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PEP Modular Computers V1553B User Manual

Mil-std-1553 interface module for the vmebus
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V1553B UserÕs Manual
This PepCard product has been carefully designed for a long and a fault-free life; however, its life expectancy can be
drastically reduced or even diminished to none by improper treatment at the unpacking or first-use stage.
We therefore ask you to read this manual carefully before unpacking the module or fitting it into your VMEbus or
IIOC/Eurobus system.
If the product contains primary or secondary batteries for RTC or memory back-up purposes, extra care is required not
to place the board on conductive surfaces; including anti-static plastic or sponge, which can cause shorts and lead to
damage to the batteries or the tracks on the board.
Further, please do not exceed the operational temperature ranges given in the specifications for the board version you
ordered. Where batteries are present, their temperature restrictions must also be taken into account.
When fitting the board into a system, remove all power by turning off the power mains. Do not disconnect the mains
however, since grounds connection prevents chassis floating with static voltages, which could damage the board as you
push it home.
Keep all of the original packaging material for future storage or warranty shipments of the board. If it is necessary to
store or ship the board, please repack the board in the same way it was originally packaged.
We wish you, your application, and your PepCard a long and successful life. We are certain that if you take the time
to read through this manual first, you will most probably save yourself time and aggravation later.
June 22, 1998
© 1996 PEP Modular Computers Page 0-1
Preface
MIL-STD-1553 Interface Module
for the VMEbus
User's Manual
Publication No. 12961
Unpacking and Special Handling Instructions
V1553B
Issue 1

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Summary of Contents for PEP Modular Computers V1553B

  • Page 1 We wish you, your application, and your PepCard a long and successful life. We are certain that if you take the time to read through this manual first, you will most probably save yourself time and aggravation later. June 22, 1998 © 1996 PEP Modular Computers Page 0-1...
  • Page 2 Computers reserve the right to change, modify, or improve this document or the product described herein, as seen fit by PEP Modular Computers without further notice. It also contains extracts or illustrations reproduced with the kind permission of ICL Data Device Corporation (DDC) Bohemia, New York.
  • Page 3 Please remember that no PEP Modular Computers employee, dealer, or agent are authorized to make any modification or addition to the above terms, either verbally or in any other form written or electronically transmitted, without consent.

  • Page 4: Table Of Contents

    4.1 Preparation of the V1553B (VMEbus functions) ........

  • Page 5: Introducing The V1553B

    VME interface. The V1553B offers the user all the functions he requires, to be able to use his VMEbus in a Bus Controller (BC), Remote Terminal Unit (RTU) and bus Monitor (MT) mode in conjunction with this DoD standardized bus.

  • Page 6: Specifications Of The V1553B

    * Active low signals, 1.4 Related Publications For more information regarding the V1553B, and VMEbus products in general, please refer to the VMEbus Specifications. For information about the 1553 bus, please refer to the ANSI specifications or the DDC designers guide.

  • Page 7: Board Overview

    1.5 Board Overview Figure 1.5 V1553B Board Overview LED Functions Board Failure Items marked are only available Board Power ON on order number 11263 Bus 1 Active Bus 2 Active June 22, 1998 © 1996 PEP Modular Computers Page 1-3...

  • Page 8: Features Of The V1553B Module

    1.7 Typical V1553B Applications In conjunction with PEPÕs single board computers, e.g. the VSBC-4, the V1553B may be used as a very compact control or monitoring computer in vehicle, ship, or aircraft-based applications.
  • Page 9 V1553B UserÕs Manual Chapter 1 Introducing the V1553B VMEbus 96-pin connector (P1) VMEbus Interface A24:D16 Slave Bus 1 Active Bus 2 Active Power ON Failure BU29854 BU29854 Transformer A Transformer B June 22, 1998 © 1996 PEP Modular Computers Page 1-5...
  • Page 10 Chapter 1 Introducing the V1553B V1553B UserÕs Manual This page has been left blank intentionally Page 1-6 © 1996 PEP Modular Computers Jun e 2 2 , 1 99 8...

  • Page 11: Functional Description

    ESCRIPTION Definition The V1553B fully implements the 1553 A and B bus protocol with slave and interrupt capability together with the utilization of shared RAM on the 1553 interface chip to buffer 1553 bus data. The board also has miscellaneous control/status registers, status LEDs, and configuration jumpers.

  • Page 12: Control/Status Registers, Jumpers And Leds

    Chapter 2 Functional Description V1553B UserÕs Manual 2.2.1.4 Control/Status Registers, Jumpers and LEDs The V1553B possesses two configuration/status registers, the VME Configuration Register (VCR) and the 1553 Bus Configuration Register (BCR). The VME interrupt vector (b15-b9), and the IRQ level (b7-b5 for IRQ1 through IRQ7) are selectable by writing to the VCR, while the Board revision (b7-b5) and configuration (b4-b0) can be accessed through a read of the VCR.
  • Page 13 When used as a Remote Terminal on the 1553 bus, this value represents the RTÕs address. Bit b7 : RT Address Parity for Bus #1 Name Description RT1ADP This bit MUST be set to ODD parity June 22, 1998 © 1996 PEP Modular Computers Page 2-3...
  • Page 14 Chapter 2 Functional Description V1553B UserÕs Manual Table 2.2.1.4d 1553 Bus #2 Configuration Register (BCR2) - Word Write Bit b0 : Bus #2 Sub-System Flag Control Name Description SSFLG2 Bit b1 Spare Bits b6 - b2 : Remote Terminal Address for Bus #2...
  • Page 15 Jumper J11 : 1553 Channel 1A - Coupling Mode Setting Description Long Stub Short Stub Jumper J12 : 1553 Channel 1B + Coupling Mode Setting Description Long Stub Short Stub June 22, 1998 © 1996 PEP Modular Computers Page 2-5...
  • Page 16 Chapter 2 Functional Description V1553B UserÕs Manual Jumper J13 : 1553 Channel 1B - Coupling Mode Setting Description Long Stub Short Stub Jumper J14 : 1553 Channel 1 XFMR A Center Tap Setting Description Present Center Tap grounded Absent Center Tap floating...

  • Page 17: Internal Interface Description

    BC/RT/MT ADVANCED COMMUNICATION ENGINE 'ACE'Ó data sheet from Data Device Corporation. 2.2.2 External Interface Description The V1553B connects to the VMEbus via the P1 backplane. The base memory address is jumper programmable. Table 2.2.3a shows an address map of the V1553B. Table 2.2.3a VME Address Map...
  • Page 18 1000PPS, External Time-Tag clock, TTL buffered input Spare Power is provided via the VMEbus P1 connector. The V1553B shall require the following DC voltages: +5V DC (500 mA max.) -12V DC (200 mA max.) Total power dissipation is less than 5 watts given a 25% 1553 bus duty cycle.

  • Page 19: Configuring The V1553B Module

    The V1553B is factory tested for full functionality, and is delivered in the configuration which best suits the majority of users (default settings), see table 3.1 on the next page. You are strongly recommended to check these delivered settings against the function set you desire thus ensuring that the V1553B and your system will function correctly.
  • Page 20 Chapter 3 Configuring the V1553B V1553B UserÕs Manual Page 3-2 © 1996 PEP Modular Computers Jun e 2 2 , 1 99 8...

  • Page 21: Installing The V1553B Cpu Module

    4.1.1 Preparation of the VMEbus and/or the VME/IIOCbus The VMEbus system into which the V1553B is to be fitted, must be turned off prior to fitting (or removing) any module. If this VMEbus is connected through a VIOC to an IIOC system, then this system and it's peripherals must also be powered down.

  • Page 22: Chronological Installation Procedure

    If necessary, the existing modules should be moved to suit new layout needs recognizing that the V1553B may be fitted into any desired VMEbus slot except the one which is reserved for the system controller (VMEbus CPU).

  • Page 23: Front Panel Functions

    4.3 Front Panel Functions The front-panel itself has no status LEDs or other interfaces other than those shown in figure 4.3. The jumper description for J5 may be found in the previous chapter. Figure 4.3 V1553B Standard Front-Panel Layout CH 1 CH 2...
  • Page 24 Chapter 4 Installing the V1553B V1553B UserÕs Manual This Page Intentionally Left Blank Page 4-4 © 1996 PEP Modular Computers Jun e 2 2 , 1 99 8...

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