Acromag 941 Series, User Manual

Page 1: ...Series 941X 946X 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 retired ...

Page 2: ... 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 ...

Page 3: ...O CONNECTIONS 8 2 7 BACKPLANE REQUIREMENTS 11 2 8 USE WITH SOLID STATE RELAYS 12 2 8 1 Configuring the AVME94XX 12 2 8 2 Configuring the PB16A 12 2 9 USE WITH OTHER DEVICES 12 2 9 1 Relays and Other Inductive Loads 12 2 9 2 Contact Closures and Switches 13 3 0 PROGRAMMING INFORMATION 13 3 1 MEMORY MAP 13 3 1 1 Board Identification PROM 14 3 1 2 Board Status Register 15 3 1 3 Digital I O Port Regis...

Page 4: ...1 2 3 9921 32 CONNECTION DIAGRAM 4500 791 22 2 4 AVME946X CONNECTION DIAGRAM 4500 950 23 2 5 9921 16 DIGITAL I 0 ADAPTER CARD 4500 788 24 2 6 9921 32 DIGITAL I 0 ADAPTER CARD 4500 789 25 2 7 RELAY DRIVER CONFIGURATIONS 4500 743 26 2 8 INPUT CONFIGURATIONS 4500 743 26 4 1 AVME946X 941X BLOCK DIAGRAM 4500 948 27 4 2 SIMPLIFIED I O POINT SCHEMATIC 4500 947 28 AVME946X 941X SCHEMATIC PART LOCATION DRA...

Page 5: ...ed 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 termina...

Page 6: ...t preparing the Isolated Digital I O 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 th...

Page 7: ...to respond to both Address 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 Sho...

Page 8: ...S10 2 1 0000 OUT OUT OUT OUT OUT OUT 0400 OUT OUT OUT OUT OUT IN 0800 OUT OUT OUT OUT IN OUT F400 IN IN IN IN OUT IN F800 IN IN IN IN IN OUT FC00 IN IN IN IN IN IN Pins of J18 BASE ADDR HEX S23 15 16 S22 13 14 S21 11 12 S20 9 10 S19 7 8 S18 5 6 S17 3 4 S16 1 2 000000 OUT OUT OUT OUT OUT OUT OUT OUT 010000 OUT OUT OUT OUT OUT OUT OUT IN 020000 OUT OUT OUT OUT OUT OUT IN OUT 030000 OUT OUT OUT OUT O...

Page 9: ...ort N 5 output driver enable J1 Port N 6 output driver enable J11 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 2 6 I O CONNECTIONS On Model AVME94X1 the 64 I O points are accessible through a 96 pin Din 41612 connector l...

Page 10: ... 0 B32 47 Port N 1 I O Bit 7 B17 17 6 B18 19 5 B19 21 4 B20 23 3 B21 25 2 B22 27 1 B23 29 0 B24 31 5V B9 1 49 GND B13 B14 2 thru 50 GND B15 B16 Even Pullup Ports 0 1 B11 5 Protect Ports 0 1 B10 3 Port N 2 I O Bit 7 A25 33 6 A26 35 5 A27 37 4 A28 39 3 A29 41 2 A30 43 1 A31 45 0 A32 47 Port N 3 I O Bit 7 A17 17 6 A18 19 5 A19 21 4 A20 23 3 A21 25 2 A22 27 1 A23 29 0 A24 31 5V B1 1 49 GND B5 B6 2 thr...

Page 11: ...C32 47 Port N 5 I O Bit 7 C17 17 6 C18 19 5 C19 21 4 C20 23 3 C21 25 2 C22 27 1 C23 29 0 C24 31 5V C9 1 49 GND C15 C16 2 thru 50 GND C13 C14 Even Pullup Ports 4 5 C11 5 Protect Ports 4 5 C10 3 Port N 6 I O Bit 7 A8 33 6 A7 35 5 A6 37 4 A5 39 3 A4 41 2 A3 43 1 A2 45 0 A1 47 Port N 7 I O Bit 7 A16 17 6 A15 19 5 A14 21 4 A13 23 3 A12 25 2 A11 27 1 A10 29 0 A9 31 5V C1 1 49 GND C5 C6 2 thru 50 GND C7 ...

Page 12: ...led P1 The signals used are listed in Table 2 5 Table 2 5 Backplane Connector P1 Pin Number Row A Signal Mnemonic Row B Signal Mnemonic Row C Signal Mnemonic 1 D00 D08 2 D01 D09 3 D02 D10 4 D03 D11 5 D04 D12 6 D05 D13 7 D06 D14 8 D07 D15 9 GND GND 10 SYSCLK SYSFAIL 11 GND BERR 12 DS1 SYSRESET 13 DS0 LWORD 14 WRITE AM5 15 GND A23 16 DTACK AM0 A22 17 GND AM1 A21 18 AS AM2 A20 19 GND AM3 A19 20 IACK ...

Page 13: ...e 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 AVME94XX 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 AVME94XX observing the pin 1 index mark 2 9 USE WITH OTH...

Page 14: ...tal I O Memory Map The memory map for the Digital I O Board a 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 AVME94XX D...

Page 15: ...ard Base Address ASCII Character Numeric Descriptions 01H V 56H Always VMEID for all boards 03H M 4DH 05H E 45H 07H I 49H 09H D 44H 0BH A 41H Manufacturers I D ACR for ACROMAG 0DH C 43H 0FH R 52H 11H 9 39H Board Model Number 7 characters 13H 4 34H blank filled 15H 1 31H 17H 0 30H 19H 20H 1BH 20H 1DH 20H 1FH 1 31H Number of Kilobytes of address space used 21H 20H Major functional revision level 23H...

Page 16: ... 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 inacti...

Page 17: ...turn off which will allow the pullup resistors to pull the output point to a high state Reset Conditions All of the I O points are in 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 fun...

Page 18: ...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 in 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 tha...

Page 19: ...LS257AND U19 1033 715 XC2018 U20 1033 263 74LS32ND U21 1033 283 74LS373ND U22 24 1033 626 25LS2521PCB U23 25 1033 273 74LS244ND U26 1033 623 74F38N U27 28 1033 627 74LS645 IND R1 2 3 4 5 6 7 8 11 1100 268 RES NETWORK 9 4700 OHM R9 10 1100 490 RES NETWORK 9 1K C1 C18 1002 530 CAP MONO O 1UF C19 1002 320 CAP TAN 1 UF C20 C27 1002 315 CAP TAN 10UF D1 1001 165 LED GREEN D2 1001 166 LED RED D3 D10 1001...

Page 20: ...RITE 0 2 mA 20 uA LWORD SYSCLK SYSRESET AM5 AM0 A09 D15 D0 0 1 mA 20 uA VME BUS DRIVE CURRENT output low output high DTACK BERR SYSFAIL 64 mA 3 0 mA D15 D0 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 Range 0 0 to 5 V DC Input Hysteresis 0 4 V DC nominal Input Current 0 2 mA nominal Points p...

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