

The Allen-Bradley 1794-OM8 is a high-performance output module belonging to the FLEX I/O family, engineered for demanding discrete control applications. This module delivers 8 channels of robust 24V DC output, supporting both sink and source configurations to interface seamlessly with a wide range of field devices. Its modular architecture integrates effortlessly with 1794-series termination bases and communication adapters, enabling scalable and flexible distributed I/O solutions. Designed for reliability in continuous process environments, the 1794-OM8 features built-in short-circuit protection and LED diagnostics for each channel, ensuring rapid fault identification and system uptime. Whether deployed in manufacturing lines, material handling, or process control, this module provides the precision and durability that Allen-Bradley systems are known for.
| Specification | Details |
|---|---|
| Product Type | Discrete Output Module |
| Series | FLEX I/O |
| Part Number | 1794-OM8 |
| Number of Outputs | 8 (solid-state) |
| Output Voltage Range | 20.4 to 26.4V DC (nominal 24V DC) |
| Output Current per Channel | 0.5A at 30°C, derated to 0.25A at 60°C (resistive load) |
| Total Output Current per Module | 4A at 30°C, 2A at 60°C |
| Output Type | Sink (NPN) or Source (PNP) selectable via wiring |
| Load Type | Resistive, inductive, lamp (limited) |
| Protection | Short-circuit protected per channel, thermal shutdown |
| Diagnostic Indicators | Green LED per channel (output on), red LED for fault |
| Isolation Voltage | 50V continuous, 850V peak (channel-to-backplane) |
| Power Dissipation | 2.4W typical at 24V DC, full load |
| Backplane Current Draw | 50 mA at 5V DC (from FLEX I/O adapter) |
| Field Wiring | Via 1794-TB series termination base (screw or spring clamp) |
| Operating Temperature | 0 to 60°C (32 to 140°F) |
| Storage Temperature | -40 to 85°C (-40 to 185°F) |
| Relative Humidity | 5 to 95% non-condensing |
| Vibration Resistance | 5 g Standard Models 10-500 Hz (per IEC 60068-2-6) |
| Shock Resistance | 30 g (per IEC 60068-2-27) |
| Certifications | CE, UL 508, CSA C22.2 No. 142, ATEX (Zone 2 with appropriate base) |
| Dimensions (H x W x D) | Approx. 46 x 94 x 67 mm (1.81 x 3.70 x 2.64 in) |
| Weight | 0.12 kg (0.26 lb) |
| Mounting | DIN rail or panel mount (via termination base) |
| Compatible Adapters | 1794-ACNR, 1794-ASB, 1794-AENT, 1794-AENTR (and others) |
| Compatible Termination Bases | 1794-TB2, 1794-TB3, 1794-TB3S, 1794-TB4S |

What Does Our Clients Say
Mitsubishi MR-J4
Laura Navas
Great product!
2019/12/01
Keyence sensor
EQDR SALES
Original and fast!
2020/02/22