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5-4-9
Wiring the built-in I/O
This section gives some wiring examples for the built-in I/O and precautions for wiring.
Wiring the Built-in Input
Use the following information for reference when selecting or connecting input devices.
l
DC Input Devices Which Can Be Connected (DC Output)
0 V
+
0 V
+
+
IN
0 V
+
COM
IN
IN
0 V
+
COM
COM
0 V
+
+
IN
IN
COM
COM
+
IN
COM
+
IN
COM
Input terminal
block
Input terminal
block
Input terminal
block
Input terminal
block
Input terminal
block
Input terminal
block
Input terminal
block
Sensor
Power
supply
Output
• The circuit below should not be used for I/O devices having a voltage output.
Voltage output
Sensor
Power
supply
Output
Sensor
Power
supply
Output
Output
NPN open-collector output
Contact output
Sensor
Power
supply
Two-wire DC output
NPN current output
Current
regulator
Sensor
Power
supply
PNP current output
Output
Sensor
Power
supply
l
Precautions When Connecting a Two-wire DC Sensor
When a two-wire sensor is used with a DC input, check that the following conditions are met. Fail-
ure to meet these conditions may result in operating errors.
(a) Relation between ON voltage of the DC input and sensor residual voltage
V
ON
≤ V
CC
− V
R
(b) Relation between input current to the DC input and sensor control output (load current)
I
OUT
(min) ≤ I
ON
≤ I
OUT
(max)
5 Installation and Wiring
5-65
NX-series NX1P2 CPU Unit Hardware User’s Manual (W578)
5-4 W
iring
5
5-4-9
Wiring the built-in I/O
Содержание NX1P2 series
Страница 8: ...Manual Structure 6 NX series NX1P2 CPU Unit Hardware User s Manual W578...
Страница 52: ...Revision History 50 NX series NX1P2 CPU Unit Hardware User s Manual W578...
Страница 82: ...2 System Configuration 2 10 NX series NX1P2 CPU Unit Hardware User s Manual W578...
Страница 170: ...a b Flat blade screwdriver 1 2 5 Installation and Wiring 5 26 NX series NX1P2 CPU Unit Hardware User s Manual W578...
Страница 174: ...4 Close the Memory Card cover 5 Installation and Wiring 5 30 NX series NX1P2 CPU Unit Hardware User s Manual W578...
Страница 176: ...4 Close the Memory Card cover 5 Installation and Wiring 5 32 NX series NX1P2 CPU Unit Hardware User s Manual W578...
Страница 224: ...0 4 mm Side view Front view 2 5 mm 5 Installation and Wiring 5 80 NX series NX1P2 CPU Unit Hardware User s Manual W578...
Страница 258: ...Appendices A 10 NX series NX1P2 CPU Unit Hardware User s Manual W578...
Страница 259: ...I Index I 1 NX series NX1P2 CPU Unit Hardware User s Manual W578 I...
Страница 262: ...Index I 4 NX series NX1P2 CPU Unit Hardware User s Manual W578...
Страница 263: ......