The Honeywell 621-6575RC is a high-density 32-point digital output module designed for Honeywell UCN, IPC, and Logic Manager control platforms. It provides 24 VDC source outputs, enabling reliable control of a large number of field devices such as solenoids, relays, valves, and indicator systems.
As an RC (removable) version, this module supports hot-swap functionality, allowing replacement or maintenance without shutting down the control rack—critical for continuous industrial processes. It is widely used in legacy Honeywell DCS/PLC systems where scalability, uptime, and proven reliability are essential.
Technical Specifications
| Specification Item | Details |
|---|---|
| Model | 621-6575RC |
| Module Type | Digital Output Module |
| Output Channels | 32 points |
| Output Type | 24 VDC Source Output |
| Nominal Voltage | 24 VDC |
| Voltage Range | 18 – 28 VDC |
| Output Current | 0.5 A per channel |
| Group Current | 3.5 A per 8 outputs / 7 A per 16 outputs |
| Surge Current | 2 A per channel (10 ms non-repetitive) |
| Output Configuration | 32 outputs (grouped commons) |
| Off-State Leakage Current | ≤ 6 mA (typical) |
| On-State Voltage Drop | ≈ 1.7 V at 0.5 A |
| Protection | Overcurrent protection with fault indication |
| Field Power Requirement | ≈ 470 mA typical |
| Isolation | Channel/group isolation (industrial standard) |
| Mounting | Rack / PLC backplane |
| Dimensions (W × H × D) | 170 mm × 270 mm × 40 mm (class reference) |
| Weight | ≈ 0.60 kg |
| System Compatibility | Honeywell UCN / IPC / Logic Manager |
Core electrical parameters based on industrial module specifications.
Recommended Related Models
- Honeywell 621-6575 – Standard (non-removable) output module
- Honeywell 621-6550RC – 16-point DC output module
- Honeywell 621-2175 – 32-point AC output module
- Honeywell 621-2150RC – 16-point AC output module
- Honeywell 621-4500 – 12–24 VDC digital input module
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