| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | 20-101-1254 | BOARD DGTL I/O RCM56/57XX | Digi International |
| 2 | IM02JR | RELAY TELECOM DPDT 2A 4.5VTelecom Relay DPDT (2 Form C) Surface Mount | TE Connectivity Potter & Brumfield Relays |
| 3 | P2RF08ESS | 2 POLE CAGE CLAMPRelay | Omron Automation and Safety |
| 4 | 27E891 | SOCKET RELAY 8 OCTAL DIN RAILRelay Socket DIN Rail | TE Connectivity Potter & Brumfield Relays |
| 5 | KRPA-5AG-24 | RELAY GEN PURPOSE SPDT 10A 24VGeneral Purpose Relay SPDT (1 Form C) 24VAC Coil Socketable | TE Connectivity Potter & Brumfield Relays |
| 6 | S2EB-L2-5V | RELAY GENERAL PURPOSE 4PST 4A 5VGeneral Purpose Relay 4PST-NO/NC (2 Form A, 2 Form B) 5VDC Coil Through Hole | Panasonic Electric Works |
| 7 | RU4S-C-A24 | RELAY PLUG-IN 4PDT 6A 24VACGeneral Purpose Relay 4PDT (4 Form C) 24VAC Coil Socketable | IDEC |
| 8 | 70MRCK8-EC | I/O MOUNTING BOARD MINI 8POSI/O Module Rack 8 Channel | Grayhill Inc. |
| 9 | PB-16C4T | I/O MOUNTING BOARD C4 16POSI/O Module Rack 16 Channel | Sensata-Crydom |