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Table 1. 9-pin Connector Terminals
Pin #
9
COM 2 (b)
MEAN WELL S-25-12
POWER SUPPLY
WIRING KEY
LINE VOLTAGE
LOW VOLTAGE
DATA
Function
120
L1
VAC
L2
NEUTRAL (L2)
N
120VAC (L1)
L
EARTH
GROUND
12 DC OUT +
V+
DC OUT
V-
(COMMON GND)
V ADJ
1
DO NOT CONNECT THE S7999B TO TERMINALS 1 2 3. THIS WILL RENDER THE DISPLAY INOPERABLE.
2
DISPLAY CAN ALSO BE CONNECTED TO MB2; A, B, C.
Fig. 3. S7999B wiring diagram.
S7999B, S7999C SOLA LOCAL OPERATOR INTERFACE
S7999B
AS LOCAL DISPLAY
COM1
1
2
3
4
5
6
GND
(B)
(A)
+12
+12
N/C
N/C
(C)
A
B
C
MB1
5
COM2
7
8
9
(A)
(B)
BAS
2
1
A
B
C
1
2
3
MB2
ECOM
J3
SOLA CONTROL
M32004
65-0303—05
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