Honeywell 621-1160R Logic Manager Digital Input Module

Description

The Honeywell 621-1160R is a digital input module designed for monitoring AC discrete field signals in Logic Manager systems on the Universal Control Network (UCN). Operating across an 80-140 Vac voltage range with a 115 Vac nominal rating, the 621-1160R processes status signals from field switches, pushbuttons, and industrial sensors into the Logic Manager Control Processor memory. The module provides 16 input channels configured on a single common connection, utilizing standard internal backplane power (+5 Vdc) with built-in input surge current limiting.

Features

• Provides 16 discrete input channels routed through a single common point
• Configured for IEEE 518 DATA 3 signal level wiring classification
• Integrates hardware current limiting rated up to 500 mA per input point
• Features built-in signal filtering delays for noise rejection

Applications

• Pushbutton and selector switch monitoring
• Limit switch and proximity contact sensing
• Motor starter auxiliary contact monitoring
• Discrete AC interlock system feedback

Technical Specifications

Installation Guidelines

• Verify that incoming discrete AC input voltages remain strictly within the 80-140 Vac operating range.
• Ensure total off-state leakage current from connected field devices does not exceed 1.5 mA ac per channel.
• Route input field wiring according to IEEE 518 DATA 3 signal class guidelines to prevent noise coupling.
• Ensure proper insertion into the designated I/O card file slot before applying field power.