S7999B SYSTEM DISPLAY
15
65-0283—2
Fig. 13. System Modbus™ network wiring.
M24238
4
1
CONNECT ALL THREE “C” WIRES TO V- TERMINAL
ON POWER SUPPLY.
3
CONNECT SHIELD TO EARTH GROUND.
1
4
1
2 SEE 65-0249 FOR CONTROL BUS (LOCAL RS-485
COMMUNICATION BUS) WIRING.
4 PLEASE SEE FIGURE 11 FOR THE WIRING FOR
THE LOCAL SYSTEM(S) OF S7810M AND UDC CONTROLLERS.
120 VAC
L1
L2
120 VAC (L1)
N
L
NEUTRAL (L2)
EARTH
GROUND
V+
12 DC OUT+
DC OUT-
(COMMON/GND) V
V ADJ
MEAN WELL
S-25-12
POWER
SUPPLY
3
120 VAC
L1
L2
120 VAC (L1)
N
L
NEUTRAL (L2)
EARTH
GROUND
V+
12 DC OUT+
DC OUT-
(COMMON/GND) V
V ADJ
MEAN WELL
S-25-12
POWER
SUPPLY
3
120 VAC
L1
L2
120 VAC (L1)
N
L
NEUTRAL (L2)
EARTH
GROUND
V+
12 DC OUT+
DC OUT-
(COMMON/GND) V
V ADJ
MEAN WELL
S-25-12
POWER
SUPPLY
3
GND
(C)
S7999B
SYSTEM DISPLAY
COM1
COM2
+12
(b)
1
2
3
4
5
6
7
8
9
(a)
(a)
(b)
N/C
N/C
+12
GND
(C)
S7999B
SYSTEM DISPLAY
COM1
COM2
+12
(b)
1
2
3
4
5
6
7
8
9
(a)
(a)
(b)
N/C
N/C
+12
1
2
3
4
5
6
7
8
9
GND
(C)
+12
+12
(b)
(b)
(a)
(a)
N/C
N/C
S7999B
SYSTEM
DISPLAY
COM1
COM2
MODBUS BAUD RATE MUST BE SET FOR 19200.
5
5
1
SYSTEM S7999B
LOCAL S7999B
LOCAL S7999B
