GE IS220STAOH2A Analog Output Module

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Product Overview

The GE IS220STAOH2A is listed by industrial-parts suppliers as an analog output product for GE Mark VIe controls. In this type of control system, the analog output path carries controller commands to field devices through an I/O module and terminal board. GE’s documented PAOC/STAO arrangement provides current outputs for applications requiring continuously variable control signals, rather than simple on/off commands. 

Technical Specifications

Features

• Analog output function for variable control signals.
• Part of the GE Mark VIe I/O architecture described for PAOC/STAO equipment.
• Current-output channels in the documented PAOC/STAO configuration.

Industries Served
-Power Generation: Analog commands can serve turbine auxiliary systems and other continuously controlled equipment within a Mark VIe control installation.
-Oil & Gas: Mark VIe analog output systems are relevant to compressor and turbine control applications requiring variable field-device commands.
-Process Industries: Current-output control is applicable where valves and actuators respond to continuously adjusted signals.

Frequently Asked Questions

1. What is the role of an analog output in a Mark VIe system?
It conveys a variable command from the controller to a field control device through the analog output I/O arrangement.
2. How many current outputs does GE document for the STAO arrangement?
GE’s Mark VIe system guide lists eight 0–20 mA outputs for the STAOH2A terminal-board configuration. This is a reference for that documented configuration, not a confirmed IS220STAOH2A specification. GE Mark VIe system guide
3. Are the PAOC I/O module and STAO terminal board the same component?
No. GE lists IS220PAOCH1B as the analog output I/O module and IS200STAOH2A as a compatible terminal board.