| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | 20-101-1254 | BOARD DGTL I/O RCM56/57XX | Digi International |
| 2 | P7S-14P-E | P7S-14P-ERelay | Omron Automation and Safety |
| 3 | 1-1904045-6 | V23333Z0001B046-EV-100Relay Housing Wiring Harness | TE Connectivity Potter & Brumfield Relays |
| 4 | SFY4-DC12V | RELAY SAFETY 6PST 6A 12VSafety Relay 6PST-NO/NC (4 Form A, 2 Form B) 12VDC Coil Through Hole | Panasonic Electric Works |
| 5 | RTT3TA12 | RELAY GEN PURPOSE SPST 16A 12VGeneral Purpose Relay SPST-NO (1 Form A) 12VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 6 | G2R-1A-E-AC120 | RELAY GEN PURPOSE SPST 16A 120VGeneral Purpose Relay SPST-NO (1 Form A) 120VAC Coil Through Hole | Omron Electronics Inc-EMC Div |
| 7 | 70GRCQ24-HL | I/O MOUNTING BOARD G5 24POSI/O Module Rack 24 Channel | Grayhill Inc. |
| 8 | 2972932 | CONN TERM BLOCKI/O Module Rack Channel | Phoenix Contact |
| 9 | ARS10Y4H | RELAY RF SPDT 500MA 4.5V | Panasonic Electric Works |