| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | 20-101-1254 | BOARD DGTL I/O RCM56/57XX | Digi International |
| 2 | TX2SA-L-4.5V-1-Z | RELAY TELECOM DPDT 1A 4.5VTelecom Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 3 | SY4S-05C | SOCKET DIN MOUNT FINGERSAFERelay Socket DIN Rail | IDEC |
| 4 | VCF4-1003 | CONN FOR QC VF4-2 VF4-5 RELAYSRelay Housing Wiring Harness | TE Connectivity Potter & Brumfield Relays |
| 5 | G2RV-SL500 DC24 (DC21) | RELAY GEN PURPOSE SPDT 6A 24VGeneral Purpose with Socket Relay SPDT (1 Form C) 24VDC Coil DIN Rail | Omron Automation and Safety |
| 6 | HE1AN-DC12V | RELAY GEN PURPOSE SPST 30A 12VGeneral Purpose Relay SPST-NO (1 Form A) 12VDC Coil Chassis Mount | Panasonic Electric Works |
| 7 | NC4EBD-P-DC5V | RELAY GENERAL PURPOSE 4PDT 5A 5VGeneral Purpose Relay 4PDT (4 Form C) 5VDC Coil Through Hole | Panasonic Electric Works |
| 8 | G7L-1A-BUB-J-CB-AC24 | RELAY GEN PURPOSE SPST 30A 24VGeneral Purpose Relay SPST-NO (1 Form A) 24VAC Coil Chassis Mount | Omron Electronics Inc-EMC Div |
| 9 | 70LRCK24-HL | I/O MOUNTING BRD OPENLINE 24POSI/O Module Rack 24 Channel | Grayhill Inc. |