ZMC408SCAN Motion Controller Hardware Manual V1.5
3.2.1.
Digital Input Specification & Wiring
→
Specification
Item
High-Speed Input (IN0-3)
Low-Speed Input (IN4-23)
Input mode
NPN leakage type, the input is triggered when there is low-
electric level
Frequency
<
100kHz
<
5kHz
Impedance
3.3K
Ω
4.7K
Ω
Voltage level
DC24V
DC24V
The voltage to open
<15V
<14.5V
The voltage to close
>15.1V
>14.7V
Minimal current
-2.3mA (negative)
-1.8mA (negative)
Max current
-7.5mA (negative)
-6mA (negative)
Isolation mode
optoelectronic isolation
Note: the above parameters are standard values when the voltage of controller power
supply (E+24V port) is 24V.
→
Wiring Reference
→
Wiring Note:
⚫
The wiring principle of high-speed digital input IN (0-3) and low-speed digital input
IN (4-23) is shown in the figure above. The external signal source can be an
optocoupler, a key switch or a sensor, etc., all can be connected as long as the