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The 1794-OM8 is an Allen-Bradley FLEX I/O digital output module featuring 8 non-isolated AC outputs. Designed for high-density applications, this module is part of the Rockwell Automation FLEX I/O system, which supports removal and insertion under power (RIUP), allowing for maintenance without interrupting the network.
Solid-State Triac Switching
Removal and Insertion Under Power
High-Density Thermal Management
The Allen-Bradley FLEX I/O system offers a flexible, modular, and cost-effective solution for your industrial automation and control. The space saving design offers rack based I/O functionality of up to eight modules and provides digital, analogue, HART analogue, and specialty I/O with 4...32 points per module with flexible mounting and wiring options.
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
Allen Bradley 1794-OM8 Flex IO 8DO 220V AC Module Manuals, Datasheets, Drivers, Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
Manufacturing
Driving AC solenoid valves in pneumatic control systems to control cylinder movements.
Packaging Engineering
Driving contactors for AC heating elements on sealing machines.
Power Systems
Controlling the switching of AC auxiliary circuits in power distribution cabinets.
Cement & Mining
Controlling AC oil pumps for feeder or crusher lubrication systems.
Pulp & Paper
Controlling AC controllers for pulp pumps or paper roll transport systems.
Metalworking
Driving AC pumps for machine tool coolant circulation systems.
When using the 1794-OM8, it is crucial to strictly adhere to the 0.5A per channel current limit and install external surge suppressors for inductive loads, such as solenoids, to protect the internal Triacs from damage. Due to the inherent leakage current of solid-state outputs, small loads like micro-relays or LEDs may fail to turn off properly. Additionally, before performing Removal and Insertion Under Power (RIUP), ensure the external AC field power is disconnected to maintain personnel and equipment safety.
The 1794-OM8 is an 8-channel AC output module within the Allen-Bradley FLEX I/O system, used to drive AC loads such as solenoids, contactors, and pilot lights.
What is the maximum output current per channel for 1794-OM8?
The maximum continuous output current per channel is 0.5 A at an ambient temperature of 55°C.
Which terminal base does the 1794-OM8 require?
It is typically mounted on terminal bases such as the 1794-TBN or 1794-TB3.
How to identify the status of 1794-OM8?
There are 8 yellow LED indicators on the front of the module, corresponding to the status of the 8 output channels.
Does 1794-OM8 support RIUP (Removal and Insertion Under Power)?
Yes, it supports Removal and Insertion Under Power (RIUP), allowing module replacement while the system is running.
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