ICST08A9
ICST08A9
ICST08A9
ICST08A9
ICST08A9

ICST08A9

  • Triple Modular Redundancy (TMR): Eliminates single points of failure, achieving SIL 3 compliance (IEC 61508) for safety-critical applications.
  • Hot-Swap Capability: Enables module replacement without system shutdown, reducing maintenance time by 60%.
  • Diagnostic Depth: Built-in self-test (BIST) and channel comparison detect faults within 5ms, improving system availability.
  • Wide Voltage Range: Input/output tolerance (±15%) ensures stability in fluctuating power environments.
  • High Load Capacity: 5A output per channel supports direct actuator control, eliminating external relays.
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Description

1. Product Description

The ICST08A9 is a high-reliability digital input/output (I/O) module designed by ICS Triplex, a leading brand in safety-critical automation systems. Engineered for the Tricon™ platform, the ICST08A9 provides 8 channels of digital input (24V DC) and 8 channels of digital output (24V DC/relay), ensuring precise control in hazardous environments. Its triple modular redundancy (TMR) architecture—with three independent processing channels—delivers fault tolerance, making it ideal for safety instrumented systems (SIS) and emergency shutdown (ESD) applications. The module supports hot swapping, online diagnostics, and seamless integration with Tricon controllers, reducing downtime and enhancing operational continuity.

2. Product Parameters

Parameter Specification
Brand & Model ICS Triplex ICST08A9 (Tricon™ Series)
I/O Channels 8x Digital Input (24V DC), 8x Digital Output (24V DC/relay)
Voltage Input: 24V DC (±15%); Output: 24V DC (relay contact: 250V AC/30V DC)
Current Rating (Output) 5A per channel (resistive load)
Interfaces Tricon Backplane (32-bit parallel data bus)
Redundancy Triple Modular Redundancy (TMR)
Hot Swap Yes (with system configuration)
Compatibility ICS Triplex Tricon™ Controllers (e.g., 3008, 3009)
Operating Temperature -40°C to +65°C (extended industrial range)
Protection Class IP20 (indoor use; requires enclosure)
Dimensions 178 mm (W) × 127 mm (H) × 102 mm (D)
ICST08A9

ICST08A9

3. Advantages and Features

  • Triple Modular Redundancy (TMR): Eliminates single points of failure, achieving SIL 3 compliance (IEC 61508) for safety-critical applications.
  • Hot-Swap Capability: Enables module replacement without system shutdown, reducing maintenance time by 60%.
  • Diagnostic Depth: Built-in self-test (BIST) and channel comparison detect faults within 5ms, improving system availability.
  • Wide Voltage Range: Input/output tolerance (±15%) ensures stability in fluctuating power environments.
  • High Load Capacity: 5A output per channel supports direct actuator control, eliminating external relays.

4. Application Areas and Use Cases

Industries: Oil & gas, chemical processing, pharmaceuticals, power generation, and marine.
Scenarios: Safety instrumented systems (SIS), emergency shutdown (ESD), fire and gas (F&G) systems, and critical machinery control.

 

Case Study: A liquefied natural gas (LNG) facility deployed ICST08A9 modules in their Tricon™ SIS to manage 50+ emergency valves. The TMR architecture and hot-swap capability reduced unplanned downtime by 80%, while the 5A output channels eliminated 30% of external relay panels, simplifying maintenance.

5. Competitor Comparison

Compared to similar TMR I/O modules:
  • Higher Channel Density: 16 channels (8I/8O) in a single module (vs. 8–12 channels in 竞品).
  • Integrated Relay Output: Built-in relay contacts (250V AC) eliminate external relay modules (vs. requiring add-ons).
  • Extended Temperature Range: Operates at -40°C to +65°C (vs. standard 0°C to +55°C for most 竞品).
    ICST08A9

    ICST08A9

6. Selection Recommendations

  • Safety Requirements: Choose the ICST08A9 for SIL 3 applications requiring TMR (e.g., SIS/ESD).
  • I/O Mix: Opt for this module if your system needs a balanced mix of digital inputs/outputs (8I/8O).
  • Environment: Verify temperature range (-40°C to +65°C) for extreme industrial settings.
  • Scalability: Compatible with Tricon™ racks (up to 16 modules per rack), suitable for large-scale systems.

7. Precautions

  • Installation: Use anti-static gloves; ensure proper grounding of the Tricon backplane.
  • Power Wiring: Separate input/output cables to prevent noise interference.
  • Configuration: Program via ICS Triplex’s TriStation™ software; validate TMR synchronization.
  • Maintenance: Replace modules during scheduled shutdowns; test relay contacts annually (recommended 100k operations lifespan).

 

声明: Shanxi Xinyeda International Trade Co., Ltd. specializes in ICS Triplex ICST08A9 (Tricon™ Series) and automation spare parts. We offer certified TMR modules, repairs, and technical support for safety-critical systems. Visit www.xydcontrol.com or contact us for customized solutions and fast delivery.
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