Omron NT30 Operation Manual page 81

Connection of Expanded I/O
- When using a common power supply (DIP switch SW1 pin 2 setting:
Standard)
B7A Interface Unit
Power Power
S-IN S-OUT
supply supply
"–" "+"
– + Transmission distance:
DC power
supply
(24 VDC)
- 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
Transmission distance:
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
"–" "+"
– +
GND
DC power
supply
Transmission distance:
(24 VDC)
B7A Unit (8 input points, 8 output points)
S-OUT
+
– Power
–
supply
S-IN
IN
OUT
Power
Max. 500 m
supply
"+"
B7A Unit (8 input points, 8 output points)
Shield
S-OUT
– Power
supply
S-IN
IN
OUT
GND
Power
supply
"+"
Max. 100 m
B7A Unit (8 input points, 8 output points)
Shield
S-OUT
+
Power
–
supply
S-IN
IN
OUT
Power
supply
"+"
Max. 50 m
Section
Power
– SIG 1
supply
"+" "–"
Power
SIG 2
supply
"–"
DC power
supply
(24 VDC)
+ –
Power
– SIG 1
supply
"+" "–"
Power
SIG 2
supply
"–"
Power
– SIG 1
supply
"+" "–"
Power
SIG 2
supply
"–"
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