KEYENCE KV Series - Manual (Page 19)

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Chapter 9 KV-AD4/DA4 Analog I/O Unit KV-10/80
9.1 Outline ......................................................................................................... 1-334
Features ................................................................................................... 1-334
9.2 Configuration ............................................................................................... 1-335
9.2.1 Part Names and Functions ............................................................................. 1-335
KV-AD4 .................................................................................................... 1-335
KV-DA4 .................................................................................................... 1-336
9.2.2 Specifications .................................................................................................. 1-337
KV-AD4 .................................................................................................... 1-337
KV-DA4 .................................................................................................... 1-339
9.2.3 System Configuration ..................................................................................... 1-341
9.3 Installation .................................................................................................... 1-342
9.3.1 Installation Procedure ..................................................................................... 1-342
9.3.2 Checking the Installation Environment ........................................................... 1-343
9.3.3 Setting the KV-AD4 Input Mode ...................................................................... 1-344
Setting the input mode ............................................................................. 1-344
9.3.4 Connecting External Instruments .................................................................... 1-345
Wiring ....................................................................................................... 1-345
Wiring diagrams ....................................................................................... 1-346
9.3.5 Connecting to the KV-10 to 80 ........................................................................ 1-348
9.3.6 Maintenance ................................................................................................... 1-349
Inspection and Cleaning .......................................................................... 1-349
9.4 Programming ................................................................................................ 1-350
9.4.1 Programming the KV-AD4 .............................................................................. 1-350
A/D Conversion Mechanism .................................................................... 1-350
About Digital Data after A/D Conversion .................................................. 1-351
Calculating Voltage and Current Values from Digital Data ...................... 1-352
9.4.2 Programming the KV-DA4 .............................................................................. 1-353
D/A Conversion Mechanism .................................................................... 1-353
Converting Digital Data to Voltage or Current Values to be Output ......... 1-354
Writing Digital Data to Data Memory for D/A Conversion ........................ 1-356
9.4.3 A/D and D/A Conversion Tables ..................................................................... 1-357
Voltage Conversion Table ........................................................................ 1-357
Current Conversion Table ........................................................................ 1-358
9.5 Programming Examples .............................................................................. 1-359
Calculating Analog Data Values from Digital Data ................................... 1-359
Writing Data to be Analog-output ............................................................. 1-361
Outputting Analog Trimmer Values .......................................................... 1-364
Outputting Analog Input Data ................................................................... 1-365
Outputting Analog Input from a Pressure Sensor to an Air Valve ............ 1-366
Setting the Minimum and Maximum Voltage Limits and Measuring the
Average Voltage ...................................................................................... 1-367
9.6 Troubleshooting ........................................................................................... 1-370
Chapter 10 Troubleshooting
10.1 Error List ....................................................................................................... 1-372
10.1.1 List of Error Codes in Basic Units ................................................................... 1-372
10.1.2 Error indication in Expansion Units ................................................................. 1-374
10.1.3 Program Errors ............................................................................................... 1-375
10.1.4 Memory Card Errors and Other Errors ........................................................... 1-376
10.2 Replacing Relays ......................................................................................... 1-377
Replacement procedure ........................................................................... 1-377
10.3 Troubleshooting ........................................................................................... 1-378
10.3.1 Troubleshooting List ....................................................................................... 1-378
10.4 Error Messages ............................................................................................ 1-380
Appendices
Appendix A. Specifications and Dimensions [Visual KV Series] .................... 1-382
A.1 System Specifications [Visual KV Series] ....................................................... 1-382
Hardware ................................................................................................. 1-382
Software and Programming ..................................................................... 1-383
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