Product Details
The Honeywell DC-TAOX51, also cataloged as the DC-TAOX51 Analog Output Module, operates as a dedicated hardware component for analog signal generation and loop control execution within Honeywell Experion PKS DCS backplane architectures. Interfacing directly with internal chassis connectors, the card converts digital control commands from the main processor into continuous analog current/voltage outputs to drive field actuators, positioners, and control valves. The module maintains galvanic isolation across backplane bus paths to preserve signal accuracy and eliminate ground loop interference.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | DC-TAOX51 |
| Brand | Honeywell |
| Origin | USA |
| Weight | 0.10 kg (0.22 lbs) |
| Dimensions | 2.2 cm x 12.4 cm x 12.6 cm |
| Operating Temp | 0 to 60 deg C |
| Power Consumption | Passive Logic / Powered via System Backplane |
| Product Type | Analog Output Module |
| Module Form Factor | Chassis Backplane Card Assembly |
| System Compatibility | Honeywell Experion PKS Chassis |
Channel-to-Channel Isolation
The DC-TAOX51 incorporates channel-to-channel isolation networks alongside dedicated galvanic barriers to prevent high common-mode voltages from propagating across output channels. By decoupling individual loop grounds from the internal backplane bus, the module maintains continuous 4-20 mA current regulation even under field electrical fault conditions, suppressing potential ground loops and cross-channel signal crosstalk across dense control rack configurations.
Frequently Asked Questions
Q: Does the DC-TAOX51 module support hot-swapping during active system operation?
A: Removal or insertion of the module requires de-energizing the target backplane slot or placing the associated control loop into manual mode to avoid output signal bumps during backplane bus reconnection.
Q: How is current loop power supplied to field output devices?
A: Depending on system baseplate configuration, output loops are powered either via an internal isolated 24 VDC backplane bus or an external field power distribution assembly.
Q: What mechanisms protect the output channels against external wiring faults?
A: Integrated current-limiting resistors and transient voltage suppression diodes shield internal driver circuits against accidental short circuits and voltage surges on field wiring lines.
Field Installation Guidelines
- Ensure target rack slot power is isolated prior to inserting or removing the module card.
- Align the circuit board edges with the backplane slot guides inside the chassis enclosure.
- Slide the assembly firmly into the card slot until the backplane edge connector fully seats.
- Tighten captive faceplate retention screws to secure the module against operational vibration.
- Verify that field wiring shield grounds terminate at a single cabinet earth ground bar to avoid ground loops.
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.
Tech & Buying Guide
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