IS200JPDMG1ACC S1AT005 | GE Electric Generator contact monitor input module
Product Description:
The IS200JPDMG1ACC S1AT005 is a Generator Contact Monitor Input Module designed by GE for its Mark VIe series Speedtronic turbine control systems. Its primary function is to monitor the status of critical generator contacts (such as generator circuit breaker auxiliary contacts, field breaker status, or synchronizing check relays) and provide this essential state information (Open/Closed) as high-integrity digital inputs to the Mark VIe controller. This input is vital for the control system to execute protective sequencing, initiate safety shutdowns, and manage synchronization operations reliably and safely.
Product Parameters / Specifications:
Parameter Category
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Specification
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Notes
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Manufacturer
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GE (General Electric)
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Series
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Mark VIe Family (Speedtronic Turbine Controls)
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Part of the EX2100/Mark VIe platform
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Module Type
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Generator Contact Monitor Input Module
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Digital Input Module for critical signals
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Part Number
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IS200JPDMG1ACC
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Base Part Number
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Revision / Variant
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S1AT005
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Specific hardware revision/batch code
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Primary Function
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Monitor status of Generator Main & Field Breakers
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Detects Open/Closed state
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Input Type
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High Integrity Digital Input
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Designed for critical safety signals
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Input Channels
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Typically 2 channels per module
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Monitors Main Breaker & Field Breaker
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Input Voltage Sensing
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Designed for Dry Contact Status (e.g., 48-125 VDC)
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Isolates & reads auxiliary contact state
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Isolation
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High Voltage Isolation (Channel-to-Channel & Channel-to-Logic)
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Essential for safety and noise immunity
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Mounting
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VME-type Card (DIN Rail Mountable via Carrier)
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Installs in Mark VIe I/O Pack
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Compatibility
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Mark VIe Controllers (e.g., EX2100e)
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Interfaces via backplane
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Communications
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Via Mark VIe I/O Pack Backplane (VME)
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To controller (e.g., EX2100e)
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Diagnostics
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On-board Diagnostics & Status LEDs
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Module health, channel status
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Safety Role
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Critical Input for Turbine Protection (Turbine Shutdown)
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Triggers protective actions on contact state change
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Series: This module belongs to GE’s Mark VIe family of turbine and process control systems. It is specifically designed for use within the Mark VIe platform’s I/O architecture.
Key Features:
- Critical State Monitoring: Dedicated to monitoring the vital Open/Closed status of generator main and field breaker auxiliary contacts.
- High Integrity Design: Engineered for reliability and safety-critical applications within turbine control.
- Electrical Isolation: Provides high voltage isolation between input channels and between inputs and the logic circuitry.
- Diagnostic Capabilities: Includes on-board diagnostics and LED indicators for fault detection and channel status.
- DIN Rail Mountable (via Carrier): Modules typically plug into a carrier board that mounts on standard DIN rails within the Mark VIe I/O Pack enclosure.
- Designed for Harsh Environments: Built to withstand typical industrial power generation conditions (temperature, vibration, EMI).
- Backplane Communication: Integrates seamlessly with the Mark VIe controller via the VME-style backplane.
Function/Role: The core function of the IS200JPDMG1ACC module is to acquire the high-integrity status signals (Open/Closed) from critical generator contacts and transmit this status reliably to the Mark VIe controller. It acts as the critical sensory input point for the control system regarding the generator’s main power connection and field circuit status.
Purpose/Use: This module is essential for protecting the turbine generator set. By providing accurate and reliable breaker status, it enables the Mark VIe control system to:
- Initiate Protective Shutdowns: Trigger a turbine trip if critical breakers open unexpectedly during operation (e.g., generator lockout).
- Manage Synchronization: Confirm the generator breaker is open before initiating the synchronization sequence and verify closure upon synchronization.
- Control Sequencing: Enable or inhibit specific control sequences (like excitation application) based on breaker states.
- Provide Operational Status: Display accurate breaker status to operators on control system HMIs.
Application Fields / Industries:
- Power Generation (Primary Domain):
- Gas Turbine Power Plants
- Steam Turbine Power Plants
- Combined Cycle Power Plants (CCPP)
- Industrial Energy: Plants utilizing large GE turbine-generators for on-site power/cogeneration.
- Marine Propulsion: Ships using GE gas turbines for propulsion (where Mark VIe controls are applied).
- Oil & Gas: Pipeline compression stations using turbine drives controlled by Mark VIe systems.
- Heavy Industry: Facilities with large mechanical drives powered by turbines under Mark VIe control.
- Research & Test Facilities: Testing turbines and generators utilizing GE control systems.
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