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Honeywell 621-1201 Digital Input Module

Honeywell 621-1201 Digital Input Module

  • Manufacturer: Honeywell

  • Product No.: 621-1201

  • Condition:in Stock

  • Product Type: Digital Input Module

  • Product Origin: USA

  • Payment:T/T, Western Union

  • Weight: 550g

  • Shipping port: Shanghai/Yiwu/Shenzhen

  • Warranty: 12 months

Honeywell 621-1201 Digital Input Module

The Honeywell 621-1201 Digital Input Module is an isolated input module for Honeywell IPC 620 and IPC 621 control systems. It provides six individually isolated input channels for monitoring AC or DC field signals, combining electrical isolation, diagnostic capabilities, and fast signal updates in industrial control applications.

Input and Isolation Features

The module provides six independent isolated input channels for field signal acquisition. Channel isolation improves noise immunity and helps protect system electronics from field-side electrical disturbances.

Built-in diagnostics include real-time channel status monitoring and watchdog supervision for module health detection.

Technical Specifications

Parameter Specification
Model 621-1201
Brand Honeywell
Product Type Isolated Digital Input Module
System Compatibility IPC 620, IPC 621
Channels 6 Isolated Inputs
Rated Input Voltage 230 VAC/DC
Input Voltage Range 170 to 250 VAC/DC
Input Current 10 mA per Channel
Backplane Power Consumption Approx. 150 mA at 5 VDC
Total Power Consumption Approx. 4.5 W
Field-to-Logic Isolation 1500 VAC
Channel-to-Channel Isolation 500 V RMS
ON Response Time <= 20 ms
OFF Response Time <= 20 ms
Internal Update Rate Up to 1 ms
Diagnostics Channel Status Monitoring, Watchdog Detection
Operating Temperature 0 deg C to +60 deg C
Storage Temperature -20 deg C to +85 deg C
Humidity 5% to 95% RH, Non-Condensing
Dimensions 11.4 cm x 3.8 cm x 25.4 cm
Weight Approx. 0.55 kg

Frequently Asked Questions

Q: How many input channels does the 621-1201 provide?

A: The module provides six fully isolated digital input channels for monitoring AC or DC field signals.

Q: What isolation levels are supported?

A: The module provides 1500 VAC isolation between field signals and logic circuitry, with 500 V RMS channel-to-channel isolation.

Q: Is diagnostic monitoring available?

A: Yes. The 621-1201 includes channel status diagnostics and watchdog monitoring for module fault detection.

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