Formats 3, 4 (Got-F900 Series Microcomputer Connection) - Mitsubishi Electric GT14 User Manual

62.4.4 Formats 3, 4 (GOT-F900 series microcomputer connection)


Basic format of data communication
Item
(1) w/out station No.
Request message
(host GOT)
(2) w/station No.
(1) During processing of read commands
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 "Communication Details Settings" on GT Designer3.
For the setting of the number of interrupt data bytes, refer to the following.
62 - 28
62. MICROCOMPUTER CONNECTION (ETHERNET)
62.4 Message Formats
62.5.1 Setting communication interface (Communication settings)
Message Formats
Com-
Data
mand
Com-
Station No. Data
mand
(H) (L)
Data
ACK
06
H
NAK
15
H
Output
value
1/2/4
bytes *1