Formats 14, 15 (Got-F900 Series Microcomputer Connection) - Mitsubishi Electric GT16 User Manual

61.5.7 Formats 14, 15 (GOT-F900 Series microcomputer connection)


Basic format of data communication
Item
(format 14: GOT-F900 Series microcomputer connection (format
1))
(1) w/out station No.
Request message
(host GOT)
(2) w/station No.
(1) During processing of read commands
(format 14: GOT-F900 Series microcomputer connection (format 1))
Response message
during normal
communication
(GOT host)
(2) During processing of write commands
Response message
during faulty
communication
(GOT host)
During interrupt
output
*1 Set the number of interrupt data bytes at [Detail Setting] in GT Designer3.
For the setting of the number of interrupt data bytes, refer to the following.
61 - 52
61. MICROCOMPUTER CONNECTION (SERIAL)
61.5 Message Formats
Com-
STX Data CR
mand
02
H
Com-
STX Station No. Data
mand
02
H
(H) (L)
Data
STX
02
H
61.6.1 Setting communication interface (Communication settings)
Message format
(format 15: GOT-F900 Series microcomputer connection (format
2))
(1) w/out station No.
0D
H
(2) w/station No.
CR
STX
0D
02
H
(format 15: GOT-F900 Series microcomputer connection (format 2))
STX
CR
02
0D H
H
ACK
06
H
NAK
15
H
Output
value
1/2/4
bytes *1
Com-
STX Data ETX
mand
02 03
H H
Sum check is performed in this range.
Com-
Station No. Data
mand
H
(H) (L)
Sum check is performed in this range.
Data
Sum check is performed in this range.
Sum
Check
(H) (L)
Sum
ETX
Check
03
H
(H) (L)
Sum
ETX
Check
03
H
(H) (L)