Modbus(R)/Rtu Equipment Side Setting; Communication Settings - Mitsubishi Electric GOT1000 Series Connection Manual

4.5 MODBUS(R)/RTU Equipment Side Setting

POINT POINT POINT
®
MODBUS /RTU equipment
For details of the MODBUS
the manual of MODBUS
4.5.1

Communication settings


Device setting items for GT Designer3
Item
Set the device name, device number, and bit number.
The bit number can be set only when specifying the bit of word
device.
Device
File Set the file No.
No. The file No. can be set only when select 6 at [Device].
Informati Displays the device type and setting range which are selected
on in [Device].
Set the station number of the controller to be monitored.
Host Select this item for monitoring the host controller.
For
GT16,
Other
GT15,
GT14
Network
For
GT11, Station No.
GT10
Set the station No. to 0 to write data to all the
controllers connected.
Setting
During monitoring, the host controller is monitored.
of
(When writing the data in numerical input, the data is
station
written to all connected controllers during input, and
No. 0
the host controller is monitored during other than
input (displaying).)
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4. MODBUS(R)/RTU CONNECTION

4.5 MODBUS(R)/RTU Equipment Side Setting

®
/RTU equipment, refer to
®
/RTU equipment to be used.
Description
Select this item for monitoring other
controllers.
After selecting the item, set the station
number and network number of the
controller to be monitored.
®
NW No.: For the MODBUS /RTU
connection, set "1".
®
For the MODBUS /TCP
connection, set the
network No.
Station No.: Set the station No.
Select this item for monitoring other
controllers.
After selecting the item, set the station
number of the controller to be
monitored.
Station No.: Set the station No.

Function Code
The GOT supports the following function codes.
Function Code Function
0x01 Read Coils
0x02 Read Discrete Inputs
0x03 Read Holding Registers
0x04 Read Input Registers
0x05 Write Single Coil
0x06 Write Single Register
0x0F Write Multiple Coils
0x10 Write Multiple Register
0x14 Read File Record
0x15 Write File Record
Number of device
that is accessible
with one
message
[Unit: point(s)]
1 to 2000
1 to 2000
1 to 125
1 to 125
1
1
1 to 1968
1 to 123
1 to 124
1 to 122