Omron H7EC - Page 90

C-96
Multifunction Preset Counter
H7CX
■
Input Circuits
CP1, CP2, Reset/Reset 1, and Total Reset/Reset 2 Input
Note:
The circuit shown above is for no-voltage input (NPN input).
■
Input Connections
The inputs of the H7CX are no-voltage (short-circuit or open) inputs or voltage inputs.
No-voltage Inputs (NPN Inputs)
No-voltage Input Signal Levels
Applicable Two-wire Sensor
Leakage current:1.5 mA max.
Switching capacity:5 mA min.
Residual voltage:3 VDC max.
Operating voltage:10 VDC
+14 V
1 kΩ
IN
Internal
circuit
6 7 8 9 10
3 7 5 6 4
6 7 8 9
3 7 5 6
10
4
6 7 8 9
3 7 5 6
10
4
Open Collector
H7CX-A@
H7CX-A11@
Operates when the transistor turns ON.
0 V
Voltage Output
Sensor
Operates when the transistor turns ON.
Contact Input
Operates when the contact turns ON.
Input Reset/reset 1 input CP2 input CP1 input Total reset/reset 2 input
PLC or
sensor
0 V
Input Reset/reset 1 input CP2 input CP1 input Total reset/reset 2 input
H7CX-A@
H7CX-A11@
0 V
Input Reset/reset 1 input CP2 input CP1 input Total reset/reset 2 in
p
ut
H7CX-A@
H7CX-A11@
No-contact input Short-circuit level
Transistor ON
Residual voltage: 3 V max.
Impedance when ON: 1 K
Ω
max.
(The leakage current is 5 to 20 mA when the
impedance is 0
Ω
.)
Open level
Transistor OFF
Impedance when OFF: 100 K
Ω
min.
Contact input Use contact which can adequately switch
5 mA at 10 V.
Maximum applicable voltage: 30 VDC max.
6 7 8 9
3 7 5 6
10
4
H7CX-A@
Operates when the transistor turns ON.
H7CX-A11@
DC Two-wire Sensor
0 V
Input Reset/reset 1 input CP2 input CP1 input Total reset/reset 2 in
p
ut