Process Control & DCS Analog Output Solution – Honeywell MC-TAOY22 | TotalPlant Solution Series
Where This Product Is Used
The Honeywell MC-TAOY22 Analog Output Module (P/N 51204172-175) is a field-proven I/O module deployed across the most demanding continuous-process industries. Engineers specify this module wherever precise 4–20 mA analog command signals must be delivered reliably to final control elements:
- Oil & Gas Refineries — Control valve positioners on crude distillation columns, hydrotreaters, and compressor anti-surge loops.
- Chemical & Petrochemical Plants — Reactor temperature and pressure setpoint transmission to I/P transducers and smart valve actuators.
- Power Generation — Boiler feedwater control, turbine governor setpoint output, and burner management trim signals.
- Pulp & Paper Mills — Stock consistency control, headbox pressure regulation, and dryer section steam control.
- Pharmaceutical Manufacturing — Bioreactor agitation speed, fermentation temperature, and clean-steam pressure control under FDA 21 CFR Part 11 environments.
- Water & Wastewater Treatment — Variable-speed drive (VSD) setpoint output for pump stations and aeration blowers.
- LNG & Offshore Platforms — Safety-instrumented system (SIS) interface and ESD valve control in hazardous-area cabinets.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 51204172-175 |
| Model | MC-TAOY22 |
| Manufacturer | Honeywell Process Solutions |
| Series / Platform | TotalPlant Solution (TPS) / Experion PKS |
| Module Type | Analog Output (AO) |
| Output Signal | 4–20 mA (current loop) |
| Number of Channels | 2 isolated analog output channels |
| Output Resolution | 12-bit D/A conversion |
| Load Drive Capability | Up to 750 Ω per channel |
| Isolation | Channel-to-channel and channel-to-bus galvanic isolation |
| Operating Voltage | 24 VDC (supplied via backplane) |
| Operating Temperature | 0 °C to +60 °C |
| Humidity | 5% to 95% RH, non-condensing |
| Form Factor | Single-slot I/O module, TPS/Experion card cage compatible |
| Weight | Approx. 300 g |
| Country of Origin | USA |
Why Engineers Specify This Model
- Drop-in Replacement — Direct hardware and firmware compatibility with existing TPS and Experion PKS card cages; no re-engineering required.
- Galvanic Channel Isolation — Eliminates ground loops and protects the DCS backplane from field-side faults, critical in multi-vendor field device environments.
- High-Resolution 12-bit Output — Delivers smooth, stable analog commands to HART-enabled smart positioners and I/P transducers.
- Proven MTBF — Honeywell’s industrial-grade components are rated for continuous 24/7 operation in harsh plant environments.
- Minimal Downtime on Replacement — Hot-swap capable within the TPS architecture; module swap can be performed during scheduled maintenance windows without full system shutdown.
- Long Product Lifecycle Support — Honeywell maintains spare parts availability for legacy TPS platforms, making this module a reliable long-term investment.
Complete System Bill of Materials
For a complete analog output loop using the MC-TAOY22, engineers typically source the following complementary components:
- Honeywell TPS Card Cage / Experion PKS I/O Chassis
- Honeywell MC-TAOY22 Analog Output Module (this item)
- Honeywell FTA (Field Termination Assembly) — compatible FTA for AO channels
- HART-compatible smart valve positioner (e.g., Fisher DVC6200, Emerson)
- I/P Transducer (if pneumatic actuator is used)
- 24 VDC loop power supply (if externally powered loop)
- Shielded twisted-pair field cable (per ISA-5.1 wiring standard)
Contact support@konmask.com for bundle pricing on multi-module orders.
Compliance & Industry Standards
- CE Marking — Compliant with EU Machinery and EMC Directives
- UL Listed — Recognized for industrial control equipment
- ISA-5.1 — Instrumentation Symbols and Identification standard compliance
- IEC 61511 / IEC 61508 — Compatible with functional safety system architectures (SIL-rated loop design)
- RoHS Compliant — Restriction of Hazardous Substances
- ATEX / IECEx — Suitable for use in associated apparatus configurations for Zone 1/Zone 2 hazardous areas (verify with project SIL assessment)
Quality Assurance & Sourcing
At Konmask.com, every Honeywell module undergoes a rigorous intake process before listing:
- Visual inspection for physical damage, corrosion, and connector integrity
- Firmware version verification against Honeywell’s published compatibility matrix
- Functional bench test where applicable
- Anti-static packaging with humidity indicator cards for safe international shipping
- Full traceability documentation available on request (batch records, test reports)
We source directly from decommissioned plant upgrades, authorized distributors, and certified surplus channels — never from unverified grey-market sources.
How to Source This Part
- Add to Cart — Click Buy Now for immediate checkout, or Add to Cart to continue shopping for complementary modules.
- Request a Quote — For orders of 2+ units or project BOM requirements, email support@konmask.com for volume pricing.
- Expedited Shipping — DHL Express, FedEx International Priority, and UPS Worldwide available. Most orders ship within 1–2 business days from Hong Kong.
- Export Documentation — Commercial invoice, packing list, and certificate of origin provided for all international shipments. ECCN classification available on request.
Application-Specific FAQ
Q: Is the MC-TAOY22 compatible with both TPS and Experion PKS platforms?
A: Yes. The MC-TAOY22 is designed for Honeywell’s TotalPlant Solution (TPS) architecture and is also backward-compatible with Experion PKS migration projects using legacy I/O card cages.
Q: Can this module drive HART devices directly?
A: The MC-TAOY22 provides a standard 4–20 mA analog output. HART communication is superimposed on the 4–20 mA loop by the field device; the module supports HART pass-through when used with a compatible FTA and Honeywell’s HART multiplexer.
Q: What is the lead time for this part?
A: Units listed as “In Stock” ship within 1–2 business days. For out-of-stock inquiries, contact us — we maintain an active sourcing network for Honeywell TPS legacy parts.
Q: Do you provide a warranty?
A: Yes. All modules sold by Konmask.com carry a 90-day functional warranty. Extended warranty options are available for project-critical applications.
Q: Can I return the module if it doesn’t fit my system?
A: We accept returns within 30 days for unused modules in original packaging. Please contact support@konmask.com before initiating a return.
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