Mitsubishi Electric GOT2000 Series Connection Manual page 65

■1. Flow of data processing
(1) When reading or writing data
Step 1.
The host sends a request message (the read/write command) to the GOT.
Step 2.
The GOT performs a read/write processing to its virtual devices according to the request from the host.
Step 3.
Upon completion of the processing, the GOT sends a response message (processing result) to the host.
Step 4.
Creating the following objects on the screen allows you to use the data read/written to the virtual devices:
• Numerical Display that displays data written by the write command
• Numerical Input that is used to input data to be upload to the host
GOT
Screen data
Screen display
Display(D4 to 9)
04/06/01 18:46:49
4.
Input(D20)
1254
3.
Response
message
* 1
Host
Device data area
* 2
(Virtual devices)
2.
1.
Request
message
* 1
2.1 Microcomputer Connection (Serial)
2
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