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Series 941X/946X Digital I/O Board USER`S MANUAL

1. 44 200 13 341 MEMORY mE 13 3 1 1 Board Identification ee aaa a 14 3 1 2 Board Status 2 1000000 15 3 1 3 Digital Port 16 3 1 4 Digital Output 16 4 0 THEORY OF 16 4 17 VMEbus INTEREAGE citet iter e pep rada 16 4 2 BOARD GONTR OLLEER EE ch c 16 4 3 BIGITAE PORT SEGTIGQN 3 cu WSQ Ee pue ege pede 16 5 0 SERVICE AND REPAIR 2 2 2 17 5 1 SERVICE AND REPAIR 5 17 5 2 PRELIMINARY SERVICE PROCEDURRE 17 5 3 PARTS LISTS e ae D eee 17 6 0 5 2 a ou deena bade Mas bd 19 941 946 DIGITAL I O BOARDS FIGURES 2 1 AVME94XX JUMPER LOCATION DRAWING 4500 949 20 2 2 9921 16 CONNECTION DIAGRAM 4500 790 21 2 3 9921 32 CONNECTION DIAGRAM 4500 791 22 2 4 946 CONNECTION DIAGRAM 4500 950 23 2 5 9921 16 DIGIT
2. iii 4 sed 8 04 arod 8504 8300 8804 8590 TM lt arra 8210 8219 arid 8510 0 SOY 509 9 ZEST f 135380 Ci i0 a lt 514 M91334 2154 712 E ETE vt 9 5 5 g lor arg azoa TT 8590 51 PEEP ee O O T WLISTO ra FF avo 12 a 12 25 na 9 SNId NINI 779 2976 SWAY ETHS 2196 573 0 303 9377915 1 LON 1 8800 8600 ated geod id 86900 m 9 3291233 6 x 5 4 94 ry Ed 5 0001 3104 8200 Grog 8500 93020 Dy Es pec eee L 8690 LC Melda 1545 YT LUd 1585 823134 YSP lad YHEZLIYS 310184 90134 NMT id Meld 51844 NILA 2 184 1542 31 m 8 6 840 b Dramuwg i344 O O I 3911018
3. install a jumper at pin 1 or pin 49 on the PB16A termination panel Install appropriate solid state relay modules Connect the 50 Pin ribbon cable between PB16A and the 94 observing the pin 1 index mark 2 9 USE WITH OTHER DEVICES AVME946X 941 X Digital Boards can interface with a variety of discrete devices such as relays switches contact closures and indicators Optional termination panel 6980 16U can be used to connect field wiring to the digital card The following guidelines should be followed to insure proper interfacing 2 9 1 Relays And Other Inductive Loads When driving relays coils or other inductive loads the PROTECT line should be tied to the voltage supply of the loads This puts a diode accross each load to limit the voltage spike generated when an inductive load is switched off quickly Since PROTECT is common to all 16 outputs the supply voltage for all of the loads must be the same Otherwise each load will have to have its own external diode The pullup resistors should be removed from the digital card also See figure 2 7 Relay Driver and Input Configurations for relay driver configurations I 2 941 946 DIGITAL BOARDS 2 9 2 Contact Closures And Switches When sensing contact closures that already are connected to a voltage source the pullup resistor networks should be removed The input voltage should be within the range listed in Specifications Section 6
4. nau ae sod 51404 0 1 NaN 779 1404 021 1404 021 1304 021 15404 0 1 304 5 0119 91530 1 3 4 2195 340v Tr6 71300H 404 Q3TIVLSNI LON 290 100 2901 eor voor Soor 9901 2001 88001 8890 8600 A 0 1304 021 dete alalalciatalaia n ni coi ai mi mi 310184 1540 32 nyo 1 188 1404 51404 0 1 1304 4304 O I 990 119 304 1304 O I 5 19 91530 1 48 etre TTb6 5 304 Q371104SNI LON 8000 8198 8200 9890 8900 9200 1530 1101 2101 TOI STOL 101 2101 9103134 T 0 1
5. AM5 300930 SS3udaqav IWA 938 511915 x lt ju WV49VIG 12018 XLt6 X9v6 3INAV V v 330913 LWORD SYSCLK LWORDB SYSCLKB m c 333309 IWNDIS 1081 5 1 1 55 EET ET ADDCL J 5 viva S N 1404 v N 1404 N 1 4 1 Ag9 593 N 1404 H91V1 104100 AINO 6 Kx NE 5 LNIOd 5 NOWWOD 7911910 1531043 oi 1404 8 dO T JIIUH3HOS LNIOd 0 1 0 314114815 STJAOK 404 1 353854 393308 LIA 8 104100 8012377102 N3dO YINIHA HILVI 118 8 sn S3qoIrq 10310 330 36941100 dA W1Nd HSI 409153 OL FIGURE 4 2 28 29 n UU 026 U27 28 EC 2002 Sy j es 5 S s hl 20 S e St n 222 gt 4 4 z 3 o PI o ZC GCN Seti 941X 946X 1075 4500 946 9168 0051 102 X9v6 EE EEA BS Sui
6. S t 518404 1 NOILDIS SlHOd 1235 1 0 51803 S 1404 18043 41815 45 YOLVINSNI JNVIdNOVE eves 1 9 1804 IWA STANVd 91 0869 531935 520 009 21 WNVUDVIG NOILO3NNOO 26 1266 555 su p eo 08 92 zz 012 LIRE 6600 8126 2 0140 T3NNVHO 26 39V2 JWA V NI SANV1dNOVE Zd OLNI HILdVAV SIHL LON 33VS 24 LON SI HALdVAV 26 1266 310N 41818 5 01 108 ANVIdNOVE 39 9 INA N o Lu 22 38914 23 10005 REIS 506060 00 50 50 58 5008 0909 64 5002 50506 5052068 68 00 BOS 5050 655050056005 AS 09 5059 096009 006000 5252860 5060 5 x H 0185 52150 605250626009 58 AE 5252 5 2460 ABE BES 548 SIDE VIEW 2 lt Suse amp 2355 5 2 32222 3 z olr 5 640 a lt 2 amp 1 o nt P INCHES MILLIMETERS 48 50 49 50 P2 60 49 50 49 ALL DIMENSIONS ARE IN 589925955552
7. 471114 2254 5555555558889888 lt lt lt lt lt lt lt x lt i Orare o COLI TLS tenon ooo 2 12886 EE 1 FIGURE 2 5 24 e 682 0097 11401 ms 0 1 IVLIDIC 56 1266 uu HIIN JAIS SIHONI SNOISN3WIG 117 310N MJA 86 29 erz 80 06 215 CN FIGURE 2 6 9410 0096 25 2 8 246 pv KEKIT CITTA EZTA TTA 234 861 ad co AIME 941 946 WIXOM MICH Acromag 9 11 13 15 27A COMMON SUPPLY PROTECT LINE TIED TO V1 PUTS A PROTECTION DIODE ACROSS EACH RELAY PINS 9 11 13 15 2 78 SEPARATE SUPPLIES EACH RELAY NEEDS ITS OWN EXTERNAL DIODE FIGURE 2 7 RELAY DRIVER CONFIGURATIONS SHOWN FOR PORTS N amp 0 P3 vi SIZE FOR PROPER POWER DISSIPATION 2 8A SIMPLE CONTACT CLOSURE SENSING 2 88 CONTACTS SWITCHING A VOLTAGE FIGURE 2 8 INPUT CONFIGURATIONS SHOWN FOR PORTS amp I O POINT 19018 XL 6 X96 3NAV ao oo 9 88 NY 6 HIIN Sowony AM
8. 9 ST 815 61s ozs Tas 225 25 3598 8 SNIJ 5524009 3598 NO 103135 877 9 IC 4490 9 5 123135 0311915 1 gt 9 SNIJ ETF 5534009 9 sns 23534 X0 53459 1191545 183559 7711 04608 39981 7103 A8 311915 1094 71193545 Zr 1193546 SNA ino ino ino ino ino 100 ino ino 100 ino ino 5535999 3598 1103735 538009 3598 NO 103333 ON SUH SIP dUM ANOWIJW 1 5 9NII12373S 311916 4 SNId BIC 55834009 1340 5 SNA 84 01 580151538 40 71104 1 04 4311916 1 3 9 1305 HONOSHL 3789510 9 399170 dn TT0d 1304 3oUHl 7104 OTP ter 4804294 SHAWN 89514 LIM 1304 5 dN 17Nd 0271 SIP ETP 6 3189N3 0 1 900000000000000000000 600000000000000000000 06060000000000000000000 HIIN WOXUA V NI SANV1dNOVE Zd 871451 44610018 61507 OLN ti3LdVGV SIHL LON L 11090166001 2126 433 33VS LON SI H31dVGV 91 1266 3LON 1908 1403 1804 1403 NOILO3S 4 1 9 81804 285
9. cec 0 062 in 1 59 mm Component 0 550 in 13 97 mm Recommended Card 0 800 in 20 32 mm Mating Connectors PBA EARNER AAA 96 pin 603 2 IEC class 2 stat uma sete tact anu masata Panduit No 100 532 033 Type B Male Connectors rows A amp B equipped even pins only 32 pins total Power Requirements 4 5 Volts 4 596 ien CH tei tete 1 0A typical 1 5 maximum 12 Volts nete 0 no load VME BUS LOADING input low input high A23 A10 0 4 mA 20 uA A8 A1 IACK 051 DSO WRITE 0 2 mA 20 uA LWORD SYSCLK SYSRESET AMS AMO A09 D15 DO 0 1 mA 20 uA VME BUS DRIVE output low output high SYSFAIL 64 mA 3 0 mA D15 DO 48 mA 15 mA VME BUS ACCESS TIME 650nS Measured from the falling edge of DSx to the falling edge of DTACK DIGITAL INPUT OUTPUT NON ISOLATED Input Voltage 0 0 to 5 V DC Input 44 4 0 4 V DC nominal Input GUrTent iet usasqa rint 0 2 mA nominal Points per Board 6 32 or 64 each
10. For isolated or grounded contacts the pullups and the 5 volt supply can be used to establish an input voltage See figure 2 8 Relay Driver and Input Configurations for various input configurations This chapter provides the specific information necessary to program the Digital I O Board 3 0 PROGRAMMING INFORMATION 3 1 The Digital Memory Map The memory map for the Digital I O Board Non Intelligent I O architecture is shown in Figure 3 1 All addresses are in hexadecimal The letters R and W indicates whether a register may be read and or written to The areas marked undefined in the memory map are reserved for future use To allow future compatibility application programs must not use these areas Figure 3 1 Digital I O Board Memory Address Address Base Base HEX 00 Module ID PROM 01 Die pM 3E 3f 40 41 L Undefined L 7E 7F o mee 82 83 1 Undefined FE FF 1001 RW IOPoti 101 102 R W lOPot2 HRW VOPot3 102 104 R W VOPot4 HRW VOPot5 105 __ 7106 R W VOPot6 R W VOPot7 107 108 109 1 Undefined 1 3FF Note For AVME 941X I O Ports 0 7 are Write Only Note Ports 4 through 7 present only on Models AVME 9410 9411 9460 9461 13 AVME941X 946X DIGITAL BOARDS 3 1 1 Board Identification PROM PROM Read Only 01 3F The Board Identification PROM occupies the 32 odd bytes beginning at l
11. __ SYSRESET 050 AMS o S ec 2 M1 2 20 ur oes GND _ A00 13 AG A 04 A02 B qi gt N __20 __ 11 941 946 DIGITAL BOARDS 2 8 USE WITH SOLID STATE RELAYS The AVME 94 Digital I O Board may interface with industry standard solid state relays and termination panels 16 PB32 and their equivalents 2 8 1 Configuring The AVME 94 On the the following jumpers or shorting clips should be in place J2 J4 J6 and J10 Pullup resistor networks R1 R2 R5 87 and R8 are removable Table 2 6 lists the Module Number Bit Positioning for the 1 port registers TABLE 2 6 Module Number Bit Positioning Port Module Number PB16A connected Number 76543210 to 76543210 151413121110 9 8 76543210 N66 76543210 3F6 151413121110 9 8 6 ___ For bit positions corresponding to output modules a 1 state will turn the I O point on and the output latch will sink current 0 state will turn the module off For bit positions corresponding to input modules 1 state indicates the presence of a low voltage for the on state of the module A 0 state indicates a high voltage present 2 8 2 Configuring The PB16A If the PB16A is to get power from the
12. Modifiers 2DH 2 4 ADDRESS ASSIGNMENT Jumpers J17 J18 and J19 are used to establish the base address for the 1k byte block of memory the AVME 94XX will occupy in the Memory Map J17 and J18 selects the base address An open or no jumper installed corresponds to a logic 0 state Refer to Table 2 2 Address Decoding J19 selects the address modifier codes and the Standard or Short Memory Map An open on J19 pins 1 and 2 selects only the Supervisory Access 3DH or 2DH code A short on J19 pins 1 and 2 will allow the card to recognize both the Supervisory and the Non Priviledged Access codes An open or no jumper installed on J19 pins 3 and 4 selects Short Memory Map A short or jumper installed selects Standard Memory Map Refer to Table 2 1 Table 2 1 VMEbus Address Modifier Codes Jumper J19 Address Modifier Addressing Mode Codes Recognized Short Supervisory OUT IN 2DH OR 29H Short Supervisory or Short Non Priveledged Standard Supervisor IN IN 3DH OR 39H Standard Supervisory or Standard Non Priveledged AVME941X 946X DIGITAL BOARDS Table 2 2 VMEbus Address Decoding Jumper J19 Pins 3 amp 4 No Jumper Installed Selecting The Short Memory Map J18 Has No Effect On The Base Address Selection BASE ADDR 515 514 513 512 511 510 11 8 12 10 8 9 8 amp 7 6 amp 5 4 8 3 281 uw a 3b De Pins 918 BASE ADDR S23 S22 S21 S20 S19 S18 S17 S16 HEX 15 amp 16 13 amp 14 11 a
13. Table 2 4 Continued P6 Pin Port N 4 Bit 7 025 33 po v ee PortN 5VOBit7 17 17 r eG ie aig p oM c L2 21232122 1 5 I uq 1 29 p 1 0 C24 J 9 S O gg io 1 7 GND 015016 2 50 GND C13 014 Een Pulp Ports4 amp 5 5 ProtectPorts4 amp 5 3 Port N 6 O Bit 7 8 33 pol 35M k PortN 7V OBit7 6 17 A 1 21 ___ p 12088221 2 AM 2 AO Se be 5040 1 GND C5C6 X 2050 GND 0708 Even Ports6 amp 7 5 687 C2 10 941 946 DIGITAL I O BOARDS 2 7 BACKPLANE REQUIREMENTS The is electrically and mechanically compatible with the VMEbus Specification Manual Revision The backplane connection is made through the 96 pin DIN 41612 connector labeled P1 The signals used are listed in Table 2 5 Table 2 5 Backplane Connector 1 Row A Row B Row C Signal Signal Signal Mnemonic Mnemonic Mnemonic id DO 22 1 1 189 7 2025 00 e C _ pm _6 Ds _7 1 Di 118 1 GND GND 10 SYSCLK SYSFAL GND BERR DS
14. not to cut any other foils nor damage the board in any other way Call Acromag s Applications Engineering Department for assistance 5 3 PARTS LISTS Parts Lists are provided as an aid to the user in troubleshooting the Board also reference the schematic and part location drawings Tables 5 1A to 5 1D list the parts installed on the main board for the various models similarly Tables 5 2A to 5 2C list parts for the LED expansion board Replacement parts and repair services are available from Acromag Changes are sometimes made to improve the product to facilitate delivery or to control cost It is therefore important to include the Component Reference Number the Acromag Part Number the Board Model Number and the Board Serial Number when providing information to order parts bz AVME941X 946X DIGITAL BOARDS Table 5 1 Replaceable Parts REFERENCE NO ACROMAG PART NUMBER DESCRIPTION 74LS244ND 74LS645 IND R1 2 3 4 5 6 7 8 11 1100 268 RES NETWORK 9 4700 OHM RES NETWORK 9 1K 18 941 946 DIGITAL BOARDS 6 0 SPECIFICATIONS Operating Temperature 0 to 70 deg Storage 25 10 85 Physical Double Eurocard Length 9 1871 233 3 E 6 299 160 0 Board Thickness
15. state of the bidirectional I O points Points are grouped 8 to a Port To use a point as an input write a 0 to it first to cause the output driver to go into an off high impedance state That lets the point be pulled to a high voltage level by an onboard pull up resistor The point may then be driven by an external device Reading the point will reflect the INVERTED level at the I O connection To use a point as an output write the desired 1 or to the point If the point is read it will reflect the state of the output as well Note that because inverted logic is used a high level at the I O connection is read as 0 in the Port Registers and a low level is read as 1 This is consistant with the usage of open collector outputs to drive 15 941 946 DIGITAL BOARDS relays and switches A logic 1 in the computer produces a low level at the output driver to pull in a relay and turn something on etc Reset Conditions All of the points are set to 0 which causes the output drivers to go into an off hi z state The result is that all points are configured as inputs 3 1 4 Digital Output Registers Write Only AVME 941X Only 100 107 The Digital Output points are grouped 8 to a port Writing 1 to a point causes the open collector output to turn on which will bring the output to a low state sinking current from the output point Writing a 0 to a point causes the open collector out
16. 4 or 8 8 bit ports or 2 or 4 16 bit ports all with inverted logic Can read the state of points configured as outputs Outputs sink up to 100 mA from an external 5V supply Built in protection diodes for driving relay coils Input hysteresis Compatible with industry standard solid state relays and termination panels PB16 and PB32 AVME 9460 and 9462 provide direct connection to the PB16 termination panel no adapter boards necessary Optional universal termination panel available for use with contact closures relays incandescent lamps TTL and CMOS compatible Byte or word data transfers Board identification PROM Pass Fail Status indicators on the front panel accessible through the front panel or out of the back of the card cage 1 3 FEATURES OF THE AVME 941X AVME941 X Digital Output Board provides a means for interfacing various discrete devices to a VMEbus based computer Interfacing is accomplished by 32 or 64 output points The AVME 941X Digital Output Board features 32 64 programmable Output points lines configured as 4 or 8 8 bit ports or 2 or 4 16 bit ports all with inverted logic e Outputs sink up to 100 mA from up to 30V external source Built in protection diodes for driving relay coils 941 946 DIGITAL I O BOARDS Compatible with industry standard solid state relay termination panels PB16 and PB32 AVME 9410 and 9412 provide direct connection to the PB16
17. 437 Wixom Michigan 48393 7037 USA Copyright 1992 1995 Acromag Inc Printed in USA Data and specifications subject to change without notice 941 946 DIGITAL BOARDS TABLE OF CONTENTS CHAPTER Page 1 0 GENERAL INFORMATION eee eie denotat 4 da INTRODUGTION fe 6555 hayu as 4 1 2 FEATURES 946 Xe svelte 4 1 3 FEATURES OF THE 4 4 1 4 VMEbus INTERFACE 5 2 0 PREPARATION FOR USE 5 21 UNPACKING AND 1 5 2 2 CARD CAGE CONSIDERATIONS sled a e 5 2 3 BOARD CONFIGURATION ists 6 2 3 1 Default Jumper Configuration 6 2 4 ADDRESS 5 6 2 5 JUMPER AND OPTIONS R 8 2 6 VO CONNEC e ass 8 2 7 BACKPLANE REQUIREMENT S 11 2 8 USE WITH SOLID STATE 12 2 8 1 Configuring the 12 2 8 2 Configuring the 16 12 2 9 USE WITH OTHER DEVIGCES 12 2 9 1 Relays and Other Inductive 10 58 12 2 9 2 Contact Closures 13 3 0 PROGRAMMING
18. AL 1 0 ADAPTER CARD 4500 788 24 2 6 9921 32 DIGITAL 1 0 ADAPTER CARD 4500 789 eene 25 2 7 RELAY DRIVER CONFIGURATIONS 4500 7432 emen 26 2 8 INPUT 5 4500 743 26 4 1 AVME946X 941X BLOCK 4500 948 2 27 4 2 SIMPLIFIED POINT SCHEMATIC 4500 947 enne 28 AVME946X 941X SCHEMATIC amp PART LOCATION DRAWING 4500 946 29 941 946 DIGITAL BOARDS 1 0 GENERAL INFORMATION 1 1 INTRODUCTION This manual covers eight models of digitial boards Table 1 1 lists the model numbers and their major differences MODEL INTERACE FRONT PANEL REAR ACCESS POINTS ACCESS AVME9460 64 I O 6 AVME9461 64 9462 32 63 5910 1 AVME9410 64 P3 P4 P5 P6 __ 9411_ 64OUTPUS __ 9412 2 5 4 9413 1 P General Features The 946 Digital Input Output I O Board provides a means for interfacing various discrete devices to a VMEbus based computer Interfacing is accomplished by 32 or 64 general purpose I O points which under software control may be individually programmed to be inputs or outputs 1 2 FEATURES OF THE AVME 946X 32 64 programmable points lines configured as
19. Acromag 9 5 941 946 Digital I O Board 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 8500 244 B97J006 941 946 DIGITAL BOARDS The information in this manual is subject to change without notice Acromag Inc makes no warranty of any kind with regard to this material including but not limited to the implied warranties of merchantability and fitness for a particular purpose Further Acromag Inc assumes no responsibility for any errors that may appear in this manual and makes no commitment to update nor keep current the information contained in this manual No part of this manual may be copied or reproduced in any form or by any means without the prior written consent of Acromag Inc IMPORTANT SAFETY CONSIDERATIONS It is very important for the user to consider the possible adverse effects of power wiring component sensor or software failures in designing any type of control or monitoring system This is especially important where economic property loss or human life is involved It is important that the user employ redundancy and comprehensive failure analysis to insure a safe and satisfactory overall system design It is agreed between the Buyer and Acromag that this is the Buyer s responsibility Acromag Inc Tel 248 624 1541 30765 South Wixom Road Fax 248 624 9234 P O Box
20. W this bit when written will control the state of the red LED on the front panel and the state of the VMEbus SYSFAIL signal A 1 will turn it off and set SYSFAIL high a 0 will turn it on and set SYSFAIL low Reading it will reflect its current state Reset Condition Will read a 0 LED and SYSFAIL is set low The status register bits 1 and 0 along with the green and red LEDs provide the user with a means of keeping track of a board s functionality in the system Since there is no intelligence on the board the host computer controls these bits The following is one possible use of the bits in the status register and the LEDs on the front panel On power up the bits in the status register will read low with the green LED off the red LED lit and SYSFAIL low This indicates that the board has failed or that it hasn t been tested yet The Status Register Bit 1 reads low and Bit 0 reads high The LEDs will both be off and SYSFAIL is high This indicates an inactive board The Status Register Bit 1 reads high and Bit 0 reads low The LEDs will both be lit SYSFAIL is low This indicates the board is undergoing a diagnostic checkout The Status Register Bits 1 and 0 read high The green LED will be lit with the red LED off SYSFAIL is high This indicates the board is fully functional 3 1 3 Digital Port Registers Read Write 946X Only 100 107 The I O Port Registers reflect and or control the
21. ipping cartons and packing material be saved for future use in the event the product must be shipped The board is physically protected with foam and electrically protected with an antistatic bag during shipment It is advisable to visually inspect the board for evidence of mishandling prior to applying power CAUTION SENSITIVE ELECTRONIC DEVICES USE ANTI STATIC HANDLING PROCEDURES 2 2 CARD CAGE CONSIDERATIONS Refer to the specifications for bus loading and power requirements Be sure that the system power supplies are able to accommodate the additional requirements within the voltage tolerances specified 941 946 DIGITAL BOARDS Adequate air circulation must be provided to prevent a temperature rise above the maximum operating temperature Large and continuing fluctuations in ambient air temperature should be avoided If the installation is in an industrial environment and the board is exposed to environmental air careful consideration should be given to air filtering 2 3 BOARD CONFIGURATION The Digital Board may be configured a variety of ways for many different applications Each possible jumper setting will be discussed in the following sections The jumper locations are shown in Figure 2 1 2 3 1 Default Jumper Configuration VMEBUS INTERFACE CONFIGURATION When a board is shipped from the factory it is configured as follows e VMEbus Short I O Address of OOOOH Set to respond to both Address
22. mp 12 9 amp 10 7 amp 8 5 amp 6 3 amp 4 1 amp 2 us TI oor Dum puer t E Is 941 946 DIGITAL BOARDS 2 5 JUMPERS AND OPTIONS Several jumpers have been included to allow for flexible interfacing to external devices Table 2 3 describes the various jumpers and their functions TABLE 2 3 Jumper Descriptions Port pullup voltage jumper Jumpers in place When in placem pulls the I O lines to 5V through the removable pullup networks Port N 0 output driver enable J1 15 Odd made with Port N 1 output driver enable a thin trace on solder Port N 2 output driver enable side Cutting a jumper Port N 3 output driver enable will disable that group of Port N 4 output driver enable 8 ouputs Port N 5 output driver enable Port N 6 output driver enable Port N 7 output driver enable J1 J15 Odd are used only in cases where it is absolutely necessary to have outputs disabled through hardware See section 3 5 Programming Considerations for software enabling disabling of outputs 26 CONNECTIONS On Model AVME94X1 the 64 I O points are accessible through 96 Din 41612 connector labeled P2 CAUTION DO NOT PLUG P2 INTO ANY BACKPLANES IN A CARD CAGE adapter cards Model 9921 16 9921 32 are used to interface between P2 and the ribbon cables These ada
23. n selected for characteristics beyond that specified by the manufacturer Acromag has automated test equipment that thoroughly checks the performance of each board When a board is first produced and when any repair is made it is tested placed in a burn in room at elevated temperature and retested before shipment Please refer to Acromag s Service Policy Bulletin or contact Acromag for complete details on how to obtain parts and repair 5 2 PRELIMINARY SERVICE PROCEDURE Before beginning repair be sure that all of the procedures in Chapter 2 Preparation For Use have been followed The procedures are necessary since the board has jumpers that must be properly configured CAUTION POWER MUST BE OFF BEFORE REMOVING OR INSERTING BOARDS Note It has been observed that on occasion a boot program for a disk operating system will hang waiting for the VMEbus SYSFAIL signal to be released by an intelligent disk controller board Acromag s non intelligent slave boards assert the SYSFAIL signal as described the VMEbus Specification Rev C 1 and therefore the disk operating system will remain hung The best solution to this problem is to correct the boot program so that it is no longer dependent upon the SYSFAIL signal When this solution is not practical it is possible to disconnect the SYSFAIL from the circuitry on the Acromag board by cutting a PC board foil near the P1 connector on the solder side Caution should be exercised so as
24. ocation 01 These bytes contain ASCII character strings that identify various characteristics of the board See figure 3 2 Figure 3 2 Digital Board Identification PROM From Board ASCII Descriptions Base Address Character Always VMEID for all boards Manufacturers ACR for ACROMAG Board Model Number 7 characters blank filled Number of Kilobytes of address space used Major functional revision level Minor functional revision level Undefined Reserved Undefined Undefined Undefined Undefined Undefined Undefined Undefined Undefined Undefined Undefined Undefined 14 AVME941X 946X DIGITAL BOARDS 3 1 2 Board Status Register read write 81H The Board Status Register reflects and controls functions globally on the board MSB LSB 7 6 5 4 3 2 1 0 lt Reserved gt Software lt Reserved gt Green Red Reset LED LED Where 7 6 5 3 2 Reserved for future use equal 0 if read Bit 4 Software Reset W writing a 1 to this bit causes a software reset Writing 0 or reading the bit has no affect A software reset turns all of the ports off which effectivly programs the ports for inputs Bit 1 Green LED R W this bit when written will control the state of the green LED on the front panel A 1 will turn it on a 0 will turn it off Reading it will reflect its current state Reset Condition Will read a 0 LED off Bit 0 Red LED R
25. point can be configured as an input or an output Points per Board 32 or 64 outputs Output AY ol asyay a ec Open collector with removable pull up resistor Output Voltage Range 946 0 to 5 V DC Output Voltage Range 9 1 0 to 30 V DC Output Current Sink 100 mA max From an external supply 24 mA max From an internal supply Output Saturation Voltage 100 1 1 V max 0 9V typ Logic LSTTL CMOS others Power Up to Stable Output lt 500 uS Reset to Stable Output Time 1uS 19 nm Bp6 005Sp TJD T kil munas NOI 19207 1944 AYYANYLS HO 5 5 6 Bowoby 1033405 GYYGNYLS G39G3130n1 d NON LYOHS 083405 LYOHS HSZ AXOSTINAadNS LYOHS ine ino ino ino ino Ano 53802 SNIJ SNId 170 9NISS3NGQU 5534 9 400 100 ino 100 53003 ASI4IGOW 55340089 sng ER e er ET
26. pters mount to the back of a VME cage to provide the mating socket for P2 Refer to termination panel connection diagrams figure 2 2 and 2 3 On Model 94 four 50 pin ribbon cable connectors labeled P5 and P6 on the front panel are used to access the 64 I O points Refer to the termination panel connection diagram figure 2 4 Refer to Table 2 4 for the I O Connector Pin Assignments AVME941X 946X DIGITAL BOARDS Table 2 4 I O Connectors P2 P5 amp P4 Pin Port N 0 Bit7 B25 33 6 826 35 Y 96 B7 3 j 4 B8 3 B9 4 J 2 Bo 4 1 45 0 B2 47 1 817 17 16 B8 19 5 Bo 2 4 BO 2 8 Bei 2 B9 149 Pullup Ports 0 amp 1 Protect Ports 0 amp 1 2 7 5 A26 A27 sl 5V 2 A390 4 100 PotN 3VOBIt7 7 17 6 19 2 4 Ad 2 3 Ad 2 1 12 A2 27 823 T a 0 A4 j 3 91 GND 866 2thu50 GND 8 08 Even 283 B3 6 5 Pullup Ports 0 amp 1 Protect Ports 0 amp 1 Port N 2 IO Bit 7 02 CO co 1 O1 C5 941 946 DIGITAL I O BOARDS
27. put to turn off which will allow the pullup resistors to pull the output point to a high state Reset Conditions All of the points are an off high impedance state 4 0 THEORY OF OPERATION This chapter describes the circuitry of the Digital Board A block diagram of this board is shown in Figure 4 1 Schematics of the board are in chapter 7 4 1 VMEbus Interface The VMEbus Interface is composed of 3 functional areas e Data Buffers U27 U28 e Address Latch Buffer and Comparators U21 U3 U22 U24 Control Buffers 025 026 4 2 Board Controller The Board Controller is composed of 5 functions U19 Card and Register decoding VMEbus Interface controller PROM controller Status register Digital Port controller 4 3 Digital Port Section The Digital Port is composed of an output latch and an input buffer A simplified point schematic is shown figure 4 2 Output Latch U1 U3 U5 U7 U9 U11 U13 U15 Input Buffer Models AVME 946 only U2 U4 U6 08 010 012 014 016 16 941 946 DIGITAL BOARDS 5 0 SERVICE AND REPAIR INFORMATION This chapter provides instructions on how to obtain service and repair assistance service procedures and component parts lists 5 1 SERVICE AND REPAIR ASSISTANCE It is highly recommended that a non functioning board be returned to Acromag for repair Acromag uses tested and burned in parts and in some cases parts that have bee
28. termination panel no adapter boards necessary Optional universal termination panel available for use with contact closures relays incandescent lamps TTL and CMOS compatible Byte or word data transfers Board identification PROM Pass Fail Status indicators on the front panel I O accessible through the front panel or out of the back of the card cage 1 4 VMEbus INTERFACE FEATURES Slave module A24 A16 D16 D08 EO Short I O Address Modifiers 29H 2DH H Hex Standard Address Modifiers 39H 3DH H Hex 1 7 interrupter jumper programmable interrupt level software programmable interrupt vectors for digital input channels 0 7 interrupt release mechanism is Release On Register Access RORA type e Decode on 1K byte boundaries 2 0 PREPARATION FOR USE This chapter provides information about preparing the Isolated Digital Board for system operation 2 1 UNPACKING AND INSPECTION Inspect the shipping carton immediately upon receipt for evidence of mishandling during transit If the shipping carton is severely damaged or water stained request that the carrier s agent be present when the carton is opened If the carrier s agent is absent when the carton is opened and the contents of the carton are damaged keep the carton and packing material for the agent s inspection For repairs to a product damaged in shipment refer to the Acromag Service Policy to obtain return instructions It is suggested that salvageable sh

Series 941X/946X Digital I/O Board USER`S MANUAL

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