Racal Instruments 1260 Series User Manual
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Racal Instruments 1260 Series User Manual

Vxi switching cards
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  • Page 1 sales@artisantg.com artisantg.com (217) 352-9330 | Click HERE Find the Astronics / EADS / Racal Option 01 at our website:...
  • Page 2 PUBLICATION DATE: FEBRUARY 24, 2003 Copyright 2001 by Racal Instruments, Inc. Printed in the United States of America. All rights reserved. This book or parts there of may not be reproduced in any form without written permission of the publisher.
  • Page 3 Thank you for purchasing this Racal Instruments product. For this product, or any other Racal Instruments product that incorporates software drivers, you may access our web site to verify and/or download the latest driver versions. The web address for driver downloads is: http://www.racalinstruments.com/downloads...
  • Page 4 Authorization is required from Racal Instruments before you send us your product for service or calibration. Call your nearest Racal Instruments support facility. A list is located on the last page of this manual. If you are unsure where to call, contact Racal Instruments, Inc. Customer Support Department in Irvine, California, USA at 1-800-722-3262 or 1-949-859-8999 or via fax at 1-949-859- 7139.
  • Page 5 FOR YOUR SAFETY Before undertaking any troubleshooting, maintenance or exploratory procedure, read carefully the WARNINGS and CAUTION notices. This equipment contains voltage hazardous to human life and safety, and is capable of inflicting personal injury. If this instrument is to be powered from the AC line (mains) through an autotransformer, ensure the common connector is connected to the neutral (earth pole) of the power supply.
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  • Page 8: Table Of Contents

    1260 Series User Manual Table of Contents Chapter 1 GENERAL INFORMATION ......................1-1 Introduction ..........................1-1 General Information........................1-1 Options............................1-3 Option 01 ..........................1-3 Chapter 2 INSTALLATION INSTRUCTIONS ....................2-1 Introduction ..........................2-1 Unpacking and Inspection ......................2-1 Reshipment Instructions ......................2-1 Option 01 Installation.........................
  • Page 9 1260 Series User Manual RESET ..........................3-11 SCAN..........................3-12 SETUP..........................3-12 SLIST..........................3-13 SRQMASK ........................3-14 STORE ..........................3-15 SYNC..........................3-16 TEST..........................3-16 TTLTRG ........................... 3-17 YERR..........................3-17 Chapter 4 THEORY OF OPERATION......................4-1 Introduction ..........................4-1 Functional Blocks ........................4-1 Theory of Operation ........................
  • Page 10 Figure 2-3, 1260-40 Switch, Connector and Jumper Location ............2-3 Figure 2-4, S1 Switch Function ..................... 2-5 Figure 2-5, 1260 Series Master and Slave LBUS Interconnections ..........2-6 Figure 2-6 LBUS Lockout Keys ..................... 2-7 Figure 2-7, 1260 Series Master/Slave Configuration ..............2-8 Table 3-1, 1260 Option 01 Status Byte ..................
  • Page 11 1260 Series User Manual...

  • Page 12: General Information

    Chapter 1 GENERAL INFORMATION This manual provides the information necessary to install one or Introduction more of the Racal Instruments 1260 Series switching modules in a VXIbus compatible chassis, and to operate the switching modules correctly. General The 1260 switching modules are a range of C size, VXIbus...

  • Page 13: General Information

    NOTE If you are using seven or more 1260 series modules, you must add a termination jumper to the module on the far right See Chapter 2. Two separate addresses are required in the use of a 1260 switching system.

  • Page 14: Options

    1260 Series User Manual Options The Option 01 Smart Card (Master) is required for use in all 1260 Option 01 switching systems. This option acts as the switching system master, and all other switching modules are slaved to it. It turns any number of modules into a message-based VXIbus switching system.
  • Page 15 1260 Series User Manual This page was left intentionally blank. General Information 1-4...

  • Page 16: Installation Instructions

    Installation Remove the module top and bottom covers. Remove the jumper board (Racal Instruments P/N 401951) fitted to connector J4 on the switching module. Note the 1260-40 has jumpers installed in the J4 connector that must be removed.

  • Page 17: Figure 2-1, 1260-01 Smart Card

    1260 Series User Manual the P3 and P4 connectors, taking care not to bend or damage any pins on the mating connectors. Refer to Figures 2-2 and 2-3 for the location of J3 and J4. Secure the 1260-01 card to the module with...

  • Page 18: Figure 2-3, 1260-40 Switch, Connector And Jumper Location

    1260 Series User Manual Figure 2-3, 1260-40 Switch, Connector and Jumper Location The 1260 Master is fitted with the VXIbus defined SYSFAIL LED. To install the LED, connect the cable supplied to the 3-pin plug in the Option 01 PCB. The cable and plug are configured to achieve correct operation either way the cable is connected at the end.

  • Page 19: Interrupt Level And Logical Address Setting (1260-01 - Equipped Modules Only)

    1260 Series User Manual If not previously done, remove the module's top cover. To set the Interrupt Level 1260-01 logical address, set switch SW1 on the 1260-01 board to and Logical the binary equivalent of the logical address selected. For SW1, a...

  • Page 20: Switching Module Address Setting (All Modules)

    1260 Series User Manual To set a module address, carry out the following procedure. Switching Module Address Setting For the 1260-40 only, remove the module covers. (All Modules) Set switch SW1 on the module to the binary equivalent of the address.

  • Page 21: Local Bus Daisychaining

    Refer to Figure 2-5 which shows the LBus daisychaining required by a 1260 Master and Slaves. If you are using more than eight 1260 series modules, you must add a termination jumper to the module on the far right. Do this by soldering a short wire jumper across W22 on the LBUS jumper PCBA (P/N 401951, Rev.

  • Page 22: Lbus Lockout Keys

    Racal Instruments implements the LBUS lockout scheme in one of three ways for each module as follows: VXIbus Defined "C" Key The LBUS Lockout key (Racal Instruments P/N 455541) is fitted to the leftmost module in the group, i.e., the 1260 Master. It is connected to the LBUS to the right of the module, and the connection is TTL-compatible.

  • Page 23: Figure 2-7, 1260 Series Master/Slave Configuration

    1260 Series User Manual The BUS Lockout key (Racal Instruments P/N 455540) is fitted to all modules that are not the leftmost or the rightmost module in the group. The module is connected to the LBUS both to the left and to the right, and the connection is TTL-compatible.

  • Page 24: Switching Module Chassis Installation

    1260 Series User Manual LBUS Lockout Key Installation In order to accomodate the VXIbus specification defined minimum thickness of the LBUS Lockout keys and the clearance provided around the module ejector handle, two LBUS Lockout keys must be fitted on top of each other to each module.
  • Page 25 1260 Series User Manual mounted on the jumper PCB (installed) removed from positions E125 to E136 on the switching module PCB, or all DIP switches S2 and S3 opened, as described in Chapter 2. To install the switching module in a C size, VXI mainframe, ensure the module has rear connector P1 oriented to mate with the corresponding connector on the mainframe backplane.

  • Page 26: Chapter 3 Operation

    1260 Series User Manual Chapter 3 operation This Chapter supplies the information necessary to operate 1260 Introduction Series switching modules housed in a VXIbus chassis. It describes the command codes and module specific syntax needed to control the 1260 Option 01 and switching modules, and the formats for the character strings output by the switching modules.
  • Page 27 1260 Series User Manual the YERR command is a single line. The character strings output in response to the PDATAOUT and PSETUP commands consist of multiple lines of the form: <module address>.<header> or <module address>.<module specific syntax> where <module address> is the address set on switch SW1 on the switching module PCB, value 1 through 12.

  • Page 28: 1260-01 Device Dependant Command Codes

    1260 Series User Manual NOTE 1260-01 Device Dependant For any command that causes relays to be operated (e.g., CLOSE, OPEN, or RESET), allow 40msec to Command Codes 3msec per relay operated relay settling time or monitor the READY bit of the status byte waiting till the 1260 reports that it is ready.

  • Page 29: Eoi

    1260 Series User Manual EOI <0|1> EOI 0 causes the GPIB EOI line to be asserted by the VXI Resource Manager at the end of each line of a multi-line data output by the Option 01 if a VXI/GPIB Resource Manager is in use.

  • Page 30: Equ

    1260 Series User Manual EQU <equate list> This command causes any OPEN, CLOSE or TRIG/SCAN commands addressed to any switching module on the <equate list> to be carried out for all modules on the <equate list>. All modules on the list are required to be identical.

  • Page 31: Excl

    1260 Series User Manual EXCL <exclude list> EXCL This command causes the Option 01 to regard the channel closures specified in the <exclude list> as mutually exclusive. A channel is described in the <exclude list> by the slot number of a switching module and module specific syntax to describe the relay closures in a channel.
  • Page 32 1260 Series User Manual Operation 3-7...

  • Page 33: Pdataout

    1260 Series User Manual PDATAOUT <module address>;<module address>..PDATAOUT This command causes the specified switching modules to output the present state of the relays contained in those modules. An example character string output by the Option 01 response to a "PDATAOUT 0-12"...
  • Page 34 1260 Series User Manual 1260 Option 01 is <module address>.END where <module address> is the VXI chassis slot that the last 1260 module described is resident. Operation 3-9...

  • Page 35: Psetup

    1260 Series User Manual PSETUP <module address>[;<module address>]..PSETUP This command causes the Option 01 to output a character string describing the setup of the switching system Option 01 and switching modules. An example of a character string obtained in response to a "PSETUP 0-12"...

  • Page 36: Puprcl

    1260 Series User Manual PUPRCL <ON|OFF> PUPRCL This command enables and disables the automatic recall of non- volatile memory location 1 at power up. The configuration in non- vol location 1 is stored by the use of the STORE command. Refer to the appropriate paragraph for details of the STORE command.

  • Page 37: Scan

    The Option 01 will continue to scan until it reaches a break point on the scan list, or it receives the SCAN OFF command. SCAN OFF causes the 1260 Series to stop scanning. Scanning may only be resumed by the use of the SCAN ON command. NOTE The SCAN command may also be used to recall non- volatile memory settings in turn.

  • Page 38: Slist

    1260 Series User Manual SLIST <scan list> SLIST where <scan list> is <module address>.<channel> [;<module address>. <channel>];..This command enters the slot and channel information to be used in the scan list while in the SCAN mode. NOTE Non-volatile memory locations may be specified instead of a <module address>.

  • Page 39: Srqmask

    1260 Series User Manual SRQMASK <32|33..254|255> SRQMASK This command controls the circumstances under which the Option 01 will cause a VXI/GPIB Resource Manager to assert SRQ by masking the Option 01 status byte. The mask value, <integer> is the decimal equivalent of the binary eight bit byte ANDED with the GPIB status byte, i.e., if a bit in the mask is a logic 1, the assertion...

  • Page 40: Store

    1260 Series User Manual Table 3-1, 1260 Option 01 Status Byte Bit Number Description 1 (lsb) Unused Unused Unused Scan List At Break Point Ready Programming Error Service Requested 8 (msb) Unused The Programming error bit cannot be masked, and so the range of values for valid SRQMASKs is 32 - 63, 96 - 127, 160 - 191 and 223 - 255.

  • Page 41: Sync

    1260 Series User Manual SYNC SYNC <0|1|2|3|4|5|6|7|8> The commands SYNC <0|1|2|3|4|5|6|7> connect the selected SYNC output to the corresponding TTLTRG line. SYNC 8 disconnects the SYNC output from the TTLTRG lines and is the default (power up) state. TEST TEST 0.<testnumber> where <testnumber>::=1|2|3 This command causes the Option 01 to carry out a self test.

  • Page 42: Ttltrg

    (<error number>) that describes the error. values of <error Refer to Table 3-2 for a listing of all possible number> and the corresponding error descriptions. Table 3-2, 1260 Series Error Codes <error number> Error Description No error...
  • Page 43 1260 Series User Manual 41 * RAM test failure 42 * ROM test failure 43 * Non-vol memory test failure 44 * Incompatible operating system EPROMS, software revisions 45 * Self-test CPU or related circuitry failure 46 * Self-test 24 V supply failure...
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  • Page 46: Theory Of Operation

    1260 Series User Manual Chapter 4 Theory of operation This section describes the theory of operation of a 1260 Series Introduction switching system as configured from a 1260-01 Smart Card, and a 1260 Series switching module. The 1260-40 switching module is used as an example, and the reference designators for that card are used in the circuit descriptions given in this section.

  • Page 47: Figure 4-1, 1260 Smart Card Block Diagram

    1260 Series User Manual Figure 4-1, 1260 Smart Card Block Diagram Figure 4-2, 1260 Microprocessor Block Diagram Theory of Operation 4-2...

  • Page 48: Theory Of Operation

    1260 Series User Manual Theory of Operation DC power for the 1260-01 is derived from the VXI backplane via Power Suppliers its host switch card. A +5V supply is used to operate all of the logic on the Master and Slave boards. A +24V supply is used to...

  • Page 49: The Reset Circuits

    1260 Series User Manual microprocessors memory map. This device also provides the necessary DTACK\ or VPA\ signals for the microprocessor depending on whether the selected device is a 16 bit device or a 6800 peripheral. LDTACK\ is an input to U23, and is used to insert wait states when an Lbus cycle is accessed.

  • Page 50: Vxi Interface

    HALT\ to provide the board's inverted RESET\ signal. U111b and Q100 provide a high powered BPRST\ signal for the switching cards in the 1260 Series switching system via the Lbus. The +24V supply from the backplane is divided by Z2b, Z2c and R102 and compared to the reference voltage by U11b.

  • Page 51: The Lbus Interface

    1260 Series User Manual Data Low Register U9 and U101 Event Register Logical Address Register U102 TTLTRG lines are used by external devices to open and close the signal paths, as specified by previously received SLIST commands from the Slot 0 controller. Each of the TTLTRG lines corresponds to a different "channel"...
  • Page 52 The principles of operation are, however, identical for all relay assemblies within the 1260 Series. The slave state machine is implemented in a 22V10 PAL, U52, and it tracks the states and provides the control signals for the switching module.
  • Page 53 1260 Series User Manual will proceed to state S15. If it is not, then it will return to state S0. If the state machine proceeds to state S15 and a write cycle is being executed, then CLKDENA goes high from state S16 until S21 and U53 gates its CLOCK input on and drives the CLKIN signal.

  • Page 54: Drawings

    1260 Series User Manual Chapter 5 Drawings 401951, -003 PCB Assy, L-Bus Jumper ................5-2 431951 Schematic, L-Bus Jumper ................5-3 401901 PCB Assy, 1260 Master CPU (VXI Rev. 1.2)..........5-4 431901 Schematic, 1260 Master CPU (VXI Rev. 1.2) ..........5-6 401901-003 PCB Assy, 1260 Master CPU (Ver.
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  • Page 102: Parts Lists

    1260 Series User Manual Chapter 6 Parts Lists 401951 PCB Assy, L-Bus Jumper, P4..............6-2 401951-003 PCB Assy, L-Bus Jumper, P3..............6-2 401901 PCB Assy, 1260 Master CPU ..............6-3 401901-001 PCB Assy, 1260 Master CPU ..............6-5 401901-005 PCB Assy, 1260 Master CPU ..............6-7 List of Suppliers..................
  • Page 103 1260 Series User Manual Parts Lists 6-2...
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  • Page 112: Product Support

    Chapter 7 PRODUCT SUPPORT Product Support Racal Instruments has a complete Service and Parts Department. If you need technical assistance or should it be necessary to return your product for repair or calibration, call 1-800-722-3262. If parts are required to repair the product at your facility, call 1-949-859- 8999 and ask for the Parts Department.

  • Page 113: Support Offices

    1260 Series User Manual Racal Instruments, Inc. Support Offices 4 Goodyear St., Irvine, CA 92618-2002 Tel: (800) RACAL-ATE, (800) 722-2528, (949) 859-8999; FAX: (949) 859-7139 Racal Instruments, Ltd. 480 Bath Road, Slough, Berkshire, SL1 6BE, United Kingdom Tel: +44 (0) 1628 604455; FAX: +44 (0) 1628 662017 Racal Systems Electronique S.A.
  • Page 114 1260 Series User Manual REPAIR AND CALIBRATION REQUEST FORM To allow us to better understand your repair requests, we suggest you use the following outline when calling and include a copy with your instrument to be sent to the Racal Repair Facility.

This manual is also suitable for:

1260-011260-40

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