Product Details
Configured for safety-critical digital switching in industrial control platforms, the Honeywell FTA-T-08 (FTA-T-08) Field Termination Assembly provides direct physical execution of 4-channel relay-based outputs. The assembly operates with a nominal input voltage of 24 V DC, facilitating secure load switching through fused, high-capacity relay contacts designed for demanding signal processing environments.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | FTA-T-08 |
| Brand | Honeywell |
| Dimensions | Standard FTA rack format |
| Operating Temp | Consult system technical manual |
| Power Consumption | ~50 mA at 24 V |
| Output Channels | 4 channels |
| Switched Voltage | 250 V AC / 150 V DC |
Fail-safe State Execution
The FTA-T-08 assembly is engineered to facilitate fail-safe state execution, ensuring that in the event of a control system loss or logic fault, the relay outputs transition to a pre-defined safe state. The integration of 3.15 AT slow-acting fuses per channel provides circuit protection against overcurrent conditions, preventing potential damage to the relay contact assembly. This architecture ensures that safety-critical signals remain isolated and deterministic, protecting the downstream process equipment from erroneous state transitions.
Frequently Asked Questions
Q: Can this module be hot-swapped while the field loop is powered?
A: No. Disconnect all field power and control signals before extracting or inserting the FTA-T-08 assembly to prevent arcing and ensure the safety of the backplane logic.
Q: What is the maximum switching frequency allowed for the output relays?
A: The maximum switched frequency is 20 Hz. Exceeding this rate will accelerate contact degradation and compromise the electrical life expectancy of the relays.
Field Installation Guidelines
- Mounting: Ensure the assembly is securely mounted within the designated cabinet space, allowing sufficient clearance for heat dissipation and cable management.
- Shielding: Use shielded multi-core cables for all digital output signals. The shield must be connected to the system common ground at the entry point to minimize electromagnetic interference.
- Fuse Maintenance: Ensure only 5x20 mm or 5x25 mm slow-acting (3.15 AT) fuses are used for replacement. Verify the fuse rating during each periodic safety check to ensure continued circuit protection.
- Cable Routing: Route output power lines away from sensitive low-level analog signal cabling to prevent inductive coupling and signal crosstalk.
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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