DS200SI0CG1AEA 16-Channel Configurable Digital Input/Output Module

Parameter Name
Parameter Value
Product Model
GE DS200SI0CG1AEA
Manufacturer
GE Industrial Systems (Now part of GE Vernova)
Product Type
16-Channel Configurable Digital Input/Output Module
Target System
GE Mark V Turbine Control System
Number of Channels
16 channels, software-configurable per channel
Input Mode
24-48 VDC, Sink or Source (configurable)
Output Mode
24-48 VDC, Sourcing (typically)
Output Current
Typically 0.5A per channel
Power Supply
Powered by the Mark V rack backplane
Isolation
Channel-to-channel and channel-to-system isolation
Status Indicators
LED per channel for status indication
Operating Temperature
0°C to +70°C (32°F to +158°F)
Mounting
Plugs into a slot in the Mark V rack assembly
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Description

Product Overview

The GE DS200SI0CG1AEA​ is a high-density, 16-channel digital input/output module designed for the GE Mark V gas and steam turbine control system. This module serves as a versatile interface between the Mark V controller and field devices, capable of being configured in software to function as either a digital input (DI) for reading contact statuses or a digital output (DO) for controlling solenoids and relays. The primary function of the GE DS200SI0CG1AEA​ is to provide a flexible and cost-effective solution for handling discrete (on/off) signals in the turbine control cabinet. As a configurable I/O module, it allows system integrators to optimize the control rack layout by using a single module type for various applications, reducing spare parts inventory and simplifying maintenance.
As an integral component of the robust Mark V system, the GE DS200SI0CG1AEA​ is engineered for reliability in the demanding environment of a power generation facility. When configured as an input, it monitors the state of critical field devices such as limit switches, pressure switches, and emergency stop buttons. When configured as an output, it provides the switching capability to actuate auxiliary devices like alarm annunciators, pilot lights, and small solenoid valves. The value of the GE DS200SI0CG1AEA​ lies in its flexibility, high channel density, and proven track record of reliability. Its deployment helps ensure the Mark V system can accurately monitor the turbine’s state and execute discrete control commands with high availability, contributing to the safe and efficient operation of the turbine-generator set.

Technical Specifications

Parameter Name
Parameter Value
Product Model
GE DS200SI0CG1AEA
Manufacturer
GE Industrial Systems (Now part of GE Vernova)
Product Type
16-Channel Configurable Digital Input/Output Module
Target System
GE Mark V Turbine Control System
Number of Channels
16 channels, software-configurable per channel
Input Mode
24-48 VDC, Sink or Source (configurable)
Output Mode
24-48 VDC, Sourcing (typically)
Output Current
Typically 0.5A per channel
Power Supply
Powered by the Mark V rack backplane
Isolation
Channel-to-channel and channel-to-system isolation
Status Indicators
LED per channel for status indication
Operating Temperature
0°C to +70°C (32°F to +158°F)
Mounting
Plugs into a slot in the Mark V rack assembly

DS200SIOCG1A

Main Functional Description

The GE DS200SI0CG1AEA​ delivers critical flexibility and performance through its software-configurable design. A core feature is the ability for each of its 16 channels to be individually configured via the Mark V toolset (ToolboxST) as either an input or an output. This eliminates the need for hardware jumpers or different module types, allowing for last-minute design changes and easy field modifications. When configured as an input, the channel can read the status of dry contacts or active field devices, providing data to the control logic for permissives and interlocks. When configured as an output, the channel can switch a 24-48 VDC load to control field devices directly.
Robustness and Diagnostic Capabilities: The module is designed with optical isolation between each channel and the internal logic, protecting the sensitive control system from voltage transients and noise present in the field wiring. Each channel features a bright LED indicator that provides immediate visual feedback on its state (ON/OFF), which is invaluable for troubleshooting and verifying system operation during commissioning and maintenance. The module’s design ensures reliable operation in the electrically noisy environment of a power plant, and its high channel density makes efficient use of valuable rack space. The configuration is stored securely within the Mark V system, ensuring that the module’s behavior is maintained even after a power cycle.

Application Areas

The GE DS200SI0CG1AEA​ is deployed in power generation facilities utilizing the GE Mark V turbine control system. Its primary application is in simple and combined-cycle power plants for controlling and monitoring auxiliary systems of GE Frame 5, 6, 7, and 9E gas turbines. When configured as an input, it is used to read signals from lube oil pressure switches, hydraulic system pressure switches, and valve position limit switches. When configured as an output, it controls auxiliary pumps, fan motors, alarm horns, and status indicators on the turbine control panel.
Furthermore, the module is used in steam turbine control applications and for turbine generators in mechanical drive applications. Its flexibility makes it ideal for applications where the exact mix of inputs and outputs may vary or change over time, such as in custom-engineered skids or for plant-wide annunciation systems. In all these applications, the GE DS200SI0CG1AEA​ provides a reliable and versatile interface that supports the continuous and safe operation of the turbine.

Related Products

  • •GE DS200SDCCG1AAA: A signal conditioning and distribution card that may interface with field wiring connected to the SIOC​ module.
  • •GE DS200PCCAG1ACB: The power supply and control card that provides regulated power and communication for the Mark V rack containing the SIOC​ module.
  • •GE DS200DCFG1BGB: A DC power feeder card that may supply power to the I/O modules.
  • •GE DS200TCEAG1ACB: A termination board assembly for interfacing field wiring.
  • •GE IS200DSFCG1A: A digital input module from the later Mark VI system, showing the evolution to dedicated function modules.

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