Chapter 7 serial communication, Chapter 7, Serial communication – KEYENCE Visual KV Series User Manual
Page 329
Chapter 7
Serial Communication
The KV Series can be connected to an external device with an RS-232C interface
to establish communication.
This chapter describes communications specifications, how to connect the KV
Series to external devices, and how to perform communication.
7.1
Communications Specifications ............................................
3-306
7.1.1
Communications Specification ............................................................... 3-306
7.1.2
Connection with the KV Unit .................................................................. 3-306
7.1.3
Connecting the KV-300 CPU to a Personal Computer .......................... 3-307
7.2
Serial Communication .............................................................
3-308
7.2.1
Command Transmission Procedure ....................................................... 3-308
7.2.2
Format of Commands/Responses ......................................................... 3-309
7.2.3
Communication Command/Response List ............................................. 3-310
7.2.4
Setting Communication Commands and Responses to Commands ..... 3-311
7.2.5
Other Response Codes .......................................................................... 3-315
7.2.6
Error Code List ....................................................................................... 3-316
7.2.7
Example Program .................................................................................. 3-317
7.3
Loading Text Data ....................................................................
3-318
7.3.1
Receiving Text Data ............................................................................... 3-318
7.3.2
Transmitting Text Data ........................................................................... 3-319
7.3.3
Sample Program .................................................................................... 3-320
7.4
ASCII Code List ........................................................................
3-321
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