Product Description

Overview

The GE IS220PDOAH1B Proximity/Speed I/O Pack and IS230SNRLH2A terminal board provide a reliable interface for rotor speed and vibration monitoring in Mark VIe turbine control systems. This subsystem digitizes signals from magnetic pickups and eddy‑current proximity probes while maintaining high accuracy and signal integrity. Moreover, it ensures safe turbine operation by supporting overspeed protection and real-time diagnostics.

The IS220PDOAH1B converts field sensor signals into precise digital data, while the IS230SNRLH2A provides secure connections with galvanic isolation. Therefore, operators benefit from dependable performance in demanding industrial environments.

Technical Specifications

IS220PDOAH1B – Proximity/Speed I/O Pack

• Model Number: IS220PDOAH1B

• Module Type: Proximity/Speed Input I/O Pack

• System Compatibility: GE Mark VIe / Mark VIeS turbine control systems

• Input Channels: 4 independent sensor channels

• Supported Sensors: Magnetic pickups, eddy-current proximity probes

• Input Signal Range: 0.5–50 Vrms (sensor-dependent)

• Frequency Range: 0–20 kHz (typical for speed/vibration monitoring)

• Resolution: High-resolution digital conversion

• Diagnostics: Sensor open/short detection, overspeed trip validation

• Communication: Ethernet to controller (redundant paths supported)

• Isolation: Channel-to-system, 1500 V AC

• Operating Temperature: –40 °C to +70 °C

• Storage Temperature: –40 °C to +85 °C

• Mounting: Direct installation on IS230SNRLH2A terminal board

• Certifications: UL, CE, CSA

IS230SNRLH2A – Proximity/Speed Terminal Board

• Model Number: IS230SNRLH2A

• Module Type: Proximity/Speed Input Terminal Board

• Channels Supported: 4 sensor inputs

• Supported Sensors: Magnetic pickups, proximity probes

• Isolation: Galvanic isolation per channel

• Diagnostics: Sensor fault detection

• Mounting: DIN-rail or panel installation

FAQ

1. What sensors are compatible with the IS220PDOAH1B?
It supports magnetic pickups and eddy-current proximity probes for accurate speed and vibration measurement.

2. Can the system detect sensor faults?
Yes, built-in diagnostics monitor open circuits, short circuits, and overspeed trip validation.

3. How is the module connected to the turbine controller?
The I/O pack communicates via Ethernet, with redundant paths for reliable data transmission.

4. What mounting options are available for the IS230SNRLH2A?
It can be installed on a DIN rail or directly mounted to a control panel.

5. Is this subsystem suitable for harsh industrial environments?
Yes, it includes galvanic isolation, high-quality surface-mount technology, and conformal protection.