Advantech APAX-5000 Series User Manual page 53

Application Wiring
Warning! When you connect DO channel with inductive load, we suggest adding
one diode in the circuit to protect the APAX-5045 module. (Refer to fig-
ure below)
APAX-5045 Specifications
Digital Input
 Channels: 12
 Points per Common: 12
 Type: Sink/Source (Wet Contact)
 Input Voltage Rated Value: 24 VDC
– For "0" signal: -5 ~ 5 VDC
– For "1" signal: 15 ~ 30 VDC and -15 ~ -30 VDC
 Input Impedance: 5.4 k
Input Current: typical 4.4 mA (At signal "1")

Input Filter: 3 ms

 Input Characteristic Curve: According to IEC 61131-2, type 1
Figure 3.4 Wiring for APAX-5045
45 APAX-5000 I/O Series User Manual