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GE IS220PDOAH1B

  • Product Name:​ GE Mark VIe Series Discrete Output Module (IS220PDOAH1B)
  • Introduction:​ The IS220PDOAH1B is a 16-channel discrete output module within the GE Mark VIe family, serving as a critical interface in industrial automation systems to convert digital control signals from PLCs/controllers into binary outputs driving field devices such as solenoids, motor starters, and valves.
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Detailed content

  • Technical Specifications:
    • Manufacturer: GE (General Electric), now part of Emerson Automation
    • Part Number: IS220PDOAH1B (Alias: IS230SNRLH2A)
    • System Platform: GE Mark VIe Turbine Control Systems / PACSystems RX3i PLCs
    • Product Type: 16-Channel Discrete Output Module (Isolated)
    • Number of Channels: 16 (isolated)
    • Output Voltage: 24–28 V DC (nominal)
    • Output Current: 1 A per channel (resistive load)
    • Isolation: 500 V DC (channel-to-channel); 1500 V DC (channel-to-ground)
    • Response Time: <10 ms
    • Power Supply: Dual 28 V DC inputs with automatic failover
    • Processor: 32-bit ARM with 16 MB SDRAM / 32 MB Flash (alternative spec: Intel Celeron 300 MHz with 128 MB flash)
    • Communication Ports: Dual 10/100 Mbps Ethernet (RJ45)
    • Operating Temperature: -40°C to +70°C (-40°F to 158°F)
    • Storage Temperature: -40°C to +85°C (-40°F to 185°F)
    • Humidity: 5–95% non-condensing
    • Dimensions (W × H × D): 263 mm × 58 mm × 28 mm (10.4 in × 2.3 in × 1.1 in)
    • Weight: 1.42 kg (3.13 lbs)
    • Certifications: CE, UL, IEC 61010
  • Features:​ High isolation (500 V DC channel-to-channel) preventing ground loops and protecting sensitive field devices; fast response (<10 ms) for real-time control of dynamic processes; hot-swap capability allowing replacement without system shutdown; 16 isolated channels grouped into two sets of eight.
  • Material & Structure:​ Rack-mounted module compatible with Mark VIe I/O rack; screw terminals or pre-wired cables for downstream communication; VME backplane for upstream communication.
  • Working Principle:​ Receives digital control signals from the controller via the VME backplane; a 32-bit ARM processor processes the signals and prepares them for output; transmits binary output signals to field devices via screw terminals, with isolated channels preventing ground loops.
  • Application Scenarios:​ Level 1 (Device) or Level 2 (Control) of the Purdue Model in industrial automation; turbine speed adjustment, valve positioning; interfaces with GE Mark VIe controllers, PACSystems RX3i PLCs, solenoids, motor starters, and valves.
  • Installation Requirements:​ Mount in Mark VIe I/O rack control cabinets; connect dual 28 V DC power inputs; ensure proper Ethernet connections via RJ45 ports; follow VME backplane installation procedures.
  • Usage Notes:​ Utilize hot-swap capability for maintenance without shutdown; monitor isolation integrity to prevent ground loops; verify output current does not exceed 1 A per channel for resistive loads.

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