Keithley DDA-06 User Manual Download Page 25 | Manualshive

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4-4

Cabling and Wiring

Figure 4-6. 4 to 20 mA Current Output (Grounded Load)

R

L

DAC Out

LL GND

Loop

Supply

Output mode
jumper in
I position

5 V
minimum

+

−

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Summary of Contents for DDA-06

Page 1: ...ess underutilized and idle equipment along with credit for buybacks and trade ins Custom engineering so your equipment works exactly as you specify Critical and expedited services Leasing Rentals Demo...

Page 2: ...DDA 06 U S E R S G U I D E Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Page 3: ...DDA 06 User s Guide Revision B July 1994 Part Number 61860 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Page 4: ...Aurora Road Cleveland OH 44139 Technical Support 1 888 KEITHLEY Monday Friday 8 00 a m to 5 00 p m EST Fax 440 248 6168 Visit our website at http www keithley com Artisan Technology Group Quality Inst...

Page 5: ...SIGNED WITH COMPONENTS OF A LEVEL OF RELIABILITY SUITABLE FOR USE IN LIFE SUPPORT OR CRITICAL APPLICATIONS Refer to your Keithley Instruments license agreement and Conditions of Sale document for spec...

Page 6: ...es and applications The DDA 06 User s Guide is organized as follows Chapter 1 describes features accessories and software options of the board Chapter 2 summarizes operating features of the board This...

Page 7: ...ing the source of operating problems This chapter also contains instructions for obtaining technical support Appendix A contains specifications for the DDA 06 board Appendix B contains pin assignments...

Page 8: ...ddress 3 3 Setting the Output Range 3 5 Setting the Data Transfer Mode 3 5 Setting the Output Mode 3 5 Installing the Board 3 6 4 Cabling and Wiring Attaching an STA U SSIO 24 or ERB 24 4 2 Attaching...

Page 9: ...Block Diagram of DDA 06 2 1 Figure 3 1 Switch and Jumper Locations 3 3 Figure 4 1 Pin Assignments for the Main I O Connector 4 1 Figure 4 2 Attaching an STA U SSIO 24 or ERB 24 4 2 Figure 4 3 Attachi...

Page 10: ...Map 6 1 Table 6 2 DAC Data Format 6 2 Table 6 3 Control Code Requirements for Port I O Settings 6 4 Table 8 1 Troubleshooting Information 8 2 Table A 1 Digital I O Specifications A 1 Table A 2 DAC Sp...

Page 11: ...06 are as follows 24 bits of parallel digital I O Six channels of 12 bit analog output 5 10 2 5 5 and 10 V analog output ranges 4 to 20 mA current loop sink capability at the analog output Switch sele...

Page 12: ...tal I O The Control Panel is a means of testing the board and your application it is also a means of performing simple applications Refer to Chapter 5 for more information about the Control Panel PORT...

Page 13: ...l connector panel This accessory connects directly the the main I O connector of a DDA 06 board to provide general purpose screw terminal connections in a compact form factor ERB 24 Electrical relay b...

Page 14: ...block diagram of the DDA 06 board Figure 2 1 Block Diagram of DDA 06 DAC 0 Out 0 Latch 12 DAC 5 Out 5 12 DAC 4 Out 4 Latch 12 DAC 3 Out 3 Latch 12 DAC 1 Out 1 Latch 12 DAC 2 Out 2 Latch 12 Digital I...

Page 15: ...ains six independent 12 bit DACs digital to analog converters that are individually switch selectable for any of the following ranges 0 to 10 V 0 to 5 V 2 5 V 5 V 10 V 4 to 20 mA current loop sink Eac...

Page 16: ...self by touching a grounded conductor such as your computer chassis your computer must be turned off or by wearing an anti static strap Whenever you handle a board hold it by the edges and avoid touch...

Page 17: ...age Note that the DOS program UTIL06 EXE is available to facilitate the installation calibration and test of your DDA 06 Note also that the Windows program CTL06W EXE the Control Panel is available fo...

Page 18: ...le 3 1 Values of Base Address Switch Positions Switch Position Address Line Value When Switch Is OFF Decimal Hexadecimal 1 A9 512 200 2 A8 256 100 3 A7 128 80 4 A6 64 40 5 A5 32 20 6 A4 16 10 1 2 3 4...

Page 19: ...nts Address Hexadecimal Device Address Hexadecimal Device 000 0FF Internal I O 378 37F Printer 100 1FF Undecoded 380 389 Binary comm 2 200 20F Joy stick Port 380 38C SDLC comm 210 217 Expansion unit 3...

Page 20: ...t channel updates simultaneously with all other DACs jumpered at position X on a read of any I O address in the range of Base Address 0h to Base Address Bh Setting the Output Mode The output mode jump...

Page 21: ...n an accessory slot of your computer 1 Turn off power to the computer and all attached equipment 2 Remove the computer chassis cover 3 Select an unoccupied accessory slot and remove the corresponding...

Page 22: ...e turn off power to the computer and any attached accessories before making connections to a DDA 06 board 37 PA0 36 PA1 35 PA2 34 PA3 33 PA4 32 PA5 31 PA6 30 PA7 29 PC0 28 PC1 27 PC2 26 PC3 20 LL GND...

Page 23: ...24 Attaching an STC 37 Accessory The STC 37 connects to the DDA 06 main I O connector as shown in Figure 4 3 The screw terminal numbers of the STC 37 correspond to the pin numbers of the main I O conn...

Page 24: ...oop to a DAC channel set for the voltage output mode as the loop supply can cause irreversible damage to the DAC Figure 4 5 4 to 20 mA Current Output Floating Load RL 2 k minimum DAC Out LL GND Output...

Page 25: ...ng Figure 4 6 4 to 20 mA Current Output Grounded Load RL DAC Out LL GND Loop Supply Output mode jumper in I position 5 V minimum Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOUR...

Page 26: ...base address and DAC output ranges select File from the Control Panel menu When the Control Panel displays the File menu select Config to display the Configuration setup panel for your selections 3 To...

Page 27: ...option in the Control Panel menu To obtain information on DDA 06 board functions and parameters refer to Chapter 2 6 When you finish using the Control Panel select Exit from the File menu to terminate...

Page 28: ...grams later in this chapter Table 6 1 DDA 06 Register I O Address Map I O Address Function I O Address Function Base Address 0h DAC 0 low byte W1 Notes 1 W write only Base Address 8h DAC4 low byte W B...

Page 29: ...o full scale coding is true binary as follows 0000 0000 0000 Zero 1000 0000 0000 1 2 scale 1111 1111 1111 full scale minus one bit For bipolar ranges full Scale to full Scale coding is offset binary a...

Page 30: ...UT BASE 1 XH Write the MSBs to the high 60 byte of DAC 0 For a normal update the DAC is automatically updated after the MSB write performed on line 50 For a simultaneous update add the following when...

Page 31: ...then reads data from ports B and C performs a logical OR on the data and writes the result to port A Refer to the I O map Table 6 1 on page 6 1 for register locations Let BASE the base address of the...

Page 32: ...ikely to exceed 0 1 If you are unable to adjust a DAC to correct settings or the DAC exhibits nonlinearity you must replace the DAC The DACs are plug in DAC 80N or DAC 80Z units Keithley MetraByte par...

Page 33: ...er Locations 1 2 3 4 5 6 O N Base Address Switch DAC 0 DAC 1 DAC 2 DAC 3 DAC 4 DAC 5 Range Switch N X V I Data Transfer Jumper Output Mode Jumper DAC 0 FS Adj DAC 0 Zero Adj DAC 0 I Loop Zero DAC 2 FS...

Page 34: ...m Isolation If you encounter a problem with a DDA 06 board use the instructions in this section to isolate the cause of the problem before calling Keithley MetraByte Hardware Applications Engineering...

Page 35: ...The board is damaged Contact the Keithley MetraByte Hardware Applications Engineering Department see page 8 5 Intermittent operation The most common cause of this problem is that the I O bus speed is...

Page 36: ...DA 06 board refer to page 3 3 for more information Check the I O assignments of other system resources and reconfigure if necessary Computer does not boot Board not seated properly Check the installat...

Page 37: ...erform any necessary diagnostics At this point if you have another DDA 06 board that you know is functional you can test the slot and I O connections using the instructions in the next section If you...

Page 38: ...eration remains normal to this point the problem is in the DDA 06 board s originally in the computer If you were using more than one board try each board one at a time in the computer to determine whi...

Page 39: ..._________ ___________________ ___________________ ______ Operating System DOS version Windows version Windows mode ___________________ ___________________ ___________________ ___ Software package Name...

Page 40: ...e outside of the package Repackage the equipment using the original anti static wrapping if possible and handling it with ground protection Ship the equipment to ATTN RMA _______ Repair Department Kei...

Page 41: ...input characteristics Logic low level 0 5 V minimum to 0 8 V maximum Logic high level 2 0 V minimum to 5 0 V maximum Input current 10 A logic high or low TTL DTL CMOS compatible output characterstics...

Page 42: ...5 ppm typical 30 ppm maximum Output ranges 0 to 5 V 0 to 10 V 2 5 V 5 V 10 V 4 to 20 mA current sink to ground Voltage output characteristics Load current 5 mA maximum Short circuit current 40 mA maxi...

Page 43: ...to 90 noncondensing Weight 10 oz 290 gm Table A 4 Power Specifications Feature Specification 5 V supply 450 mA typical 550 mA maximum 12 V supply 60 mA typical 100 mA maximum 12 V supply 140 mA typica...

Page 44: ...main I O connector Figure B 1 Main I O Connector Pin Assignments 37 PA0 36 PA1 35 PA2 34 PA3 33 PA4 32 PA5 31 PA6 30 PA7 29 PC0 28 PC1 27 PC2 26 PC3 20 LL GND LL GND 19 DAC 0 Out 18 LL GND 17 DAC 1 Ou...

Page 45: ...DAC 80N A 2 connector 37 pin female type D 1 3 Control Panel utility 1 2 5 1 D DACs digital to analog converters 2 2 Darlington drive current A 1 data format 6 2 data transfer mode jumper 3 5 diagram...

Page 46: ...ng equipment 8 6 RMA number 8 6 S setting the base address 3 3 the data transfer mode 3 5 the output range 3 5 setting the output mode jumper 3 5 settling time 2 2 single step update 2 2 software pack...

Page 47: ...3 1 update individual 2 2 simultaneous 2 2 utility Control Panel 1 2 5 1 general 1 2 PORTIO DLL 1 2 V VIEWDAC 1 2 W warranty repairs 8 7 Artisan Technology Group Quality Instrumentation Guaranteed 88...

Page 48: ...uipment Have surplus equipment taking up shelf space We ll give it a new home Learn more Visit us at artisantg com for more info on price quotes drivers technical specifications manuals and documentat...

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