Omron NT30C-ST141-E Operation Manual page 83

Connection of Expanded I/O
Connecting a B7A Unit with 8 Input Points and 8 Output Points
70
- When separate power supplies are provided (DIP switch SW1 pin 2 set-
ting: High speed)
B7A Interface Unit
Power Power
S-IN S-OUT
supply supply
"--" "+"
-- +
DC power
supply
(24 VDC)
- When using a common power supply (DIP switch SW1 pin 2 setting:
High speed)
B7A Interface Unit
Power Power
S-IN S-OUT
supply supply
"--" "+"
-- +
DC power
supply
(24 VDC)
- When separate power supplies are provided (DIP switch SW1 pin 2 set-
ting: Standard)
B7A Interface Unit
Power Power
S-IN S-OUT
supply supply
"--" "+"
-- + Transmission distance:
DC power
supply
(24 VDC)
Shield
S-OUT
--
GND
Transmission distance: Max. 100 m
Shield
S-OUT
- - --
+
GND
Transmission distance: Max. 50 m
B7A Unit (8 input points, 8 output points)
DC power
(24 VDC)
+
S-OUT
-- Power
supply
"+"
S-IN
IN
OUT
Power
Max. 500 m
supply
"+"
Section
B7A Unit (16 output points)
ERR SIG
Power Power
supply supply
"+" "--"
-- +
DC power
supply
(24 VDC)
B7A Unit (16 output points)
ERR SIG
Power Power
supply supply
"+" "--"
supply
--
Power
-- SIG 1
supply
"--"
Power
SIG 2
supply
"--"
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