1. General Description

The High-Density Configurable Analog I/O Module provides flexible, multi-type signal acquisition and control for GE Mark VIe and Mark VIeS control systems.
Each channel can be independently configured, enabling a single module to support a wide range of field signals while minimizing cabinet space, wiring complexity, and overall system cost.

2. Supported Signal Types

Configurable on a per-channel basis:

Thermocouple

RTD

Voltage input

Current input/output:

4–20 mA

0–20 mA

Pulse accumulator

Digital input

HART protocol support (for smart field instruments)

3. Performance Characteristics

Scan / response time: 5 ms

Measurement accuracy: better than ±0.1%

Single-channel update rate: 10 ms

Designed for high-precision, real-time industrial signal processing

4. Electrical Specifications

Power supply: 24 VDC (via PDM)

Power consumption:

Typical: 6 W

Maximum: 8 W

Isolation:

1500 VAC isolation between isolated channels

Enhances noise immunity and system reliability

5. Environmental Specifications

Operating temperature: −40 ℃ to +70 ℃

Storage temperature: −40 ℃ to +85 ℃

Suitable for harsh industrial environments

6. Mechanical Specifications

Dimensions: 170 mm × 105 mm × 32 mm

Weight: approx. 120 g

Protection class: IP20 (installation inside control cabinet)

7. System Compatibility

Compatible with ControlST V7.02.00C and later

Supported systems:

GE Mark VIe

GE Mark VIeS

8. Installation and Maintenance

Installation method: Standard DIN-rail mounting

Hot-swappable design:

Supports live replacement without system shutdown

Automatic channel configuration and recognition

Facilitates fast maintenance and minimizes downtime

9. Core Functions

Provides high-density, multi-type analog and mixed-signal I/O

Supports independent channel configuration and online debugging

Enables precise acquisition and control of:

Temperature

Pressure

Flow

Other industrial process parameters

Fully meets the real-time data interaction requirements of Mark VIe control systems

10. Typical Applications

GE Mark VIe / Mark VIeS control systems for:

Gas turbines

Steam turbines

Compressors

Generators

Unit BOP (Balance of Plant) systems

Auxiliary control systems

Process parameter monitoring and regulation in industrial automation

11. Key Advantages

Multi-signal support in a single module:

Reduces the number of required I/O modules

Saves cabinet space and lowers system cost

Hot swapping and automatic configuration:

Simplifies maintenance

Enables rapid replacement and minimizes downtime

Channel isolation and wide temperature range:

Suitable for harsh industrial environments

Ensures high signal accuracy and long-term system stability

GE IS420PUAAH1A｜Analog I/O module｜