Modbus(R)/Rtu Equipment Side Setting; Communication Settings - Mitsubishi Electric GOT2000 Series Connection Manual

5.5 MODBUS(R)/RTU Equipment Side Setting

POINT POINT POINT
®
MODBUS /RTU equipment
For details of the MODBUS
the manual of MODBUS
5.5.1

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
Set the file No.
File 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.
Select this item for writing data to all controllers
connected. During monitoring, the host controller is
monitored.
All (When writing the data in numerical input, the data
is written to all connected controllers during input,
and the host controller is monitored during other
than input (displaying).)
Network Host Select this item for monitoring the host controller.
Select this for monitoring other controllers.
After selecting the item, set the station number and
network number of the controller to be monitored.
NW No.:
Other
Station No.: Set the station No.
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5. MODBUS(R)/RTU CONNECTION

5.5 MODBUS(R)/RTU Equipment Side Setting

®
/RTU equipment, refer to
®
/RTU equipment to be used.
Description
®
For the MODBUS /RTU connection,
set "1".
®
For the MODBUS /TCP connection,
set the network 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