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Acromag PMC470 Series User Manual

Pci mezzanine card 48-channel digital i/o module with interrupts
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Series PMC470 PCI Mezzanine Card
48-Channel Digital I/O Module With Interrupts
r e t i r e d
USER'S MANUAL
ACROMAG INCORPORATED
30765 South Wixom Road
P.O. BOX 437
Wixom, MI 48393-7037 U.S.A.
Tel: (248) 624-1541
Fax: (248) 624-9234
Copyright 2000, Acromag, Inc., Printed in the USA.
Data and specifications are subject to change without notice.
8500-674-C05A002

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  • Page 1 USER’S MANUAL ACROMAG INCORPORATED 30765 South Wixom Road P.O. BOX 437 Wixom, MI 48393-7037 U.S.A. Tel: (248) 624-1541 Fax: (248) 624-9234 Copyright 2000, Acromag, Inc., Printed in the USA. Data and specifications are subject to change without notice. 8500-674-C05A002...

  • Page 2: Table Of Contents

    The information contained in this manual is subject to change IMPORTANT SAFETY CONSIDERATIONS without notice. Acromag, Inc. makes no warranty of any kind with regard to this material, including, but not limited to, the implied It is very important for the user to consider the possible adverse warranties of merchantability and fitness for a particular purpose.

  • Page 3: Pci Mezzanine Card Interface Features

    ActiveX controls. These functions • High Impedance Inputs - High impedance inputs minimize consist of an ActiveX control for each Acromag PMC module. input current and loading of the input source. • No Configuration Jumpers or Switches - All configuration is...

  • Page 4: Board Configuration

    30 micron gold in the mating area (per MIL-G-45204, Type II, Grade multiple ground connections. C). Connects to Acromag termination panel 5025-552 from the front panel via round shielded cable (Model 5028-187). This device is capable of switching many channels at high total currents.

  • Page 5: Programming Information

    This Section provides the specific information necessary to FRAME# program and operate the PMC470 module. IRDY# DEVSEL# This Acromag PMC470 is a PCI Local Bus Specification version LOCK# 2.2 compliant PCI bus target only PMC module. The carrier/CPU SDONE# SBO# connects a PCI host bus to the PMC module.

  • Page 6: Memory Map

    SERIES PMC470 PCI MEZZANINE CARD 48-CHANNEL DIGITAL I/O MODULE WITH INTERRUPTS ___________________________________________________________________________________________ purpose. The PMC470 contains the configuration registers, shown The memory space address map for the PMC470 is shown in in Table 3.1, to facilitate Plug-and-Play compatibility. Table 3.2. Note the base address for the PMC module must be added to the addresses shown to properly access the PMC The Configuration Registers are accessed via the Configuration registers.

  • Page 7: Enhanced Mode Memory Map

    SERIES PMC470 PCI MEZZANINE CARD 48-CHANNEL DIGITAL I/O MODULE WITH INTERRUPTS ___________________________________________________________________________________________ Enhanced Mode Memory Maps WRITE - Port 3 Not Driven Event Sense Clear Register The following table shows the memory maps used for the (Port 3 I/O Points 24-31) Enhanced Mode of operation.

  • Page 8: Register Definitions

    SERIES PMC470 PCI MEZZANINE CARD 48-CHANNEL DIGITAL I/O MODULE WITH INTERRUPTS ___________________________________________________________________________________________ REGISTER DEFINITIONS (group of 8 I/O lines) is used for input, writes to this port must be blocked (masked) to prevent contention between the output circuitry Interrupt Register, (Read/Write) - (Base + 00H) (open-drain) and any external devices driving this port.
  • Page 9 SERIES PMC470 PCI MEZZANINE CARD 48-CHANNEL DIGITAL I/O MODULE WITH INTERRUPTS ___________________________________________________________________________________________ Enhanced Mode Write Mask Register (Port 7) Port 0 I/O7 Event Clear I/O7 Event Re-enable I/O7 WRITE TO REGISTER READ FROM REGISTER Status Sense Flip/Flop Event Sense Port 0 Write Mask Port 0 Write Mask Event Interrupt Status Register For Ports 0-5 Port 1 Write Mask...
  • Page 10 SERIES PMC470 PCI MEZZANINE CARD 48-CHANNEL DIGITAL I/O MODULE WITH INTERRUPTS ___________________________________________________________________________________________ time). A “0” written to a bit in this register will cause the BANK 2 REGISTERS corresponding event sense input lines to flag negative events (high- to-low transitions). A “1” will cause positive events to be sensed Debounce Control Register (low-to-high transitions).

  • Page 11: The Effect Of Reset

    (Model PMCSW-API-VXW, MSDOS format) is composed of Mode bank of registers. Bank 1 allows the 48 event inputs to be VxWorks (real time operating system) libraries for all Acromag monitored and controlled. Bank 2 registers control the debounce PMC modules. The software is implemented as a library of “C”...

  • Page 12: Enhanced Operating Mode

    SERIES PMC470 PCI MEZZANINE CARD 48-CHANNEL DIGITAL I/O MODULE WITH INTERRUPTS ___________________________________________________________________________________________ lines are placed into the false (high output) state following power-up transitions, the second nibble for high-to-low transitions. As such, or a system reset. The 4.7KΩ pullup resistor SIP’s installed in up to 24 change-of-state detectors may be configured.

  • Page 13: Programming Example

    SERIES PMC470 PCI MEZZANINE CARD 48-CHANNEL DIGITAL I/O MODULE WITH INTERRUPTS ___________________________________________________________________________________________ Enhanced Mode. Remember, the event sense status is a flag that is 5. Enable the debounce circuitry for port 0 inputs by setting bit 0 of raised when a specific positive or negative transition has occurred the Debounce Control Register.

  • Page 14: Theory Of Operation

    It is highly recommended that a non-functioning board be returned to Acromag for repair. The board can be easily PCI INTERFACE LOGIC damaged unless special SMT repair and service tools are used.

  • Page 15: Specifications

    REMOVING OR INSERTING BOARDS Radiated Emissions ………..Meets or exceeds European Norm EN50081-1 for class A equipment. Acromag’s Application Engineers can provide further technical assistance if required. When needed, complete repair services are also available from Acromag. Warning: This is a class A product. In a domestic environment this product may cause radio interference in which the 6.0 SPECIFICATIONS...

  • Page 16: Pci Local Bus Interface

    Specification, Revision 2.2 and Application: To connect field I/O signals to the PMC Module. PMC Specification, P1386.1/Draft Termination Panel: Acromag Part 4001-040 (Phoenix Contact 2.4. (See Note 2) Type FLKM 50). The 5025-552 termination panel facilitates the Electrical/Mechanical Interface... Single-Width PMC Module connection of up to 50 field I/O signals and connects to the PCI Target ………………………...

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