20A302-00 E2 User Manual - Diamond Point International
Contents
1. e Switching time for output change lt 200us e Isolation voltage optocoupler 500V DC Input Characteristics e Input voltage min OV Input voltage max external supply voltage 12 32V Voltage level log 0 0V 6V or open Voltage level log 1 12V 32V Input current log 1 2 03mA 24V Switching threshold 9 2V 9 0 78mA typ e Switching time for input change min 33us max 44us Excess voltage protection max 47V Peripheral Connections Via front panel on four shielded 44 pin HD Sub receptacle connectors VMEbus Only one slot required on the VMEbus e A24 A16 D16 D08 EO slave D08 O interrupter MEN Mikro Elektronik GmbH 3 20A302 00 E2 2008 07 22 Technical Data Electrical Specifications solation voltage 500V DC between isolated side and digital side 180V DC between the channels Voltage between the connector shield and isolated ground is limited to 180V using a varistor AC coupling between connector shield and isolated ground through 47nF capacitor Supply voltage power consumption 5V 4 85 V 5 25V 106mA 43V 3 0V 3 6V 27mA 24V external supply voltage 12 32V 78mA total for all units Mechanical Specifications Dimensions standard double Eurocard 233 3mm x 160mm Weight 280g Environmental Specifications Temperature range operation 0 60 C or 40 4 85 C Airflow min 10m3 h e Temperature range storage 40 85 C Relative humidity ran2. 22 Setting the base address Example A16 005 22 Labels giving the board s article number revision and serial number 26 Tables Table 1 Table 2 Table 3 Table 4 Table 5 Table 6 MEN Mikro Elektronik GmbH 20A302 00 E2 2008 07 22 Pin assignment of the 44 pin HD Sub connectors 15 Signal mnemonics of peripheral connectors 0005 15 Address modifier codes permitted on A302 0002 23 Pin assignment of the 96 pin VMEbus P1 connector 24 Local address map 5 oia mites sa IP be Parto etat tested 25 Local address map for one VO unit iioc ee 25 12 Getting Started 1 Getting Started This chapter will give an overview of the board and some hints for first installation in a system as a check list 1 1 Map of the Board Figure 1 Map of the board top view VO Unit 4 VMEbus Connector P1 O Unit 3 DIL Switches for Setting the VMEbus Base Address VO Unit 2 VO Unit 1 MEN Mikro Elektronik GmbH 13 20A302 00 E2 2008 07 22 Getting Started 1 2 Integrating the Board into a System You can use the following check list to install the I O board in a system for the first time and to test proper functioning of the board The A302 has an A24 D16 or A16 D16 VMEbus slave interface This interface only requires the board s upper 96 pin connector P1 on the board The A302 has no P2 connector so that peripherals can only be
3. Again no bus error should occur Write accesses to this memory location should be successful for the right half of the word For instance if 0x55 is written to the register it should be possible to read 0xxx55 1 3 Installing Driver Software For a detailed description on how to install driver software please refer to the M66 software user manual MEN Mikro Elektronik GmbH 14 20A302 00 E2 2008 07 22 2 Connecting the Board 2 1 Peripheral Interfaces Connecting the Board Peripherals can be connected via four 44 pin HD Sub connectors at the front panel Table 1 Pin assignment of the 44 pin HD Sub connectors o ose ose ose O90 oso ese ese ose ose ose 44 43 42 41 40 39 38 37 36 35 34 33 32 31 1032 1029 1026 I 24V 1023 1020 1017 I 24V 1014 1011 IGND 108 105 102 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 1 24V 1030 1027 IGND 1024 1021 1018 1 24V 1015 1012 109 1 24V 106 103 IGND 15 14 13 12 11 10 9 MO wos ODN OC I 24V 1031 1028 1025 1424V 1022 1019 IGND 1016 1013 1010 1424V 107 104 101 Connector types 44 pin high density D Sub receptacle similar to DIN41652 MIL C 24308 with thread bolt UNC 4 40 mating connector 44 pin high density D Sub plug similar to DIN41652 MIL C 24308 available e g for hand soldering connection or crimp connection Table 2 Signal mnemonics of peripheral connecto
4. Vector Register r w A302 A201S compatible 0x104 0x106 reserved All local registers of the board can be accessed using the VMEbus base address as the Local Base Address LocalBaseAddress VMEBaseAddress UnitNo 0x200 MEN Mikro Elektronik GmbH 25 20A302 00 E2 2008 07 22 Appendix 5 Appendix 51 Literature and Web Resources A302 data sheet with up to date information and documentation www men de VMEbus General The VMEbus Specification 1989 The VMEbus Handbook Wade D Peterson 1989 VMEbus International Trade Association www vita com 5 2 Finding out the Board s Article Number Revision and Serial Number MEN user documentation may describe several different models and or hardware revisions of the A302 You can find information on the article number the board revision and the serial number on two labels attached to the board Article number Gives the board s family and model This is also MEN s order ing number To be complete it must have 9 characters Revision number Gives the hardware revision of the board Serial number Unique identification assigned during production If you need support you should communicate these numbers to MEN Figure 5 Labels giving the board s article number revision and serial number mar Made in Article No Rev No poem Germany 2 00 00 00 Complete article number Revision number Serial number MEN Mikro Elektronik GmbH 2
5. if SRT is switched off standard accesses are allowed MEN Mikro Elektronik GmbH 21 20A302 00 E2 2008 07 22 Functional Description Figure 3 Setting the base address Default A24 Default Mode A24 SRT Default Base Address not used 0xE00000 not used A11 A12 A13 A14 A15 N Da A Oo m A16 A17 A18 A19 A20 A21 A22 A238 1 2 3 4 5 6 7 8 Example Address Mode A16 SRT Base Address not used 0x4000 not used A11 A12 A13 A14 A15 o N OOA OUN A16 A17 A18 A19 A20 A21 A22 A23 1 2 3 4 5 6 M 8 MEN Mikro Elektronik GmbH 22 20A302 00 E2 2008 07 22 Functional Description 3 7 1 2 Address Modifiers The VMEbus has 6 address modifier lines These lines allow the master to transfer additional binary information to the slave during a data transfer cycle The lines are used to divide the address space of the VMEbus into several classes The following codes are permitted for the A302 Table 3 Address modifier codes permitted on A302 HEX AM l Function SRT Code 5 4 3 1 0 3d 39 H HIH L H Standard supervisory and non privileged off data access 2d 29 HIL HIL H Short supervisory and non privileged on data access As mentioned above SRT specifies standard or short access The factory setting allows supervisor mode and nonprivileged mode access Other address modes are possible in principle They
6. connected via the front panel If it is required for the board to issue an interrupt via the bus then the daisy chain must be established through to the A302 M Power down the system Mi The board is set for A24 accesses the base address being 0XE00000 This base address is set using DIL switches It may be necessary to set it to an address with which the master can access the board in A24 D16 mode If you have to change the base address please refer to Chapter 3 7 1 1 Setting the Base Address on page 21 M Insert the A302 into your VMEbus system making sure that the VMEbus con nectors are properly aligned MI Power up the system E After power up load a suitable debugger V First attempt to perform a read word access to the base address plus 0x100 i e OXEO0100 if the base address was not altered With 32 bit masters it may be necessary to load a register on the master board to set the access mode In any case you should be aware of the contents of the high order byte of the 32 bit address For instance access may require using address OXFFE00100 or OXFCEO0100 or any other address depends on the master board M If a bus error occurs while you are attempting to read check if the base address is set correctly and whether it is possible for the master to access the VMEbus at all at the selected address and using the correct mode Then try again V Now attempt to perform a word access to the base address plus 0x102
7. 100 compatible to MEN s A201S board 3 7 1 Slave Interface The A302 board is equipped with an A16 A24 D106 slave interface i e only cycles with standard 24 bit addresses and short 16 bit address range are supported For accesses from the VMEbus the slave recognizes this type of cycle on the basis of the address modifier lines The data bus interface of the A302 complies with the D16 specification The A302 will operate with masters which support so called address pipelining DTACK is generated 120ns after AS at the earliest The maximum access time is limited to 10us 3 7 1 1 Setting the Base Address The A302 occupies an area of 0x800 in the address space Identical quarters of this i e 0x200 are reserved for each I O unit together with the interrupt handler The base address of the A302 can be varied in increments of 0x800 within the whole A16 or A24 address range It is set using DIL switches There is one switch for each address bit from A11 to A23 If the switch is on the corresponding address bit is compared with 0 If the switch is off it is compared with 1 If the address is the same as the switch setting taking address modifiers into account a select signal for the board is generated In the short address range the switches corresponding to A16 to A23 are ignored The selection between short address range and standard address range is made by the SRT switch If SRT is switched on short accesses are possible
8. 20A302 00 E2 2008 07 22 A302 6U VMEbus Card with 128 Binary I Os TTT ee tt F tdi r4 t een Ara fey eA EET PA Ae m om m Configuration example User Manual man mikro elektronik gmbh n rnberg A302 6U VMEbus Card with 128 Binary I Os A302 6U VMEbus Card with 128 Binary I Os The A302 is an input output VMEbus target board for 128 binary process signals The I Os are divided into four optically isolated units The card is used for input output of digital signals with different voltage levels and ground references For each unit 32 channels are driven to a 44 pin D Sub connector Each channel can be either input or output The binary inputs outputs can be universally used in industrial systems They are optically isolated from the system which is essential for advanced automotive and industrial applications MEN Mikro Elektronik GmbH 2 20A302 00 E2 2008 07 22 Technical Data Technical Data Binary I Os 128 binary signals 4 optically isolated units 32 channels for each unit Individual use of each channel as input or output Individual edge triggered interrupts Input output load on ground High side output switches High output current Max 1 9A per channel Max 16A per unit Over current and over temperature protection Output Characteristics Output voltage range 12V 32V e Output current log 0 max 10mA Output current log 1 max 1 9A
9. 6 20A302 00 E2 2008 07 22 You can request the circuit diagrams for the current revision of the product described in this manual by completely filling out and signing the following non disclosure agreement Please send the agreement to MEN by mail We will send you the circuit diagrams along with a copy of the completely signed agreement by return mail o MEN reserves the right to refuse sending of confidential information for any reason that MEN may consi mikro elektronik der substantial gmbh n rnberg Non Disclosure Agreement for Circuit Diagrams provided by MEN Mikro Elektronik GmbH between MEN Mikro Elektronik GmbH Neuwieder Stra e 5 7 D 90411 N rnberg MEN and Recipient We confirm the following Agreement MEN Recipient Date Date Name Name Function Function Signature Signature MEN Mikro Elektronik GmbH Neuwieder Strafe 5 7 90411 N rnberg Deutschland The following Agreement is valid as of the date of the MEN signature Tel 49 911 99 33 5 0 Fax 49 911 99 33 5 901 E Mail info 9 men de Non Disclosure Agreement for Circuit Diagrams page 1 of 2 www men de 1 Subject The subject of this Agreement is to protect all information contained in the circuit diagrams of the follo wing product A Article Number filled out by recipient MEN provides the recipient with the circuit diagrams requested through this Agreement only for informa mikr
10. 8 07 22 Functional Description 3 3 Inputs The inputs are voltage sensitive The nominal switching point is at approx 8V The input current is a nominal 2mA at 24V The input signals are serially transferred to the digital isolated binary I O controller The binary I O controller checks the input signal state three times in intervals of 32us Only if the signal is stable for this period of 120us will the I O controller update input bit JN in the corresponding data Input Output Register The circuit is known as a digital debouncer You must never supply the board backwards i e the voltage at the input must never exceed the external supply voltage This may destroy the board In the ideal case the external supply voltage should be directly connected with the supply of the external device connected 3 4 Outputs Eight 4 channel source drivers are used as output drivers The device is over current protected and includes thermal shutdown and output transient protection clamp diodes Under normal operating conditions each of eight outputs will source in excess of 1 9A continuously at an ambient temperature of 25 C and a supply of 35V The over current fault circuit will protect the device from short circuits to ground with supply voltages of up to 35V MEN Mikro Elektronik GmbH 17 20A302 00 E2 2008 07 22 Functional Description 3 5 Input Output Registers The board has four Binary Input Output Controllers BIOCs one p
11. C chips leads or cir cuitry Use a grounded wrist strap before handling computer components Place components on a grounded antistatic pad or on the bag that came with the component whenever the components are separated from the system Store the board only in its original ESD protected packaging Retain the original packaging in case you need to return the board to MEN for repair MEN Mikro Elektronik GmbH 6 20A302 00 E2 2008 07 22 About this Document About this Document This user manual describes the hardware functions of the board connection of peripheral devices and integration into a system It also provides additional information for special applications and configurations of the board The manual does not include detailed information on individual components data sheets etc A list of literature is given in the appendix History Edition Comments Technical Content Date of Issue E1 First edition Michael Himmler 2002 02 08 Thomas Eckert E2 Updated technical data T Eckert 2008 07 22 section Corrected information in Chapter 3 7 2 Interrupter on page 23 Modified Figure 1 Map of the board top view on page 13 removed ele ments of the similar D302 the original image was used in both user manuals MEN Mikro Elektronik GmbH 7 20A302 00 E2 2008 07 22 About this Document Conventions This sign marks important notes or warnings concerning proper functionality of the produ
12. IRQ1 A8 12V 12V 5V 5V 5V MEN Mikro Elektronik GmbH 20A302 00 E2 2008 07 22 Organization of the Board 4 Organization of the Board 4 1 Local Address Map The board s local I O and control registers occupy an address space of 0x800 bytes These 0X800 bytes are divided into four identical parts Each of these 512 byte part is assigned to one I O unit The address map looks like an M Module carrier board assembled with four M66 M Modules forming the four I O units of the board Table 5 Local address map Offset Address Unit 0x000 Unit 0 0x200 Unit 1 0x400 Unit 2 0x600 Unit 3 Every I O unit s address space contains the following register set Table 6 Local address map for one I O unit Offset Address D15 D8 D7 D0 0xX000 M Input Output Register for l O line 101 rw 0x002 Input Output Register for I O line 102 r w 0x004 Input Output Register for I O line IO3 r w 0x006 Input Output Register for I O line IO4 r w 0x008 Input Output Register for I O line IO5 r w 0x00A Input Output Register for I O line IO6 r w 0x00C Input Output Register for I O line IO7 r w 0x00E Input Output Register for I O line 108 r w 0x03E Input Output Register for I O line 1032 r w FOxXOFC WO ni Magic Word 0x5346 OxOFE Interrupt Register r 0x100 Control Register r w A302 A201S compatible 0x102
13. MEN Mikro Elektronik has consequently adapted and released the product ESM MDIS MDIS4 MENMON M Module M Modules SA Adapter SA Adapters UBox and USM are trademarks of MEN Mikro Elektronik GmbH PC MIP is a registered trademark of MEN Micro Inc and SBS Technologies Inc MEN Mikro Elektronik ESMexpress and the MEN logo are registered trademarks of MEN Mikro Elektronik GmbH Microsoft and Windows are registered trademarks of Microsoft Corp Windows Vista is a trademark of Microsoft Corp OS 9 OS 9000 and SoftStax are registered trademarks of RadiSys Microware Communications Software Division Inc FasTrak and Hawk are trademarks of RadiSys Microware Communications Software Division Inc RadiSys is a registered trademark of RadiSys Corporation QNX is a registered trademark of QNX Ltd Tornado and VxWorks are registered trademarks of Wind River Systems Inc All other products or services mentioned in this publication are identified by the trademarks service marks or product names as designated by the companies who market those products The trademarks and registered trademarks are held by the companies producing them Inquiries concerning such trademarks should be made directly to those companies All other brand or product names are trademarks or registered trademarks of their respective holders Information in this document has been carefully checked and is believed to be ac
14. are specified in a programmable ACEX component 3 7 2 Interrupter The interrupter has been implemented using the ACEX PLD This chip permits interrupts to be issued at a programmable level independently for each I O unit The A302 is a DO08 O interrupter This means that the interrupter outputs status information on DO D7 during an interrupt acknowledge cycle The interrupt is a RORA Release On Register Access interrupt i e the interrupt request is reset by access to a specific register Since the interrupter is fully programmable it is not necessary to set any jumpers or DIL switches 3 7 3 VMEbus Connector P1 Connector types e 96 pin type C plug connector according to DIN41612 MIL C 55302 IEC603 2 mating connector type C 96 pin receptacle according to DIN41612 MIL C 55302 IEC603 2 available with solder wire wrap pins for hand soldering connection or for insu lation piercing connection IDC MEN Mikro Elektronik GmbH 23 20A302 00 E2 2008 07 22 Functional Description Table 4 Pin assignment of the 96 pin VMEbus P1 connector A B C DO D8 D1 D9 D2 D10 D3 D11 D4 D12 D5 D13 D6 D14 D7 D15 GND GND SYSCLK GND DS1 SYSRST DSO LWORD WRITE AM5 GND A23 DTACK AMO A22 GND AM1 A21 AS AM2 A20 GND AM3 A19 IACK GND A18 IACKIN A17 NACKOUT A16 AM4 GND A15 A7 IRQ7 A14 A6 IRQ6 A13 A5 IRQ5 A12 A4 IRQ4 A11 A3 IRQ3 A10 A2 IRQ2 A9 A1
15. ct described in this document You should read them in any case italics Folder file and function names are printed in italics bold Bold type is used for emphasis monospace A monospaced font type is used for hexadecimal numbers listings C function descriptions or wherever appropriate Hexadecimal numbers are preceded by Ox hyperlink Hyperlinks are printed in blue color The globe will show you where hyperlinks lead directly to the Internet so you can look for the latest information online IRQ Signal names followed by or preceded by a slash indicate that this signal is IRQ either active low or that it becomes active at a falling edge in out Signal directions in signal mnemonics tables generally refer to the corresponding board or component in meaning to the board or component out meaning coming from it Vertical lines on the outer margin signal technical changes to the previous edition of the document MEN Mikro Elektronik GmbH 8 20A302 00 E2 2008 07 22 About this Document Legal Information MEN Mikro Elektronik reserves the right to make changes without further notice to any products herein MEN makes no warranty representation or guarantee regarding the suitability of its products for any particular purpose nor does MEN assume any liability arising out of the application or use of any product or circuit and specifically disclaims any and all liability including without limitation consequential or
16. curate as of the date of publication however no responsibility is assumed for inaccuracies MEN Mikro Elektronik accepts no liability for consequential or incidental damages arising from the use of its products and reserves the right to make changes on the products herein without notice to improve reliability function or design MEN Mikro Elektronik does not assume any liability arising out of the application or use of the products described in this document Copyright 2008 MEN Mikro Elektronik GmbH All rights reserved D Please recycle Germany France USA MEN Mikro Elektronik GmbH MEN Mikro Elektronik SA MEN Micro Inc Neuwieder Stra e 5 7 18 rue Ren Cassin 24 North Main Street 90411 Nuremberg ZA de la Ch telaine Ambler PA 19002 Phone 49 911 99 33 5 0 74240 Gaillard Phone 215 542 9575 Fax 49 911 99 33 5 901 E mail info men de www men de Phone 33 0 450 955 312 Fax 33 0 450 955 211 E mail info men france fr www men france fr Fax 215 542 9577 E mail sales menmicro com www menmicro com MEN Mikro Elektronik GmbH 9 20A302 00 E2 2008 07 22 Contents Contents 1I Getting Started c0caseciansoiessas hades bie RUD OR iue Roe peo 13 LI Map Of the Board za 22a do ooo dd aoi prend 13 1 2 Integrating the Board into a System 000 4 14 1 3 Installing Driver Sottware 2224029 boxe LUCERE team 14 2 Connecting tbe Board sods cesoee peut or rr eh PR E ERE ETATEM ET 15 2 1 Peripheral nt
17. er unit This controls the inputs and outputs on a channel basis For each channel there is one register 32 registers per unit 128 registers per board which stores the desired value and the actual value Edge detection and interrupt masking are also handled by this 6 bit register One bit of the input output register is used to specify the state of the power switch If this bit is 0 then the switch is open The I O pin can now be used as an input If the bit is 1 the switch is closed In this case output voltage is applied to the I O pin The real output state of the switch can also be read from the same register Because of the serial transmission it may take up to 40us for the switch to assume the desired value It takes another 120us before the confirmation is returned because of the debounce logic Two bits are used to indicate that the output has changed from on to off or vice versa If one of the bits is set it can be reset by software to be able to detect a new edge Each of these edges can trigger an interrupt if the corresponding interrupt enable bit is set Data Input Output Registers 0x000 0x03E r w 15 8 7 6 5 4 3 2 1 0 E2 E1 IN IE2 IE1 OUT E2 falling edge occurred 0 2 no edge 1 edge occurred El rising edge occurred 0 2 no edge 1 edge occurred IN value of the I O pin read only IE2 interrupt enable falling edge O disable 1 enable IE interrupt e
18. erfaces 2 5 oso Dee bere ehe RE depen oaths 15 3 Functional Description ccc ccc cee s cc ccc ccccnsensnscece 16 3 1 Power Supply sc c2s4ces saad aed cea Sade beatae bees esas dan ee 16 2 2 Principle Operation caosa ber E EPIRI Red emacs 16 2 9 INDUS oi oan aes gua 0063 104 eee wed ren dE REPE ICE I ae oe 17 SA OUMU 3 42 ced ies ees ae ere ier eee deeb EHE ends 17 3 3 Input Output Reglsiers 4523 xai chaise aad io d cd dc 18 3 6 Interr ptS esee ka REIR EE ERE DIN be Shares Rais 19 3 64 Configuring Interr pts s soese des pkr prp pere aoia 19 3 0 2 Interrupt Handling ccs socco ri er Rr 20 307 WIMEBDUSIBIe TTG s onore nene ide mete aeri eda b ebd sube 21 Jk Slave Imenice PCT 21 2 752 ntermpletas ed 93h vao eer eerie Pe m Era 23 3 7 3e VMEbus Connector Pll 5 4 shape bee pA m rete s es 23 4 Organization of the Board 0 ccc ewe cece cece eee 25 41 Local Address Map 2 ome oe o RE EE sss EAE 25 5 Appendix 263295 eb eR eines EP DIET REIR EP S ts 26 5 1 Literature and Web Resources 4 socer m e me 26 5 2 Finding out the Board s Article Number Revision and Serial Number26 MEN Mikro Elektronik GmbH 10 20A302 00 E2 2008 07 22 MEN Mikro Elektronik GmbH 20A302 00 E2 2008 07 22 Figures Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Map of the board top VIGW 3 s oucs pep canine onsi p RR pr na 13 OLD PER 16 Setting the base address Default A24 2 0005
19. ge operation max 9596 without condensation Relative humidity range storage max 9596 without condensation Altitude 300m to 3 000m Shock 15g 11ms Bump 10g 16ms Vibration sinusoidal 2g 10 150Hz Conformal coating on request MTBF MTBF 98 000h 50 C derived from MIL HDBK 217F Safety PCB manufactured with a flammability rating of 94V 0 by UL recognized manu facturers EMC Tested according to EN 55022 radio disturbance IEC1000 4 2 ESD and IEC 1000 4 4 burst with regard to CE conformity Software Support MEN Driver Interface System MDIS for Windows Linux VxWorks QNX OS 9 E e For more information on supported operating system versions and drivers see online data sheet MEN Mikro Elektronik GmbH 4 20A302 00 E2 2008 07 22 Block Diagram 32 l Os VMEbus t 4 Units Bridge Altera FPGA for A302 32 l Os Optical Isolation MEN Mikro Elektronik GmbH 5 20A302 00 E2 2008 07 22 Product Safety Product Safety AN Electrostatic Discharge ESD Computer boards and components contain electrostatic sensitive devices Electrostatic discharge ESD can damage components To protect the board and other components against damage from static electricity you should follow some precautions whenever you work on your computer Power down and unplug your computer system when working on the inside Hold components by the edges and try not to touch the I
20. incidental damages Typical parameters can and do vary in different applications All operating parameters including Typicals must be validated for each customer application by customer s technical experts MEN does not convey any license under its patent rights nor the rights of others Unless agreed otherwise MEN products are not designed intended or authorized for use as components in systems intended for surgical implant into the body or other applications intended to support or sustain life or for any other application in which the failure of the MEN product could create a situation where personal injury or death may occur Should Buyer purchase or use MEN products for any such unintended or unauthorized application Buyer shall indemnify and hold MEN and its officers employees subsidiaries affiliates and distributors harmless against all claims costs damages and expenses and reasonable attorney fees arising out of directly or indirectly any claim of personal injury or death associated with such unintended or unauthorized use even if such claim alleges that MEN was negligent regarding the design or manufacture of the part Unless agreed otherwise the products of MEN Mikro Elektronik are not suited for use in nuclear reactors and for application in medical appliances used for therapeutical purposes Application of MEN products in such plants is only possible after the user has precisely specified the operation environment and after
21. nable rising edge O disable enable OUT output switch 0 open used in input mode 1 closed output switched to supply voltage MEN Mikro Elektronik GmbH 16 20A302 00 E2 2008 07 22 Functional Description 3 6 Interrupts 3 6 1 Configuring Interrupts If an interrupt occurs the number of the channel 5 bits that triggered the interrupt is stored in the Interrupt Register There are four Interrupt Registers one per unit Interrupt Register x0FE read only 15 8 7 6 5 1 0 CHNL CHNL channel number 0000027 channel 1 VETT channel 32 Control Register 9x19 read write 15 6 5 4 3 2 0 RES IRE IRAC L RES reserved no function IRE interrupt enable This bit must be 1 to allow an interrupt to be generated at all If this bit is 0 no interrupt is triggered on the VMEbus even though an interrupt from the I O unit is pending 0z disable l enable IRAC interrupt auto clear If this bit is 1 the RE bit is cleared during an IACK cycle in response to this interrupt request which disables the interrupt In order to enable the interrupt again the RE bit must be set again by writing to the Control Register L interrupt level These bits select the line on which the interrupt request is to be generated 0002 disable interrupt generation 0012 generate interrupt request on line IRQ1 0102 generate interrupt request on line IRQ2 0112 ge
22. nerate interrupt request on line IRQ3 1002 generate interrupt request on line IRQ4 1012 generate interrupt request on line IRQ5 1102 generate interrupt request on line IRQ6 1112 generate interrupt request on line IRQ7 Vector Register 0x102 read write 15 8 7 0 Interrupt Vector MEN Mikro Elektronik GmbH 19 20A302 00 E2 2008 07 22 Functional Description 3 6 2 Interrupt Handling If an interrupt source is enabled by setting the interrupt enable bit Ex in the Data Input Output Register and if a corresponding edge occurs on the input channel so that the corresponding edge bit is set then an interrupt is internally triggered This causes the corresponding interrupt enable bit in the Data Input Output Register to be reset The Interrupt Register indicates the channel that caused the interrupt Whether the trigger was a rising or falling edge can be ascertained from the appropriate Data Input Output Register If several edges capable of triggering an interrupt occur simultaneously the first edge detected generates an interrupt The corresponding edge bit is set for the appropriate edges See also Chapter 3 7 2 Interrupter on page 23 MEN Mikro Elektronik GmbH 20 20A302 00 E2 2008 07 22 Functional Description 3 7 VMEbus Interface The A302 has a VMEbus slave interface It is implemented using an ACEX PLD The ACEX is loaded and initialized after power on The VMEbus register mapping is
23. nses for the right of lectual possession of the other party because of this Agreement This Agreement does not result in any obligation of the parties to purchase services or products from the other party 6 Validity of Agreement The period after which MEN agrees not to assert claims against the recipient with respect to the confi dential information disclosed under this Agreement shall be months filled out by MEN Not less than twenty four 24 nor more than sixty 60 months 7 General If any provision of this Agreement is held to be invalid such decision shall not affect the validity of the remaining provisions and such provision shall be reformed to and only to the extent necessary to make it effective and legal This Agreement is only effective if signed by both parties Amendments to this Agreement can be adopted only in writing There are no supplementary oral agree ments This Agreement shall be governed by German Law MEN Mikro Elektronik GmbH The court of jurisdiction shall be Nuremberg Neuwieder Strafe 5 7 90411 N rnberg Deutschland Tel 49 911 99 33 5 0 Fax 49 911 99 33 5 901 E Mail info 9 men de Non Disclosure Agreement for Circuit Diagrams page 2of2 www men de
24. o elektronik tion gmbh n rnberg 2 Responsibilities of MEN Information in the circuit diagrams has been carefully checked and is believed to be accurate as of the date of release however no responsibility is assumed for inaccuracies MEN will not be liable for any consequential or incidental damages arising from reliance on the accuracy of the circuit diagrams The information contained therein is subject to change without notice 3 Responsibilities of Recipient The recipient obtaining confidential information from MEN because of this Agreement is obliged to pro tect this information The recipient will not pass on the circuit diagrams or parts thereof to third parties neither to individuals nor to companies or other organizations without the written permission by MEN The circuit diagrams may only be passed to employees who need to know their content The recipient protects the confiden tial information obtained through the circuit diagrams in the same way as he protects his own confiden tial information of the same kind 4 Violation of Agreement The recipient is liable for any damage arising from violation of one or several sections of this Agreement MEN has a right to claim damages amounting to the damage caused at least to 100 000 5 Other Agreements MEN reserves the right to pass on its circuit diagrams to other business relations to the extent permitted by the Agreement Neither MEN nor the recipient acquire lice
25. rs Signal Direction Function 1 24V external supply voltage see also Chapter 3 3 Inputs on page 17 IGND isolated ground 101 1032 in out input output channels 1 to 32 MEN Mikro Elektronik GmbH 20A302 00 E2 2008 07 22 Functional Description 3 Functional Description 3 1 Power Supply The board is supplied with 5V via the VMEbus bus Voltage supply from an external source is 12V 32V at approx 20mA for each unit If you do not use all four units you do not need to supply the unused unit s with power The external supply voltages are designated I 24V IGND and must be connected via the peripheral connectors 3 2 Principle of Operation Input and output data is transmitted via a serial interface between the controller chip on the host side and the optically isolated part of each of the four I O units Data transmission is simultaneous for input and output information The transfer time for all 32 bits of one unit is 32us Figure 2 I O stage vcc T External switch module used as OUT __ input External s Suppl IN Supply Lx External load module used as output A monitoring circuit guarantees that no output driver is activated if an external supply but no supply to the respective I O unit is applied If an interrupt is triggered for an I O unit the circuit also guarantees that all outputs are passive MEN Mikro Elektronik GmbH 16 20A302 00 E2 200
Download Pdf Manuals
Related Search