IS220UCSAH1A | GE Electric Controller Synchronization Module
Product Description
The IS220UCSAH1A is a Controller Synchronization Module from GE’s Mark VIe Speedtronic series. It enables high-reliability synchronization between redundant Mark VIe controllers and I/O packs, ensuring fault-tolerant control for critical industrial processes.
Product Parameters / Specifications
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Parameter Category
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Specification
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Manufacturer
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GE (General Electric)
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Series
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Mark VIe Speedtronic Turbine Control System
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Module Type
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Controller Synchronization Module
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Part Number
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IS220UCSAH1A (
H1A = Hardware Revision) |
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Primary Function
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Synchronize primary/backup controllers & I/O packs
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Communication Protocol
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GE SRTP (Synchronized Real-Time Protocol) over 100BASE-TX
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Data Rate
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100 Mbps
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Synchronization Accuracy
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< 100 ns between controllers
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Ports
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2x RJ45 (redundant Ethernet for controller sync)
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Redundancy Support
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Dual-redundant controllers, hot-swap failover (< 50 ms)
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Diagnostics
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LED status (power, sync, fault), SNMP traps
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Power Supply
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24V DC (±10%) via Mark VIe backplane; 6W max
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Operating Temperature
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-40°C to +70°C
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Certifications
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UL 508, CE, IEC 61850-3, SIL 3 (IEC 61508)
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Series
Integral to GE’s Mark VIe Speedtronic platform for mission-critical automation.
Key Features
- Nanosecond Precision Sync: Hardware timestamping for deterministic control.
- Seamless Failover: Active/standby controller switch without process disruption.
- Deterministic SRTP: Guaranteed sub-millisecond data delivery.
- Secure Key Exchange: Encrypted authentication between controllers.
- Vibration Resistance: 5g operational (15g survival) for heavy industries.
- Plug-in Redundancy: Automatic backup controller activation.
Function/Role
- Controller Synchronization: Maintains identical state data across primary/backup controllers.
- I/O Pack Coordination: Syncs distributed I/O modules for unified process control.
- Fault Tolerance: Autonomous failover during hardware/network failures.
Purpose/Use
- High-Availability Control: Eliminates single-point failures in critical systems.
- Real-Time Data Mirroring: Ensures backup controllers maintain operational readiness.
- Safety System Compliance: Enables SIL 3-rated protection logic (e.g., turbine tripping).
Application Fields
- Power Generation:
- Gas/steam turbine control (fuel/air ratio management)
- Generator excitation synchronization
- Oil & Gas:
- Compressor station surge control
- Emergency shutdown (ESD) system redundancy
- Chemical Plants:
- Reactor thermal runaway prevention
- Batch process sequencing
- Water Treatment:
- High-purity pumping station control
- Chemical dosing safety interlocks
- Manufacturing:
- Steel mill rolling mill automation
- FANUC CNC machine backup control
- Marine:
- Ship propulsion control redundancy
- Dynamic positioning systems
The IS220UCSAH1A delivers zero-downtime control for GE’s Mark VIe systems, enabling continuous operation in critical infrastructure like power plants and offshore platforms. Its sub-100ns synchronization accuracy ensures seamless transition during faults, meeting SIL 3 safety standards for life-critical applications.
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