Specifications

General Information

• Part Number: IS220PDOAH1A
• Manufacturer: General Electric
• Country of Manufacture: United States (USA)
• Series: Mark VIe
• Function: Discrete Output Pack

Physical Characteristics

• Number of Relay Channels: 12
• Dimensions:
  • Height: 8.26 cm
  • Width: 4.19 cm
  • Depth: 12.1 cm
• Technology: Surface-mount

Functional Description

The IS220PDOAH1A is a discrete output pack designed by GE as part of the Speedtronic Mark VIe gas turbine control system. It connects one or two I/O Ethernet networks to a discrete output terminal board. The module includes a processor board shared by all Mark VIe distributed I/O packs and an acquisition board dedicated to the discrete output function.

Key Features

• Relay Channels:
  • 12 relay channels
  • Different types of relays (magnetic and solid-state) depending on the terminal board
• Inputs:
  • 15-pack inputs monitored by a relay and a coil
• Response Time:
  • Approximately 6 ms from Ethernet command to output
• Power Input:
  • Powered by a three-pin power input
• Ethernet Connections:
  • Two RJ45 Ethernet connectors
• Output Connection:
  • Via a DC-37 pin connector directly connected to the terminal board
• Indicators:
  • LED indicators for diagnostics
  • Infrared port for local serial communications

Compatibility

• Terminal Boards:
  • Works with six different types of discrete (relay) output terminal boards, including TRLY and SRLY boards
  • Not compatible with DIN-rail mounted DRLY boards
• Control Modes:
  • Supports Simplex (single I/O pack)
  • Dual (two I/O packs)
  • TMR (three I/O packs)