Isolated Analog Input 8ch Multi-Range | Honeywell 621-0022-RC

Product Overview

The Honeywell 621-0022-RC is an 8-channel isolated analog input module with removable (R) and CE (C) suffixes. It supports multiple voltage and current ranges including 0–20 mA and 4–20 mA, with per-channel calibration and selectable filtering.

Technical Specs

• Channels: 8 differential isolated inputs
• Ranges: 0–10 V, ±10 V, 0–5 V, ±5 V, 1–5 V, 0–20 mA, 4–20 mA
• Features: Adjustable span/zero, selectable filtering, fault reporting
• Suffix: R = removable under power, C = CE compliant
• System: Honeywell IPC / 620-9000 series

Key Features

• Full channel-to-channel isolation
• Wide range configurability
• Hot-swappable under power (R version)
• Onboard diagnostics and fault reporting

FAQ

• Channels? 8 isolated.
• Ranges? Multiple voltage and current options.
• Hot-swap? Yes (R suffix).

Installation Guide

1. Configure jumpers or switches for desired input ranges.
2. Install the module in the I/O chassis.
3. Wire field signals observing polarity and shielding.
4. Calibrate zero and span if required.
5. Verify readings and diagnostics after power-up.

Selection Tips

• Select for isolated high-level analog inputs.
• Confirm exact range configuration needed.
• Ideal spare for multi-range analog input applications.