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Product short description:
  • 32 port-isolated input channels
  • ±60V AC/DC input (three ranges)
  • Interrupt support for each channel

IP440A Industrial I/O Pack (IP) modules provide 32 optically isolated inputs to safely monitor a wide range of digital input voltage levels.

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Isolation protects your computer system from noise, transient signals, and field wiring faults. The inputs are grouped into four 8-channel ports. Ports are isolated from the logic and each other.

Change-of-state interrupts are supported using paired channels. Debounce eliminates spurious interrupts from noise and switching transients for error-free edge detection.

Closed-loop monitoring of critical control signals is easily accomplished using the IP440A in conjunction with Acromag’s IP445 digital output module.

Specifications

Digital Inputs

Input channel configuration: 32 optically isolated inputs.

Isolation: Logic and field connections are optically isolated. Individual ports are also isolated from each other. Input lines of individual ports share a common connection and are not isolated from each other. Logic and field lines are isolated from each other for voltages up to 250V AC rms 250V DC on a continuous basis (unit will withstand a 1500V AC dielectric strength test for one minute without breakdown).

Bipolar input voltage range: IP440A-1: ±4 to ±18V DC or AC peak; IP440A-2: ±16 to ±40V DC or AC peak; IP440A-3: ±38 to ±60V DC or AC peak.

Input low-to-high threshold: IP440A-1: ±2V typical; IP440A-2: ±6.8V typical; IP440A-3: ±13.75V typical.

Input response time: On to off: 15μS typical. Off to on: 10μS typical.

Interrupts: 32 channels configurable as below. High-to-low transitions. Low-to-high transitions. Change-of-state (two inputs required).

Debounce: Selectable for 4μS, 64μS, 1mS, or 8mS.

IP Compliance (ANSI/VITA 4)

Meets IP specifications per ANSI/VITA 4-1995.

IP data transfer cycle types supported: Input/output (IOSel*), ID read (IDSel*), Interrupt select (INTSel*).

Access times (8MHz clock): 0 wait states (250ns cycle).

Updates: Requires four 8-bit reads to update all channels.

Environmental

Operating temperature: 0 to 70°C (IP440A-1/2/3) or -40 to 85°C (IP440A-1E/2E/3E models).

Storage temperature: -55 to 150°C (all models).

Relative humidity: 5 to 95% non-condensing.

MTBF: Contact the factory.

Power: +5V (±5%): 150mA maximum,65mA typical. ±12V (±5%): 0mA (not used).

The IP440A is a drop-in replacement for the IP440, please see the known differences document below for more information.

Known differences between the IP440 and the IP440A statement.

  • 32 port-isolated input channels
  • Three input ranges (different models):
    • IP440A-1: ±4 to ±18V DC or AC peak
    • IP440A-2: ±16 to ±40V DC or AC peak
    • IP440A-3: ±38 to ±60V DC or AC peak
  • Interrupt support for each channel
  • High-speed processing (0 wait states)
  • Programmable polarity of event interrupts (low-to-high or high-to-low transitions)
  • Programmable debounce
  • Input hysteresis
  • Reverse polarity protection
  • Software configuration (no jumpers or switches)
  • 0 to 70°C (IP440A-1/2/3) or -40 to 85°C (IP440A-1E/2E/3E models)
  • Software configuration allows “on-the-fly” changes without removing modules.
  • Pins are compatible with IP445 output module for loopback monitoring
  • Loopback monitoring enables self-test and fault diagnostics to detect open switches or shorts.

Manuals

IP440A User Manual (Log in to download the file)

Known Differences Between IP440 and the IP440A (Log in to download the file)

Additional information

Weight N/A
Dimensions N/A
Part Number

IP440A-1: ±4 to ±18V input range., IP440A-1E: ±4 to ±18V input range, extended temp. range., IP440A-2: ±16 to ±40V input range., IP440A-2E: ±16 to ±40V input range, extended temp. range., IP440A-3: ±38 to ±60V input range., IP440A-3E: ±38 to ±60V input range, extended temp. range.

  • Description

    Isolation protects your computer system from noise, transient signals, and field wiring faults. The inputs are grouped into four 8-channel ports. Ports are isolated from the logic and each other.

    Change-of-state interrupts are supported using paired channels. Debounce eliminates spurious interrupts from noise and switching transients for error-free edge detection.

    Closed-loop monitoring of critical control signals is easily accomplished using the IP440A in conjunction with Acromag’s IP445 digital output module.

    Specifications

    Digital Inputs

    Input channel configuration: 32 optically isolated inputs.

    Isolation: Logic and field connections are optically isolated. Individual ports are also isolated from each other. Input lines of individual ports share a common connection and are not isolated from each other. Logic and field lines are isolated from each other for voltages up to 250V AC rms 250V DC on a continuous basis (unit will withstand a 1500V AC dielectric strength test for one minute without breakdown).

    Bipolar input voltage range: IP440A-1: ±4 to ±18V DC or AC peak; IP440A-2: ±16 to ±40V DC or AC peak; IP440A-3: ±38 to ±60V DC or AC peak.

    Input low-to-high threshold: IP440A-1: ±2V typical; IP440A-2: ±6.8V typical; IP440A-3: ±13.75V typical.

    Input response time: On to off: 15μS typical. Off to on: 10μS typical.

    Interrupts: 32 channels configurable as below. High-to-low transitions. Low-to-high transitions. Change-of-state (two inputs required).

    Debounce: Selectable for 4μS, 64μS, 1mS, or 8mS.

    IP Compliance (ANSI/VITA 4)

    Meets IP specifications per ANSI/VITA 4-1995.

    IP data transfer cycle types supported: Input/output (IOSel*), ID read (IDSel*), Interrupt select (INTSel*).

    Access times (8MHz clock): 0 wait states (250ns cycle).

    Updates: Requires four 8-bit reads to update all channels.

    Environmental

    Operating temperature: 0 to 70°C (IP440A-1/2/3) or -40 to 85°C (IP440A-1E/2E/3E models).

    Storage temperature: -55 to 150°C (all models).

    Relative humidity: 5 to 95% non-condensing.

    MTBF: Contact the factory.

    Power: +5V (±5%): 150mA maximum,65mA typical. ±12V (±5%): 0mA (not used).

    The IP440A is a drop-in replacement for the IP440, please see the known differences document below for more information.

    Known differences between the IP440 and the IP440A statement.

  • Features & Benefits

    • 32 port-isolated input channels
    • Three input ranges (different models):
      • IP440A-1: ±4 to ±18V DC or AC peak
      • IP440A-2: ±16 to ±40V DC or AC peak
      • IP440A-3: ±38 to ±60V DC or AC peak
    • Interrupt support for each channel
    • High-speed processing (0 wait states)
    • Programmable polarity of event interrupts (low-to-high or high-to-low transitions)
    • Programmable debounce
    • Input hysteresis
    • Reverse polarity protection
    • Software configuration (no jumpers or switches)
    • 0 to 70°C (IP440A-1/2/3) or -40 to 85°C (IP440A-1E/2E/3E models)
    • Software configuration allows “on-the-fly” changes without removing modules.
    • Pins are compatible with IP445 output module for loopback monitoring
    • Loopback monitoring enables self-test and fault diagnostics to detect open switches or shorts.
  • Specs & Data Sheets

    Manuals

    IP440A User Manual (Log in to download the file)

    Known Differences Between IP440 and the IP440A (Log in to download the file)

  • Additional information

    Additional information

    Weight N/A
    Dimensions N/A
    Part Number

    IP440A-1: ±4 to ±18V input range., IP440A-1E: ±4 to ±18V input range, extended temp. range., IP440A-2: ±16 to ±40V input range., IP440A-2E: ±16 to ±40V input range, extended temp. range., IP440A-3: ±38 to ±60V input range., IP440A-3E: ±38 to ±60V input range, extended temp. range.