Honeywell FC-TPSU-2430 DC/DC Power Converter
The Honeywell FC-TPSU-2430, also cataloged as the FC-TPSU-2430 DC/DC Power Converter, operates as a dedicated hardware component for 24 VDC to 30 VDC field power conversion within Honeywell Safety Manager system networks.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | FC-TPSU-2430 |
| Brand | Honeywell |
| Origin | Manufacturer Standard Facility |
| Weight | 0.99 lbs (0.45 kg) |
| Dimensions | 150 × 70 × 62.3 mm (Module profile: 2 cm × 19 cm × 12.8 cm max envelope) |
| Operating Temp | -5 deg C to +70 deg C (Storage: -40 deg C to +85 deg C) |
| Power Consumption | Up to 90% conversion efficiency (> 75% under rated load) |
| Nominal Input Voltage | 24 VDC (Acceptable range: 18 to 36 VDC) |
| Output Voltage | 30 VDC ±0.25 V (Regulated output up to 1 A) |
| Output Protection | Short-circuit proof (Short-circuit current < 3.3 A, Overvoltage protection at 33 V) |
| Isolation | 2000 VAC for 1 min (Input-to-Output, Input-to-Relay, and Output-to-Relay) |
| Mounting Type | DIN rail mounting (TS32 / TS35 × 7.5) |
Channel Isolation and Field Power Regulation Architecture
The converter executes isolated power transformation across industrial loops, ensuring a regulated 30 VDC output for field termination assemblies while maintaining rigorous galvanic isolation barriers of 2000 VAC. Channel-to-channel and bus isolation provisions prevent common-mode voltage propagation and ground faults from affecting downstream safety instrumentation. Furthermore, integrated overvoltage protection, short-circuit current limiting (< 3.3 A), and readback relay contacts (36 VDC / 40 mA) actively supervise operational status without compromising SIL 3 safety integrity.
Frequently Asked Questions
Q: What are the input voltage operating limits and output rating for the FC-TPSU-2430?
A: The unit accepts an input voltage range of 18 to 36 VDC (nominal 24 VDC) and delivers a regulated output of 30 VDC ±0.25 V at up to 1 A.
Q: What protection features are integrated into the output stage?
A: The output stage incorporates short-circuit proofing with a current limit below 3.3 A, overvoltage protection clamped at 33 V, and a 3.15 A (5 × 20 mm) internal fuse.
Q: What isolation ratings apply to the internal circuitry?
A: The unit provides 2000 VAC isolation for 1 minute across input-to-output, input-to-relay contact, and output-to-relay contact boundaries.
Field Installation Guidelines
- Ensure that all system power distribution lines are fully de-energized before mounting or dismounting the converter on the DIN rail to prevent electrical arcing.
- Secure the module onto a compatible TS32 or TS35 × 7.5 DIN rail, allowing adequate vertical clearance for natural convection cooling across the operating temperature span up to 70 deg C.
- Terminate input and output wiring securely, verifying that input voltage stays within the 18 to 36 VDC operational window before powering up.
- Connect readback alarm and monitoring circuits according to designated terminal layouts to maintain proper fault supervision across safety loops.
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| Shipping Port | ShangHai, Xiamen |
| Warranty | 12 Months |
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