Honeywell MC-TDOR22 51309150-175 Digital Output Relay Module
The Honeywell MC-TDOR22 (51309150-175) digital output relay module provides direct physical/electrical execution for discrete control switching within Distributed Control Systems (DCS).
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | MC-TDOR22 |
| Brand | Honeywell |
| Part Number | 51309150-175 |
| Origin | Global Manufacturing Facility |
| Weight | 0.5 kg |
| Dimensions | 10.8 cm x 6.7 cm x 8.4 cm |
| Operating Temp | 0 deg C to 55 deg C |
| Power Consumption | Standard DCS rack-powered draw |
| Relay Outputs | 16 discrete relay output channels |
| Supported Devices | Solenoids, valves, indicators, and alarms |
4-20 mA HART Loop Protocol & Channel Isolation
The module interfaces with control loop networks, supporting auxiliary 4-20 mA HART loop protocol architectures and discrete actuator switching circuits. Built-in channel-to-channel isolation safeguards internal control processors from inductive kickback and ground loop faults originating across external relay loads, while cold junction compensation (CJC) preserves measurement stability across neighboring analog instrumentation.
Frequently Asked Questions
Q: Can the MC-TDOR22 module be hot-swapped while the DCS rack is powered?
A: Yes. The module features a hot-swappable design permitting live replacement and maintenance without shutting down the entire rack backplane.
Q: How do the relay outputs protect against external electrical faults?
A: Galvanic isolation and robust relay switching barriers isolate control electronics from high-voltage transients generated by inductive field actuators.
Field Installation Guidelines
- Enclosure Mounting: Insert the module securely into the designated slot of the standard Honeywell DCS rack or control cabinet housing.
- Wiring & Grounding: Route output control wiring separately from low-level signal lines, terminating shield drains firmly to the cabinet grounding bar.
- Terminal Verification: Inspect all field wiring terminations and verify correct relay load ratings prior to energizing system outputs.
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| Condition | 100% New with Original Package |
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| Shipping Port | ShangHai, Xiamen |
| Warranty | 12 Months |
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| A: Yes, we collaborate with over 50 countries worldwide. As a top supplier in China, we offer significant discounts based on market trends. |
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| A: All our new and original products come with a standard one-year warranty. |
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