Product Details
The Honeywell DC-TAIX51, also cataloged as the DC-TAIX51 Analog Input Baseboard Module, operates as a dedicated hardware component for multichannel analog voltage and current signal conditioning within Honeywell Experion PKS DCS platforms. Accepting dual voltage (0-5 V, 0-10 V) and current (4-20 mA) field inputs, the module executes analog-to-digital processing with ±0.5% full-scale accuracy and a response time under 100 ms. Built-in protective limiting delivers entity parameters of Uo = 25.2 V, Io = 114.13 mA, and Po = 712.7 mW, supporting field deployments rated for Class I, Div 2 hazardous locations.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | DC-TAIX51 |
| Brand | Honeywell |
| Origin | USA |
| Operating Temp | -20 to +60 deg C |
| Power Consumption | 712.7 mW Output Power (Po) Max |
| Input Signal Types | 0-5 V, 0-10 V, 4-20 mA |
| Accuracy | ±0.5% of full scale |
| Response Time | <100 ms |
| Isolation Voltage | 500 V AC channel-to-system |
| Humidity Range | 0% to 95% RH (non-condensing) |
| Entity Parameters | Uo = 25.2 V, Io = 114.13 mA, Po = 712.7 mW |
| Hazardous Area Rating | Class I, Div 2 |
4-20 mA HART Loop Protocol
The DC-TAIX51 baseboard module maintains transparent signal pathways for 4-20 mA HART loop protocol communications across process automation channels. The onboard signal conditioning circuitry decouples AC-superimposed FSK digital signals from the primary 4-20 mA analog value without attenuation, allowing real-time transmission of secondary process variables and field device diagnostics to the system backplane. Channel-to-system galvanic isolation rated at 500 V AC prevents ground loops from corrupting digital HART data frames.
Frequently Asked Questions
Q: What mechanisms prevent channel damage from field overvoltage conditions?
A: Integrated overvoltage and short-circuit protection circuits clamp incoming signal spikes and limit fault current levels across all input channels.
Q: Is the DC-TAIX51 approved for installation directly in hazardous locations?
A: The board is certified for installation in Class I, Div 2 environments when mounted inside an enclosure meeting site-specific IP/NEMA requirements.
Q: How does channel-to-system isolation protect downstream control electronics?
A: Galvanic barriers rated to 500 V AC isolate field input wiring from the internal backplane logic, suppressing common-mode transients and ground potential differences.
Field Installation Guidelines
- De-energize system power feeds before mounting or wiring the DC-TAIX51 baseboard assembly into the chassis slot.
- Secure the module onto the enclosure rack or mounting assembly, ensuring grounding clips make solid contact with the cabinet earth frame.
- Route 4-20 mA loop and 0-10 V/0-5 V signal lines through separate cable channels, keeping them isolated from high-voltage AC distribution wiring.
- Terminate signal cable shields at a single chassis earth grounding point to prevent circulating ground currents.
- Verify that field instrument loop entity parameters align with the Uo (25.2 V), Io (114.13 mA), and Po (712.7 mW) limits prior to powering the circuit.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
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