Honeywell DC-TAOX11 Analog Output Module | Replacement, Equivalent & Selection Guide
The Honeywell DC-TAOX11 is a high-precision analog output module designed for the Experion PKS (Process Knowledge System) distributed control system platform. Engineered for continuous process industries, it delivers reliable 4–20 mA current loop outputs to field actuators, control valves, and variable-speed drives. This page provides procurement engineers with complete technical specifications, verified replacement options, system compatibility data, and a structured selection guide to support confident sourcing decisions.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | DC-TAOX11 |
| Manufacturer | Honeywell Process Solutions |
| Platform | Experion PKS / TotalPlant Solution (TPS) |
| Module Type | Analog Output (AO) |
| Output Channels | 8 channels (isolated) |
| Output Signal | 4–20 mA current loop |
| Output Resolution | 12-bit D/A conversion |
| Load Impedance | 0–750 Ω per channel |
| Accuracy | ±0.1% of full scale |
| Isolation | Channel-to-channel and channel-to-bus isolated |
| Power Supply | 24 VDC (supplied via backplane) |
| Operating Temperature | 0°C to +60°C |
| Storage Temperature | -40°C to +85°C |
| Humidity | 5%–95% RH, non-condensing |
| Dimensions (H × W × D) | Refer to Experion PKS module form factor |
| Weight | Approx. 1,500 g |
| Certifications | CE, UL, FM (Class I Div 2) |
| Communication Bus | C200 Controller backplane bus |
| Firmware Compatibility | Experion PKS R310 and above |
Compatible Replacement & Equivalent Models
When the DC-TAOX11 is discontinued, obsolete, or unavailable, the following models may serve as functional replacements depending on system revision and backplane compatibility. Always verify firmware version and I/O card slot compatibility before substitution.
| Model | Manufacturer | Channels | Signal Type | Compatibility Note |
|---|---|---|---|---|
| DC-TAOX11 | Honeywell | 8 AO | 4–20 mA | Original — direct fit |
| DC-TAOX21 | Honeywell | 8 AO | 4–20 mA + HART | Upgraded variant; HART-enabled; same backplane |
| MC-TAOX11 | Honeywell | 8 AO | 4–20 mA | Older TPS/TDC3000 platform; verify backplane revision |
| MC-TAOX22 | Honeywell | 8 AO | 4–20 mA + HART | TPS platform HART variant |
| 51304485-150 | Honeywell | 8 AO | 4–20 mA | Legacy TDC3000 equivalent; confirm slot type |
⚠ Replacement Note: Substitution must be validated against your Experion PKS system revision, C200/C300 controller firmware, and FTA (Field Termination Assembly) wiring. Konmask engineers can assist with compatibility verification — contact us before ordering.
Why Choose the Original Model
- Zero re-engineering risk — drop-in replacement with no configuration changes required in Experion Builder or Control Builder.
- Guaranteed backplane compatibility — designed specifically for the C200/C300 controller chassis; no adapter or firmware patch needed.
- Proven field reliability — widely deployed in refining, petrochemical, power generation, and pharmaceutical DCS installations worldwide.
- Full Honeywell support lifecycle — original part numbers remain serviceable under Honeywell’s extended support programs.
- Regulatory compliance — maintains FM Class I Div 2 and CE certification integrity for hazardous-area installations.
Typical Applications
- Control valve positioner setpoint output in refinery distillation columns
- Variable-speed drive (VSD/VFD) speed reference signals in compressor control loops
- Boiler feedwater control in power generation plants
- Reactor temperature and pressure setpoint transmission in chemical processing
- Dosing pump control in water treatment and pharmaceutical batch processes
- Furnace burner management systems requiring precise 4–20 mA output
System Compatibility
| DCS Platform | Controller | Compatibility |
|---|---|---|
| Experion PKS R310+ | C200 / C200E | ✅ Full compatibility |
| Experion PKS R400+ | C300 | ✅ Full compatibility |
| Experion PKS R500+ | C300 / ACE | ✅ Full compatibility |
| TotalPlant Solution (TPS) | PM / HPM | ⚠ Verify FTA and backplane revision |
| TDC 3000 | PM / HPM | ❌ Not compatible — use MC-TAOX11 |
| Safety Manager (SM) | — | ❌ Not applicable — safety-rated AO required |
Selection Guide
Use the following decision framework to confirm the correct analog output module for your Experion PKS system:
Step 1 — Identify your DCS platform revision
Confirm Experion PKS release (R310, R400, R500, etc.) from your system documentation or Honeywell eSupport portal.
Step 2 — Confirm controller type
C200/C200E → DC-TAOX11 is the standard AO module.
C300 → DC-TAOX11 or DC-TAOX21 (if HART diagnostics are required).
Step 3 — Determine HART requirement
If field devices support HART and you require remote diagnostics or valve signature testing, select DC-TAOX21 instead.
If standard 4–20 mA without HART is sufficient, DC-TAOX11 is the correct choice.
Step 4 — Verify FTA (Field Termination Assembly)
Confirm the FTA model paired with the module (e.g., FC-FTAM02, FC-FTAM04). Mismatched FTAs will prevent correct channel wiring.
Step 5 — Check channel count
DC-TAOX11 provides 8 isolated AO channels. If your loop count exceeds 8, plan for additional module slots in the chassis.
Quality Assurance & Sourcing
- Authentic sourcing — all DC-TAOX11 units at Konmask.com are sourced from authorized distributors, certified resellers, or verified industrial surplus with full traceability documentation.
- Pre-shipment inspection — every module undergoes visual inspection, label verification, and functional power-on check before dispatch.
- Counterfeit prevention — we cross-reference serial numbers and firmware revision labels against Honeywell’s known-good database where applicable.
- Packaging integrity — ESD-safe anti-static packaging with moisture barrier bags and shock-absorbing foam inserts for international freight.
- Documentation available — test reports, certificates of conformance (CoC), and packing lists provided on request.
How to Order
- Confirm part number: DC-TAOX11 and quantity required.
- Provide your Experion PKS platform revision and controller type for compatibility verification.
- Submit your RFQ via the product page, or contact us directly at support@konmask.com.
- Receive quotation with lead time, unit price (HKD/USD), and shipping options within 1 business day.
- Upon order confirmation, we issue a proforma invoice and arrange ESD-safe international shipment via DHL / FedEx / SF Express.
Replacement & Compatibility FAQ
Q: Can DC-TAOX11 replace MC-TAOX11 directly?
A: Not directly. DC-TAOX11 is designed for the Experion PKS (C200/C300) backplane, while MC-TAOX11 is for the older TPS/TDC3000 platform. Physical connectors and bus protocols differ. Consult Honeywell migration documentation before substituting.
Q: Is DC-TAOX21 a drop-in replacement for DC-TAOX11?
A: Yes, in most cases. DC-TAOX21 is the HART-enabled variant of the same module family and uses the same backplane slot. However, verify that your FTA and Control Builder configuration support HART to avoid alarm conditions.
Q: What FTA is required for DC-TAOX11?
A: Typically FC-FTAM02 (marshalled) or FC-FTAM04 (direct). Confirm against your I/O assignment drawing and Honeywell system design documentation.
Q: Can this module be used in SIL-rated safety loops?
A: No. DC-TAOX11 is a standard (non-safety) analog output module. For SIL 1/2 applications, Honeywell Safety Manager with certified AO modules is required.
Q: Do you provide warranty on DC-TAOX11 units?
A: Yes. Konmask.com provides a 90-day functional warranty on all modules. Extended warranty options are available — contact us for details.
Q: What is the typical lead time?
A: In-stock units ship within 3–5 business days internationally. For out-of-stock items, lead time is 2–4 weeks depending on sourcing channel.
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