0GH-DM476 B & R Automation
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The B & R Automation 0GH-DM476 module is part of the 0GH PLC Modules series and offers 16 inputs with sink or source input circuits, organized into 4 groups. It provides 16 outputs rated at 24 VDC with a maximum output current of 0.4 A and a peak voltage of 500 V. The module features a 25-pin DSUB connector with LED indicators and supports both 24 VDC and 24 VAC input voltage.
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Product Description:
The 0GH-DM476 digital I/O module is produced by B&R Automation within the 0GH PLC Modules series. Designed for discrete signal handling, the unit attaches to a central PLC rack and conveys field-level status changes to the controller while driving low-power actuators. By combining input channels and transistor outputs in one enclosure, the module reduces slot usage and simplifies wiring in machine tools, conveyor lines, and packaging equipment. Because input monitoring and output switching are handled by the same module, the rack can be kept compact in systems that need balanced signal density.
The field inputs are organized into four electrically isolated groups that accept control signals through a sink/source input circuit. Each channel recognizes logic highs supplied at 24 VDC / 24 VAC, permitting direct connection to proximity switches or relay contacts without level converters. All input wires are collected on a 25-pin D-Sub male connector that locks to the module housing and supports quick cable changes. The module provides 16 inputs for discrete status monitoring, and the controller receives these signals as process-image data. This grouping allows separate sensor power domains so faults on one segment do not disturb the remaining channels. The isolation between groups also helps separate sensors that use different commons or machine sections.
On the output side, the module sources load power at 24 VDC and can drive valves, lamps, or contactors with an individual channel limit of 0.4 A. Output state changes leave the module on a second 25-pin female connector below the input socket, using the upper socket / lower plug layout to separate signal directions for easier cable routing. This arrangement helps keep output harnesses separate from input wiring and makes cabinet layout easier to follow. To prevent transient spikes, the backplane design withstands up to 500 V between any channel and ground without functional damage. A front-panel LED for each channel confirms switching activity and allows quick status checks without external measuring tools.
Frequently Asked Questions about 0GH-DM476:
Q: How many digital inputs does the 0GH-DM476 module offer?
A: The 0GH-DM476 PLC module provides 16 digital inputs for signal handling.
Q: What is the connector layout of the 0GH-DM476 PLC module?
A: This module features a connector layout with an upper socket and a lower plug for easy panel integration.
Q: What input voltage ranges are compatible with the 0GH-DM476?
A: The 0GH-DM476 supports input voltages of 24 VDC and 24 VAC, accommodating different control systems.
Q: What are the output voltage and current ratings for the 0GH-DM476 module?
A: For output signals, the 0GH-DM476 is rated at 24 VDC and supports a current up to 0.4 A per channel.
Q: What type of status indicator is included on the 0GH-DM476 module?
A: The module includes an LED indicator for visual status feedback during operation.
