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

5.5

MODBUS(R)/RTU Equipment Side Setting

5.5.1 Communication settings
■1. 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 No.
Information Displays the device type and setting range which are selected in [Device].
Set the station number of the controller to be monitored.
All
Host
Network
Other
■2. Function Code
The GOT supports the following function codes.
Function Code
0x01
0x02
0x03
0x04
0x05
0x06
0x0F
0x10
0x14
0x15
POINT POINT POINT
®
MODBUS /RTU equipment
®
For details of the MODBUS
to be used.
Set the file No.
The file No. can be set only when select 6 at [Device].
Select this item for writing data to all controllers connected. During monitoring, the host controller is monitored.
(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).)
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.: For the MODBUS
®
For the MODBUS /TCP connection, set the network No.
Station No.: Set the station No.
Read Coils
Read Discrete Inputs
Read Holding Registers
Read Input Registers
Write Single Coil
Write Single Register
Write Multiple Coils
Write Multiple Register
Read File Record
Write File Record
/RTU equipment, refer to the manual of MODBUS
Description
®
/RTU connection, set "1".
Function
5.5 MODBUS(R)/RTU Equipment Side Setting
®
/RTU equipment
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
5 - 15
5