Honeywell FC-TDOL-0724P Line-Monitored Digital Output FTA
The Honeywell FC-TDOL-0724P, also cataloged as the TDOL-0724P Line-Monitored Digital Output FTA, operates as a dedicated hardware component for 7-channel 24 VDC digital output execution within Honeywell Safety Manager system networks.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | FC-TDOL-0724P |
| Brand | Honeywell |
| Origin | Manufacturer Standard Facility |
| Weight | 2 kg (Shipping Weight) |
| Dimensions | Standard DIN-rail / cabinet mount profile |
| Operating Temp | Up to 70 deg C (fuse derating from 2 A at 25 deg C to 1.9 A at 70 deg C) |
| Power Consumption | 24 VDC ±20% output supply voltage |
| Number of Output Channels | 7 |
| Maximum Output Current per Channel | 2 A |
| Short-Circuit Detection Threshold | 200 Ω < R_Th < 400 Ω |
| Channel Fuse Rating | 2 A (5 × 20 mm, Littelfuse 0213002) |
| Conformal Coating | Yes (FC version) |
Process Control Signal Integration and Isolation Architecture
The module executes precise digital output control and line monitoring for final elements such as solenoid valves and actuators across safety instrumented systems. Channel-to-channel isolation safeguards internal controller backplanes against transient voltage spikes and inductive load kickback by utilizing integrated spark-suppression diodes. Furthermore, continuous circuit diagnostics and short-circuit detection thresholds actively supervise field wiring integrity without disrupting adjacent control loops.
Frequently Asked Questions
Q: What are the electrical rating and protection parameters for the output fuses?
A: Each of the seven channels is protected by a 2 A fuse (5 × 20 mm dimensions, Littelfuse part number 0213002) rated for 250 VAC and 300 VDC, subject to linear derating to 1.9 A at 70 deg C.
Q: How does the module handle short-circuit detection on the output channels?
A: The circuit continuously monitors field wiring, triggering fault diagnostics when load resistance falls within the specific short-circuit detection threshold of 200 Ω to 400 Ω.
Q: What power supply voltage is required to drive the output channels?
A: The output loops operate on a nominal 24 VDC supply voltage with a permissible tolerance range of ±20%.
Field Installation Guidelines
- Ensure that upstream 24 VDC power distribution is fully de-energized before mounting the termination assembly or servicing channel fuses to prevent electrical arcing.
- Mount the unit securely within the industrial control cabinet, ensuring proper ventilation space to accommodate ambient temperatures up to 70 deg C.
- Terminate inductive loads with appropriate spark-suppression diodes to protect switching components against high voltage transients.
- Verify that field wiring resistance complies with line monitoring thresholds and check fuse seating before initiating system loop checks.
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| Warranty | 12 Months |
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