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SSIO-24

Digital I/O Board

User Guide

A G R E A T E R

M E A S U R E O F C O N F I D E N C E

Содержание SSIO-24

Страница 1: ...SSIO 24 Digital I O Board User Guide A G R E A T E R M E A S U R E O F C O N F I D E N C E ...

Страница 2: ...eriod of one 1 year from date of shipment the Keithley pro duced portion of the software or firmware Keithley Software will conform in all material respects with the published specifications provided such Keithley Software is used on the prod uct for which it is intended and otherwise in accordance with the instructions therefore Kei thley does not warrant that operation of the Keithley Software w...

Страница 3: ...S FOR COSTS DAMAGES OR EXPENSES RELATED TO THE GOODS OR SERVICES PROVIDED UNDER THIS WARRANTY Keithley Instruments Inc 28775 Aurora Road Cleveland Ohio 44139 440 248 0400 Fax 440 248 6168 1 888 KEITHLEY 534 8453 www keithley com Sales Offices BELGIUM Bergensesteenweg 709 B 1600 Sint Pieters Leeuw 02 363 00 40 Fax 02 363 00 64 CHINA YuanChenXinBuilding Room705 12YuminRoad Dewai Madian Beijing100029...

Страница 4: ...uide for the SSIO 24 Digital I O Board Revision C August 2002 Copyright Keithley Data Acquisition 1991 Part Number 81250 Keithley Instruments Inc 28775 Aurora Road Cleveland OH 44139 440 248 0400 Fax 440 248 6168 ...

Страница 5: ...ed trademarks of their respective companies Information furnished by Keithley Instruments is believed to be accurate and reliable However Keithley Instruments assumes no responsibility for the use of such information nor for any infringements of patents or other rights of third parties that may result from its use No license is granted by implication or otherwise under any patent rights of Keithle...

Страница 6: ...d Installation Cat egory I and Installation Category II as described in the International Electrotechnical Com mission IEC Standard IEC 60664 Most measurement control and data I O signals are Installation Category I and must not be directly connected to mains voltage or to voltage sources with high transient over voltages Installation Category II connections require pro tection for high transient ...

Страница 7: ...refer to the operating in structions located in the manual The symbol on an instrument shows that it can source or measure 1000 volts or more including the combined effect of normal and common mode voltages Use standard safety precautions to avoid personal contact with these voltages The WARNING heading in a manual explains dangers that might result in personal injury or death Always read the asso...

Страница 8: ...TALLATION 2 1 Overview 2 1 2 2 Terminal Block TB7 2 1 2 3 Port Direction Switch S1 2 3 2 4 Mode Selection Block J3 2 4 2 5 Installation 2 6 2 6 Connector Pin Assignments 2 8 CHAPTER 3 PROGRAMMING 3 1 Overview 3 1 3 2 Examples 3 1 CHAPTER 4 FACTORY RETURNS 4 1 Fuse Replacement 4 1 4 2 Return Requirements 4 1 ...

Страница 9: ...PIO 24 uCPIO 12 HO 96 uPIO 72 Set the interface direction via the port direction DIP switch locatedat the front of the Board The Board is 19 rack mountable with an optional EMT 02 adapter or it mounts on any flat panel or other flat surface To identify module activity each module location contains a status indicator LED For applications requiring power beyond the normal capacity of the computer po...

Страница 10: ...DC Output Module SM OAC5 12 140VAC Output Module SM IAC5 90 140VAC Input Module SM IDC5 3 3 32WC Input Module CACC 2000 PIO 96Cable C 1800 Standard cable This cableis 1 5 long To order the sameinterface cablein different lengths specify C 18xX where xx is the length in feet For example for a cable 10 5 long you would specify C 1809 RMT 02 Rack mountable enclosure installs into any standard 19 rack...

Страница 11: ...on to the Terminal Block used to select the power source Figure 2 1 Component locations 2 2 TERMINAL BLOCK TB7 The SSIO 24 draws power from the PC from an external source or from a combination of the two Factory conÞguration sets the Board for power from the PC To conÞgure the power setting use one of the fol lowing procedures Setting For PC Power NOTE Do not use the PC power setting if the contro...

Страница 12: ...rnal power supply to the terminals marked and as shown in Figure 2 3 Note that failure to observe polarity will blow Fuse F25 Figure 2 3 Connecting TB7 for external power when control signals come from a standard digital I O board Control signals come from a KPCMCIA PIO24 module The KPCMCIA PIO24 does not supply 5V to the SSIO 24 There fore you must supply all 5V signals externally including the 5...

Страница 13: ...rmation on the 8255 PPI is available from Intel The 8255 PPI is conÞgured as three ports two 8 bit ports Ports A and B and one 8 bit port usable as two 4 bit ports Port C HI LOW Each of these 8255 PPI ports corresponds to a port on the SSIO 24 Port Direction Switch S1 see Figure 2 1 selects the direction of each of these ports To set the direction for a port move the corresponding slide of the Por...

Страница 14: ...the OUTPUT modules connected to that port INPUT modules are always enabled SW1 setting INPUT The SSIO 24 must detect this HIGH to LOW transition for the OUTPUT modules to become enabled Two anomalies exist with NORMAL mode because a reset line to the SSIO 24 is unavailable The anomalies are obvious only when using OUTPUT modules After a PIO port is programmed for OUTPUT and the reset button of the...

Страница 15: ... before enabling the OUTPUT ports Whenever the PC resets the PIO XX board this bit goes high and automatically resets the SSIO 24 at the same time the PIO XX board is reset This bit also allows you to quickly shut down the entire SSIO 24 with a single write to this location The SSIO 24 has a latch for each of the four 4 ports the latch disables OUTPUT modules after a reset After you reset the SSIO...

Страница 16: ...BASEADDRESS 0 H00 Write 0s to Port A 7 Output modules are now ready to accept user input NOTE After the computer has been powered up or after the RESET button of the computer has been pressed AND the PIO XX has been set for the appropriate port directions the user must initiate steps 5 and 6 of the above example BEFORE writing to OUTPUT modules of the SSIO 24 2 5 INSTALLATION The SSIO 24 mounts on...

Страница 17: ... 7 Plug the Parallel I O card into your computer and connect it to the SSIO 24 with the appropriate cable For the PIO 12 PIO 24 uPIO 12 or uPIO 24 plug the C 18xx cable into SSIO 24 Connector J1 For the PIO 96 plug the CACC 2000 cable into SSIO 24 Connector J2 You are now ready to program the Parallel I O card s ports to correspond with those on the SSIO 24 Be very careful to observe the direction...

Страница 18: ...ECTOR PIN ASSIGNMENTS All digital I O is through a standard 37 pin D type male connector or through a 50 pin PIO 96 type connector The connector pin assignments are shown in Figures 2 6 and 2 7 Figure 2 6 37 pin connector assignments ...

Страница 19: ...INSTALLATION 2 9 Figure 2 7 50 pin connector assignments ...

Страница 20: ...en using a Parallel l O board with the SSIO 24 use the 8255PPI in Mode 0 only The port direction and mode are setby writing to the 8255control register Parallel l O board BaseAddress 3 3 2 EXAMPLES In C This example in C assumes that Ports A and C LO KAO KA7 and KCO KC3 are for output while Ports B and C HI arefor input 1 1 Write to the control register to set Ports A and C LO to output i i and Po...

Страница 21: ...d C HI are for input 1 Write to the control register to set Ports A and C LO to output and Ports Band C l U to input For example 0DT BASEADDRE88 3 LIi8A 2 Accessthe ports asneeded For example to write to Port A OUT BASEADDRE88tO RORTADATA 3 To write to Port C LO OUT BASWkDDRESS 2 PORTCLODATA 4 To read Port B PORTB INP BASEADDRESStl 5 To read Port C HI PORTCHI INR BASEADDRESSt2 16 THE lS PERFORMSA ...

Страница 22: ...sentative will issue you a Return Material Authorization RMA number and ask you to return the equipment Pleasereference the RMA number in any documentation regarding the equipment and on the outside of the shipping container Note that if you are submitting your equipment for repair under warranty you must furnish the invoice number and date of purchase When returning equipment for repair please in...

Страница 23: ...4 2 SSIO 24 USER GUIDE Ship the equipment to Attn RMA ___________ Repair Department Keithley Instruments Inc 28775 Aurora Road Cleveland OH 44139 Telephone 1 888 KEITHLEY FAX 440 248 6168 ...

Страница 24: ...ithley Instruments Inc All other trademarks and trade names are the property of their respective companies Keithley Instruments Inc 28775Aurora Road Cleveland Ohio 44139 440 248 0400 Fax 440 248 6168 1 888 KEITHLEY 534 8453 www keithley com Copyright 2000 Keithley Instruments Inc No 2193 Printed in the U S A 4 2001 ...

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