MODEL 104-IDI-48 SERIES USER MANUAL
Contents
1. 13 Chapter 5 Programming 14 Chapter 6 Connector Pin 16 4 Manual 104 IDI 48 SERIES Chapter 1 Introduction Features Individually Isolated AC DC Inputs for two 24 bit groups 48 total Reverse Polarity protection AC Filtering first 24 channels Optical Isolation Channel to Channel and Channel to Host PC Change of State detection certain models Description This series of boards provides 48 optically isolated inputs for AC DC signals with Change of State COS Detection capability Each input is reverse polarity protected and rectified by photo coupler diodes Standard 12 24 AC control transformer outputs can be accepted on the first 24 channels as well as DC voltages on all 48 The input range is up to 60VDC or AC RMS at frequencies of 40 to 10kHz The first 24 input circuits contain a switchable filter that has a 4 7 millisecond time constant without filtering the response is less than 30 microseconds The filter must be selected for AC inputs in order to eliminate the on off response to AC The filter is also valuable for use with slow DC input signals in a noisy environment The filter may be switched out for DC inputs in order to obtain a faster response Filters are individually selected by jumpers See Figures 1 1 and 3 1 for2. A5 A4 Jumper Selection OFF OFF ON Table 4 2 Jumper Selection Example 13 Manual 104 IDI 48 SERIES Chapter 5 Programming The board occupies eight consecutive addresses in PC I O space The base address is during installation and will fall on an eight byte boundary The card s read and write functions are as follows Note Base 7 only applies to COS C boards Read ee ieee 2 4 5 Bio D7 of input D6 of input D5 of input D4 of input of input D2 of input D1 of input DO of input data data data data data data data data Reading a byte from the Port Data Base Address reads the 8 bits associated with that third of a port The Addresses labeled Low Byte are associated with pins 3 through 18 the Addresses labeled Mid Byte are associated with pins 19 through 34 and the Addresses labeled High Byte are associated with pins 35 through 50 as shown in Chapter 6 connector pin assignments Writing to these addresses has no effect Address Base 7 is used to control and monitor Change of State IRQs COS IRQs are enabled disabled on 8 bit boundaries Port s Low Middle and or High byte To enable COS IRQs write a 1 to the bit corresponding to the Port s Low Middle and or High byte The Write Base 7 table describes which bits enable each byte Writing 0 to the bit will disable COS IRQs for that byte A read from bit 7
3. ACCES 1 0 PRODUCTS INC 10623 Roselle Street San Diego CA 92121 858 550 9559 FAX 858 550 7322 contactus accesio com WWW accesio com MODEL 104 101 48 SERIES USER MANUAL File m104 idi 48 A1d Notice The information in this document is provided for reference only ACCES does not assume any liability arising out of the application or use of the information or products described herein This document may contain or reference information and products protected by copyrights or patents and does not convey any license under the patent rights of ACCES nor the rights of others IBM PC PC XT and PC AT are registered trademarks of the International Business Machines Corporation Printed in USA Copyright 2006 by ACCES I O Products Inc 10623 Roselle Street San Diego CA 92121 All rights reserved WARNING ALWAYS CONNECT AND DISCONNECT YOUR FIELD CABLING WITH THE COMPUTER POWER OFF ALWAYS TURN COMPUTER POWER OFF BEFORE INSTALLING A CARD CONNECTING AND DISCONNECTING CABLES OR INSTALLING CARDS INTO A SYSTEM WITH THE COMPUTER OR FIELD POWER ON MAY CAUSE DAMAGE TO THE CARD AND WILL VOID ALL WARRANTIES IMPLIED OR EXPRESSED 2 Manual 104 IDI 48 SERIES Warranty Prior to shipment ACCES equipment is thoroughly inspected and tested to applicable specifications However should equipment failure occur ACCES assures its customers that prompt service and support will be available All equipment originally manufact
4. 48 60V Yes Yes Table 1 1 Model Versions 5 Manual 104 IDI 48 SERIES Specification Digital Isolated Inputs Number of inputs Type Voltage Range 48A 48B Isolation Input Resistance 48A 48B Non Filter Response Times Filter Time Constant Power Required Environmental Operating Temperature Storage Temperature Humidity Board Dimension 48 Non polarized optically isolated from each other and from the computer CMOS compatible Logic Low 0 to 1 5VDC or AC Rms 40 to 10kHz Logic High 3 to 31VDC or AC Rms 40 to 10kHz Logic Low 0 to 5VDC or AC Rms 40 to 10kHz Logic High 11 to or AC Rms 40 to 10 2 Optically Isolated channel to ground or channel to channel see note 1 8K ohms in series with optocoupler 15K ohms in series with optocoupler Rise Time 10 uS Fall Time 30 uS 4 7ms 5VDC 300mA typical 0 C to 70 C optional industrial temperature range 40 C to 85 C 55 C to 150 C 0 to 95 RH without condensation PC 104 format 3 550 by 3 775 Note on Isolation Opto Isolators and connectors are rated for at least 500V but isolation voltage breakdowns will vary and is affected by factors like cabling spacing of pins spacing between traces on the PCB humidity dust and other environmental factors This is a safety issue so a careful approach is required For CE certification isolation was specified at 60V DC or AC rms The design
5. address according to your application requirements as mentioned above Remove power from the PC 104 stack Assemble standoff hardware for stacking and securing the boards Carefully plug the board onto the PC 104 connector on the CPU or onto the stack ensuring proper alignment of the pins before completely seating the connectors together Install I O cables onto the board s I O connectors and proceed to secure the stack together or repeat steps 3 5 until all boards are installed using the selected mounting hardware Check that all connections in your PC 104 stack are correct and secure then power up the system Run one of the provided sample programs appropriate for your operating system that was installed from the CD to test and validate your installation If you are installing this board into a PC 104 Pin 10 Pind stack that has the holes for Pin C19 and B10 blocked please cut these two pins as shown from the solder side of this board It is not necessary to block the holes on the component side of the board Pin 1 Figure 2 1 PC 104 Key Information 9 Manual 104 IDI 48 SERIES Chapter 3 Option Selection FILTER RESPONSE SWITCH Filters are used to select input filtering on a channel by channel basis When jumper FLT 0 is installed filtering is introduced for input BIT 0 FLT 1 for BIT 1 etc JUMPER SELECTION Bit Filtered JUMPER SELECTION Bit Filtered This filtering provides a slower respons
6. intention was to eliminate the influence of common mode Use proper wiring techniques to minimize voltage between channels and to ground Tolerance of higher isolation voltage can be obtained on request by applying a conformal coating to the board 6 Manual 104 IDI 48 SERIES INPUTS 0 23 CURRENT A LIMITER ISOLATED JUMPER 2 SELECTABLE INPUT 0 MCA ear ee CURRENT Ge LIMITER ISOLATED JUMPER v INPUT 23 A PETER CURRENT LIMITER Vee ISOLATED 1 aj INPUT 24 N 2 CURRENT 2 LIMITER v a ISOLATED 4 INPUT 47 Figure 1 1 Block Diagram INPUT CHANGE OF gt STATE DETECT rolen REGISTERS ADDRESS AND CONTROL LOGIC IRQ IN JUMPER SELECTABLE IRQ LEVEL gt 104 BUS _ IRQ Manual 104 IDI 48 SERIES Chapter 2 Installation A printed Quick Start Guide QSG is packed with the board for your convenience If you ve already performed the steps from the QSG you may find this chapter to be redundant and may skip forward to begin developing your application The software provided with this PC 104 Board is on CD and must be installed onto your hard disk prior to use To do this perform the following steps as appropriate for your operating system Substitute the appropriate drive letter for your CD ROM where you see d in the examples bel
7. 020 021 040 048 060 06F 070 O7F 080 09 OAO OBF 0C0 0DF OFF 170 177 TFO TFB 200 207 256 28 23 23 27827 2 0 2 200 20 200 20F 2 2 7 2 2 300 30F 310 31F 320 32F 370 377 378 37 380 58 380 388 3 0 3 300 30 0 7 Table 4 1 Standard Address Assignments for Standard Computers The board s base address is set up by JUMPERS see Figure 3 1 Those jumpers control address bits thought A9 Lines A2 A1 and AO are used on the board to select the offset from the jumper selected base address This is referred to as the Base offset in the programming section To determine how to set these jumpers for a desired hex code address refer to the SETUP program provided with the board If you prefer to determine proper jumper settings yourself first convert the hex code address to binary form Then for each 0 install corresponding jumpers and for each 1 remove the corresponding jumper 12 Manual 104 IDI 48 SERIES The following example illustrates jumper selection corresponding to hex 300 or binary 11 0000 The xxx represents address lines A2 A1 and AO Base Address in Hex Code 3 0 0 Conversion Factors 2 1 8 4 2 1 8 Binary Representation 1 1 0 0 0 0 0 Jumper Legend A9 A8 A7 AB 4 Address Line Controlled A9 A8 A7
8. e defective during the warranty period In no case is ACCES liable for consequential or special damage arriving from use or misuse of our product The customer is responsible for all charges caused by modifications or additions to ACCES equipment not approved in writing by ACCES or if in ACCES opinion the equipment has been subjected to abnormal use Abnormal use for purposes of this warranty is defined as any use to which the equipment is exposed other than that use specified or intended as evidenced by purchase or sales representation Other than the above no other warranty expressed or implied shall apply to any and all such equipment furnished or sold by ACCES 3 Manual 104 IDI 48 SERIES Table of Contents Chapter 1 5 Table 1 1 Model VelsloliSaiu nido mitten doen es 5 ETE EE 6 Figure 1 1 Block Diagram 7 Chapter 2 8 Figure 2 1 PC 104 Key 9 Chapter 3 Option 10 Figure 3 1 Option Selection Map 11 Chapter 4 Address Selection 12 Table 4 1 Standard Address Assignments for Standard Computers 12 Table 4 2 Jumper Selection
9. e for DC signals as described previously and must be used when AC inputs are applied If you believe an input may be electrically noisy install the jumper to avoid false readings INTERRUPTS Select the desired interrupt level by installing a jumper at one of the locations marked IRQxx If IRQs are enabled in software an interrupt latch is set by the board when an Isolated Digital Input bit changes state A full description of how to enable disable and clear IRQs is described in the Programming section of this manual Refer to Figure 3 1 for more on filter and interrupt selection 10 Manual 104 IDI 48 SERIES 3 22 20 e 3 775 ADDRESS 0x300 0 35 P1 FILTER SELECT JUMPERS ae Ii P2 Figure 3 1 Option Selection 11 Manual 104 IDI 48 SERIES Chapter 4 Address Selection The board occupies 8 consecutive addresses in I O space The base or starting address can be selected anywhere within ght I O address range of 100 3FF provided that it does not cause an overlap with other functions If the addresses of two installed functions overlap you will experience unpredictable computer behavior The FINDBASE program supplied with the product will assist you in selecting a base address that will avoid this conflict HexRange 000 00F LOSS
10. he product one for each 24 bit input group Port 0 is located on the same side as the address jumpers while Port 1 is on the opposite side near the IRQ level jumpers Connector pin assignments are listed below for Port 0 Port 1 follows the same pinout but for bits 24 47 IDC 50 Pin Header Male co Pe enzo Ecos 16 Manual 104 IDI 48 SERIES Customer Comments If you experience any problems with this manual or just want to give us some feedback please email us at manuals accesio com Please detail any errors you find and include your mailing address so that we can send you any manual updates ACCES I O PRODUCTS INC 10623 Roselle Street San Diego CA 92121 Tel 858 550 9559 FAX 858 550 7322 www accesio com 17 Manual 104 IDI 48 SERIES
11. jumper arrangements The Change of State COS Detection capability denoted by a C after the model number provides a means to automatically interrupt the host computer in real time When one or more input bits change state a PCI interrupt is generated That interrupt in turn can be used by your application program to initiate a poll of the inputs then signal appropriate alarms and or initiate a scan of other I O points that have not been previously activated This can greatly simplify your application program and eliminate need to continuously poll inputs Chapter 5 describes the programming aspects of the COS feature These boards provide a much lower cost per point than externally mounted optically isolated solid state modules PLCs Input connections are via 50 pin ribbon cable headers on the card These boards are especially useful in applications where high common mode external voltages are present as found in factory automation energy management security systems and process monitoring applications In addition to protecting your computer from accidental contact with high external voltages the isolation provided eliminates troublesome ground loops Letters are appended to the model numbers to signify options described above included on the card Refer to Table 1 1 for model specific information MODEL No of Bits Max Input Voltage i CR AC Filter 48A 48 31V No Yes 48AC 48 31V Yes Yes 48B 48 60V No Yes 48BC
12. ow CD Installation The following instructions assume the CD ROM drive is drive D Please substitute the appropriate drive letter for your system as necessary DOS 1 Place the CD into your CD ROM drive 2 Type 22J J to change the active drive to the CD ROM drive 3 Type NJ s to run the install program 4 Follow the on screen prompts to install the software for this board WINDOWS 1 Place the CD into your CD ROM drive 2 The system should automatically run the install program If the install program does not run promptly click START RUN and type click OK or press 3 Follow the on screen prompts to install the software for this board LINUX 1 Please refer to linux htm on the CD ROM for information on installing under linux 8 Manual 104 IDI 48 SERIES Installing the Hardware Before installing the board carefully read Chapter 3 and Chapter 4 of this manual and configure the board according to your requirements The SETUP Program can be used to assist in configuring jumpers on the board Be especially careful with Address Selection If the addresses of two installed functions overlap you will experience unpredictable computer behavior To help avoid this problem refer to the FINDBASE EXE program installed from the CD The setup program does not set the options on the board these must be set by jumpers To Install the Board 1 2 3 4 Install jumpers for selected options and base
13. ured by ACCES which is found to be defective will be repaired or replaced subject to the following considerations Terms and Conditions If a unit is suspected of failure contact ACCES Customer Service department Be prepared to give the unit model number serial number and a description of the failure symptom s We may suggest some simple tests to confirm the failure We will assign a Return Material Authorization RMA number which must appear on the outer label of the return package All units components should be properly packed for handling and returned with freight prepaid to the ACCES designated Service Center and will be returned to the customer s user s site freight prepaid and invoiced Coverage First Three Years Returned unit part will be repaired and or replaced at ACCES option with no charge for labor or parts not excluded by warranty Warranty commences with equipment shipment Following Years Throughout your equipment s lifetime ACCES stands ready to provide on site or in plant service at reasonable rates similar to those of other manufacturers in the industry Equipment Not Manufactured by ACCES Equipment provided but not manufactured by ACCES is warranted and will be repaired according to the terms and conditions of the respective equipment manufacturer s warranty General Under this Warranty liability of ACCES is limited to replacing repairing or issuing credit at ACCES discretion for any products which are proved to b
14. will show a 1 if one or more of the COS IRQs have been enabled Once COS IRQs have been enabled for the byte s a change of input level low to high or high to low within that byte s will set the IRQ latch After an IRQ is generated bit 6 of Base 7 will be set Low 0 which can be used to confirm that a shared interrupt was generated by this board Also bits 0 5 will be set High 1 depending upon which byte s the COS occurred on Any read of Base 7 will clear the IRQ latch return bit 6 to it s High 1 state and return bits 0 5 to their Low 0 state For more on reading Base 7 refer to the Read Base 7 table Please note Enabling or Disabling IRQs does not clear the IRQ latch If you disable IRQs while one is pending it is still required to read from Base 7 to clear the pending IRQ 14 Manual 104 IDI 48 SERIES Read 7 COS Status Register mr ms ma mz mo IRQ IRQ Status Port 1 Port 1 Mid Port 1 Low Port 0 Port 0 Mid Port 0 Low Enable Active High Byte Byte IRQ High Byte Byte IRQ Byte Status Low IRQ Status IRQ Status Status IRQ Status Status IRQ Status Bit 6 N A Port 1 Port 1 Mid Port 0 Mid Port 0 Low High Byte Byte Byte IRQ Byte IRQ Enable IRQ Enable Disable Enable Disable Disable Disable Disable 15 Manual 104 IDI 48 SERIES Chapter 6 Connector Pin Assignments Two identical 50 pin right angle headers are provided on t
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