Honeywell 621-2200R Relay Digital Output Module

Product Overview

The Honeywell 621-2200R is a high-performance relay-based digital output module designed for IPC 621 programmable controllers. It delivers reliable discrete output control, making it ideal for industrial automation systems where precision and durability are crucial. Moreover, its robust construction ensures stable operation even in challenging environments, including oil & gas, chemical processing, and power generation facilities. This module effectively manages multiple actuators, relays, solenoids, and lamps while maintaining electrical isolation and operational safety.

Key Features

• 16 relay-driven digital output channels capable of switching higher loads.

• Relay isolation protects system components from electrical noise and surges.

• Diagnostic LEDs provide real-time monitoring and facilitate rapid troubleshooting.

• Compact industrial design with high durability for harsh operational conditions.

• Supports both 24 VDC and 120 VAC output configurations, offering flexible deployment.

• Easy integration with Honeywell IPC 621 and DCS systems for seamless automation control.

Technical Specifications

• Channels: 16 relay output channels

• Signal Type: Discrete (on/off)

• Output Voltage Range: Typically 24 VDC / 120 VAC

• Output Current Capacity: Up to 2 A per channel

• Isolation: Relay isolation between channels and system bus

• Power Supply: 24 VDC via IPC 621 backplane

• Current Consumption: ~300–400 mA

• Operating Temperature: 0°C to +60°C

• Storage Temperature: -40°C to +85°C

• Humidity Range: 5% to 95% RH, non-condensing

• Dimensions: 27.4 × 17.1 × 3.3 cm

• Weight: 0.9 kg

Typical Applications

• Controlling solenoids, relays, lamps, and contactors in automated manufacturing lines.

• Actuating valves and motors in oil & gas or chemical processing systems.

• Integrating with distributed control systems for reliable process automation.

• Protecting critical devices through isolated relay outputs in high-noise environments.

FAQ

Q: Can the 621-2200R switch both AC and DC loads?
A: Yes, the module supports relay configurations for 24 VDC and 120 VAC outputs.

Q: How is the module integrated with IPC 621 controllers?
A: It installs directly on the IPC 621 backplane and communicates seamlessly with the DCS system.

Q: What protection features are included?
A: Relay isolation minimizes electrical noise interference, and diagnostic LEDs allow quick status verification.

Q: What operating conditions can it tolerate?
A: It works reliably from 0°C to +60°C and 5% to 95% non-condensing humidity.