Product Description
The Honeywell MC-TDOY22 (51204162-175) is a 32-point digital output processor module designed for high-reliability distributed control systems. It provides open-collector (current-sinking) outputs, delivering fast and consistent switching performance for industrial applications.
This module is available in two variants: MU-TDOY22 (uncoated) and MC-TDOY22 (coated) for harsh environments. Moreover, it supports galvanic isolation to protect against voltage surges and ground noise, ensuring safe and stable operation in critical control environments.
Functional Highlights
The MC-TDOY22 delivers dependable output control, compact design, and robust electrical isolation—ideal for process automation and power systems.
| Feature | Details |
|---|---|
| Output Channels | 32 open-collector outputs (NPN) |
| Load Voltage Range | 15 – 30 Vdc |
| Load Current Capacity | 0.5 A per point (max), 1.0 A per 2 points, 5 A per 32 points |
| Isolation Method | Galvanic isolation via photo coupler |
| Voltage Isolation Rating | 30 Vac, ±42.4 Vdc max |
| Turn-On/Off Time | ≤ 200 ms |
| Surge Protection | ANSI/IEEE C37.90.1-1978 compliant |
| Fuse Type | 1.6 A, 125 V (5.5 × 17.2 mm) |
| Fuse Grouping | 1 fuse per 2 points (MU-TDOY22), 1 per 8 points (MU-TDOY62) |
In addition, onboard fusing and efficient sinking transistor outputs reduce maintenance while extending system uptime.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model Number | MC-TDOY22 (Coated) / MU-TDOY22 (Uncoated) |
| Product Type | 32-Point Digital Output Processor |
| Output Type | Open-collector, NPN transistor |
| Load Voltage Range | 15 – 30 Vdc |
| On-State Voltage Drop | ≤ 0.5 V at 0.5 A load |
| Off-State Voltage | ≤ 30 Vdc |
| Off-State Leakage Current | ≤ 0.5 µA |
| Fuse Rating | 1.6 A @ 125 V |
| Environmental Protection | Optional coating for high-humidity or corrosive areas |
Therefore, the MC-TDOY22 offers flexible deployment in both cleanroom and industrial-grade environments, supporting long-term system integrity.
System Integration Applications
The MC-TDOY22 is optimized for Honeywell DCS and safety systems, offering smooth integration with I/O field termination assemblies (FTAs) such as MU-TDOY22.
Typical Applications Include:
- Power generation control panels
- Oil & gas process systems
- Water treatment and utility automation
- Chemical and pharmaceutical plant control
- Manufacturing line sequencing and interlocks
For instance, it is frequently installed to control actuators, solenoids, and relay outputs in distributed control cabinets.
Details
| Weight | 0.55 kg |
|---|
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