



Introduction
The Honeywell 621-2200 is a precision analog I/O module designed for industrial process control and automation systems. It enables accurate interfacing between field devices such as sensors and actuators and Honeywell controllers or distributed control systems (DCS). Built for industrial reliability, the 621-2200 ensures stable signal conversion, high accuracy, and long-term durability, making it ideal for process monitoring, control loops, and data acquisition in demanding environments.
Technical Specifications
| Parameter | Specification |
|---|---|
| Module Type | Analog Input/Output Module |
| Model | 621-2200 |
| Signal Type | Analog input/output (voltage or current configurable) |
| Input Range | 0–10 V DC or 4–20 mA (system configurable) |
| Output Range | 0–10 V DC or 4–20 mA |
| Resolution | High-resolution analog conversion for precise measurement |
| Isolation | Electrically isolated inputs/outputs from system bus |
| Power Supply | 24 V DC via system backplane or dedicated supply |
| Operating Temperature | 0 °C to +55 °C |
| Storage Temperature | –20 °C to +70 °C |
| Humidity | 5–90% RH, non-condensing |
| Mounting | Rack or panel mounting compatible with Honeywell systems |
| Dimensions | 130 × 45 × 150 mm (H × W × D) (approximate) |
| Weight | ≈ 0.65 kg |
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