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Specification Details Model Number 621-9939 Product Type Serial Link Module Dimensions 267 × 165 × 38 mm Weight 0
001…020: 0
Q: Which Bently Nevada monitor module is this compatible with
which is standard for this EPRO series
Normal Mode Rejection: -80 dB at 60 Hz (Minimum)
621-3550 Honeywell Digital Input PLC Module for Control Systems Keyphasor Power Supply Specification Details Model Number 621-9939Product Overview The Honeywell 621 3550 Digital Input PLC Module is a high performance input interface designed for TDC 3000 and process control systems. It collects digital signals from field devices such as switches, sensors, and relays, enabling accurate monitoring and control. With fast response time and robust construction, this module ensures reliable operation in industrial automation environments. Technical Specifications Specification Details