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Original TRICONEX PS8310 Power Supply Spare is a power supply module (Model 8310N) for the Tricon Triple Modular Redundant (TMR) safety system, providing 6.5 VDC at up to 27 A to power the main, expansion, or RXM chassis. Each Tricon chassis is powered by two independent redundant power supplies, each capable of supplying the full chassis power requirement, so the system continues operating without interruption if one module fails. The module accepts 120 VAC or VDC input, includes built-in diagnostics for out-of-range voltage and over-temperature conditions with LED indication, and is a critical spare part for ESD and safety instrumented systems in oil, gas, chemical, and power plants.
Product Datasheet
- Brand: Triconex
- Model: PS8310 (Model 8310N)
- Product Name: Redundant Power Supply Module
- System: Tricon TMR safety system (main, expansion, RXM chassis)
- Input: 120 VAC/VDC (85–140 VAC @ 47–63 Hz; 95–180 VDC)
- Output Voltage: 6.5 VDC ±1%
- Output Current: 27 A max (at 60 °C ambient)
- Output Power: 175 W (at 60 °C ambient)
- Redundancy: Two modules per chassis, each capable of full chassis power
- Diagnostics: Out-of-range voltage and over-temperature detection with LEDs
- Fuse: 5 A, time-delay
Fault Troubleshooting and Common Questions
- The module produces no output voltage. Check the input supply wiring, fusing, and seating in the chassis. Verify the input voltage is within the 8310N’s rated range (85–140 VAC or 95–180 VDC) and that the module’s diagnostic LEDs indicate normal operation.
- The system reports a power supply fault. Check the module’s diagnostic LEDs for out-of-range voltage or over-temperature indication. Verify the ambient temperature and chassis airflow, and confirm the input supply is stable.
- Redundancy is lost or the system runs on one module. Check the failed module’s diagnostics and seating. With the system powered per approved procedures, identify the faulty module and replace it to restore redundant operation.
- Can the PS8310 replace another Triconex power supply module? Not without verification. Compare the model number (8310N vs 8311N), input voltage rating, output characteristics, hardware revision, and chassis compatibility before replacement.
Safety Precautions
- Isolate input power and follow lockout/tagout procedures before removing or installing the module.
- Use electrostatic discharge protection when handling electronic assemblies.
- Verify the input voltage rating matches the supply (120V vs 24V versions) before energizing.
- Do not bypass safety functions during maintenance; follow approved SIS procedures.
- Use qualified personnel for troubleshooting and maintenance in operating safety systems.
Frequently Asked Questions
Q1: What is the TRICONEX PS8310? It is a redundant power supply module (Model 8310N) for the Tricon TMR safety system, providing 6.5 VDC power to the chassis.
Q2: What input voltage does the module accept? The 8310N accepts 120 VAC or VDC input (85–140 VAC @ 47–63 Hz; 95–180 VDC).
Q3: What are the output specifications? It provides 6.5 VDC ±1% at up to 27 A, with an output power of 175 W at 60 °C ambient.
Q4: How does redundancy work? Each Tricon chassis is powered by two independent power supplies, each capable of supplying the full chassis power requirement, allowing uninterrupted operation if one module fails.
Q5: What should be checked before purchase? Verify the model label, model number (8310N vs 8311N), input voltage rating, hardware revision, condition, and chassis compatibility with the specific Tricon configuration.
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