Description
The
DS200TCTLG1A is a
high-reliability trip control module designed by
General Electric (GE) for its
Mark V Speedtronic turbine control systems. This module is engineered to monitor critical parameters and initiate protective shutdowns in gas/steam turbines, ensuring safe operation in power generation, oil & gas, and industrial automation environments. Built with
triple modular redundancy (TMR) architecture, the
DS200TCTLG1A minimizes downtime risks by cross-verifying signals from three independent channels.
Parameter |
Specification |
Manufacturer |
General Electric (GE) |
Series |
Mark V DS200 |
Function |
Turbine trip logic and relay control |
Redundancy |
Triple modular redundant (TMR) |
Voltage |
140V AC (or 90–180V AC/24V DC variant) |
Current Handling |
5A max |
Operating Temperature |
-40°C to +70°C |
Connectors |
3×50-pin (JLX, JLY, JLZ), 2×12-pin (JM, JN) |
Relays |
20 plug-in relays with wire retention |

- Fault Tolerance: TMR design ensures system continuity even if one channel fails, reducing failure rates by 60% compared to simplex systems.
- Modular Design: Supports field replacement of individual relays without full system shutdown.
- Wide Temperature Range: Operates in extreme conditions, making it suitable for offshore and high-altitude installations.
- EMI Protection: Shielded housing prevents signal interference in electrically noisy environments.
- Power Generation: Trip activation for steam turbines during overspeed events.
- Oil & Gas: Emergency shutdown systems for offshore platforms.
- Industrial Machinery: Protecting large compressors from overpressure.
Case Study: A North American power plant reduced unplanned outages by 35% using the DS200TCTLG1A to implement predictive trip logic for 12 gas turbines.
Compared to standard trip modules:
- Higher Redundancy: TMR vs. dual-channel systems in most alternatives.
- Faster Response Time: 10ms trip activation vs. typical 15ms.
- Easier Maintenance: Hot-swap relay replacement without system downtime.

- System Compatibility: Confirm integration with GE Mark V or Mark VI systems.
- Voltage Requirements: Verify input voltage (140V AC or variant) matches site infrastructure.
- Redundancy Needs: Opt for TMR configurations in critical applications requiring zero downtime.
- ESD Safety: Use anti-static gloves and storage bags during handling.
- Relay Replacement: Follow GE’s procedure to avoid damage to connector pins.
- Firmware Updates: Regularly update firmware to address known vulnerabilities.
Shanxi Xinyeda International Trade Co., Ltd. is your reliable partner. We provide sales and technical support for
DS200TCTLG1A and other automation spare parts. Please visit our website
www.xydcontrol.com or contact us, and we will be happy to serve you.
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