Input:

12~30 VDC
12~35 VDC
15~30 VDC
18~28 VAC;18~28 VDC
18~30 VDC;15~26 VAC
20~28 VDC;20~28 VAC
24 VAC;24 VDC
24 VDC
7~35 VDC
9~30 VDC
Two programmable inputs