| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275EU | MTRAK M275 EVENT UNIT | Digi International |
| 2 | 2950721 | RELAY GEN PURPOSERelay | Phoenix Contact |
| 3 | 911498 | RSM 2 110VAC SPDT 10A SKTRelay | Weidmuller |
| 4 | 2903277 | RELAY GEN PURPOSE 3PDT 8A 120VGeneral Purpose with Socket Relay 3PDT (3 Form C) 120VAC Coil DIN Rail | Phoenix Contact |
| 5 | 70GRCK4R | I/O MOUNTING BOARD G5 4POSI/O Module Rack 4 Channel | Grayhill Inc. |
| 6 | 2972738 | INTERFACE MODULE PLUG-IN SOCKETI/O Module Rack 8 Channel | Phoenix Contact |
| 7 | PB-16C4 | I/O MOUNTING BOARD C4 16POSI/O Module Rack 16 Channel | Sensata-Crydom |
| 8 | ARA210A12 | RELAY RF DPDT 1A 12V | Panasonic Electric Works |
| 9 | G3R-IDZR1SN-1 DC5 | INPUT MODULE DC 8MA 4-32VDCDC Input Module Output Module 100mA 4 ~ 32VDC Output 4 ~ 6VDC (5VDC Nom) Supply | Omron Automation and Safety |