IS220PSVOH1A GE Mark VIe Servo Module IS220PSVOH1A Servo Pack

IS220PSVOH1A GE Mark VIe Servo Control Module

The IS220PSVOH1A is a servo control pack from General Electric. It belongs to the Mark VIe and Mark VIeS series. It links one or two I/O Ethernet networks to a TSVO servo terminal board. Two servo valve loops run through the WSVO driver. Steam and gas turbine systems use this module.

Product Overview

• Type: PSVO servo control module
• Assembly: IS220 special assembly
• Coating: Conformal PCB coating
• Series group: Mark VI Group 1
• Role: Electrical interface between the networks and the terminal board

Technical Data

• Brand: General Electric
• Model: IS220PSVOH1A
• Series: Mark VIe and Mark VIeS
• Outputs: 2 servo outputs
• LVDT inputs: 8 inputs
• Pulse rate inputs: 2 inputs
• Ethernet ports: 2 ports with status LEDs
• Infrared port: 1 port, not used in this pack
• Temperature range: -30 to +65 °C (-22 to +149 °F)
• Board memory: Flash memory and RAM onboard
• Sensor: Internal temperature monitor

Power Supply

• Voltage:
  • Min 27.4 V dc
  • Nominal 28.0 V dc
  • Max 28.6 V dc
• Current: Max 1.0 A dc

LVDT Inputs

• Voltage: Max 7.14 V ac
• Frequency: Nominal 3.2 KHz

Speed Inputs

• Voltage:
  • Min -15 V dc
  • Max 15 V dc

LVDT Excitation Outputs

• Voltage:
  • Min 6.86 V ac
  • Nominal 7.00 V ac
  • Max 7.14 V ac
• Current: Max 127 mA ac
• Frequency:
  • Min 3.0 KHz
  • Nominal 3.2 KHz
  • Max 3.4 KHz

Servo Outputs

• Voltage:
  • Min -10 V dc
  • Max 10 V dc
• Current:
  • Min -120 mA dc
  • Max 120 mA dc

Speed Sensor Power Output

• Voltage:
  • Min 22.8 V dc
  • Nominal 24.0 V dc
  • Max 25.2 V dc
• Current: Nominal 40 mA dc

Faceplate and LEDs

• ENet1 and ENet2: Two network status LEDs
• Power: One power LED
• Attn: One attention LED
• ENA1 and ENA2: Two enable LEDs
• Control System Toolbox: Runs after installation

Setup and Reconfiguration

• Auto reconfigure: Works after pack replacement.
• ToolboxST: Turns the option on or off.
• Component Editor: Allows manual setup.
• Terminal board swap: Requires manual setup of the I/O pack.

Number Analysis

• IS220: Special assembly tag
• PSVO: Functional product code
• H: Conformal coating style
• 1: Group one product grouping
• A: Revision level

Compatibility Notes

• Fits: Mark VI and Mark VIe control systems.
• Pairs with: TSVO servo terminal board.
• Uses: WSVO servo driver module.
• Networks: One or two I/O Ethernet links.

Warranty and Shipping

• Warranty: 12 months coverage.
• Dispatch: Ships in 12 to 24 hours.
• Couriers: FedEx, UPS, and DHL.
• Tracking: Sent after dispatch.

Expert Review

The IS220PSVOH1A is a solid servo pack for turbine control. It handles two valve loops with ease. The eight LVDT inputs give good position feedback. The wide temperature range suits tough plant rooms. Auto reconfiguration saves service time. Manual setup is still needed after a terminal board swap. Keep that step in mind during maintenance.

Manager’s Insight

Downtime costs more than parts. The IS220PSVOH1A supports fast pack swaps. Its LED set helps techs spot network faults quickly. The conformal coating adds life in humid areas. Stock one spare pack per turbine. That small stock cuts long waits and keeps the line running.

Best Fit Devices and Applications

• Devices: Mark VIe and Mark VIeS control systems.
• Devices: TSVO servo terminal boards.
• Applications: Steam turbine control.
• Applications: Gas turbine control.
• Applications: Servo valve position loops in power plants.

FAQ

• Q: How many servo loops can this pack drive?
  It drives two servo valve position loops.
• Q: What happens after I swap the pack?
  The pack can auto reconfigure through ToolboxST.
• Q: What about a terminal board change?
  You must set up the I/O pack by hand.
• Q: Is the infrared port active?
  No, this pack does not use it.
• Q: Which networks does it connect?
  One or two I/O Ethernet networks.
• Q: Experience tip. What fails first in the field?
  Loose network links. Check the ENet LEDs first.
• Q: Experience tip. How do I avoid setup errors?
  Record the old settings before you remove the pack.
• Q: Buying advice. What should I confirm first?
  Check the series, the revision, and the terminal board.
• Q: Buying advice. How long is the warranty?
  It comes with 12 months of coverage.
• Q: Buying advice. How fast does it ship?
  Orders leave in 12 to 24 hours by FedEx, UPS, or DHL.

Purchase Guide

• Match the series: Use it with Mark VIe or Mark VIeS systems.
• Check the board: Confirm the TSVO terminal board model.
• Plan the swap: Note settings before removal.
• Pick a courier: Choose FedEx, UPS, or DHL at checkout.
• Ask us: sales@powergearx.com or +86 18030005825 for fit checks.

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