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SKU: T8271

ICS Triplex T8271 Trusted Fan Tray Cooling Module

The ICS Triplex T8271 Trusted Fan Tray powers the cooling strategy for Regent Control Systems. It utilizes high-velocity fans and real-time health monitoring to prevent hardware overheating. This hot-swappable module ensures continuous system uptime and extends the lifespan of critical PLC components in harsh environments.

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Product Overview

The ICS Triplex T8271 drives the thermal management strategy for the Trusted Controller platform. By circulating high-velocity air, this module actively regulates the internal temperature of processors and I/O modules. The T8271 eliminates thermal throttling and prevents hardware degradation. Consequently, this unit secures the high availability that safety-instrumented systems (SIS) and critical control applications demand.

Operational Features

  • Displaces High Air Volumes: Multiple industrial-grade fans drive a consistent airflow pattern across the chassis backplane to dissipate heat effectively.
  • Monitors Health in Real-Time: The unit integrates directly with the Trusted system bus to deliver immediate diagnostic feedback regarding fan speed, voltage levels, and thermal performance.
  • Supports Active Redundancy: The fault-tolerant architecture ensures that the system maintains safe operating temperatures even if a single fan fails.
  • Facilitates Hot-Swap Maintenance: The mechanical design allows technicians to remove and replace the tray while the controller remains energized, which removes the need for process shutdowns.
  • Shields Against Environmental Stress: The rugged construction withstands harsh industrial conditions, including extreme ambient heat and heavy dust concentrations common in power generation facilities.

Technical Specifications

  • Brand: ICS Triplex (Rockwell Automation)
  • Model Identifier: T8271
  • Product Series: Trusted Regent Control System
  • Module Category: PLC Cooling Accessory
  • Operating Power: 24 VDC (Supplied via Trusted chassis)
  • Dimensions: 14.5 cm x 30.0 cm x 4.5 cm
  • Net Weight: 2.34 kg
  • HS Classification: 8537101190
  • Country of Origin: USA
  • Safety Rating: Supports SIL-rated environments

Industrial Applications

The T8271 module anchors large-scale automation projects where system reliability remains a top priority. For this reason, engineers deploy this fan tray within emergency shutdown systems (ESD), fire and gas detection (F&G) units, and burner management systems (BMS). Because the unit maintains ideal operating temperatures, it extends the Mean Time Between Failures (MTBF) for the entire control suite and stabilizes long-term plant operations.

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ParameterSpecification
Model2094-BC01-M01-S
BrandAllen-Bradley
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Weight0.9 kg
Dimensions3.5 cm x 13 cm x 14.5 cm
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Power Consumption3.9 kW (Total)
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Frequently Asked Questions (FAQ)

Q: What are the primary communication requirements for the SERCOS interface on this module?A: The SERCOS interface requires fiber optic media configured in either linear or ring topologies; ensure that the fiber ends are polished and properly seated in the transceivers to maintain signal integrity and avoid communication latency.Q: Can the Safe Torque Off (STO) function be bypassed if not required by the application?A: The STO circuit must remain closed via the designated safety input terminals to enable drive operation; if the safety function is not utilized, you must jumper these inputs according to the installation manual to permit the pulse-width modulation (PWM) output to the motor.

Field Installation Guidelines

  • To begin with, ensure all primary power is disconnected and the DC bus capacitors have reached a discharge state before you mount the module onto the power rail; subsequently, verify that the rear-facing power connectors align correctly to prevent pin deformation.
  • Furthermore, terminate all motor feedback cables using the appropriate shielded connectors; in addition, ensure the shield drain wire connects to the designated ground lug to minimize electromagnetic interference (EMI).
  • When configuring the SERCOS ring, route fiber optic cables with a sufficient bend radius to prevent signal attenuation; meanwhile, label each fiber connection to identify the transmit (Tx) and receive (Rx) paths clearly.
  • Finally, verify the input voltage range (360-480 V AC) matches the site supply before you apply power; by doing so, you ensure the internal power conversion stage functions within rated limits.
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ParameterSpecification
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BrandAllen-Bradley
OriginUSA
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Operating Temp0 to +50 deg C (Standard Industrial Range)
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Industrial Control & Deterministic Driving Network

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Frequently Asked Questions

Q: What are the backplane current and configuration limits when expanding axis modules on a single rail?A: The module must be inserted into an authorized Kinetix 6000 power rail, supporting up to seven axis modules alongside one master power module. The cumulative peak current draw must not exceed the structural rating of the shared copper backplane link.Q: Is this hardware compatible with live hot-swapping procedures?A: No. The shared 650 VDC bus lines pose arc-flash and component damage hazards. System DC bus voltage must be entirely drained and verified below safe thresholds before seating or unseating the module from the rail structure.Q: Can the internal 115 Ohm shunt resistor handle high-inertia braking loads?A: The internal shunt resistor is designed for short-duration thermal dissipation. High-inertia or cyclic deceleration applications require an external, isolated shunt module to prevent DC bus overvoltage faults.

Field Installation Guidelines

  • Enclosure Clearance & Thermal Profile: Maintain a minimum enclosure installation depth of 10.7 inches. Ensure unimpeded vertical ventilation spacing above and below the module chassis to prevent heat sink thermal saturation.
  • Cable Separation Architecture: Physically isolate unshielded high-voltage power cables, including motor leads and shunt resistor lines, from low-level digital feedback encoder loops and communication wires to suppress cross-talk.
  • Shielding and Ground Boundary: Terminate all motor cable shields at the designated grounding clamp on the power rail base. Maintain a low-impedance ground plane across the entire mounting subpanel.
  • Overcurrent Protection: Install specified circuit breakers or high-speed semiconductor fuses upstream of the main power distribution block to guard the internal solid-state components against phase-to-phase short circuits.