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Summary of Contents for Acromag 941 Series
- Page 1 Series 941X/946X Digital I/O Board 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 8500-244-B97J006...
- Page 2 DIGITAL I/O 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.
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Page 3: Table Of Contents
AVME941X/946X DIGITAL I/O BOARDS _________________________________________________________________________________ TABLE OF CONTENTS CHAPTER Page 1.0 GENERAL INFORMATION...................... 4 1.1 INTRODUCTION........................4 1.2 FEATURES OF THE AVME946X..................... 4 1.3 FEATURES OF THE AVME941X..................... 4 1.4 VMEbus INTERFACE FEATURES................... 5 2.0 PREPARATION FOR USE....................... 5 2.1 UNPACKING AND INSPECTION..................... 5 2.2 CARD CAGE CONSIDERATIONS................... - Page 4 AVME941X/946X 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 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)..............
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Page 5: General Information
AVME941X/946X DIGITAL I/O 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 P3, P4, P5, P6 AVME9461 64 I/O AVME9462... -
Page 6: Vmebus Interface Features
For repairs to a product damaged in shipment, refer to the Acromag Service Policy to obtain return instructions. It is suggested that salvageable shipping cartons and packing material be saved for future use in the event the product must be shipped. -
Page 7: Board Configuration
AVME941X/946X DIGITAL I/O 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. - Page 8 AVME941X/946X DIGITAL I/O BOARDS _________________________________________________________________________________ Table 2.2 VMEbus Address Decoding Jumper J19 Pins 3 & 4 - No Jumper Installed - Selecting The Short Memory Map. J18 Has No Effect On The Base Address Selection. Pins of J17 BASE ADDR (HEX) (11 &...
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Page 9: Jumper And Options
AVME941X/946X DIGITAL I/O 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 Jumper Function Condition as shipped Port pullup voltage jumper. - Page 10 AVME941X/946X DIGITAL I/O BOARDS _________________________________________________________________________________ Table 2.4 I/O Connectors P2, P3, P4, P5 & P6 Functions P2 Pin # P3 Pin # P4 Pin # Port N+0 I/O Bit 7 Port N+1 I/O Bit 7 1,49 B13,B14 2 thru 50 B15,B16 Even Pullup Ports 0 &...
- Page 11 AVME941X/946X DIGITAL I/O BOARDS _________________________________________________________________________________ Table 2.4 Continued Functions P2 Pin # P5 Pin # P6 Pin # Port N+4 I/O Bit 7 Port N+5 I/O Bit 7 1,49 C15,C16 2 thru 50 C13,C14 Even Pullup Ports 4 & 5 Protect Ports 4 &...
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Page 12: Backplane Requirements
AVME941X/946X DIGITAL I/O BOARDS _________________________________________________________________________________ BACKPLANE REQUIREMENTS The AVME94XX is electrically and mechanically compatible with the VMEbus Specification Manual, Revision C. 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 P1 Row A Row B... -
Page 13: Use With Solid State Relays
AVME941X/946X DIGITAL I/O BOARDS _________________________________________________________________________________ 2.8 USE WITH SOLID STATE RELAYS The AVME 94XX Digital I/O Board may interface with industry standard solid state relays and termination panels PB16A, PB32 and their equivalents. 2.8.1 Configuring The AVME - 94XX On the AVME94XX, the following jumpers or shorting clips should be in place: J2, J4, J6 and J10. Pullup resistor networks R1, R2, R3, R4, R5, R6, R7 and R8 are removable. -
Page 14: Contact Closures And Switches
AVME941X/946X DIGITAL I/O 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. For isolated or grounded contacts the pullups and the +5 volt supply can be used to establish an input voltage. -
Page 15: Board Identification Prom
ASCII Numeric Descriptions Base Address Character Always VMEID for all boards. Manufacturers I.D., 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. -
Page 16: Board Status Register
AVME941X/946X DIGITAL I/O BOARDS _________________________________________________________________________________ 3.1.2 Board Status Register - (read/write) - 81H The Board Status Register reflects and controls functions globally on the board. ---------------------------------------------------------------------------------------------------------------- <------ Reserved ------> Software <------ Reserved ------> Green Reset Where: Bits 7,6,5,3,2: Reserved for future use - equal "0" if read. Bit 4: Software Reset (W) - writing a "1"... -
Page 17: Digital I/O Port Registers
AVME941X/946X DIGITAL I/O 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 I/O points are set to "0" which causes the output drivers to go into an off (hi-z) state. The result is that all I/O points are configured as inputs. -
Page 18: Service And Repair Information
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. - Page 19 AVME941X/946X DIGITAL I/O BOARDS _________________________________________________________________________________ Table 5.1 Replaceable Parts REFERENCE NO. ACROMAG PART NUMBER DESCRIPTION U1,3,5,7,9,11,13,15 1033-515 UCN5801ABU U2,4,6,8,10,12,14,16 1033-272 74LS24OND 1033-358 2732A-3 1033-278 74LS257AND 1033-715 XC2018 1033-263 74LS32ND 1033-283 74LS373ND U22, 24 1033-626 25LS2521PCB U23, 25 1033-273 74LS244ND 1033-623...
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Page 20: Specifications
AVME941X/946X DIGITAL I/O BOARDS _________________________________________________________________________________ 6.0 SPECIFICATIONS Operating Temperature ............... 0 to +70 deg. C Storage Temperature..............-25 to +85 deg. C Physical Characteristics:............... (Double Eurocard) Length..................9.187 in. (233.3 mm) Width..................6.299 in. (160.0 mm) Board Thickness..............0.062 in. (1.59 mm) Component Height..............
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