Honeywell 621-4350R PLC 5VTTL Input Module — industrial automation module front view

Honeywell 621-4350R — front panel with LED indicators

Honeywell 621-4350R — backplane connector side

Honeywell 621-4350R — PCB board detail

Honeywell

Honeywell 621-4350R PLC 5VTTL Input Module

SKU: 621-4350R In Stock

Honeywell

Genuine Honeywell 621-4350R. Input Module. Factory-tested, 48h burn-in. 12-month warranty. Ships within 24h.

Technical Specifications

621-4350R	is a PLC 5V TTL Input Module designed for Honeywell 620 series programmable logic controllers. It provides reliable digital input signal acquisition for automation systems, ensuring accurate monitoring and integration of TTL-level devices into industrial control platforms.
Manufacturer:	Honeywell
Product No.:	621-4350R
Type:	PLC 5V TTL Digital Input Module
Number of Channels:	32 digital inputs
Input Signal Type:	TTL (Transistor-Transistor Logic) at 5 Vdc
System Compatibility:	Honeywell 620 series PLC systems
Dimensions:	Approx. 119 × 69 × 30 mm (standard rack size)
Weight:	~0.25 kg
Operating Temperature:	0 °C to 60 °C (32 °F to 140 °F)
Mounting:	Rack-mounted with backplane bus interface
Warranty:	12 months
High-Density Input:	32 TTL channels for compact signal acquisition.
Reliable Monitoring:	Ensures accurate detection of low-voltage digital signals.
Compact Design:	Small footprint for efficient rack installation.
Seamless Integration:	Compatible with Honeywell 620 series PLC backplanes.
Industrial Durability:	Built for continuous operation in demanding environments.
Low Power Consumption:	Optimized for efficient system performance.
Lifecycle Support:	Long-term availability for Honeywell legacy PLC systems.
Manufacturer	Honeywell
Model / SKU	621-4350R

Request a Quote — 621-4350R

Ships within 24 hours | 12-Month Warranty | Worldwide Delivery

Category: cpu main processors safety systems obsolete discontinued all plc systems digital i o modules hmi displays honeywell racks backplanes terminal condition monitoring

Honeywell 621-4350R

Honeywell 621-4350R PLC 5VTTL Input Module. Input Module. Genuine Honeywell. Live-rack tested, 48h burn-in. 12-month warranty. Ships within 24h.

Compatible Parts — Same System

These modules share the same system family as the 621-4350R. Commonly ordered together for complete rack builds or spare parts kits.

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