| Technical Specifications of ADAM-5055S | 
| I/O Connector Type | 
21-pin plug-in-screw-terminal | 
| Power Consumption | 
0.68 W | 
| LED Indicator | 
On when active | 
| Digital Inputs | 
| Channels | 
8x in 2 groups of 4 (Set to Dry or Wet Contact by Group) | 
| Dry Contacts | 
Logic Level 0: Open; Logic Level 1: Close to Ground | 
| Wet Contacts | 
Logic Level 0: + 3 V max; Logic Level 1: + 10 to 50 V | 
| Optical Isolation | 
2500 V/DC | 
| Opto-Isolation Response Time | 
25µs | 
| Over Voltage Protection | 
70 V/DC | 
| Digital Outputs | 
| Channels | 
8 | 
| Open Collector | 
200mA, per Channel, Upto 40V | 
| Optical Isolation | 
2500 V/DC | 
| Opto-Isolation Response Time | 
25µs | 
| Supply Voltage | 
5 to 40 V/DC |