EM301 8DIO board：

Extended input/output signal interface

Input point mode: Input point 1-8 is active input, input point 

common source mode

Input voltage range：5~30VDC

Input current range：＜10mA

Output point mode：

Output points 1 and 5 are passive normally open outputs of 

solid-state relays.

Output drive capacity: <30VDC 0.5A or <30VAC 0.5A

Output points 2-4 and 6-8 are passive normally open outputs 

for solid-state relays

Output drive capacity: <30VDC 0.5A or <30VAC 0.5A

The maximum total output current is 2A

The single-channel on-resistance is 0.25Ω