AXIOMTEK IPC950 User Manual page 32

IPC950 user's Manual
Digital I/O Specification (per port)
⚫ Isolated Digital Input
The figure shows how to connect between an external input source and the
system.
Each of the isolated digital input channels accepts 0~30 VDC with sink type and
source type.
⚫
Isolated Digital Output
The figure shows how to connect between an output channel and the system.
If an external voltage 5~30 VDC is applied to an isolated output channel, the
current will flow from the external voltage source to the system.
Please note that the current flowing through each DO channel should not exceed
200 mA.
32 Introduction