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CHAPTER 2: INSTALLATION
Terminal
identification - Input/
Output "E"
1
POWER SUPPLY -
2
TRIP N/O
3
TRIP OPTV
4
CLOSE COM
5
START INHIBIT N/C
6
START INHIBIT N/O
7
AUX 4 COM
8
AUX 5 N/C
9
AUX 5 N/O
10
AUX 6 COM
11
CRIT FAIL N/C
12
CRIT FAIL N/O
A B
339 MOTOR PROTECTION SYSTEM – INSTRUCTION MANUAL
Figure 2-20: 339 Terminal identification with switching device as BREAKER - Drawout
POWER SUPPLY +
1
CHASSIS GND
2
TRIP COMM
3
CLOSE N/O
4
CLOSE OPTV
5
START INHIBIT COM
6
AUX 4 N/C
7
AUX 4 N/O
8
AUX 5 COM
9
AUX 6 N/C
10
AUX 6 N/O
11
CRIT FAIL COM
12
C
INPUT 1
INPUT 2
INPUT 3
INPUT 4
INPUT 5
PHASE A CT
INPUT 6
PHASE B CT
INPUT 7
PHASE C CT
INPUT 8
GND CT
INPUT 9
PHASE A VT
INPUT 10
PHASE B VT
INPUT COM
PHASE C VT
CHASSIS GND
CBCT
ELECTRICAL INSTALLATION
F
1
IRIG-B +
2
IRIG-B -
3
RS485 +
4
RS485 -
5
RS485 COM
6
CHASSIS GND
7
RMIO+
8
RMIO-
■
PHASE A CT
■
PHASE B CT
■
PHASE C CT
■
GND CT
■
PHASE A VT
■
PHASE B VT
■
PHASE C VT
■
CBCT
D E
2–17
5
6
7
8
9
10
11
12
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