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