Zmotion ZMC420SCAN - 3.4.1. Digital Input Specification & Wiring

ZMC420SCAN Motion Controller Hardware Manual V1.5
single-ended encoder function.
➢ Single-ended encoder axis 6-9 need to be configured as local axes compulsively
through AXIS_ADDRESS, and they are general inputs when ATYPE=0.
3.4.1. Digital Input Specification & Wiring
→ Specification
Item
High-Speed Input (IN0-11)
Low-Speed Input (IN12-23)
Input mode
NPN leakage type, it is triggered by low electric level
Frequency
＜100kHz
＜5kHz
Impedance
3.3KΩ
4.7KΩ
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 (0-11) and low-speed digital input
IN (12-23) is shown in the figure above. The external signal source can be an