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■ Input Connections
A no-voltage input (short-circuit or open) or voltage input can be selected for each input. (The key protection input is always a no-voltage
input (NPN input)).
● No-voltage Inputs (NPN Inputs)
Open Collector
PLC
or sensor
Terminal No.
8
9
10
11
12
Operates when the transistor turns ON.
Note: When the H7BX is used as a tachometer, the CP2 input and total reset/reset 2 input are not used.
No-voltage Input Signal Levels
Short-circuit level
Transistor ON
Residual voltage: 3 V max.
Impedance when ON: 1 k
No-contact
(The leakage current is 5 to 12 mA when the impedance is 0 .)
input
Open level
Transistor OFF
Impedance when OFF: 100 k
Contact input Use contact which can adequately switch 5 mA at 10 V.
Note: Use a DC power supply of 30 V max.
● Voltage Inputs (PNP Inputs)
No-contact Input (NPN Transistor)
Sensor
Terminal No.
8
9
10
Operates when the transistor turns OFF.
Note: When the H7BX is used as a tachometer, the CP2 input and total reset/reset 2 input are not used.
Voltage Input Signal Levels
High level (Input ON): 4.5 to 30 VDC
Low level (Input OFF): 0 to 2 VDC
Note 1. Use a DC power supply of 30 V max.
2. Input resistance: Approx. 4.7 k
6
Multifunction Counter
Voltage Output
Sensor
16
Terminal No.
8
9
10
11
Operates when the transistor turns ON.
max.
min.
No-contact Input (PNP Transistor)
Sensor
11
12
Terminal No.
Operates when the transistor turns ON.
H7BX
Contact Input
8
9
10
12
16
Terminal No.
Operates when the contact turns ON.
8
9
10
11
12
DC Two-wire Sensor
11
12
16
Terminal No.
8
9
Operates when the transistor turns ON.
Applicable Two-wire Sensors
Leakage current: 1.5 mA max.
Switching capacity: 5 mA min.
Residual voltage: 3 VDC max.
Operating voltage: 10 VDC
Contact Input
Terminal No.
8
9
10
Operates when the contact turns ON.
10
11
12
16
11
12
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