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IS220PDIAH1B

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Built for Mark VIe contact sensing, General Electric IS220PDIAH1B is a 24-channel discrete input pack linking a terminal board to I/O Ethernet.
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Technical specifications for IS220PDIAH1B

  • Manufacturer:
    General Electric
  • Part Number:
    IS220PDIAH1B
  • Product Family:
    GE Mark VIe Distributed I/O
  • Product Type:
    Mark VIe Discrete Input Pack
  • Stock:
    1
  • Contact Inputs:
    24
  • Pack Supply:
    24–28 VDC, 0.24 A maximum
  • Contact Input Range:
    0–32 VDC
  • Terminal Connector:
    DC-37
  • Network Ports:
    Two Ethernet ports
  • Certified Ambient:
    -30 to +65 °C
  • Tariff Code:
    8537101190
  • Country of origin:
    USA
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Input Paths Diagnostics Connections Setup Modes

Features:

  • Conditions 24 contact inputs for Mark VIe control logic.
  • Uses independent Ethernet paths for controller communication.
  • Checks terminal-board identity and contact-excitation health.
IS220PDIAH1B joins a contact-input terminal board directly through its DC-37 underside connector.

The acquisition stage shifts input levels and isolates field contact signals from the low-voltage processor circuitry.

Channel LEDs, pack-status indicators and internal tests separate field-input faults from pack or network conditions.

The General Electric IS220PDIAH1B Mark VIe Discrete Input Pack is listed as Active / Available from OEM. Apter Power provides IS220PDIAH1B quotations, product documentation and system-matching support.
General Electric IS220PDIAH1B Mark VIe Discrete Input Pack Manuals, Datasheets, Links Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.

Contact Signal Processing

  • Channels: IS220PDIAH1B accepts 24 contact inputs
  • Threshold: A variable comparator follows the wetting-voltage reference
  • Isolation: Optocouplers separate inputs from control logic
  • Filtering: Each channel includes filtering and hysteresis

Built-in Condition Checks

  • Startup: Memory, flash and Ethernet hardware are tested
  • Excitation: Loss of contact-wetting voltage is monitored
  • Channel Test: Non-responding inputs are detected by threshold pulsing
  • Identity: Hardware IDs verify the connected board set

Pack Interface Arrangement

  • ENET1: Primary I/O Ethernet interface
  • ENET2: Secondary or redundant Ethernet interface
  • Power: Three-pin connector accepts the pack supply
  • Field I/O: DC-37 couples IS220PDIAH1B to the terminal board

Control Path Options

  • Simplex: One pack can use one or two network links
  • Dual: Two packs participate in the input path
  • TMR: Three packs operate with one network link each
  • Signal Logic: Inputs can be inverted and SOE recording enabled in configuration
Description
General Electric IS220PDIAH1B is a Mark VIe discrete input pack that forms the electrical interface between the I/O Ethernet network and a supported contact-input terminal board. Its acquisition circuitry handles 24 discrete input channels for the controller.

Field contact states move through level conditioning, threshold evaluation and an optical boundary inside IS220PDIAH1B. Filtering stabilizes each decision before the detected state is presented to control logic and the corresponding channel indicator.

System communication for IS220PDIAH1B uses two Ethernet ports, while a three-pin connector supplies pack power and a DC-37 connector carries the terminal-board signals. Electronic identification data is checked during initialization to verify that the processor, acquisition board and terminal board form the expected hardware set.

The diagnostic logic in IS220PDIAH1B monitors internal supplies, contact-excitation voltage and input response. Power-up tests also cover memory, Ethernet hardware and the application-code match before normal input acquisition begins.
Alternative Names
IS220-PDIAH1B IS220 PDIA H1B IS 220 PDIA H1B GE IS220PDIAH1B General Electric IS220PDIAH1B Mark VIe PDIAH1B Input Pack IS220PDIAH1B 24-Channel Input Pack IS220PD1AH1B
Technical notes
General Electric IS220PDIAH1B conditions 24 Mark VIe contact inputs through a DC-37 terminal interface and dual Ethernet links.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
One IS220PDIAH1B point never changes even though the controller is online. What should be compared first?
Compare the field contact, terminal-board wetting voltage, IS220PDIAH1B channel indicator and channel diagnostic before investigating the Ethernet path.
Several IS220PDIAH1B inputs become invalid together; why is the contact-excitation supply a likely common cause?
IS220PDIAH1B derives the comparison reference from the terminal-board wetting supply, so loss of that source can affect an input group rather than one isolated channel.
The controller rejects IS220PDIAH1B after installation. Which compatibility check matters?
IS220PDIAH1B reads the electronic identities of the pack and terminal board during startup and reports a mismatch when the hardware set does not agree with its application code.
IS220PDIAH1B has pack power but no live controller data. How can link loss be distinguished from absent traffic?
Review both IS220PDIAH1B Ethernet connections together with the LINK and TxRx indications; they separate a missing physical link from a link carrying no traffic.
Intermittent contact chatter appears on IS220PDIAH1B. What belongs in the field-side check?
Inspect the contact stability and wetting-voltage reference before replacing IS220PDIAH1B, because its threshold, hysteresis and filtering act on the signal delivered by that circuit.
When planning redundant contact inputs, what determines whether IS220PDIAH1B can be used in dual or TMR service?
The terminal-board arrangement used with IS220PDIAH1B must support the selected simplex, dual or TMR signal path and match the configured redundancy mode.

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