Brief Introduction to GE IS220PDOAH1A 3364940CSP2 Digital Output Module
1. Product Description
The GE IS220PDOAH1A 3364940CSP2 is a dedicated digital output (DO) module designed for GE’s Mark VIe control system—widely used in power generation, oil & gas, and industrial automation. Its main job is to send electrical signals from the Mark VIe controller to external devices (like valves, pumps, or alarms) to control their on/off or operating states. It’s built for reliability, with features to protect against electrical faults (e.g., short circuits) and works stably in tough industrial environments. It’s easy to install in standard control cabinets and integrates smoothly with other Mark VIe components, making it a key part of controlling critical industrial equipment.
2. Technical Specifications
- Power Supply: 24 V DC (typical industrial voltage, compatible with most control systems)
- Digital Output Channels: 16 independent DO channels (each can control a separate device)
- Output Current: 0.5 A per channel (suitable for small to medium loads like solenoid valves)
- Output Voltage: Matches input power (24 V DC) for direct device control
- Protection Features: Short-circuit protection (prevents module damage if wires touch accidentally)
- Operating Temperature: 0°C to +60°C (works in most factory or power plant environments)
- Dimensions: Compact size (approx. 150 mm × 100 mm × 50 mm) for easy cabinet mounting
- Compatibility: Exclusively for GE Mark VIe control system (uses GE’s proprietary communication protocol)
3. System Introduction
The IS220PDOAH1A 3364940CSP2 is a core part of GE’s Mark VIe control system—a modular, high-performance system used to monitor and control large industrial machines (e.g., gas turbines, steam turbines, and generators). The Mark VIe system combines controllers, I/O modules (like this DO module), and software to manage complex operations: the controller processes data from sensors, then sends commands to modules like the IS220PDOAH1A to actuate devices. The system is known for fast response times and high reliability, ensuring industrial processes run safely and efficiently. It’s used globally in power plants (to control turbine operations) and oil refineries (to manage pipeline valves), where downtime is costly.
4. Recommended Related Models in the Same Series
- GE IS220PDAOE1A: 16-channel digital output module with higher output current (1 A per channel) for larger loads (e.g., heavy-duty pumps).
- GE IS220PDOAH2A: 32-channel digital output module (double the channels) for systems needing more device control (e.g., large power plants).
- GE IS220PDAIH1A: Digital input (DI) module (complementary to DO modules) – collects signals from sensors (e.g., limit switches) and sends data to the Mark VIe controller.
- GE IS220PAIOH1A: Analog input/output (AIO) module – handles continuous signals (e.g., temperature, pressure) instead of on/off signals, for precise control (e.g., turbine speed adjustment).
- GE IS220PDOAH1B: Updated version of IS220PDOAH1A with enhanced diagnostic features (e.g., real-time channel status checks) for easier troubleshooting.
- GE IS220PDAOE2A: 24-channel digital output module with extended temperature range (-20°C to +70°C) for harsh environments (e.g., cold outdoor power facilities).
- GE IS220PDOAH3A: Redundant digital output module (two modules work in backup) for ultra-critical systems (e.g., nuclear power plant safety valves) where failure is not allowed.
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