Description
Product Description
The GE IS220PDIAH1A (336A4940CSP1) is a packaged discrete input (PDIA) I/O module designed for GE Mark VIe turbine control systems. It interfaces with compatible discrete input terminal boards to acquire status signals from field devices such as switches, relay contacts, and equipment interlocks. The module includes local signal processing, input conditioning, diagnostic indicators, and Ethernet network connections for communication with the control system. It can be deployed in simplex, dual, or triple-modular-redundant configurations when supported by the associated system design. The H1A version is intended for applications requiring the applicable hazardous-location approvals; verify the certification requirements for the installation site.
IS220PDIAH1A
Product Parameters and Datasheet
Brand: GE (General Electric)
Model: IS220PDIAH1A
Part Number: 336A4940CSP1
Series: Mark VIe / Speedtronic Turbine Control
Product Name: Packaged Discrete Input Module
Product Type: Digital Input I/O Pack
Input Channels: Up to 24 contact inputs with supported terminal boards
Input Signal: Discrete contact signals; voltage-sensing options depend on terminal-board type
Input Isolation: Optical isolation in the input signal path
Communication Interface: Dual 10/100 Mbps Ethernet ports
Terminal Board Interface: 37-pin connector
Power Connection: 3-pin DC power connector
Nominal Supply: 28 VDC system supply; verify the applicable manual and terminal-board configuration
Redundancy: Simplex, dual, or TMR, depending on system configuration
Diagnostics: Status LEDs, internal monitoring, and input diagnostics
Configuration Software: GE ToolboxST
Hazardous-Area Use: Requires applicable module certification and approved installation configuration
Place of Manufacture: Not confirmed for the individual unit
Product Status: Confirm availability and condition with supplier
Dimensions: Verify against the applicable GE Mark VIe hardware documentation
Weight: Not confirmed
Country of Origin: Verify the unit label and shipping documents
Discontinued: Confirm current lifecycle status with the supplier
Recommended GE Models
1. IS220PDIAH1A – Packaged discrete input module; verify the complete suffix and certification.
2. IS220PDIAH1B – Related PDIA hardware revision; confirm system compatibility.
3. IS220PDIAS1A – Related discrete input I/O pack; verify the exact model designation.
4. IS220PAICH1A – Analog input I/O pack for compatible Mark VIe systems.
5. IS220PAICH2A – Related analog input I/O pack; confirm hardware compatibility.
6. IS220PDOAH1A – Discrete output I/O pack for supported control configurations.
7. IS220PSCAH1A – Serial communication I/O pack; verify the exact variant.
8. IS220PTURH1A – Turbine-specific I/O pack for compatible Mark VIe applications.
9. IS220PPROH1A – Protection-related I/O pack; verify the required function and revision.
10. IS220PGENH1A – Generator-related I/O pack; confirm application requirements.
11. IS200STCIH1A – Discrete input terminal board used with supported PDIA configurations.
12. IS200STCIH2A – Related discrete input terminal board; verify wiring and compatibility.
13. IS200TBCIH2C – Discrete input terminal board for supported configurations.
14. IS200TBCIH1C – Related terminal board; confirm the complete hardware code.
15. IS220PSVOH1B – Servo-control I/O pack for compatible Mark VIe applications.
Compatibility Note: The IS220PDIAH1A is an I/O pack, not a standalone rack card. Confirm the terminal-board model, input signal type, network arrangement, supply requirements, hardware revision, and hazardous-location certification before ordering or replacing it. Related models are not guaranteed direct substitutes.
