System Modbus Network Wiring - Honeywell S7999B Manual

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