Mitsubishi GOT1000 Series Connection Manual page 733

1 Flow of data processing
(1) When reading or writing data
Screen data
Screen
display
Display (D4 to 9)
04/06/01 18:46:49
Input (D20)
1254
1 The host sends a request message (the read/write command) to the GOT.
2 The GOT performs a read/write processing to its virtual devices according to the request from the
host.
3 Upon completion of the processing, the GOT sends a response message (processing result) to
the host.
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
(2) When outputting interrupts
Screen data
Screen
display
Interrupt (D13)
1 Data are written to the virtual devices for interrupt output from the touch switches on the GOT.
2 The GOT sends the written data (interrupt output) to the host.
*1 Section 19.5 Message Formats
*2 Section 19.4 Device Data Area
GOT
Device data area
*2
(virtual devices)
GOT
Device data area
*2
(virtual devices)
D13 3139
H
Request
*1
message
Response
*1
message
Interrupt
*1
output
Output Output
value 1 value 2
31 39
H H
(when the number of
interrupt data bytes is 2)
19.1 Microcomputer Connection
17
Host
18
19
20
21
Host
22
23
24
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