H7CX-A
@
-N
9
Block Diagram
Note: All models except for H7CX-
@
D-N have basic insulation.
Input Circuits
CP1, CP2, Reset/Reset 1, and Total Reset/Reset 2
Input
Input Connections
The inputs of the H7CX-
@
-N are no-voltage (short-circuit or open) inputs or voltage inputs.
No-voltage Inputs (NPN Inputs)
No-voltage Input Signal Levels
Note: The DC voltage must be 30 VDC max.
Voltage Inputs (PNP Inputs)
Voltage Input Signal Levels
Note: 1. The DC voltage must be 30 VDC max.
2. Input resistance: Approx. 4.7 k
Ω
Output circuit
(See note.)
Display circuit
Input circuits
(Basic insulation)
(Basic insulation)
Internal
control circuit
Power supply
circuit
Key switch
circuit
No-voltage Inputs
(NPN Inputs)
Voltage Inputs (PNP Inputs)
Internal
circuit
IN
+14V
1 k
Ω
IN
Approx. 4.7 k
Ω
Internal
circuit
Open Collector
Voltage Output
Contact Input
DC Two-wire Sensor
H7CX-A
@
H7CX-A11
@
Note: Operates with transistor ON.
PLC or
sensor
6
7
8
9
10
3
7
5
6
4
0 V f
or inputs
Reset/reset 1 input
CP2 input
CP1 input
T
otal reset/reset 2 input
H7CX-A
@
H7CX-A11
@
Note: Operates with transistor ON.
Sensor
6
7
8
9
10
3
7
5
6
4
0 V f
or inputs
Reset/reset 1 input
CP2 input
CP1 input
T
otal reset/reset 2 input
Note: Operates with relay ON.
H7CX-A
@
H7CX-A11
@
6
7
8
9
10
3
7
5
6
4
0 V f
or inputs
Reset/reset 1 input
CP2 input
CP1 input
T
otal reset/reset 2 input
Note: Operates with transistor ON.
H7CX-A
@
H7CX-A11
@
6
7
8
9
10
3
7
5
6
4
0 V f
or inputs
Reset/reset 1 input
CP2 input
CP1 input
T
otal reset/reset 2 input
No-contact input
Short-circuit level (transistor ON)
• Residual voltage: 3 V max.
• Impedance when ON: 1 k
Ω
max.
(The leakage current is approx. 12 mA when the impedance is 0
Ω
.)
Open level (transistor OFF)
• Impedance when OFF: 100 k
Ω
min.
Contact input
Use contacts which can adequately switch 5 mA at 10 V.
Applicable Two-wire Sensor
• Leakage current: 1.5 mA max.
• Switching capacity: 5 mA min.
• Residual voltage: 3 VDC max.
• Operating voltage: 10 VDC
No-contact Input (NPN Transistor)
No-contact Input (PNP Transistor)
Contact Input
Note: Operates with transistor OFF.
H7CX-A
@
H7CX-A11
@
Sensor
6
7
8
9
10
3
7
5
6
4
0 V f
or inputs
Reset/reset 1 input
CP2 input
CP1 input
T
otal reset/reset 2 input
Note: Operates with transistor ON.
H7CX-A
@
H7CX-A11
@
Sensor
6
7
8
9
10
3
7
5
6
4
0 V f
or inputs
Reset/reset 1 input
CP2 input
CP1 input
T
otal reset/reset 2 input
Note: Operates with relay ON.
H7CX-A
@
H7CX-A11
@
6
7
8
9
10
3
7
5
6
4
0 V f
or inputs
Reset/reset 1 input
CP2 input
CP1 input
T
otal reset/reset 2 input
High level (input ON): 4.5 to 30 VDC
Low level (input OFF): 0 to 2 VDC
Summary of Contents for H7CX- -N Series
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