Unipower PCM500 Series, Operating Manual

9

PCM500 SERIES

OPERATING MANUAL

13.2

Alarm and Other Input/Output Connections. See Figure 2.  These con-
nections are made to TB1 which is a 48-pin Euro-style terminal block. There
are seven alarm inputs (14 terminals), eight Form C relay contact alarm
outputs (24 terminals) and 10 terminal connections for other input/output
(I/O) connections. These connections are specified in the tables following.

Inputs on terminals 1-7 and 42-48 are from relay contacts on low voltage
disconnect panels and fuse/breaker panels. An “open” at these terminals
indicates an alarm.

ALARM OUTPUTS

TERM

FUNCTION

NO.

EQA (NC)

13

EQA (C)

14

EQA (NO)

15

OVA (NO)

16

OVA (C)

17

OVA (NC)

18

RFA-MIN (NO)

19

RFA-MIN (C)

20

RFA-MIN (NC)

21

LVDA (NO)

22

LVDA (C)

23

LVDA (NC)

24

TB1 TERMINAL CONNECTIONS

NOTE:

J1-J4 Connectors are for rectifier shelves
1-4 respectively. Numbers following functions
refer to rectifier modules 1-4 in each shelf.
NC=No connection.

14

25

13

1

J1-J4

J1-J4 SIGNAL CONNECTORS

PIN        FUNCTION

1

NC

2

NC

3

NC

4

NC

5

NC

6

NC

7

NC

8

NC

9

NC

10   Current Share
11   + Sense
12   Remote Adjust-2
13   Remote Adjust-4

PIN  FUNCTION

14   AC Good-1
15   DC Good-1
16   AC Good-2
17   DC Good-2
18   AC Good-3
19   DC Good-3
20   AC Good-4
21   DC Good-4
22   Signal Common
23   -Sense
24   Remote Adjust-1
25   Remote Adjust-3

OTHER I/O

TERM

 FUNCTION

NOS.

I+ (IN)

41

I- (IN)

8

TC (IN)

9 & 40

B+ (IN)

10

B- (IN)

11

CS (OUT)

12

BS+ (IN)

39

BS- (IN)

38

RA (OUT)

37

 FUNCTION

TERM

 NOS.

 LVDA1 IN 1 & 48
 LVDA2 IN 2 & 47

FA1 IN

3 & 46

FA2 IN

4 & 45

FA3 IN

5 & 44

FA4 IN

6 & 43

FA5 IN

7 & 42

ALARM INPUTS

TERM

FUNCTION

NO.

FA (NC)

25

FA (C)

26

FA (NO)

27

ACFA (NC)

28

ACFA (C)

29

ACFA (NO)

30

RFA-MAJ (NC)

31

RFA-MAJ (C)

32

RFA-MAJ (NO)

33

UVA (NC)

34

UVA (C)

35

UVA (NO)

36