Mitsubishi Electric GT16, Руководство пользователя

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29 - 8
29. GOT MULTI-DROP CONNECTION
29.5 Setting of Serial Multi-Drop Connection Unit
(c) Slave station control signal
This signal controls slave stations which are not
updated by the master station.
Usually, the master station accesses all stations
(up to 16 stations). In addition, if stations are
temporarily in communication error due to a power
disconnection or screen data transfer during the
steady operation, the automatic recovery of the
station is executed for one station per ten seconds.
Therefore, the automatic recovery may take
maximum 2 minutes and 30 seconds.
Using this control signal, the number of slave
stations to be monitored by the master station can
be reduced to the actual number of slave stations
to be used by a user. This makes the automatic
recovery processing smooth. If an error occurs in
only one station, the time for the station to recover
automatically can be reduced within 10 seconds.
When the bits are off and the master station and
the slave stations are in communication, the
communication with the corresponding slave
stations is disconnected if the above corresponding
bits are turned on.

Exporting/Importing the communication
setting contents
(1) Export
After determining the storage location as necessary,
name the file and save it.
The file format is [*.ini] (fixed).
(2) Import
Enter the name of the file previously saved and open
the file.
The file format is [*.ini] (fixed).

Communication detail settings
Make the settings according to the usage environment.
(1) For the connection with GOT
(2) For the connected equipment
Set the communication detail settings of the driver for
controllers according to the connection type.
Refer to each chapter.
Device
value
Action
0
The master station accesses all the slave stations
(station 0 to 15). When the multi-drop system
information is not used, the operation is the same.
Except
0
Turning on the bit corresponding to a station No.
disconnects the specified slave station from the
master station.
1...Unconnected
0...Connected
bit15 bit14 .......... bit2 bit1 bit0
Station
No. 15
Station
No. 14
..........
Station
No. 2
Station
No. 1
Station
No. 0
Item Description Range
Transmission Speed
Set this item when change the
transmission speed used for
communication with the connected
equipment.
(Default: 115200bps)
4800bps,
9600bps,
19200bps,
38400bps,
57600bps,
115200bps
Retry
Set the number of retries to be
performed when a communication
timeout occurs.
When receiving no response after
retries, the communication times
out.
(Default: 0time)
0 to 5times
Timeout Time
Set the time period for a
communication to time out.
(Default: 3sec)
3 to 30sec
Delay Time
Set this item to adjust the
transmission timing of the
communication request from the
GOT.
(Default: 0ms)
0 to 300ms