DM6888HR Isolated digital I/O
Contents
1. svapply8 Dic ja e o 25 sVsuppy9 26 ft 27 A GND9 28 sVsuppyi0 29 Oui0 amp 30 GNDIO O 31 sVsuppyii 32 amp fut 33 GND 34 sVsupply12 35 Oui2 36 GND 37 sVsupply i3 38 Outl3 39 GND313 40 sVsupplyid O a Ouid 4 NT 43 sVsupply i5 44 fut 45 1 GNDi15 46 eVsupply 16 47 ome 48 GNDi16 O 3 4 This diagram illustrates the output connection for channel 1 DM6888HR 15 HCPL 466 RTD Finland Oy User s Manual Chapter 4 HARDWARE DESCRIPTION This chapter describes in detail the two major features of the DM6888HR The isolated optocoupler inputs and the isolated optocoupler outputs A J2 29 i 24 INPUTS E S O 3 24 Q 2 AL E Z A B ai lt SU a 3 2 NE x G 8 BIT DATA 2 wl 2 gt CONTROL BOARD CONTROL CPLD T p Un 16 OUTPUTS E i P eg 2 V J6 Fig 4 1 DM6888HR Block diagram DM6888HR 16 RTD Finland Oy User s Manual Isolated digital inputs The Isolated output stage of the DM6888HR consists of two major parts 1 Optocouplers 2 Input latches 1 Optocouplers Small SMD optocouplers are used to isolate each channel of the isolated inputs Individual optocouplers are used for each channel The optocouplers ar2. Inputregister 5 Inputsch 83 40 Not defined BA OXO7 Input register 6 Inputsch 41 48 Notdefined BA 0x08 BA Base Address BA 0 Reserved Do not use BA 1 Digital Outputs 9 16 Write Read The optoisolated digital output channels 1 8 can be written through address BA 0x01 BA 2 Digital Outputs 9 16 Write Read The optoisolated digital output channels 9 16 can be written through address BA 0x02 BA 3 to BA 8 Digital Inputs Write The data input registers return the input optocoupler data DM6888HR 18 RTD Finland Oy User s Manual Programming the DM6888HR This section gives you some general information about programming the DM6888HR board It then walks you through the major programming functions of the DM6888HR This will help you use the example program that is included with the board All of the program descriptions use decimal values unless otherwise specified The DM6888HR board is programmed through a write or a read operation to the correct l O port address These I O ports were described in the previous section of this chapter The following example shows how to perform an 8 bit read and write I O port addresses using C syntax and assembly code Read Write C syntax var inp address outp address data Assembly mov dx address mov dx address in ax dx mov ax data out dx ax 8 bit operations must be performed to the DM6888HR board for correct operation Clearing and setting bi
3. Real Time Devices warrants the hardware and software products it manufactures and produces to be free from defects in materials and workmanship for one year following the date of shipment from REAL TIME DEVICES This warranty is limited to the original purchaser of product and is not transferable During the one year warranty period REAL TIME DEVICES will repair or replace at its option any defective products or parts at no additional charge provided that the product is returned shipping prepaid to REAL TIME DEVICES All replaced parts and products become the property of REAL TIME DEVICES Before returning any product for repair customers are required to contact the factory for an RMA number THIS LIMITED WARRANTY DOES NOT EXTEND TO ANY PRODUCTS WHICH HAVE BEEN DAMAGED AS A RESULT OF ACCIDENT MISUSE ABUSE such as use of incorrect input voltages improper or insufficient ventilation failure to follow the operating instructions that are provided by REAL TIME DEVICES acts of God or other contingencies beyond the control of REAL TIME DEVICES OR AS A RESULT OF SERVICE OR MODIFICATION BY ANYONE OTHER THAN REAL TIME DEVICES EXCEPT AS EXPRESSLY SET FORTH ABOVE NO OTHER WARRANTIES ARE EXPRESSED OR IMPLIED INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE AND REAL TIME DEVICES EXPRESSLY DISCLAIMS ALL WARRANTIES NOT STATED HEREIN ALL IMPLIED WARRANTIES INCLUDING IMPLIED WARRANTIES F
4. Touch the grounded metal housing of your computer to discharge any antistatic build up and then remove the board from its antistatic bag e Hold the board by the edges and install it in an enclosure or place it on the able on an antistatic surface e Connect the board to the I O devices using the twisted pair 50 pin flat cables DM6828HR Fig 3 1 DM6888HR integrated in a PC 104 RTD cpuModule stack External I O Connections DM6888HR 13 RTD Finland Oy User s Manual Table 3 1 below shows the input wire connection pinouts that are identical for both 50 pin input connectors J2 and J3 PIN number Signal Description PIN number Signal Description IN1 3 IN2 5 ens 6 INS 7 ena de IN 9 IN5 14 ING 13 IN7 15 INg 17 IN9 19 IN10 21 IN11 23 IN12 25 IN13 27 IN14 29 IN15 31 IN16 33 INT7 35 IN18 37 IN19 39 IN20 41 IN21 43 IN22 45 IN23 47 IN24 49 NC 50 NC R11 01 S J3 1 O06 GND s J3 2 z J3 3 HCPL 788 Fig 3 3 This diagram illustrates the input connection for channel 1 DM6888HR 14 RTD Finland Oy User s Manual Table 3 2 below shows the output connection pinouts of connector J6 Pin number Signal description Eeee Signal Description T Vsupply 2 J4 1 Vsupply 1 3 GND 5 uta 7 sVsuply3 e OJo i O 9 1 GND3 fio sVsuply4 LEM MIL NNNM HS Heus 14 Ou Hec jos e v 3 Hr ew p fems 21 aupz qz
5. more information and for advice on selecting the most appropriate accessories to support your instrumentation system e Application software and drivers e Hardware accessories Real Time Devices can supply a complete set of accessories for your DM6888HR card These include power supplies terminal boards TB50 and other connection systems The board is also available in the rugged FENIX IDAN and HiDAN enclosure systems Please consult the factory for more details or visit our websites at www rtdfinland fi or www rtd com Using this manual This manual is intended to help you install your new board and get it working quickly while also providing enough detail about the board and it s functions so that you can enjoy maximum use of it s features even in the most demanding applications When you need help This manual and all the example programs will provide you with enough information to fully utilize all the features on this board If you have any problems with installation or use of the board contact our Technical Support Department 358 9 346 4538 during European business hours Alternatively send a FAX to 358 9 346 4539 or Email to techsupport rtdfinland fi When sending a FAX or Email request please include the following information Your company s name and address your name your telephone number and a brief description of the problem DM6888HR 8 RTD Finland Oy User s Manual Chapter 2 BOARD SETTINGS The DM6888HR Is
6. pee entere eiae etti ed ea et eet de eiectus 18 CHAPTER 5 BOARD OPERATION AND PROGRAMMING 19 Defining thelma prismer rn o od etUm eo te er oe RED tate Fete LEER ILES LOL HESS UNE E AIRES 19 Base 1 I O register 1 Read Write Base 2 I O register 2 Read Write Base 3 I O register 1 Read Base 4 I O register 2 Read Base 5 I O register 1 Read Base 6 I O register 2 Read Base 7 I O register 1 Read Base 8 I O register 2 Read Programming the DM6888HH cccceceeeeeeecaeeeeeeeeeeecaaeaaeeeeeeeeeseceaaaeceeeeeeeseesnnaeeeeeeeess 20 Clearing and setting bits in a port enne 20 Isolated output programming sssesssssesssssesseeeeenene nnne en enhn nennen nnns 21 Isolated input programming cecececceececeeeeeeeeeaeeeceeeeeeeeteceaeaececeeeeeseeaaeaeaeeeeeeeeeneenninaeeetes 21 CHAPTER 6 DM6888HR SPECIFICATIONS 1 22 CHAPTER 7 RETURN POLICY amp WARRANTY 23 5 RTD Finland Oy DM6888HR User s Manual List of Illustrations amp Tables Illustrations Fig 2 1 Board layout showing jumper locations Fig 3 1 DM6888HR integrated in a PC 104 dataModule stack Fig 3 3 Input connection for Channel number 1 Fig 3 4 Output connection for Channel number 1 Fig 4 1 DM6888HR Block Diagram Tables Table 2 1 Factory Jumper settings Table 2 2 Base Address jumper settings Table 3 1 Input connection pinouts Table 3 2 Output connection pino
7. trademark of RTD All other trademarks appearing in this document are the property of their respective owners DM6888HR 4 RTD Finland Oy DM6888HR User s Manual TABLE OF CONTENTS LIST OF ILLUSTRATIONS amp TABLES 5 CHAPTER 1 INTRODUCTION 4 2 ntt tteletori orato 6 IB cT 6 Isolated digital tutputs Hee Eam m e ele te e e le d ea 6 Isolated digital Inputs eian easi Pd e e e eee en e per dues 6 Mechanical descriptlOn ee rece terere edt e dE ce BUE dede 6 Connector descriptions ioo ette Do eh ert et uae etis ee a ara een atte adea 6 What comes with your board iisisti aaaea aaae aaa nnne entente nsns entren 7 Board accessories Laden Acid Rte OE od Ced T dd edd 7 Application software and drivers Hardware accessories Using this marnt al 2 ioo e t tbe e ee ete a I e eet ren 7 When you need help iet eee te T edet 7 CHAPTER 2 BOARD SETTINGS sees 8 Factory Configured Jumper Settings sssssssssssssseseeeeen eee 9 Base Address Jumpa Siarra any aia a aR E AE EAA E SA ENANA NAS AA AE ENEE RANEE 10 CHAPTER 3 BOARD INSTALLATION 12 Board installation aiii ee eeu dede e de Per dada en d a dde s 12 External l O connections uo odd ee renal eee cu add d ead dee dg E uv als 14 Isolated digital inputs Isolated digital outputs CHAPTER 4 HARDWARE DESCRIPTION 16 Isolated digital Ir puts s 2 tient t get pe he eee Le cath 17 Isolated digital Guus 22 n o
8. JT DM6 S8S8HR Isolated digital I O module User s Manual Hardware Revision 1 1 Preliminary RTD FINLAND Oy User s Manual DM6888HR ISOLATED DIGITAL I O MODULE User s Manual REAL TIME DEVICES FINLAND OY LEPOLANTIE 14 FIN 00660 HELSINKI FINLAND Phone 4358 9 346 4538 FAX 358 9 346 4539 E Mail sales rtdfinland fi Website DM6888HR 2 RTD Finland Oy User s Manual www rtdfinland fi DM6888HR 3 RTD Finland Oy User s Manual Revision History 20 09 2003 Initial version IMPORTANT Although the information contained herein has been carefully verified RTD Finland Oy assumes no responsibility for any errors that may occur for any damage to property or persons resulting from improper use of this manual or from the related software RTD Finland Oy also reserves the right to alter the contents of this manual as well as features and specifications of this product at any time without prior notice Notice We have attempted to verify all information in this manual as of the publication date Information in this manual may change without prior notice from RTD Finland Oy Published by RTD Finland Oy Lepolantie 14 FIN 00660 Helsinki Finland Copyright 2003 RTD Finland Oy All rights reserved Printed in Finland PC XT PC AT are registered trademarks of IBM Corporation PC 104 is a registered trademark of PC 104 Consortium The Real Time Devices Logo is a registered trademark of RTD utilityModule is a
9. OR MECHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE LIMITED TO THE DURATION OF THIS WARRANTY IN THE EVENT THE PRODUCT IS NOT FREE FROM DEFECTS AS WARRANTED ABOVE THE PURCHASER S SOLE REMEDY SHALL BE REPAIR OR REPLACEMENT AS PROVIDED ABOVE UNDER NO CIRCUMSTANCES WILL REAL TIME DEVICES BE LIABLE TO THE PURCHASER OR ANY USER FOR ANY DAMAGES INCLUDING ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES EXPENSES LOST PROFITS LOST SAVINGS OR OTHER DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE PRODUCT SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR CONSUMER PRODUCTS AND SOME STATES DO NOT ALLOW LIMITATIONS ON HOW LONG AN IMPLIED WARRANTY LASTS SO THE ABOVE LIMITATIONS OR EXCLUSIONS MAY NOT APPLY TO YOU THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS AND YOU MAY ALSO HAVE OTHER RIGHTS WHICH VARY FROM STATE TO STATE DM6888HR 23 RTD Finland Oy
10. able 2 2 Base Address jumper settings factory default Base Address shaded Note In the table above only the MSB address decoder jumper settings are illustrated You may also connect jumpers 1 3 to decode address lines A1 A3 DM6888HR 12 RTD Finland Oy User s Manual Chapter 3 BOARD INSTALLATION The DM6888HR Isolated Digital Interface board is very easy to connect to your industrial or automotive control system Direct interface to PC 104 systems as well as EUROCARD boards is possible This chapter gives step by step instructions on how to install the board into your system After completing the installation it is recommended that you use the diagnostic software to fully verify that your board is working Board Installation Keep your board in the antistatic bag until you are ready to install it to your system When removing it from the bag hold the board at the edges and do not touch the components or connectors Please handle the board in an antistatic environment and use a grounded workbench for testing and handling of your hardware Before installing the board in your computer check the jumper settings Chapter 1 reviews the factory settings and how to alter them If any alterations are needed please refer to the appropriate instructions in this chapter Do however note that incompatible settings can result in unpredictable board operation and erratic response General installation guidelines e Turn OFF the power to your computer e
11. e erratic performance may occur and the data read from the board may be corrupted To avoid this problem make sure you set up the base address first using the eight jumpers marked BASE that are near the PC 104 bus connector It allows you to choose from 256 different I O addresses in your computer I O map Should the factory installed setting of 300h be unusable for your system configuration you may change this setting to another using the options illustrated in Table 2 2 overleaf The table shows the switch settings and their corresponding values in hexadecimal values Ensure that you verify the correct location of the base address jumpers When the jumper is removed it corresponds to a logical 0 connecting the jumper to a 1 When you set the base address of the module record the setting inside the back cover of this manual directly after the Appendices 11 RTD Finland Oy e s Manu BASE ADDRESS JUMPER SETTINGS FOR DM6888HR BOARDS Hex Decimal 87654321 Hex Decimal 87654321 200 512 300 768 10000 210 528 310 784 10001 220 544 320 800 10010 230 560 10011 240 576 10100 250 592 10101 260 608 10110 270 624 10111 280 640 380 896 11000 290 656 11001 2A0 672 3A0 928 11010 2B0 688 3B0 944 11011 2C0 704 11100 2D0 720 3D0 976 13104 2E0 736 3E0 922 11110 2F0 752 3F0 1008 11111 0 NOT JUMPERED 1 JUMPER INSTALLED T
12. e directly connected to the input latch in an inverting configuration A reverse voltage protection diode is connected across the optocoupler input The input voltage range can be customized channel by channel by changing the input series resistor The factory preinstalled input voltage is 5V or TTL The threshold voltage is approximately 3 2 to 3 4V To customize the input range to a different one please change the input resistor The nominal value of the 5V range input resistor is 20 KOhm The absolute maximum forward current of the optocoupler is 20mA The maximum allowed voltage with the factory set 5V range is 18V 2 Input latches The inverting optocouplers are connected to two 8 bit data latches that are directly addressable with a read operation starting from address BASE 0x02 to BASE 0x08 Isolated digital outputs DM6888HR The Isolated output stage of the DM6888HR consists of two major parts 1 Optocouplers 2 Output registers 1 Optocouplers Small SMD optocouplers are used to isolate each channel of the isolated outputs Individual optocouplers are used for each channel The optocouplers are directly connected to the Output latch The output optocoupler transistor is in the open collector configuration with a pull up resistor which is connected to the collector A 4 7 KOhm resistor is used as a pull up to the supply The output 4 7 Kohm pull up resistor has been installed for a 5 30V isolated output range 2 O
13. h follows 2 Contact the factory and request a Returned Merchandise Authorization RMA number 3 On a sheet of paper write the name phone number and fax number of a technically competent person who can answer questions about the problem 4 On the paper write a detailed description of the problem with the product Answer the following questions Did the product ever work in your application What other devices were connected to the product How was power supplied to the product What features did and did not work What was being done when the product failed What were environmental conditions when the product failed 5 Indicate the method we should use to ship the product back to you e We will return warranty repairs by UPS Ground at our expense e Warranty repairs may be returned by a faster service at your expense e Non warranty repairs will be returned by UPS Ground or the method you select and will be billed to you 6 Clearly specify the address to which we should return the product when repaired 7 Enclose the paper with the product being returned 8 Carefully package the product to be returned using anti static packaging We will not be responsible for products damaged in transit for repair 7 Write the RMA number on the outside of the package 8 Ship the package to Real Time Devices Finland Oy Lepolantie 14 FIN 00660 Helsinki FINLAND DM6888HR 22 RTD Finland Oy User s Manual Limited Warranty
14. lated Input Programming The optoisolated inputs are read from a data latch These inputs can be interrogated in the following ways examples in C syntax 1 Software controlled byte read low data inp BA 3 high data inp BA 4 2 Software controlled direct word read word data inpw BA 3 DM6888HR 20 RTD Finland Oy Chapter 6 DM6888HR SPECIFICATIONS Host Interface Jumper selectable base address I O mapped Digital Outputs isolated Number of lines Isolation voltage Output stage Output supply voltage Digital Inputs isolated Number of lines Triggering voltage 5V range Maximum input voltage factory default 5V range Isolation voltage Connectors Isolated Outputs Isolated Inputs Bus connector Power requirements Supply voltage Operating temperature range Standard DM6888HR 21 16 48 User s Manual 1 500V Rms Open collector with a 4 8K pull up 8 mA sink current 30V 5 to 30V 3 3V Approx 18V 1 500V Rms 50 pin header 50 pin headers AT bus connector 5V 8 Supply current 175 mA 40 to 85 C RTD Finland Oy User s Manual Chapter 7 RETURN POLICY AND WARRANTY Return Policy If the module requires repair you may return it to us by following the procedure listed below Caution Failure to follow this return procedure will almost always delay repair Please help us expedite your repair by following this procedure 1 Read the limited warranty whic
15. olated digital I O board has jumper settings which can be changed to suit your application It is factory configured with a 5V input range configuration The factory settings are listed and shown in the diagram in the beginning of this chapter DM6888HR 9 RTD Finland Oy User s Manual Factory Configured Jumper Settings Table 2 1 below illustrates the factory jumper setting for the DM6888HR It also shows the board layout of the DM6888HR and the locations of the jumpers The following paragraphs explain how to change the factory jumper settings to suit your specific application Table 2 1 Factory jumper settings see figure 2 1 below for detailed locations Jumper name Jumper description Number of Jumpers Factory setting jumpers installed Base address Base address B 300h f x E G NO n ji See sacenee A iN See am ar nri FINLAND LEX XX X ee RID Finond Oy 2003 Figure 2 1 Board layout showing jumper locations DM6888HR 10 RTD Finland Oy User s Manual Base address Jumpers Factory setting 300h DM6888HR The most common cause of failure when you are first setting up your module is address contention Some of the I O space of your computer is already occupied by other internal I O devices and expansion boards When the board attempts to use it s own reserved I O addresses which are being already used by another peripheral devic
16. s input range may be customized channel by channel by changing the input series resistors The optocoupler inputs have a reverse voltage protection diode across the input This enables AC connection to the inputs where the input diode acts as a rectifier Mechanical description The DM6888HR is designed on a PC 104 form factor An easy mechanical interface to both PC 104 and EUROCARD systems can be achieved Stack your PC 104 compatible computer directly on the DM6888HR using the onboard mounting holes Connector description There are three 50 pin digital interface connectors on the DM6888HR to directly interface isolated digital I O signals Isolated inputs and outputs are connected to the board by 50 pin flat ribbon cable connectors Use this type of interface connector with a TB50 screw terminal block What comes with your board DM6888HR 7 RTD Finland Oy User s Manual Your DM6888HR package contains the following items DM6888HR Isolated Digital Interface module User s manual Note Software and diagnostics programs and WIN95 98 2000 XP NT 4 0 and Linux are available free of charge on our website www rtdfinland fi If any item is missing or damaged please call Real Time Devices Finland customer service department at the following number 4 358 9 346 4538 Board accessories In addition to the items included in your DM6888HR delivery several software and hardware accessories are available Contact your distributor for
17. ts in an I O port DM6888HR When you clear or set bits in an I O port you must be careful not to alter the status of other bits You can preserve the status of all the bits you do not wish to change by proper use of the bit wise AND and OR operators Using and or operators single or multiple bits can easily be set or cleared in one line operations 1 To clear a single bit in a port AND the current value of the port with the value B where B 255 2 exp bit 2 To set a single bit in a port OR the current value of the port with the value B where B 2 exp bit Bits are numbered from 0 7 for the low byte of a word and from 8 15 for the high byte of a word Setting and clearing of multiple bits in a bye or word is more complex 3 To clear multiple bits in a port AND the current value of the port with the value B where B 255 the sum of the values of the bits to be cleared Note that the bits do not have to be consecutive 4 To set multiple bits in a port OR the current value of the port with the value B where B sum of the individual bits to be set Isolated Output Programming 19 RTD Finland Oy User s Manual The optoisolated outputs are controlled with a register structure These outputs can be commanded in the following ways examples in C syntax 1 Software controlled byte write outp BA 1 Jow byte outp BA 2high byte 2 Software controlled direct word write outpw BA 1 word Iso
18. utput registers The optocouplers are connected to two 8 bit data registers which are directly addressable with a write operation at address BASE 0x01 and BASE 0x02 The state of the outputs does not change even though a system reset may occur A write to the output latch will update the state of the outputs 17 RTD Finland Oy User s Manual Chapter 5 BOARD OPERATION AND PROGRAMMING This chapter shows you how to program and use your DM6888HR It provides a complete description of the I O map plus a detailed discussion of programming operations to aid you in programming Defining the I O Map The I O map of the DM6888HR is shown in Table 5 1 below As shown the module occupies two addresses The Base Address designated as BA can be set using the jumpers as described in Chapter 2 Board settings The following sections describe the register contents of each address used in the I O map Table 5 1 DM6888HR I O Map Register Description Read Function Write Function Address in HEX RESERVED Donotuse Donotuse BA4Ox00 Output register 1 Readback ch 1 8 Outputs ch 1 8 BA 0x01 Output register 2 Readback ch 9 16 Outputs ch 9 16 BA 0x02 Input register 1 Inputs ch 1 8 Not defined BA 0x03 Inputregister 2 Inputsch 9 16 Notdefined BA OX04 Inputregisters3 Inputsch 17 24 Not defined BASOx05 Input register 4 Inputsch 25 82 defined BASOx00
19. uts Table 5 1 DM6888HR I O Map 6 RTD Finland Oy User s Manual Chapter 1 INTRODUCTION This user s manual describes the operation of the DM6888HR high density isolated digital interface boards Features Some of the key features of the DM6888HR include 16 channel by channel isolated open collector digital outputs 8mA 30V 48 optocoupler inputs with reverse voltage protection Single 5V operation low power 3 3V design Customer specified functions may be added to board control CPLD RTD IDAN compatible Support for direct PC 104 interface with RTD dataModules PC 104 compliant The following paragraphs briefly describe the major features of the DM6888HR A more detailed discussion is included in Chapter 3 Hardware description and in Chapter 4 Board operation and programming The board set up is described in Chapter 1 Board Settings Isolated Digital Outputs 16 optocoupler outputs may be used to directly drive loads such as relays lamps or to interface to commonly encountered 24V PLC I O s The outputs are driven with an open collector optocoupler output capable of sinking 8mA at 30V Each output channel can be connected to a different potential The isolated outputs are controlled with a latch structure Isolated Digital Inputs 48 optocoupler inputs may be used to connect high voltage signals to a computer Eight channel by channel isolated input ranges are available The factory installed input range is 5V but thi
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