ICS Triplex T8000 Modules - T8901

Name: ICS Triplex T8000 Modules - T8901
Brand: ICS Triplex

Model: T8901

Brand ICS Triplex

Series T8000

Model T8901

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Product Details And Specifications

ICS Triplex T8000 Series Technical Notes

The Evolution of T8000 Architecture

The T8000 series was developed by ICS Triplex (later acquired by Rockwell Automation) as a successor to earlier TMR platforms, consolidating I/O, communication, and controller functions into a modular backplane-based chassis. Early T8000 deployments used dedicated serial fieldbus communication and proprietary backplane protocols. As industrial networking evolved, the platform incorporated support for HART, Modbus RTU, and later Profibus DP, enabling integration with modern field instrumentation without requiring full system replacement.

The architecture separates the controller (CPU) tier from the I/O tier, allowing individual I/O modules to be replaced or upgraded without taking the controller offline — a critical feature for facilities that cannot tolerate process interruption. Compatibility between T8000 generations is constrained by backplane revision and firmware version; mixing early-generation analog input modules with later-generation CPUs requires careful firmware alignment. Sites migrating from T8000 to Rockwell's later AADvance or Trusted platforms must account for signal wiring, marshalling cabinet layout, and application logic translation. The T8000 series is now classified as a mature/end-of-life platform by the OEM, making third-party spare parts sourcing the primary lifecycle extension strategy for existing installations.

T8000 Full Catalog & Functionalities (SKU List)

Controller / CPU Modules

T8110: TMR main processor module, primary controller for T8000 chassis
T8111: Enhanced TMR CPU with expanded memory and faster scan cycle
T8112: Redundant controller module, hot-standby configuration support

Digital Input Modules

T8831: 24 VDC digital input module, 16-channel, TMR-rated
T8832: 48 VDC digital input module, 16-channel, field-isolated
T8833: 120 VAC digital input module, 8-channel, high-voltage process signals

Digital Output Modules

T8851: 24 VDC digital output module, 8-channel, solid-state switching
T8852: Relay output module, 8-channel, dry contact for solenoid valve control

Digital I/O Modules

T8901: Combined digital input/output module, mixed-signal process interfacing

Analog Input Modules

T8431: 4–20 mA analog input module, 8-channel, HART-capable
T8432: Thermocouple input module, 8-channel, multi-type compensation
T8433: RTD input module, 8-channel, Pt100/Pt1000 compatible
T8451: High-density analog input, 16-channel, 4–20 mA with HART pass-through

Analog Output Modules

T8461: 4–20 mA analog output module, 8-channel, loop-powered
T8462: High-accuracy analog output, 8-channel, 16-bit resolution

Communication & Fieldbus Modules

T8151: Modbus RTU communication module, serial fieldbus gateway
T8152: Profibus DP communication adapter, master/slave configurable
T8153: HART multiplexer interface module, multi-drop field device management

Power Supply Modules

T8280: 24 VDC redundant power supply module, chassis-level power distribution
T8281: 48 VDC power supply module, high-current chassis variant

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