0GH-PS794 B & R Automation
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The 0GH-PS794 is a PLC module manufactured by B & R Automation as part of the 0GH PLC Modules series. It features a nominal input voltage of 230 VAC and can supply a total output power of up to 50 W. The module offers a 24 V output power with a maximum of 48 W and includes an expansion slot for system configuration.
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Product Description:
B&R Automation produces the 0GH-PS794, a power supply module in the 0GH PLC Modules series. Intended for installation on the primary rack of a 0GH programmable logic controller, the unit converts single-phase mains power into regulated low-voltage rails that feed CPUs, communication units, and field I/O. By integrating the supply directly into the PLC backplane, it simplifies cabinet wiring and ensures that control electronics receive stable DC power for deterministic industrial automation tasks. It occupies one standard slot and communicates its status to the controller through the internal bus, allowing supervised shutdown if a fault occurs.
The module accepts line voltages from 187 VAC up to 265 VAC, with 230 VAC as the nominal operating point. Within that window, the maximum input current is 0.4 A, so thermal loading on upstream breakers remains low even when the outputs are fully utilized. Supported supply frequency spans 47–63 Hz, permitting use on both 50 Hz and 60 Hz grids without adjustment. Internally, the unit can deliver a combined power of 50 W maximum, and it monitors temperature and output loading to prevent sustained overload. The primary converter channels energy to isolated 24 V and 5 V regulators, while inrush-limiting circuitry smooths startup when power is applied.
During transients, the supply withstands line surges up to 500 V maximum for 10 ms without tripping, maintaining controller availability in unstable networks. The dedicated 24 V rail can source 48 W maximum, which is sufficient for sensors, solenoids, or small drives, while the 5 V rail provides 26 W maximum for logic electronics. These individual limits exceed the overall 50 W budget, so the PLC can prioritize either peripheral or backplane loads depending on application demand. Output regulation remains stable from 47 Hz up to the full 63 Hz ceiling, and the integrated expansion slot allows auxiliary communication cards to be added while the absence of an expansion slave interface keeps the power section standalone.
Frequently Asked Questions about 0GH-PS794:
Q: What is the nominal input voltage required for the 0GH-PS794 PLC module?
A: The 0GH-PS794 operates with a nominal input voltage of 230 VAC.
Q: What is the maximum 24 V output power provided by the 0GH-PS794?
A: This model can supply up to 48 W of output power at 24 V.
Q: Does the 0GH-PS794 feature an expansion slot for add-ons?
A: The 0GH-PS794 includes an expansion slot for additional connectivity.
Q: What is the total output power capacity of the 0GH-PS794?
A: It allows a total combined output power of up to 50 W.
Q: What is the maximum input current for the 0GH-PS794 power supply module?
A: The input current for the 0GH-PS794 is rated at a maximum of 0.4 A.
