Honeywell 621-4500 8-Point 12–24 VDC Source Digital Input Module for IPC 620 PLC Systems
Honeywell 621-4500 8-Point 12–24 VDC Source Digital Input Module for IPC 620 PLC Systems
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Brand:Honeywell DCS Item No.:Honeywell 621-4500 Product Origin:USA Product Dimensions:76 mm × 241 mm × 175 mm Product Weight:0.15 kg Payment:T/T, Western Union, Credit Card Goods_stock:15 Shipping Port:Xiamen, China Lead Time:1-3 Days Condition:Brand New And Original Warranty:1 Year Certificate:COO
The Honeywell 621-4500 is a reliable 8-point DC digital input module designed for industrial automation systems based on the IPC 620 and UCN control platforms. This module is specifically engineered as a source input module, allowing it to interface directly with field devices that provide positive voltage signals.
With stable signal conditioning and fast response characteristics, the 621-4500 ensures accurate acquisition of discrete signals from sensors, switches, and control devices. Its proven industrial design makes it a dependable solution for legacy Honeywell systems and long-term plant operation.
Technical Specifications
Specification Item
Details
Model
621-4500
Module Type
Digital Input Module (Source)
Input Channels
8 points
Input Type
DC Source Input
Nominal Voltage
12–24 VDC
Voltage Range
10–32 VDC
Input Current
4.5 – 28 mA (≈18 mA @ 24 V typical)
Logic Level (ON)
≥ 3 VDC
Logic Level (OFF)
≤ 10 VDC
Input Delay (ON)
≈ 2.4 ms
Input Delay (OFF)
≈ 17 ms
Leakage Current
≤ 1.2 mA
Points per Common
4
Mounting
PLC rack / IPC backplane
Dimensions (W × H × D)
76 mm × 241 mm × 175 mm (typical class size)
Weight
≈ 0.15 kg
System Compatibility
Honeywell IPC 620 / UCN systems
Technical values based on typical industrial listings and module specifications.
