Digital Input Specification; Digital Input Wiring - Zmotion EIO1616 Manual

3.2.1. Digital Input Specification

Item
Input mode
Frequency
Impedance
Voltage level
The voltage to open
The voltage to close
Minimal current
Max current
Isolation mode
Note: the above parameters are standard values when the voltage of expansion
module power supply (E+24V port) is 24V.

3.2.2. Digital Input Wiring

→ Wiring Note:
⚫ The wiring principle of digital inputs IN (0-15) 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 requirements on output of electric level can be achieved.
⚫ For the public end, please connect the "IOGND" port on the IO power supply to the
"COM" terminal of the external input device. If the signal area power supply of the
external device and the power supply of the expansion module are in the same power
EIO1616 Bus Expansion Module User Manual V1.5
Digital input (IN0-15)
NPN type, input is triggered when in low-electric level
-1.8mA (negative)
-6mA (negative)
optoelectronic isolation
＜5kHz
4.7KΩ
DC24V
<14.5V
>14.7V