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Product Overview
The GE IS220PDIAH1B is a discrete input I/O pack used in the Mark VIe control system for gas and steam turbines. It is designed to interface with field contact signals, providing reliable detection of digital status across industrial applications. The I/O pack includes signal conditioning, termination, diagnostics, and communication in one compact module.
Technical Specifications
| Parameter | Description |
|---|---|
| Module Type | Discrete Input I/O Pack |
| Channels | 24 digital inputs |
| Input Voltage | 24 VDC (Nominal) |
| Input Type | Dry contact or wetted contact |
| Input Isolation | Optical isolation per channel |
| Status Indication | Individual channel status LEDs |
| Communication | Ethernet (Dual RJ45 or fiber) |
| Redundancy Support | Yes |
| Operating Temperature | -30°C to +65°C |
| Storage Temperature | -40°C to +70°C |
| Protection Class | IP20 |
| Dimensions (W×H×D) | 226 × 107 × 30 mm |
| Weight | 0.8 kg |
Applications
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Gas turbine control systems
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Steam turbine automation
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Power generation plants
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Industrial process control
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Oil & gas monitoring systems
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High-reliability digital signal interfacing
Advantages
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Integrated diagnostics and status monitoring
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Compact form factor ideal for panel installations
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Ethernet-based communication for fast data transfer
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Field proven in harsh environments
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Supports redundant configurations for high availability
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Easy integration into Mark VIe systems
Frequently Asked Questions (FAQ)
Q1: What type of signals does the IS220PDIAH1B support?
A1: It supports 24 VDC digital input signals from dry or wetted contacts.
Q2: Can this module be used in redundant applications?
A2: Yes, it supports redundancy to ensure continuous operation.
Q3: Is it compatible with other Mark VIe I/O modules?
A3: Yes, it is fully compatible within the Mark VIe I/O framework.
Q4: How are the input channels isolated?
A4: Each input channel is optically isolated to prevent cross-talk and electrical faults.
Q5: What kind of field devices can be connected?
A5: It supports limit switches, pushbuttons, relay contacts, and similar digital devices.
Q6: Does it provide diagnostic feedback?
A6: Yes, it includes built-in diagnostics and individual input status LEDs.
Q7: What is the communication method with the controller?
A7: It uses dual Ethernet ports (RJ45 or fiber) for communication.
Q8: Can it be mounted on standard DIN rails?
A8: Yes, the design allows DIN rail mounting in control panels.
Q9: What protection class does it have?
A9: The module is rated IP20 for standard control cabinet environments.
Q10: What are the power requirements?
A10: It typically operates with 28 VDC input from the system power bus.
Related Models (Same Series or Compatible)
| Model | Description | Channels | Voltage | Dimensions (mm) | Weight |
|---|---|---|---|---|---|
| IS220PAICH1B | Analog Input I/O Pack | 8 AI | ±5 V, ±10 V | 226 × 107 × 30 | 0.8 kg |
| IS220PDAIH1B | Discrete Output I/O Pack | 24 DO | 24 VDC | 226 × 107 × 30 | 0.8 kg |
| IS220PAOCH1B | Analog Output I/O Pack | 6 AO | 4-20 mA | 226 × 107 × 30 | 0.8 kg |
| IS220PSVOH1B | Servo Output I/O Pack | 2 SO | 28 VDC | 226 × 107 × 30 | 0.8 kg |
| IS220PDOAH1B | Discrete Output with High Capacity | 16 DO | 125 VDC | 226 × 107 × 30 | 0.8 kg |
| IS220PTCCH1B | Thermocouple Input I/O Pack | 12 TC | mV range | 226 × 107 × 30 | 0.8 kg |
Popular GE Models (Same Brand)
| Model | Description | Channels | Voltage | Dimensions (mm) | Weight |
|---|---|---|---|---|---|
| IS200STAIH2AC | Analog Input Terminal Board | 20 AI | ±5 V | 234 × 100 × 35 | 0.75 kg |
| IS200TREGH1B | Trip Emergency I/O Pack | 3 channels | 125 VDC | 210 × 100 × 30 | 0.7 kg |
| IS200VAICH1C | Vibration/Position Input Pack | 8 channels | ±10 V | 226 × 107 × 30 | 0.8 kg |
| IS200BPPBH2BR1 | Backplane Power Supply Board | — | — | 250 × 100 × 35 | 0.85 kg |
| IS200TBTCH1CBB | Thermocouple Terminal Board | 24 TC | mV range | 226 × 107 × 30 | 0.8 kg |
| IS200DRLYH1A | Relay Output Module | 6 relays | 125 VDC | 226 × 107 × 30 | 0.8 kg |
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