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- Overview
- Specifications
- Description
- Applications
- Troubleshooting Guide
- FAQ
- Recommended Products
Overview
Place of Origin: |
USA |
Brand Name: |
HONEYWELL |
Model Number: |
FTA-T-02 |
Packaging Details: |
Original new Factory Sealed |
Delivery Time: |
5-7 days |
Payment Terms: |
T/T |
Supply Ability: |
In stock |
Specifications
|
Model: |
FTA-T-02 |
|
Product Type: |
Fail-Safe Digital Output Module |
|
Dimensions: |
14.5 × 7 × 5.7 cm |
|
Weight: |
0.20 kg |
|
Approvals: |
CE; UL |
|
Output Channels: |
24 (6 groups of 4) |
|
Maximum Voltage: |
36 VAC / 50 VDC (IEC 1010 Cat. III) / 125 VAC / 150 VDC (IEC 1010 Cat. II) |
|
Maximum Continuous Current per Channel: |
2 A |
|
DIN Rail Type: |
TS32 / TS35 × 7.5 |
|
Used Rail Length: |
14.6 cm (5.75 in) |
|
Termination: |
Screw terminals (max 2.5 mm² / AWG 14; strip length 7 mm; torque 0.5 Nm) |
Description
The Honeywell FTA-T-02 is a fail-safe Digital Output Module used for Safety Instrumented Systems (SIS) and Emergency Shutdown (ESD) systems, certified for high-risk industrial environments. It ensures that output channels automatically switch to a pre-defined safe state during system power loss, communication failure, or internal hardware faults.
Applications
LNG plant: Used in emergency shutdown valve systems to rapidly isolate pipelines during gas leaks or overpressure, preventing secondary explosions.
Oil refinery: Controls critical relief valves and pump start/stop in catalytic and hydroprocessing units for safety interlock protection.
Large chemical plant: Provides highly reliable output interlocks for isolation valves in hazardous chemical reactors.
Thermal power plant: Applied in turbine trip and boiler safety systems for overspeed and overtemperature protection.
Offshore platform: Ensures stable isolated control for SIS actuators under high salt spray and extreme vibration conditions.
Troubleshooting Guide
Channel Failure / No Output: Check the group power distribution. Since channels are organized in 6 groups of 4, a complete group failure indicates a shared power or isolation fault.
Overheating / Contact Degradation: Verify that the continuous current per channel does not exceed the 2 A limit, which can cause thermal damage to the internal traces.
Intermittent Signals: Inspect the terminal strip length. Ensure the field wires are stripped to exactly 0.7 cm and securely seated.
FAQ
Q: What are the output channel count and grouping of FTA-T-02?
A: 24 channels, divided into 6 groups of 4 channels each.
Q: What are the maximum AC and DC voltages of FTA-T-02?
A: Cat. III: 36 VAC / 50 VDC; Cat. II: 125 VAC / 150 VDC.
Q: What is the maximum continuous current per channel of FTA-T-02?
A: 2 A.
Q: How much DIN rail space does FTA-T-02 occupy?
A: 14.6 cm (5.75 in.).
Q: What are the terminal wiring specifications and torque of FTA-T-02?
A: Maximum 2.5 mm² (AWG 14), strip length 7 mm, torque 0.5 Nm.
