External Signal Terminal Block; Figure 2.10(A) External Signal Terminal Block (Nec Class2) - Mitsubishi Electric 9900B Series Owner Technical Manual

MITSUBISHI
ELECTRIC

2.4 EXTERNAL SIGNAL TERMINAL BLOCK

The UPS is equipped with a series of input/output terminals for external annunciation of alarms
and for remote access of certain UPS functions. The layout of terminals are shown in Figures
2.10 with a functional description of the input/output ports. OUT1 to OUT8 are user
programmable, but are set to factory default, also shown in Figure 2.10.
Adding the same external I/F PCB "IOAU-09", doubling signal outputs is applicable for OUT1 to
OUT8.
TN2
2
4
6
8
10
12
14
16
18
20
UPS
▲ For other stored energy systems, refer to the attached supplement.
9900B SERIES UPS
OWNERS / TECHNICAL MANUAL

▲Figure 2.10(a) External Signal Terminal Block (NEC Class2)

1
3
5
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19
MITSUBISHI ELECTRIC 9900B SERIES UPS
SUMMARY ALARM
OUT1: LOAD ON BYPASS
OUT2: LOAD ON INVERTER
OUT3: BATTERY OPERATION
OUT4: CONVERTER OPERATION
OUT5: BATTERY LOW VOLTAGE
OUT6: OVERLOAD
OUT7: SPARE
OUT8: TOTAL ALARM
52C CLOSE
*1
*1 Relay contactor (52C close): Normal Closed
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