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GE IS220PSCAH1B Mark VIe Redundant Power Supply Module
Product Overview
The GE IS220PSCAH1B is a high-reliability redundant power supply module engineered for GE’s Mark VIe distributed control system, serving as a critical power backbone for industrial automation. As part of the IS220 Series, this module delivers stable, regulated power to I/O modules, controllers, and communication cards in mission-critical environments such as power plants, refineries, and offshore platforms.
Designed for redundancy, the GE IS220PSCAH1B supports N+1 configuration, where two modules operate in parallel to share load—if one fails, the other seamlessly takes over, ensuring uninterrupted 24 V DC power to connected devices. Its wide input range (110–240 V AC) adapts to global power grids, eliminating the need for external transformers. The module’s high efficiency (up to 93%) minimizes energy loss and heat generation, reducing cooling demands in control cabinets.
In the Mark VIe ecosystem, the IS220PSCAH1B integrates with I/O modules like the IS220PRTDH1A (RTD input) and IS220VCMIH2CA (communication card), forming a robust power infrastructure. Its galvanic isolation (2,500 Vrms) protects against electrical interference, while conformal coating and MIL-STD-810G compliance ensure reliability in extreme temperatures (-40°C to +70°C), vibration, and humidity. The hot-swappable design allows replacement without system shutdown, a key feature for 24/7 operations where downtime risks productivity and safety.
Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | IS220PSCAH1B |
| Manufacturer | GE |
| Product Type | Redundant Power Supply Module |
| Series | Mark VIe |
| Input Voltage | 110–240 V AC (50/60 Hz), selectable |
| Output Voltage | 24 V DC ±0.5% |
| Output Current | 15 A (max per module); 30 A total in parallel redundancy |
| Efficiency | Up to 93% |
| Isolation Rating | 2,500 Vrms (input to output) |
| Physical Dimensions | 167.6 mm (H) × 233.4 mm (W) × 44.5 mm (D) |
| Weight | 1.3 kg |
| Operating Temperature | -40°C to +70°C |
| Protection Features | Overvoltage, overcurrent, thermal shutdown, short-circuit protection |
| Certifications | CE, UL 508, IEC 61131-2, MIL-STD-810G |
| Mounting | 6U VME rack-mountable |
Main Features and Advantages
Redundant power delivery:
The IS220PSCAH1B supports N+1 redundancy, where two modules operate in parallel. If one fails, the other automatically assumes full load within milliseconds, ensuring uninterrupted power to critical systems like turbine controllers or emergency shutdown networks. This redundancy is vital for safety-critical applications in nuclear plants or offshore platforms.
The IS220PSCAH1B supports N+1 redundancy, where two modules operate in parallel. If one fails, the other automatically assumes full load within milliseconds, ensuring uninterrupted power to critical systems like turbine controllers or emergency shutdown networks. This redundancy is vital for safety-critical applications in nuclear plants or offshore platforms.
Wide input flexibility:
With a 110–240 V AC input range, the module adapts to global power grids, from North American 110 V systems to European 230 V networks. This eliminates the need for external transformers, simplifying installation in international facilities.
With a 110–240 V AC input range, the module adapts to global power grids, from North American 110 V systems to European 230 V networks. This eliminates the need for external transformers, simplifying installation in international facilities.
Advanced protection mechanisms:
Integrated overvoltage, overcurrent, and thermal shutdown circuits prevent damage to connected devices during power surges, short circuits, or excessive heat. These features extend the lifespan of sensitive components like RTD input modules and communication cards.
Integrated overvoltage, overcurrent, and thermal shutdown circuits prevent damage to connected devices during power surges, short circuits, or excessive heat. These features extend the lifespan of sensitive components like RTD input modules and communication cards.
High efficiency:
At up to 93% efficiency, the IS220PSCAH1B minimizes energy loss and heat generation, reducing cooling requirements in control cabinets. This efficiency lowers operational costs, especially in large-scale systems with multiple power supplies.
At up to 93% efficiency, the IS220PSCAH1B minimizes energy loss and heat generation, reducing cooling requirements in control cabinets. This efficiency lowers operational costs, especially in large-scale systems with multiple power supplies.
Hot-swappable design:
Enables module replacement without powering down the system, minimizing downtime during maintenance. This is essential for 24/7 operations, such as natural gas processing plants or continuous manufacturing lines, where even short outages can incur significant losses.
Enables module replacement without powering down the system, minimizing downtime during maintenance. This is essential for 24/7 operations, such as natural gas processing plants or continuous manufacturing lines, where even short outages can incur significant losses.
Rugged environmental tolerance:
Conformal coating and MIL-STD-810G compliance ensure reliable operation in extreme temperatures (-40°C to +70°C), high humidity, and vibration-prone environments. This makes the module suitable for desert power plants, offshore rigs, and other harsh industrial settings.
Conformal coating and MIL-STD-810G compliance ensure reliable operation in extreme temperatures (-40°C to +70°C), high humidity, and vibration-prone environments. This makes the module suitable for desert power plants, offshore rigs, and other harsh industrial settings.
Seamless Mark VIe integration:
Interfaces directly with Mark VIe controllers and I/O modules via the system backplane, supporting plug-and-play installation. It works with GE’s Proficy software for real-time monitoring of power status, enabling proactive maintenance.
Interfaces directly with Mark VIe controllers and I/O modules via the system backplane, supporting plug-and-play installation. It works with GE’s Proficy software for real-time monitoring of power status, enabling proactive maintenance.
Application Areas
The GE IS220PSCAH1B is indispensable in industries requiring stable, redundant power for control systems:
- Power Generation:
Powers Mark VIe controllers, RTD input modules, and communication cards in thermal, hydro, and nuclear plants. Ensures turbine control systems and safety shutdown networks receive uninterrupted power, even during grid fluctuations. - Oil & Gas:
Supplies redundant power to I/O modules in offshore platforms, refineries, and pipeline control rooms. Its rugged design withstands saltwater corrosion and vibration from compressors, preventing failures in emergency shutdown (ESD) systems. - Chemical Processing:
Supports reactor control systems, sensor interfaces, and valve actuators in chemical plants. Redundancy ensures continuous operation, critical for preventing hazardous material releases during power anomalies. - Manufacturing:
Provides stable power to robotic cells, conveyor systems, and PLCs in automotive and semiconductor factories. The module’s efficiency reduces energy costs in large-scale facilities with hundreds of connected devices.
Specific applications include gas turbine auxiliary system power, refinery ESD network redundancy, and chemical reactor sensor power.
Related Products
- GE IS220PSCAH1A (Mark VIe Power Supply Module):
A predecessor to the IS220PSCAH1B with 10 A output, suitable for smaller systems. The IS220PSCAH1B offers higher 15 A capacity, making it ideal for larger I/O configurations. - GE IS220PRTDH1A (Mark VIe RTD Input Module):
Relies on the IS220PSCAH1B for 24 V DC power, using stable supply to maintain ±0.1°C temperature measurement accuracy in turbine bearing monitoring. - GE IS220VCMIH2CA (Mark VIe Communication Card):
Receives power from the module to enable Ethernet/IP communication between Mark VIe components and HMIs, ensuring data integrity in distributed control systems. - GE IS230SNIDH1A MRP689579 (Mark VIe Digital Input Module):
Uses the IS220PSCAH1B to power 24 V DC input channels, supporting reliable signal transmission from limit switches and pressure sensors. - GE IS230STAOH2A (Mark VIe Analog Output Module):
Integrates with the module to receive power for 4–20 mA output channels, controlling valves and actuators in process automation. - GE IS220UCSAH1A (Mark VIe Processor Module):
Depends on the IS220PSCAH1B’s redundant power to execute control logic, ensuring uninterrupted turbine sequencing and load management.
Installation and Maintenance
Pre-installation preparations:
Verify the 6U VME rack is securely grounded and ventilated to prevent overheating. Check that the input power supply matches the module’s 110–240 V AC range. For redundant setups, ensure both IS220PSCAH1B modules are identically configured (voltage, address) and mounted in adjacent slots. Use shielded power cables to minimize EMI, routing them away from high-voltage lines. Configure the module via Proficy software to enable redundancy monitoring before power-up.
Verify the 6U VME rack is securely grounded and ventilated to prevent overheating. Check that the input power supply matches the module’s 110–240 V AC range. For redundant setups, ensure both IS220PSCAH1B modules are identically configured (voltage, address) and mounted in adjacent slots. Use shielded power cables to minimize EMI, routing them away from high-voltage lines. Configure the module via Proficy software to enable redundancy monitoring before power-up.
Maintenance suggestions:
Perform monthly visual inspections of front-panel LEDs to check for power status and fault indicators (e.g., red LEDs for overcurrent). Measure output voltage quarterly using a multimeter to ensure it remains within 24 V DC ±0.5%. Clean dust from vents biannually with compressed air, especially in dusty environments like cement plants. Test redundancy 切换 annually by disconnecting one module to confirm the other assumes load without interruption. Store spare IS220PSCAH1B modules in anti-static packaging at 10–30°C with <50% humidity, testing them annually to confirm functionality.
Perform monthly visual inspections of front-panel LEDs to check for power status and fault indicators (e.g., red LEDs for overcurrent). Measure output voltage quarterly using a multimeter to ensure it remains within 24 V DC ±0.5%. Clean dust from vents biannually with compressed air, especially in dusty environments like cement plants. Test redundancy 切换 annually by disconnecting one module to confirm the other assumes load without interruption. Store spare IS220PSCAH1B modules in anti-static packaging at 10–30°C with <50% humidity, testing them annually to confirm functionality.
Product Guarantee
Our company offers a one-year quality warranty service for the IS220PSCAH1B, covering hardware malfunctions not caused by human factors. During the warranty period, if the product shows abnormal performance or functional failure, we will provide replacement services. In addition, for discontinued models or urgent demands, relying on our global supply chain network, we can quickly respond to customers’ procurement needs for scarce spare parts, and provide reliable services to support the continuous and stable operation of industrial systems. As a leading import-export trade distribution company established in 2007 with 17 years of experience, we maintain large stocks of Mark VIe components, ensuring timely access to critical power supplies like the IS220PSCAH1B.
For inquiries, contact us via WhatsApp at +86 18859254943 or email at sales@ygplc.com.
