This listing is for a USED Allen‑Bradley 1791ES‑IB8X0BV4/A CompactBlock Guard I/O safety input module. This module provides eight safety‑rated digital inputs over EtherNet/IP Safety for GuardLogix and GuardPLC systems. It is designed for monitoring safety devices such as emergency stops, safety switches, and light curtains in industrial automation environments requiring functional safety compliance.

This listing is for a NEW Allen Bradley 1771-IAD Digital Input Module. The 1771‑IAD provides 16 AC input channels and is designed for use within Allen Bradley PLC‑5 and 1771‑Series I/O chassis. It accepts 79–132V AC signals and is commonly used for interfacing industrial switches, sensors, and machine control devices. As part of the 1771 platform, it offers reliable signal conditioning, AC input monitoring, and durable performance for a wide range of automation and process control applications.

This listing is for a USED Balluff BNI004F BNI EIP‑302‑105‑Z015. EtherNet/IP I/O module handling distributed sensor and actuator connections, supporting 24V DC operation with multiple M12 ports for network-based interfacing in industrial automation systems and machine-level control environments.