ICS Triplex T9881 8‑Channel Simplex Isolated Analogue Output Termination Assembly

Technical Specifications

  1. Mechanical Specifications
    • Form Factor: AADvance standard termination assembly (compatible with T9300 3‑slot backplanes)
    • Dimensions: 112 mm (width) × 70 mm (depth) × 123 mm (height) (4.41 in × 2.76 in × 4.84 in)
    • Weight: 1.0 kg (2.2 lb)
    • Mounting: Plug‑in to T9300 backplanes; tool‑free installation
    • Protection Rating: IP20 (dust and finger contact protection)
    • Housing Material: Powder‑coated metal alloy with flame‑retardant polymer insulators
    • Color: Black (matches AADvance controller chassis)
    • Connector Type: Locking screw‑type terminal blocks (2.5 mm² wire capacity)
    • Fuse Access: Front‑panel accessible without removing module or termination assembly
Category:
Description
  1. Electrical Specifications
    • Nominal Output Compatibility: 4–20 mA current, ±10 V voltage (via T9481 module)
    • Channel Configuration: 8 isolated simplex channels (channel‑to‑channel isolation)
    • Channel Fusing: 50 mA fast‑acting replaceable fuses (part number: T9901, pack of 20)
    • Max Output Current per Channel: 25 mA (continuous), 50 mA (peak, 10 ms)
    • Power Distribution Paths: Dedicated power bus for simplex operation
    • Common Bus Current Capacity: 1.0 A (max) per power path
    • Backplane Power Input: 18–32 VDC
    • Backplane Current Draw: 100 mA (max)
    • Power Consumption: 2.4 W (max)
    • Heat Dissipation: 8.2 BTU/hour
    • Isolation: Channel‑to‑channel isolation: 500 VDC; channel‑to‑chassis isolation: 500 VDC
  2. Environmental Specifications
    • Operating Temperature: -20°C to +70°C (-4°F to 158°F)
    • Storage Temperature: -40°C to +85°C (-40°F to 185°F)
    • Relative Humidity: 10%–95% (non‑condensing)
    • Vibration Resistance: Compliant with IEC 60068‑2‑6 (2 g, 10–150 Hz)
    • Shock Resistance: Compliant with IEC 60068‑2‑27 (15 g, 11 ms duration)
    • EMI/RFI Immunity: Compliant with EN 61000‑6‑2 (industrial immunity) and EN 61000‑6‑4 (industrial emissions)
    • Altitude: Up to 2000 m (6562 ft) without derating
  3. Compliance & Compatibility
    • Compliance: CE marked; UL listed for industrial control equipment; IEC 61508 SIL 3 certified (single‑channel, when paired with T9481)
    • System Compatibility: AADvance controller systems; T9100 processor base units; T9300 3‑slot backplanes; T9481 simplex isolated analogue output modules
    • Configuration Support: AADvance Engineering Tool (v4.0+) for diagnostic monitoring
    • Redundancy Support: Simplex (non‑redundant) configuration only
    • Regulatory Approvals: RoHS compliant; compliant with ANSI/ISA 84.00.01 safety standards
  4. Performance Specifications
    • Channel Response Time: <1 ms (module signal to field output, dependent on T9481)
    • Fault Detection: Fuse blow detection; open/short circuit monitoring (via connected T9481 module)
    • Fuse Type: 50 mA fast‑acting for overcurrent protection
    • Fuse Replacement: Accessible without removing termination assembly or paired module
    • Channel Isolation: 500 VDC between channels and channel‑to‑chassis for signal integrity and noise immunity

Functional Features

  1. 8 Simplex Isolated Channels: Provides channel‑to‑channel electrical isolation (500 VDC) to eliminate cross‑talk and protect against ground loops in simplex applications.
  2. SIL 3 Compliance Support: Enables single‑channel IEC 61508 SIL 3 certification when paired with T9481 simplex isolated modules.
  3. 50 mA Channel Fusing: Protects modules and field devices from overcurrent damage with replaceable T9901 fuses.
  4. Dedicated Power Distribution Paths: Delivers 24 VDC (18–32 VDC range) via dedicated buses to support simplex module operation and fault tolerance.
  5. Plug‑and‑Play Installation: Mounts quickly to T9300 backplanes without specialized tools for fast deployment.
  6. Field Wiring Consolidation: Reduces wiring complexity by terminating multiple field actuators in a single assembly.
  7. Front‑Panel Fuse Access: Allows fuse replacement without removing the termination assembly or paired module.
  8. Diagnostic Integration: Works with T9481 modules to report open/short circuits and fuse failures via AADvance Engineering Tool.
  9. IP20 Protection: Maintains dust and finger contact protection during operation and maintenance.
  10. EMI/RFI Immunity: Shields signals from electromagnetic interference for reliable data transmission in harsh industrial environments.
  11. RoHS Compliance: Meets environmental standards for hazardous substance restrictions.
  12. AADvance System Compatibility: Integrates seamlessly with T9300 backplanes and T9100 processors for end‑to‑end system functionality.

Application Scenarios

  1. Oil & Gas Wellhead Control Valve Actuation: Terminates wiring for 8 control valve positioners in wellhead control panels, using channel isolation to eliminate ground loops and support SIL 3 safety loops for flow regulation and emergency shutdown (ESD).
  2. Chemical Plant Reactor Feed Rate Control: Interfaces wiring for variable frequency drives (VFDs) controlling reactor feed pumps, centralizing 8 isolated feedback signals to simplify loop testing and maintenance in hazardous process areas.
  3. Power Generation Boiler Combustion Control: Connects wiring to air/fuel ratio control actuators, ensuring fast signal transfer for precise combustion tuning in steam generation systems with zero single‑point failure risk.
  4. Pharmaceutical Batch Process Mixer Speed Control: Terminates wiring for mixer speed controllers in FDA‑compliant facilities, using isolated channels to maintain signal accuracy and data integrity in validated processes.
  5. Marine Offshore FPSO Process Control: Consolidates wiring for 8 flow control valves in harsh marine environments, with a rugged housing that withstands saltwater mist and vibration while isolating signals from electrical noise.
  6. Mining Slurry Pipeline Flow Regulation: Interfaces wiring for slurry flow control actuators, protecting modules from overcurrent via channel fuses and ensuring reliable safety monitoring in explosive and high‑vibration mining operations.

Additional Information

  • Origin: United States
  • Warranty: 12‑month warranty for new original units; extended support via Rockwell Automation service contracts
  • Compatibility: AADvance controller systems, T9300 backplanes, T9100 processors, T9481 simplex isolated analogue output modules, AADvance Engineering Tool (v4.0+)
  • Installation: Plug into T9300 backplane; wire field devices to terminal blocks; configure diagnostics via AADvance Engineering Tool
  • Maintenance: Replace blown T9901 fuses as needed; inspect terminals quarterly for tightness; clean housing to maintain IP20 protection
  • Accessories: T9901 50 mA replacement fuses (pack of 20); terminal block labels for channel identification
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