX_NEG
Modbus – (old
Commnet)
46
GFZOUT -
Zone Select Out -
47
GFZIN -
Zone Select In -
48
D_OUT_CONN
Draw Out Switch Input
49
CTN
Neutral CT
50
CTCOM
Neutral CT Return
Table E-3: GTU-ACB
Pin #
Global Air Circuit Breaker
(50-Pin Rear)
Global Air Circuit
Breaker (40-Pin Top)
1
Flux Shifter -
Breaker Closed and
Connected Indication*
2
PHASE D ROGOWSKI +
Breaker Disconnect
Indication*
3
PHASE C ROGOWSKI +
Spring Charge
Indication
4
PHASE B ROGOWSKI +
ST 2 Status
5
PHASE A ROGOWSKI -
Breaker Ready to Close
6
PHASE C ROGOWSKI -
Cassette In indication *
7
PHASE B ROGOWSKI -
Breaker Connected
Position*
8
PHASE A ROGOWSKI +
Test Position
Indication*
9
PHASE D ROGOWSKI -
UVR 2 Status
10
OUTPUT 1a
Remote Close Status
11
OUTPUT 1b
UVR 1 Status
12
OUTPUT 2a
Temperature 3
13
OUTPUT 2b
N/C
14
AUXILIARY POWER + (24V)
ST 1 Status
15
PHASE C CT+
Temperature 4
16
PHASE B CT+
Temperature 2
17
PHASE A CT+
Temperature 1
18
ENTELLYSIS FORCE TRIP
Remote Close Signal to
Command Close Coil
19
GND
GFZIN+
20
GND
GFZIN-
Pin #
Global Air Circuit Breaker
(50-Pin Rear)
Global Air Circuit
Breaker (40-Pin Top)
21
GND
TX_EN_1
22
GND
Modbus/Profibus RXD
23
GND
Modbus/Profibus TXD
24
GND
5V Isolated for
communication
25
GND
Isolated Ground for
Communication
26
GND
Ground – Status Return
27
GND
Ground – Status return
28
Fluxshifter + (24VDC)
5V_NORMAL
29
+ 24 V DC
GFZOUT-
30
N/C
GFZOUT+
31
PHASE C CT+
PHASE B VOLTAGE
32
PHASE B CT+
PHASE C VOLTAGE
33
PHASE A CT+
Ground – Status Return
Common
34
Breaker Position Switch +
PHASE A VOLTAGE
35
Breaker Position Switch -
N/C
36
Earth Leg CT +
Ground – Status Return
Common
37
Earth Leg CT -
N/C
38
N/C
INPUT 1
39
Keying Pin
INPUT 2
40
N/C
INPUT COMMON
41
N/C
NA
42
BIN - SDA_ISO (BIM
Connector Pin 1)
NA
43
BIN - SCL_ISO (BIM
Connector Pin 2)
NA
44
BIN 5V Isolate (BIM
Connector Pin 3)
NA
45
BIN ISOLATED Ground (BIM
Connector Pin 4)
NA
46
N/C
NA
47
CT_COMMON
NA
48
CT_COMMON
NA
49
CT_COMMON
NA
50
CT_COMMON
NA