Microcomputer Connection (Serial) - Mitsubishi Electric GT14 User Manual

61. MICROCOMPUTER CONNECTION
(SERIAL)

61.1 Microcomputer Connection (Serial)

The "microcomputer connection (Serial)" is a function by
which data can be written or read from a PC,
microcomputer board, PLC, etc. (hereinafter referred to as
"host") to virtual devices of the GOT.
Interrupt output is also available from the GOT to the host.
Virtual devices inside GOT
D0
D100 000A
D163 0362
D4095
Write,Read Command
S
RW 0100 000A 0163 0362
T
X
Microcomputer board
POINT POINT POINT
Virtual devices inside the GOT
The devices inside the GOT are used in the
microcomputer connection.
(PLC devices are not used.)
61.4 Device Data Area
Interrupt
output
E
D3
T
X
61. MICROCOMPUTER CONNECTION (SERIAL)

Flow of data processing
(1) When reading or writing data
GOT
Screen data
Screen display
Display(D4 to 9)
04/06/01 18:46:49
Input(D20)
1254
Response
*1
message
Host
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
61.1 Microcomputer Connection (Serial)
56
57
58
Device data area
*2
(Virtual devices)
59
Request
*1
message
60
61
62
63
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