X20DI2653 B & R Automation
Wake Industrial LLC is not an authorized distributor of this product.
The X20DI2653 is an input module produced by B & R Automation and is part of the X20 Fieldbus Input Output Modules series. It features 2 digital inputs with a maximum input voltage of 264 VAC and supports 3-wire connections. The module has a channel-bus insulation rated at 2500 VAC for 1 minute and a protection rating of IP20.
Internal Product Review
The X20DI2653 is a well-engineered digital input module for X20 fieldbus I/O systems, featuring 2 digital inputs and 3-wire connections. From a controls standpoint, the >79 VAC high threshold and <40 VAC low threshold support clear signal discrimination in AC input applications. IP20 protection and 2500 VAC / 1 min channel-bus insulation make the module a dependable choice for industrial panel integration.
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Product Description:
The X20DI2653 digital input module is produced by B&R Automation within the X20 Fieldbus Input Output Modules series. The unit provides an interface that allows AC sensing devices such as limit switches or relay contacts to be monitored by a programmable controller. By occupying one slot on an X20 remote I/O node, it converts field-level signals into the system bus format so higher-level logic can react to machine states. It is intended for installations where space is limited and 240 V signaling is common on drives, conveyors, and process skids.
The module presents 2 independent inputs that accept line potentials up to 264 VAC, permitting direct wiring of mains-rated sensors without interposing relays. Electrical isolation between the channel group and the internal bus is verified at 2500 VAC for 1 min, protecting downstream electronics against transient overvoltage. Internal electronics draw only 0.14 W from the backplane, minimizing heat inside the cabinet, and the sampling circuit applies a default debounce of 1 ms to suppress contact chatter. Users can shorten that filter when faster response is required. Signal transition times remain deterministic, with rising delays not exceeding 40 ms and falling delays limited to 30 ms, so controller logic sees consistent state changes.
Field wiring uses three-wire connections that supply a reference neutral to each point, and the module uses the 240 V Coded guide so neighboring slots cannot receive lower-voltage cards. When energized, the input circuits consume an additional 0.55 W from the source side and can provide up to 2 A of effective sensor supply current for auxiliary indicators. Logic TRUE is recognized above 79 VAC and logic FALSE below 40 VAC, which helps the module tolerate line fluctuations. The IP20 housing limits use to enclosed panels, and the channels do not have short-circuit protection, so external wiring requires appropriate fusing.
