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Product short description:
  • 32 isolated digital input channels
  • Extended temperature: -40 to 85°C
  • PCIe bus interface
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The AP441-XE-LF modules provide 32 optically isolated inputs to safely monitor a wide range of digital input voltage levels.

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, high-to-low and low-to high interrupts are individually programmable for each channel. 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 AP441-XE-LF in conjunction with Acromag’s AP445E-LF digital output module.

Designed for COTS applications these digital input modules deliver high-density, high-reliability, and high-performance at a low cost.

The AP441 module is 70mm long, this is 19.05mm longer than the full length mini PCIe card at 50.95mm. The board’s width is the same as mPCIe board of 30mm and they use the same mPCIe standard board hold down standoff and screw keep out areas.

A down facing 100 pin Samtec connector will mate with the carrier card. Fifty of these signals are available as field I/O signals.

Pin spacing and signal assignments will allow for 100V of port to port isolation. Logic and field lines are isolated from each other for voltages up to 250V AC or DC on a continuous basis.

The AP441 series maintains the same functionality of the existing Industry Pack modules providing a smooth transition to the AcroPack I/O modules.

Performance 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 1250V AC dielectric strength test for one minute without breakdown).

Bipolar input voltage range:
AP441-1E-LF: ±4 to ±18V DC or AC peak.
AP441-2E-LF: ±16 to ±40V DC or AC peak.
AP441-3E-LF: ±38 to ±60V DC or AC peak.

Input low-to-high threshold:
AP441-1E-LF: ±4V maximum.
AP441-2E-LF: ±16V maximum.
AP441-3E-LF: ±38V maximum.

Input response time:
On to off: 15μS typical; Off to on: 35μS typical.
Interrupts:
32 channels configurable as: High-to-low transitions; Low-to-high transitions; Change-of-state.
Debounce:
Selectable for 4μS, 64μS, 1mS, or 8mS.

PCI Express Base Specification

Conforms to revision 2.1
Lanes:
1 lane in each direction.
Bus Speed:
2.5 Gbps (Generation 1).
Memory:
4k space required; 1 base address register.

Environmental

Operating temperature: -40 to 70°C; -40 to 85°C (requires an AcroPack heatsink conduction-cool kit).
Storage temperature:
-55 to 150°C.
Relative humidity:
5 to 95% non-condensing
Power:
1.5 VDC (±5%) not used.
3.3 VDC (±5%) 0.48 A Typical, 0.63 A maximum.
5 VDC (±5%) 0.048 A Typical, 0.052 A maximum.
12 VDC (±5%) not used.
-12 VDC (±5%) not used

Physical

Length: 70mm.
Width:
30mm.

  • PCI Express Generation 1 interface
  • 2.5 Gbps bus speed with one lane in each direction
  • 32 port-isolated input channels
  • Interrupt support for each channel
  • Programmable event interrupts (change-of-state, low-to-high or high-to-low transitions)
  • Programmable debounce
  • Input hysteresis
  • Reverse polarity protection
  • Software configuration (no jumpers or switches)
  • Software configuration allows “on-the-fly” changes without removing modules.
  • Pins are compatible with AP445E-LF output module for loopback monitoring
  • Loopback monitoring enables self-test and fault diagnostics to detect open switches or shorts.
  • Extended temperature range: -40 to 85°C

Manuals

AP441 User Manual (Log in to download the file)

Drawings & Diagrams

APSW-API-LNX (Log in to download the file)
  • Compare

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    • Required for conduction-cooled applications using an AcroPack
    $118
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    APSW-API: I/O Function Routines for VxWorks, Windows, Linux

    • Programming interface with function routines for AcroPack modules/carriers.
    • Customizable for other operating systems.
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Additional information

Weight N/A
Dimensions N/A
Part Number

APSW-API-LNX: Linux example libraries, APSW-API-VXW: VxWorks deluxe library, APSW-API-WIN: Windows DDL driver

  • Description

    An application programming interface with function routines for AcroPack modules/carriers. Customizable for other operating systems.

    Function Libraries for VxWorks

    Acromag’s software development tools greatly simplify the interface between AcroPack I/O boards and your application program. Libraries provide easy-to-use C function routines that quickly integrate with your application. The C functions are ready for use “as-is,” but they are also easily customized for your unique application.

    DLL Driver for Windows

    This package provides DLL driver level support for Acromag’s line of AcroPack products.

    AcroPack Windows Driver Software consists of low – level drivers and Windows Dynamic Link Libraries (DLLs) that facilitate the development of Windows applications accessing Acromag AcroPack I/O modules.

    The software includes kernel drivers and DLLs for both 32 and 64-bit versions of Windows. Applications developed to run on 32-bit versions of Windows use the 32-bit kernel drivers and 32-bit DLLs. Applications developed to run on 64-bit versions of Windows use the 64-bit kernel drivers and either the 32-bit or 64-bit DLLs. Except where noted otherwise, the usage of the 32-bit and 64-bit DLLs is identical.

    Linux Libraries (download only from the Software tab)

    An application programming interface with function routines for AcroPack modules/carriers.

    Linux Libraries Version: Red Hat Fedora 29; Kernel 4.20.14-200

  • Features & Benefits

    • PCI Express Generation 1 interface
    • 2.5 Gbps bus speed with one lane in each direction
    • 32 port-isolated input channels
    • Interrupt support for each channel
    • Programmable event interrupts (change-of-state, low-to-high or high-to-low transitions)
    • Programmable debounce
    • Input hysteresis
    • Reverse polarity protection
    • Software configuration (no jumpers or switches)
    • Software configuration allows “on-the-fly” changes without removing modules.
    • Pins are compatible with AP445E-LF output module for loopback monitoring
    • Loopback monitoring enables self-test and fault diagnostics to detect open switches or shorts.
    • Extended temperature range: -40 to 85°C
  • Specs & Data Sheets

    Manuals

    AP441 User Manual (Log in to download the file)

    Drawings & Diagrams

  • Software

    APSW-API-LNX (Log in to download the file)
  • Accessories

    • Compare

      AP-CC-01: Conduction-Cool Kit

      • Required for conduction-cooled applications using an AcroPack
      $118
      Select options
    • Compare

      APSW-API: I/O Function Routines for VxWorks, Windows, Linux

      • Programming interface with function routines for AcroPack modules/carriers.
      • Customizable for other operating systems.
      $360$835
      Read more
  • Additional information

    Additional information

    Weight N/A
    Dimensions N/A
    Part Number

    APSW-API-LNX: Linux example libraries, APSW-API-VXW: VxWorks deluxe library, APSW-API-WIN: Windows DDL driver