Formats 14, 15 (Got-F900 Series Microcomputer Connection) - Mitsubishi Electric GOT2000 Series Connection Manual

2.5.7

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.
2 - 66
2. MICROCOMPUTER CONNECTION (SERIAL)
2.5 Message Formats
Com-
STX Data CR
mand
02 0D
H
Com-
STX Station No. Data
mand
02
H
(H) (L)
STX Data
02
H
2.6.1 Setting communication interface (Communication settings)
Message format
(format 15: GOT-F900 Series microcomputer connection (format
2))
(1) w/out station No.
STX
H
(2) w/station No.
Com-
CR
STX
mand
0D
02
H
H
(format 15: GOT-F900 Series microcomputer connection (format 2))
STX
CR
02
H
0D
H
ACK
06
H
NAK
15
H
Output
value
1/2/4
*1
bytes
Com-
Data ETX
mand
02 03
H H
(H)
Sum check is performed in this range.
Station No. Data ETX
03
(H) (L)
Sum check is performed in this range.
Data ETX
03
Sum check is performed in this range.
Sum
Check
(L)
Sum
Check
H
(H) (L)
Sum
Check
H
(H) (L)