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Product Overview
The GE IS220PDOAH1A 336A4940CSP2 is a high-performance discrete output module designed for GE’s Mark VIe control system, serving as a critical interface for executing precise control commands in industrial automation. As part of the IS220 Series, this module converts digital signals from the controller into discrete outputs to drive relays, solenoids, and other actuators, ensuring reliable operation of machinery and processes in power generation, oil & gas, and manufacturing. The IS220PDOAH1A 336A4940CSP2 integrates seamlessly with other Mark VIe components (e.g., analog input modules, communication cards), forming a robust control architecture for mission-critical applications.
Featuring 12 independent relay channels, the GE IS220PDOAH1A 336A4940CSP2 supports 24 V DC output signals, with galvanic isolation (2500 V RMS) between channels to prevent electrical interference. Its high-speed processing core ensures fast signal execution (response time <1 ms), critical for triggering rapid actions in safety systems and high-speed machinery. The module’s rugged design includes a conformal coating and compliance with MIL-STD-810G for vibration, shock, and temperature extremes (-40°C to +70°C), making it suitable for harsh environments like offshore platforms and power plant turbine halls.
In automation ecosystems, the IS220PDOAH1A 336A4940CSP2 controls critical actuators such as valve positioners, motor starters, and emergency shutdown (ESD) systems, receiving commands from the Mark VIe controller for real-time decision-making. Its support for triple modular redundancy (TMR) configurations enhances system reliability by cross-verifying outputs across three redundant modules, ensuring fault tolerance in safety-critical setups. The hot-swappable design allows maintenance without system shutdown, minimizing downtime in 24/7 operations—an essential feature for industries where unplanned outages incur significant costs.
Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | IS220PDOAH1A 336A4940CSP2 |
| Manufacturer | GE |
| Product Type | Discrete Output Module |
| Series | Mark VIe |
| Number of Channels | 12 independent relay outputs |
| Output Voltage | 24 V DC ±10% |
| Isolation | 2500 V RMS galvanic isolation (channel-to-channel and channel-to-backplane) |
| Response Time | <1 ms (maximum) |
| Physical Dimensions | 82.6 mm (H) × 41.9 mm (W) × 121.4 mm (D) |
| Weight | 0.45 kg |
| Operating Temperature | -40°C to +70°C |
| Certifications | MIL-STD-810G, CE, UL, IEC 61131-2 |
| Redundancy Support | Triple Modular Redundancy (TMR) |
| Mounting | 6U VMEbus rack-mounted |
Key Features and Advantages
High Channel Density:
12 independent relay channels in a compact 6U form factor reduce rack space requirements, simplifying system architecture in large-scale installations such as power plant control rooms. The module’s relay output configuration supports both electromagnetic and solid-state relays, providing flexibility for diverse actuator types.
12 independent relay channels in a compact 6U form factor reduce rack space requirements, simplifying system architecture in large-scale installations such as power plant control rooms. The module’s relay output configuration supports both electromagnetic and solid-state relays, providing flexibility for diverse actuator types.
Robust Isolation:
2500 V RMS galvanic isolation prevents electrical noise, ground loops, and transient voltage spikes from disrupting signal integrity—critical in industrial environments with high electromagnetic interference. This isolation ensures reliable operation even in proximity to high-voltage equipment.
2500 V RMS galvanic isolation prevents electrical noise, ground loops, and transient voltage spikes from disrupting signal integrity—critical in industrial environments with high electromagnetic interference. This isolation ensures reliable operation even in proximity to high-voltage equipment.
Ultra-Fast Response:
<1 ms response time ensures rapid execution of control commands, making the IS220PDOAH1A 336A4940CSP2 ideal for safety systems (e.g., emergency shutdown circuits) and high-speed machinery requiring split-second actuation.
<1 ms response time ensures rapid execution of control commands, making the IS220PDOAH1A 336A4940CSP2 ideal for safety systems (e.g., emergency shutdown circuits) and high-speed machinery requiring split-second actuation.
TMR Compatibility:
Supports triple modular redundancy, where three identical modules process the same outputs and “vote” on valid signals, eliminating single-point failures and ensuring compliance with safety standards like SIL 3. This redundancy is crucial in applications where downtime is unacceptable, such as nuclear power plants.
Supports triple modular redundancy, where three identical modules process the same outputs and “vote” on valid signals, eliminating single-point failures and ensuring compliance with safety standards like SIL 3. This redundancy is crucial in applications where downtime is unacceptable, such as nuclear power plants.
Hot-Swappable Design:
Allows module replacement without powering down the system, minimizing downtime in continuous-operation environments such as refineries and power plants. The design includes mechanical locks and electrostatic discharge (ESD) protection to ensure safe and reliable field maintenance.
Allows module replacement without powering down the system, minimizing downtime in continuous-operation environments such as refineries and power plants. The design includes mechanical locks and electrostatic discharge (ESD) protection to ensure safe and reliable field maintenance.
Advanced Diagnostics:
Built-in self-test functions monitor channel health, detect open circuits or short circuits, and trigger alarms via front-panel LEDs and system software. This proactive troubleshooting reduces mean time to repair (MTTR) and enhances operational efficiency.
Built-in self-test functions monitor channel health, detect open circuits or short circuits, and trigger alarms via front-panel LEDs and system software. This proactive troubleshooting reduces mean time to repair (MTTR) and enhances operational efficiency.
Rugged Environmental Tolerance:
Conformal coating and MIL-STD-810G compliance ensure reliable operation in extreme temperatures, vibration, and humidity—essential for offshore platforms, mining sites, and desert power plants. The module’s IP20-rated enclosure protects against dust and accidental contact.
Conformal coating and MIL-STD-810G compliance ensure reliable operation in extreme temperatures, vibration, and humidity—essential for offshore platforms, mining sites, and desert power plants. The module’s IP20-rated enclosure protects against dust and accidental contact.
Application Areas
The GE IS220PDOAH1A 336A4940CSP2 is indispensable in industries requiring precise control of discrete actuators:
- Power Generation:
Controls turbine trip valves, generator circuit breakers, and cooling system pumps in thermal, hydro, and nuclear plants, enabling safe shutdowns and load balancing. - Oil & Gas:
Drives valve actuators, pressure relief systems, and emergency shutdown (ESD) networks in pipelines, refineries, and offshore rigs, ensuring compliance with safety regulations. - Manufacturing:
Integrates with robotic cells, conveyor systems, and assembly lines to control pneumatic valves, motor starters, and safety interlocks, maintaining production continuity. - Chemical Processing:
Manages agitator motors, reactor feed valves, and tank level control systems, ensuring process stability and preventing hazardous overflows.
Specific applications include gas turbine auxiliary system control, refinery ESD networks, and automotive assembly line automation.
Related Products
- GE IS220PDIAH1B (Mark VIe Discrete Input Module):
Complements the IS220PDOAH1A 336A4940CSP2 by converting discrete signals from sensors into digital data for the controller. - GE IS220PAOCH1A (Mark VIe Analog Output Module):
Provides analog output capabilities to control proportional valves and variable-speed drives, working alongside the discrete output module to form a complete I/O system. - GE IS220PBITH1A (Mark VIe Binary Output Module):
A higher-channel variant (64 channels) for large-scale systems requiring more control points. - GE IS220VCMIH2CA (Mark VIe Communication Interface Card):
Facilitates data transfer between the IS220PDOAH1A 336A4940CSP2 and the central controller via industrial networks. - GE IS220WETAH1BB (Mark VIe Ethernet Interface Module):
Enables remote monitoring of the module’s status via Ethernet/IP, integrating with SCADA and HMI systems. - GE IS220PDOAH1C (Mark VIe Discrete Output Module):
An upgraded version with enhanced diagnostics and faster response time for ultra-critical applications.
Installation and Maintenance
Pre-installation preparations:
Ensure the Mark VIe rack is properly grounded and ventilated, with a stable 24 V DC power supply. Verify compatibility with existing system firmware using GE’s Mark VIe Configuration Tool. Mount the IS220PDOAH1A 336A4940CSP2 in the 6U VMEbus slot, securing it with anti-vibration screws to prevent loosening in high-vibration environments. Route output cables separately from high-voltage lines to minimize interference, and use shielded wiring for signals to outdoor or noisy actuators.
Ensure the Mark VIe rack is properly grounded and ventilated, with a stable 24 V DC power supply. Verify compatibility with existing system firmware using GE’s Mark VIe Configuration Tool. Mount the IS220PDOAH1A 336A4940CSP2 in the 6U VMEbus slot, securing it with anti-vibration screws to prevent loosening in high-vibration environments. Route output cables separately from high-voltage lines to minimize interference, and use shielded wiring for signals to outdoor or noisy actuators.
Maintenance suggestions:
Perform monthly visual inspections of front-panel LEDs to check for channel faults or power issues. Use GE’s Proficy Machine Edition software to run diagnostic tests, verifying output responsiveness and isolation integrity. Clean dust from vents quarterly using compressed air, especially in dusty industrial environments. Calibrate relay contact resistance annually using a precision multimeter to ensure reliable switching. Store spare IS220PDOAH1A 336A4940CSP2 modules in anti-static packaging at 10–30°C with <50% humidity, and test them annually to confirm functionality.
Perform monthly visual inspections of front-panel LEDs to check for channel faults or power issues. Use GE’s Proficy Machine Edition software to run diagnostic tests, verifying output responsiveness and isolation integrity. Clean dust from vents quarterly using compressed air, especially in dusty industrial environments. Calibrate relay contact resistance annually using a precision multimeter to ensure reliable switching. Store spare IS220PDOAH1A 336A4940CSP2 modules in anti-static packaging at 10–30°C with <50% humidity, and test them annually to confirm functionality.
Product Guarantee
Our company provides a 12-month quality warranty for the GE IS220PDOAH1A 336A4940CSP2, covering hardware malfunctions not caused by human factors. During the warranty period, if the module exhibits abnormal performance or functional failure, we will provide replacement services. As a leading import-export distributor with 17 years of experience, we maintain large stocks of industrial control parts, including discontinued models like this one. Relying on our global supply chain network, we can quickly respond to urgent procurement needs, ensuring your automation systems operate continuously and stably.
For inquiries, contact us via WhatsApp at +86 18859254943 or email at sales@ygplc.com.
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