EP1258-0001 Beckhoff
Wake Industrial LLC is not an authorized distributor of this product.
The Beckhoff EP1258-0001 is part of the EP Digital Input Modules series and features eight digital inputs with M8 connectors, supporting a nominal input voltage of 24 VDC. The module offers distributed clocks, 2 EtherCAT ports, and sensor supply at 0.5 A, with input filtering set at 10 microseconds. It supports timestamp inputs with 10 ns precision and 1 ns resolution, and provides an isolation voltage of 500 V.
Internal Product Review
The EP1258-0001 is a Beckhoff digital input module with 8 inputs and a 24 VDC nominal input voltage. Distributed Clocks support and 10 ns timestamp precision make the module especially well suited for synchronized high-speed signal capture. Dual EtherCAT ports simplify network integration, while 500 V isolation strengthens reliability in industrial installations.
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Product Description:
The EP1258-0001 is a digital input device produced by Beckhoff and assigned to the EP Digital Input Modules series. It collects on-machine switch or sensor signals and transfers them to an EtherCAT network, reducing panel wiring. Mounted directly on equipment, the block supports IP67 protection and retains deterministic behavior through the Distributed Clocks function used in time-critical automation tasks.
The input side is organized as 8 digital channels terminated on eight M8, three-pin sockets, and each channel draws only 3 mA of current from the field sensor, which lowers load on proximity switches. An internal debounce stage inserts a 10 µs filter so fast transients are still captured but contact chatter is suppressed. Galvanic separation up to 500 V exists between process signals and the logic domain, enabling reliable operation next to inductive loads. When sensors are distributed along conveyor runs, cable segments may extend to 30 m without violating the specified signal quality. Two shielded, four-pin M8 ports forward the EtherCAT telegrams, providing line topology and convenient daisy-chain installation.
The logic supply Up is rated at 24 VDC, and the input circuit’s nominal reference matches the same value for compatibility with standard control trunks. For powering external sensors, the module sources 24 VDC at 0.5 A, so three-wire devices can be driven without an auxiliary block. The cumulative current drawn from the 24 VDC Us rail must stay below 4 A, a figure that includes sensor load and the module’s own electronics. High-resolution event capture is supported on two dedicated timestamp channels; a hardware counter latches edge positions with 10 ns accuracy and reports them to the PLC with 1 ns granularity. This timing capability allows motion controllers to align input events precisely across an EtherCAT segment, while A-coded connectors prevent wiring mistakes during maintenance.
