| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | 20-101-1254 | BOARD DGTL I/O RCM56/57XX | Digi International |
| 2 | V23079B1201B301 | RELAY GENERAL PURPOSE DPDT 2A 5VGeneral Purpose Relay DPDT (2 Form C) Through Hole | TE Connectivity Potter & Brumfield Relays |
| 3 | 2972673 | INTERFACE MODULE W PLUG-IN SKTRelay Socket DIN Rail | Phoenix Contact |
| 4 | 27E194 | SOCKET 4POLE R10 SERIESRelay Socket Through Hole | TE Connectivity Potter & Brumfield Relays |
| 5 | SFS4-SFD | SOCKET RELAY DIN MNT FOR 4PRelay Socket DIN Rail | Panasonic Industrial Automation Sales |
| 6 | PLE08-0 | RELAY SOCKET DPDT PCB MT MKRelay Socket Through Hole | Omron Automation and Safety |
| 7 | SP2-DC5V | RELAY GEN PURPOSE DPDT 15A 5VGeneral Purpose Relay DPDT (2 Form C) 5VDC Coil Socketable | Panasonic Electric Works |
| 8 | ALE75B05 | RELAY GEN PURPOSE SPST 16A 5VGeneral Purpose Relay SPST-NO (1 Form A) 5VDC Coil Through Hole | Panasonic Electric Works |
| 9 | G5LE-1A4 DC3 | RELAY GEN PURPOSE SPST 10A 3VGeneral Purpose Relay SPST-NO (1 Form A) 3VDC Coil Through Hole | Omron Electronics Inc-EMC Div |