Description
GE IS200EMIOH1ACA – Multi-Function Mixed I/O Module for GE Mark VIe DCS
Product Description
The GE IS200EMIOH1ACA is a versatile multi-function mixed I/O module exclusively engineered for GE’s Mark VIe Distributed Control System (DCS), designed to integrate analog, digital, and auxiliary I/O functions in a single compact unit for mission-critical industrial applications. As a one-stop I/O solution in the Mark VIe ecosystem, the GE IS200EMIOH1ACA caters to power generation, oil and gas, and heavy manufacturing sectors, where diverse signal processing (from sensor data to actuator control) and space efficiency are paramount. Engineered with industrial ruggedness, balanced channel configuration, and seamless Mark VIe integration at its core, the GE IS200EMIOH1ACA adheres to strict global safety and performance standards, making it ideal for mixed-signal workflows such as turbine auxiliary control, boiler monitoring, and refinery process lines. What sets the GE IS200EMIOH1ACA apart from single-type I/O modules is its hybrid analog-digital design, consistent precision across channels, and tailored compatibility with Mark VIe backplanes and control software. Whether deployed as a primary I/O module in compact DCS cabinets or as a supplementary unit for mixed-signal tasks, the GE IS200EMIOH1ACA provides a cost-effective, space-saving solution for integrated I/O control in GE’s flagship DCS platform.
Product Parameters
- Module Type: Multi-function mixed I/O module, exclusive to GE Mark VIe Distributed Control System (DCS)
- Channel Configuration: 8 analog input channels + 16 digital input channels + 8 digital output channels, optimized for mixed-signal industrial workflows
- Analog Input Specifications: 4-20 mA / ±10 VDC configurable inputs, 16-bit resolution; compatible with temperature sensors, pressure transmitters, and flow transducers
- Digital Input Specifications: 24 VDC sinking/sourcing inputs, input response time < 500 µs; compatible with limit switches, proximity sensors, and safety interlocks
- Digital Output Specifications: 24 VDC solid-state (MOSFET) outputs, 0.5 A per channel, 4 A maximum per module; short-circuit and thermal protected
- DCS Compatibility: Fully compatible with GE Mark VIe controllers, I/O racks (IS200IRTDH1B), backplane power supplies (IS200BPPBH2B), and software (ToolboxST, CIMPLICITY)
- Operating Temperature Range: -40°C to 70°C (-40°F to 158°F), resilient to extreme industrial temperature fluctuations
- Power Consumption: 3.2 W (typical) at 24 VDC input, 3.9 W (max), energy-efficient for 24/7 continuous operation
- Physical Dimensions: 130 mm × 80 mm × 110 mm (5.12 in × 3.15 in × 4.33 in), rack-mountable in GE Mark VIe standard I/O cabinets
- Certifications: UL 508, CE, IEC 61131-2, ATEX (Zone 2), IEEE 1613, and IEC 62443 compliant, meeting global safety and cybersecurity standards
- Operating Humidity: 5% – 95% (non-condensing), adaptable to humid industrial settings
- Protection Features: Built-in ESD protection (±10 kV contact, ±15 kV air), surge protection (±2 kV) for analog inputs, channel-to-channel isolation (250 VAC)
- Diagnostic Capabilities: Channel-level fault detection, analog signal drift monitoring, digital open/short circuit alerts, and LED indicators for module and channel health
- MTBF: Exceeds 210,000 hours, ensuring long-term reliability in mission-critical DCS applications
- Signal Conditioning: Integrated low-pass filtering for analog channels to reduce electromagnetic interference (EMI) from industrial machinery
Advantages and Features
- All-in-One Mixed I/O Design: The GE IS200EMIOH1ACA combines analog and digital I/O in a single module, eliminating the need for separate analog and digital units, reducing Mark VIe I/O rack space by up to 40% and lowering overall hardware costs.
- Consistent Precision Across Channels: 16-bit resolution for analog inputs ensures accurate measurement of critical process parameters, while < 500 µs digital input response delivers real-time visibility of discrete device status—maintaining performance integrity across mixed-signal workflows.
- Flexible Industrial Compatibility: The module works seamlessly with a wide range of industrial sensors and actuators, from 4-20 mA pressure transmitters to 24 VDC solenoid valves, adapting to diverse application needs without custom adapters.
- Seamless Mark VIe Integration: Plug-and-play compatibility with Mark VIe’s ToolboxST software enables intuitive configuration of analog ranges, digital logic, and diagnostic rules, streamlining deployment and reducing engineering workload.
- Rugged for Harsh Environments: Wide operating temperature range, EMI shielding, and robust protection features ensure stable performance in high-vibration, high-interference industrial settings such as power plant turbine halls and refinery process areas.
- Simplified Troubleshooting: Channel-level diagnostics and dedicated LED indicators allow for quick identification of faulty sensors or outputs, minimizing downtime for mixed-signal control systems where pinpointing issues is often complex.
Application Cases in Application Fields
- Gas Turbine Auxiliary Control: A global energy provider deployed the GE IS200EMIOH1ACA in its combined-cycle gas turbine plants, using the analog channels to monitor lube oil temperature and pressure, digital inputs to track valve position switches, and digital outputs to control cooling fans. The mixed I/O design reduced the number of modules in the auxiliary control rack by 35%, simplifying wiring and maintenance.
- Boiler Mixed-Signal Monitoring: A coal-fired power plant integrated the GE IS200EMIOH1ACA into its boiler control DCS, leveraging analog inputs for steam pressure and temperature, digital inputs for safety interlock status, and digital outputs for soot blower activation. The module’s signal conditioning minimized interference from boiler electrical systems, reducing false alarms by 28%.
- Petrochemical Refinery Process Control: A multinational oil company used the GE IS200EMIOH1ACA in its distillation unit, configuring analog channels for flow rate sensors, digital inputs for pump status switches, and digital outputs for control valve actuation. The hybrid design enabled centralized monitoring of mixed process signals, improving batch consistency by 22%.
- Wind Turbine Farm Auxiliary Systems: A renewable energy company adopted the GE IS200EMIOH1ACA for its wind turbine auxiliary control, using analog channels to measure wind speed and gearbox temperature, digital inputs to monitor brake status, and digital outputs to activate nacelle cooling systems. The rugged design withstood offshore weather conditions, ensuring 99.9% auxiliary system uptime.
Comparisons with Competing Products
| Feature | GE IS200EMIOH1ACA | Competitor DB (Mark VIe Compatible Mixed I/O Module) | Competitor DC (Industrial Mixed I/O Module) |
|---|---|---|---|
| Channel Configuration | 8 analog + 16 digital in + 8 digital out | 6 analog + 12 digital in + 6 digital out | 8 analog + 12 digital in + 6 digital out |
| Analog Resolution | 16-bit | 14-bit | 16-bit |
| Input Response Time (Digital) | < 500 µs | ~2 ms | ~1 ms |
| Operating Temperature | -40°C to 70°C | 0°C to 60°C | -20°C to 65°C |
| Protection Features | ESD + surge + isolation | Basic ESD (±8 kV) | ESD + short-circuit |
| Power Consumption (Typical) | 3.2 W | 3.4 W | 3.3 W |
The GE IS200EMIOH1ACA outperforms competitors in channel density, analog precision, response speed, and environmental resilience. While Competitor DC matches analog resolution, it lacks the digital channel count and full Mark VIe integration of the GE module, making the GE IS200EMIOH1ACA the superior choice for mixed I/O control in GE Mark VIe DCS systems.
Selection Suggestions and Precautions
Selection Suggestions
- Align with GE Mark VIe Ecosystem: Prioritize the GE IS200EMIOH1ACA if your system uses GE’s Mark VIe DCS, ensuring seamless compatibility with existing controllers, racks, and software tools like ToolboxST for channel configuration.
- Mixed-Signal Industrial Workflows: Choose this module for applications requiring both analog parameter monitoring and digital device control (e.g., turbine auxiliaries, boiler systems, refinery processes), as its hybrid design optimizes rack space and reduces hardware complexity.
- Space-Constrained DCS Cabinets: Opt for the GE IS200EMIOH1ACA for compact control cabinets, as it replaces multiple single-type modules with one integrated unit, freeing up space for other critical components.
- Harsh Industrial Environments: Select this module for deployments in extreme temperatures or high-interference settings, leveraging its rugged design and EMI shielding to maintain reliable performance.
Precautions
- Channel Configuration Matching: Use GE ToolboxST to set analog input ranges (4-20 mA / ±10 VDC) and digital input/output types (sinking/sourcing) to match connected devices, avoiding mismatches that could cause signal errors or module damage.
- Load Capacity Management: Do not exceed the 0.5 A per digital output channel and 4 A per module limits, especially for high-cycle actuators like valves and pumps, as overloading can trigger thermal protection.
- Wiring Best Practices: Use shielded twisted-pair cables for analog wiring to minimize EMI, separate analog and digital cables, and ensure proper grounding to maximize the module’s isolation features and signal integrity.
- Static Protection: Use anti-static wristbands when handling the GE IS200EMIOH1ACA during installation, as electrostatic discharge can damage the module’s precision analog circuitry and digital I/O components.
- Regular Calibration & Checks: Periodically calibrate analog input channels to maintain 16-bit precision, and verify digital channel functionality via the Mark VIe DCS diagnostic interface, especially for safety-critical signals.

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