MDE163-1 B & R Automation
Wake Industrial LLC is not an authorized distributor of this product.
The B & R Automation MDE163-1 is a digital input module from the MDE Digital Input Modules series. This module features 16 inputs and operates with a nominal input voltage of 24 VDC, supporting a maximum of 30 VDC and a minimum of 18 VDC. It provides input-to-housing isolation of 1500 V and input-to-logic isolation of 2500 V, with status displayed by an LED indicator.
Internal Product Review
The MDE163-1 is a B & R Automation digital input module with 16 inputs and a 24 VDC nominal input voltage. Strong electrical separation is supported by 2500 V isolation from input to logic and 1500 V isolation from input to housing, which supports stable control cabinet integration. LED status display simplifies channel diagnostics, making this module a dependable choice for industrial I/O service.
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Product Description:
The MDE163-1 digital input module is manufactured by B&R Automation as part of the MDE Digital Input Modules series. The unit occupies a single slot on standard backplanes and converts field-level contact or transistor signals into logic-level data that the controller can process. By providing a dedicated interface for limit switches, light curtains, and other discrete devices, it simplifies wiring runs, reduces electromagnetic interference, and supports consistent state detection in automated machinery.
The module accepts input voltages from 18 VDC to 30 VDC, with a nominal operating point of 24 VDC that aligns with common sensor power rails. Internal comparators recognize a logic-high state only when the sensed level exceeds the typical switching threshold of 12 VDC, preventing false transitions caused by voltage drops or electrical noise. The module has 16 individually processed channels, each referenced to the common ground plane, enabling dense acquisition of conveyor sensors, door contacts, or operator buttons without external multiplexers. Diagnostic circuitry samples every channel in real time and drives front-panel LEDs to indicate its current state, allowing quick field verification during setup and routine operation.
Electrical separation is provided by an insulation barrier rated at 1500 V between the input block and the metal housing, while a second barrier withstands 2500 V between the inputs and the internal logic domain to protect CPU circuits from external voltage spikes. Surge suppression components absorb transients up to 500 V that last no more than 50 µs. The design limits the repeat interval of these events to 100 ms, allowing the module to recover before the next surge. Because neighboring input terminals are not galvanically isolated from one another, the module maintains a minimal propagation delay when simultaneous edge capture is required.
