Omron H3CR Series - Installation and Terminal Arrangements (H3 CR-A); 11-pin Model Terminal Connections; 8-pin Model Terminal Connections

H3CR-A
H3CR-A
18
Input Connections
H3CR-A/-AS
The inputs of the H3CR-A/-AS are no-voltage (short-circuit or open) inputs.
No-voltage Input Signal Levels
No-contact
input
Contact
input
1. Short-circuit level
Transistor ON
Residual voltage: 1 V max.
Impedance when ON: 1 kΩ max.
2. Open level
Transistor OFF
Impedance when OFF: 100 kΩ min.
Use contacts which can adequate-
ly switch 0.1 mA at 5 V
No-contact Input
(Connection to NPN open
collector output sensor.)
Contact Input No-contact Input
(Connection to a voltage
output sensor.)
No-voltage Inputs
12 to 24 VDC
(sensor power supply)
Sensor
Timer
5 Gate
6 Start
7 Reset
2 Input (0 V)
Operates with transistor ON
+
–
DC power
supply
Timer
Operates with relay ON
12 to 24 VDC
(sensor power supply)
Sensor
Timer
Operates with transistor ON
+
–
DC power
supply
5 Gate
6 Start
7 Reset
2 Input (0 V)
5 Gate
6 Start
7 Reset
2 Input (0 V)
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