IS220PDIH1BD GE Module Parts Packaged Discrete Input I/O Pack

Product Summary
GE IS220PDIH1BD offers 24 optically isolated input channels, dual redundant Ethernet, and hot-swap support for Mark VIe turbine control. Rugged, certified (CE, UL, ATEX), with 1-year warranty and USA origin.
Product Description
Product Overview

The GE IS220PDIH1BD is a packaged discrete input I/O pack belonging to the GE Mark VIe Speedtronic turbine control platform. It is designed to collect binary discrete contact signals from field sensors, limit switches, circuit breaker status, interlock relays, and push buttons.

The module adopts an optical isolation design to separate field circuits from the control side, effectively suppressing industrial electromagnetic interference. It communicates with the Mark VIe controller via dual redundant I/O Ethernet, uploading field status data to the main control unit for turbine sequence control, emergency shutdown supervision, and alarm processing.

This module is widely used in combined-cycle power plants, gas turbines, steam turbines, and other power generation equipment. It is a legacy spare part for turbine control cabinet maintenance and retrofit, available as new surplus, tested, and refurbished units. All technical data is referenced from the official GE Mark VIe technical manual.

Meta Description: GE IS220PDIH1BD is a high-density discrete input I/O pack for the Mark VIe turbine control system — an optically isolated digital input module with dual Ethernet communication, used for gas turbine, steam turbine, and power generation safety interlock monitoring.
Keywords: GE IS220PDIH1BD, IS220PDIH1BD, GE Mark VIe discrete input pack, Speedtronic turbine control I/O module, GE power generation spare part
GE IS220PDIH1BD packaged discrete input I/O pack for Mark VIe Speedtronic turbine control system
Technical Specifications
BrandGE (General Electric, now Vernova)
ModelIS220PDIH1BD
Product NamePackaged Discrete Input I/O Pack
Dimensions130 mm × 100 mm × 40 mm
WeightApprox. 0.45 kg
Place of OriginUSA
HS Code85389000
Operating Temperature-30°C ~ +65°C
Storage Temperature-40°C ~ +85°C
Auxiliary Supply Voltage24 V DC nominal, 28.6 V DC maximum
Typical Operating Current0.24 A
Input24 optically isolated discrete contact input channels; DC wetting signal input; backplane power input
OutputDual 100 Mbps Ethernet communication output; module fault status signal output
Communication InterfaceDual redundant 10/100 Mbps Ethernet I/O network
Max Input Voltage per Channel32 V DC
Humidity Range5% ~ 95% RH, non-condensing
MountingSlot mounting inside Mark VIe I/O rack
ConnectorDC-37 pin connector for matched terminal board
Protection ClassIP20 (cabinet internal installation)
CertificationsCE, UL, CSA, IEC 61010, ATEX Zone 2
Compatible Terminal BoardsIS200STCIH1A, IS200STCIH2A, IS200TBCIH2C
Supported SystemGE Mark VIe Speedtronic turbine control system
GE IS220PDIH1BD discrete input I/O pack rear connector and terminal board interface view
Features and Functions
  • High-density 24-channel optically isolated discrete input pack for Mark VIe turbine control
  • Dual redundant Ethernet network communication to ensure reliable data transmission
  • Optical isolation for each input channel, preventing ground loop interference and high voltage surge
  • Supports dry contact and wet contact field signal acquisition
  • Built-in hardware self-diagnosis, channel fault detection, and status LED indication
  • Non-volatile memory for module configuration and event logging
  • Supports simplex, dual redundant, and triple redundant Mark VIe architecture
  • Hot-swappable under redundant rack configuration to reduce unit outage time
  • Rugged industrial design, suitable for high EMI environments in power plant control rooms
  • Fast signal sampling for turbine interlock, ESD, and trip condition monitoring
  • Compatible with standard Mark VIe control software and tooling
  • Conformal coating optional for corrosive industrial environments
  • Real-time timestamp for discrete state change events for post-fault analysis
Application Scenarios
  • Gas turbine and steam turbine Mark VIe control systems
  • Combined cycle power plant generator safety interlock monitoring
  • Power plant breaker, isolating switch, and auxiliary equipment status collection
  • Compressor and heavy-duty rotating machinery safety control
  • Oil & gas turbine-driven compression unit control
  • GE Mark VIe system upgrade, spare replacement, and retrofit
  • Power generation ESD and burner management signal monitoring
Frequently Asked Questions
Q1: What is the GE IS220PDIH1BD?

A1: The IS220PDIH1BD is a 24-channel optically isolated discrete input I/O pack for the GE Mark VIe Speedtronic turbine control system.

Q2: What is the difference between the IS220PDIH1BD and the IS220PDIAH1B?

A2: Both are Mark VIe discrete input packs; they differ in hardware revision, terminal board matching, and channel wetting configuration, and are not interchangeable without verification.

Q3: How many input channels does this module have?

A3: It provides 24 optically isolated discrete input channels.

Q4: Is this module hot swappable?

A4: It can be hot swapped only when the Mark VIe rack runs a redundant configuration; a simplex configuration requires shutdown before replacement.

Product Details
Highlight:

GE Discrete Input I/O Pack

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IS220PDIH1BD I/O Module

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GE Module Parts Packaged

Compatibility: GE Module Systems
Countryoforigin: USA
Operatingtemperaturerange: -20°C To 70°C
Voltagerating: Up To 600V
Currentrating: Up To 30A
Mountingtype: Panel Mount / DIN Rail
Warrantyperiod: 1 Year
Manufacturer: General Electric

Miss. Liliya

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