Hardware specific:
1 PLC power:
Direct come from outside, as far away to the signal, at least 12 awg of the ground cable
2 insulation:
>10 mohm, 500V DC
3 Dielectric:
1500V 1 minutes
4 24 DC relay maxmum current:
300 ma
5 input response time:
1 to 9 ms
6 input current:
4 to 8 ma
7 input impendence:
2.7khom to 3.9 hom
8 sinking:
DC power negative connect to commom
9 Sourcing:
DC power positive connect to common