| Manufacturer | Rockwell Automation |
| Part Number/Catalog No. | 1756-L74 |
| Brand | Allen-Bradley |
| Product Type | Programmable Automation Controller |
| Non-volatile memory | 1GB (ships with the controlelr) |
| No. of task | 32 |
| Programs per task | 100 Programs |
| Event Task | All Triggers |
| Built-in communication | 1 USB port |
| I-O Memory | 0.98 MB |
| User Memory | 16 MB |
| Maximum Digital I-O | 128,000 |
| Current Draw (1.2 Volts DC) | 5 milliamps |
| Current Draw (5.1 Volts) | 800 milliamps |
| Power Dissipation | 2.5 Watts |
| Thermal Dissipation | 8.5 BTU per hour |
| Isolation Voltage | 30 Volts Continuous |
| Enclosure | None |