Name: GE IS220PTURH1A IS220PTURH1AC Input/Output Turbine Control System
Brand: General Electric
SKU: IS220PTURH1A IS220PTURH1AC
Availability: InStock

The GE IS220PTURH1A IS220PTURH1AC provides distributed I/O for Mark VIe turbine control platforms. This module collects field sensor data and sends actuator commands. Therefore, it reduces cabinet wiring by placing I/O close to the turbine.

Product Overview

We designed this rugged I/O module for mounting directly on turbine skids. Its wide temperature range withstands the heat near steam and gas turbines. Moreover, this unit includes conformal coating for moisture and contamination resistance.

Technical Specifications

Parameter	Specification
Dimensions	22.9 cm (length) x 12.7 cm (width) x 5.1 cm (height)
Weight	0.85 kg (approximately 1.87 lb)
Interface Type	100Base-T Ethernet plus 40 terminal connections
Component Count	186 components including processor and I/O circuits
Energy Storage	8 ceramic capacitors (0.1 µF) plus 2 supercapacitors
Analog Inputs	8 channels, 16-bit, 0-10V or 4-20mA
Analog Outputs	4 channels, 12-bit, 4-20mA
Digital Inputs	12 channels, 24V DC sink/source
Digital Outputs	8 channels, 0.5A at 24V DC
RTD Inputs	4 channels, 3-wire PT100
Power Supply	24V DC at 0.8A nominal
Operating Temp	-20°C to +70°C ambient

Distributed Architecture

The GE IS220PTURH1A IS220PTURH1AC communicates via Ethernet to the main controller. Its eight ceramic capacitors filter power for the communication processor. Additionally, two supercapacitors provide 30 seconds of hold-up for data saving. You can mount this module up to 100 meters from the main control cabinet.

Energy Storage Configuration

Two supercapacitors store enough energy to save critical data during power loss. Each supercapacitor provides 10 farads at 2.7V. They connect in series to achieve 5.4V for the memory circuit. The module saves all I/O states and time stamps before shutting down. Upon power restoration, it resumes operation without any data loss.

Installation Steps

Mount this I/O module on a DIN rail or directly to the turbine housing. Secure the module using the four integrated mounting feet with M5 screws. Connect the 24V DC power to the terminal block at the bottom. Then connect the Ethernet cable to the M12 industrial connector. Route all field wiring through the top-mounted cable glands.

Field Wiring Access

The module accepts wires from 26 AWG to 16 AWG through spring clamps. Each spring clamp releases by inserting a 2.5mm screwdriver into the release slot. Push the wire fully into the round opening until it stops. Remove the screwdriver to clamp the wire securely. Label each wire according to the terminal silkscreen before insertion.

Status Indication

Multiple LEDs provide immediate diagnostics without special tools. A green LED indicates the module has valid 24V DC power. A yellow LED flashes for each Ethernet packet received. A red LED illuminates for any internal fault condition. Eight additional LEDs show the state of the digital outputs. The GE IS220PTURH1A IS220PTURH1AC also sends diagnostics to the main controller.

RTD Measurement

Four dedicated channels accept 3-wire PT100 resistance temperature detectors. The module excites each RTD with a precision 250 µA current source. Automatic lead compensation cancels up to 25 ohms of wire resistance. Temperature conversion uses IEC 60751 standard curve coefficients. Accuracy reaches ±0.5°C across the full industrial range.

Application Scope

This I/O module suits new turbine installations and retrofit projects. Many gas turbine packages use the GE IS220PTURH1A IS220PTURH1AC for skid-mounted control. Its environmental rating meets NEMA 12 for indoor non-hazardous locations.