| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-RTU | REMOTE TERMINAL UNIT RTU | Digi International |
| 2 | TQ2SA-5V | RELAY TELECOM DPDT 2A 5VTelecom Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 3 | 3-1904045-4 | V23333Z0002A041-EV-311Relay | TE Connectivity Potter & Brumfield Relays |
| 4 | 2909509 | RELAY GEN PURPOSE DPDT 6A 24VGeneral Purpose with Socket Relay DPDT (2 Form C) 24VDC Coil DIN Rail | Phoenix Contact |
| 5 | G2R-24-DC5 | RELAY GENERAL PURPOSE DPDT 4A 5VGeneral Purpose Relay DPDT (2 Form C) 5VDC Coil Through Hole | Omron Electronics Inc-EMC Div |
| 6 | 2962023 | I/O MOUNTING BOARD 16POSI/O Module Rack 16 Channel | Phoenix Contact |
| 7 | 2979508 | VARIOFACE OUTPUT EXPANSION MODI/O Module Rack 16 Channel | Phoenix Contact |
| 8 | 70-IAC5 | INPUT MODULE AC 8MA 5VDCAC Input Module Output Module 10mA 5VDC Output 90 ~ 140VAC (120VAC Nom) Supply | Grayhill Inc. |
| 9 | G3R-IDZR1SN-1 DC12-24 | INPUT MODULE DC 8MA 4-32VDCDC Input Module Output Module 100mA 4 ~ 32VDC Output 12 ~ 24VDC Supply | Omron Automation and Safety |