GE IS220PAOCH1A
GE IS220PAOCH1A - Image 2

GE IS220PAOCH1A

Product Brief The GE IS220PAOCH1A is an analog output module manufactured by General Electric as part of the Mark VIe distributed turbine control system. This module provides the electrical interface between one or two I/O Ethernet networks and an analog output terminal board. The PAOC module is capable of providing up to eight simplex 0-20 mA current loop outputs and includes an analog-to-digital converter for current feedback from each output. It contains a BPPB processor board and a specialized acquisition board pair for analog output functions, making it essential for precise analog control of field devices in turbine applications.

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Description

GE IS220PAOCH1A

Technical Specifications

  • Part Number: IS220PAOCH1A
  • Manufacturer: General Electric
  • Series: Mark VIe
  • Product Type: Analog Output Module (PAOC)
  • Number of Channels: Eight current output channels, single-ended
  • Output Range: 0-20 mA, up to 900 ohm burden (18 V compliance)
  • Response: Better than 50 rad/sec
  • Accuracy: +/- 0.5% over -30 to 65°C temperature and 0 to 900 ohm load impedance; +/- 0.25% typical at 25°C and 500 ohm load
  • D/A Converter Resolution: 16-bit resolution
  • Frame Rate: 100 Hz on all eight outputs
  • Input Interface: Dual RJ-45 Ethernet connectors and three-pin power input
  • Output Interface: DC-37 pin connector to terminal board
  • Processor Board: BPPB (PAOCH1A contains BPPB; PAOCH1B contains BPPC)
  • Compatible Terminal Boards: TBAOH1C and STAOH1A/H2A
  • Software Support: ControlST Software Suite V04.06 and later
  • Dimensions: 8.26 cm high x 4.19 cm wide x 12.1 cm deep (3.25 in x 1.65 in x 4.78 in)
  • Technology: Surface mount
  • Ambient Rating: -30 to 65°C (-22 to 149°F)
  • Weight: Approximately 0.5 kg
  • Power Supply: 28 VDC nominal (18-32 VDC range)

Key Features

  • Eight precision 0-20 mA current loop outputs
  • 16-bit D/A converter for high-resolution output
  • Current feedback monitoring via A/D converter for each channel
  • Dual RJ-45 Ethernet ports for IONet communication
  • 100 Hz frame rate for all outputs
  • Excellent accuracy: +/- 0.5% over full temperature range
  • High compliance voltage: 18V for driving up to 900 ohm loads
  • Surface mount technology for reliability
  • Visual diagnostics via indicator LEDs
  • Infrared port for local diagnostics
  • Hot-swappable design for maintenance without system shutdown
  • Conformal coating for environmental protection
  • Compatible with TBAOH1C and STAOH1A/H2A terminal boards

Application Scenarios Gas turbine control valve positioning, steam turbine governor control, power plant process control, industrial analog control loops, actuator positioning systems, variable speed drive control, boiler combustion control, chemical process control

Performance Parameters

  • Output Channels: 8 simplex current outputs
  • Output Range: 0-20 mA
  • Load Capacity: Up to 900 ohms
  • Compliance Voltage: 18V
  • Resolution: 16-bit D/A
  • Accuracy: +/- 0.5% (-30°C to +65°C)
  • Frame Rate: 100 Hz all channels
  • Response: Better than 50 rad/sec

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