h3cr-a Omron Corporation, h3cr-a Datasheet - Page 9

• Manufacturer Part Number: h3cr-a
• Description: Solid-state Multi-functional Timer
• Manufacturer: Omron Corporation

■ Input Connections
H3CR-A/-AS
The inputs of the H3CR-A/-AS are no-voltage (short-circuit or open) inputs.
No-voltage Inputs
No-contact Input
(Connection to NPN open
collector output sensor.)
Sensor
No-voltage Input Signal Levels
12 to 24 VDC
(sensor power supply)
No-contact
input
Contact
input
Operates with transistor ON
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
adequately switch 0.1 mA at 5 V
+
−
2
Timer
5
6
7
DC power
supply
Input (0 V)
Gate
Start
Reset
Contact Input
Operates with relay ON
2
Timer
5
6
7
Input (0 V)
Gate
Start
Reset
Sensor
No-contact Input
(Connection to a voltage
output sensor.)
12 to 24 VDC
(sensor power supply)
Operates with transistor ON
+
−
2
Timer
DC power
supply
5
6
7
Input (0 V)
Gate
Start
Reset
H3CR-A
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