| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | 20-101-1254 | BOARD DGTL I/O RCM56/57XX | Digi International |
| 2 | 913464 | RS 18A 120VAC/60VDC W/GRRelay | Weidmuller |
| 3 | PL11 | RELAY SOCKET 3PDT PANEL MT MKRelay Socket Panel Mount | Omron Automation and Safety |
| 4 | 2IO4B | I/O MOUNTING BOARD STANDARD 4POSI/O Module Rack 4 Channel | TE Connectivity Potter & Brumfield Relays |
| 5 | 2974914 | I/O MOUNTING BOARD 8POSI/O Module Rack 8 Channel | Phoenix Contact |
| 6 | JJM1-12V | RELAY AUTOMOTIVE SPDT 20A 12V | Panasonic Electric Works |
| 7 | 8870850000 | CONN JUMPER 12A 23MMJumper RCM Series | Weidmuller |
| 8 | 3-1462051-1 | RELAY RF 1FORMC/1CO 2A 12V | TE Connectivity Potter & Brumfield Relays |
| 9 | ARN12A24X | RELAY RF SPDT 24V | Panasonic Electric Works |