Modbus client connect limits function, 1 to 10 – Yokogawa Touch Screen GP20 User Manual
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IM 04L51B01-01EN
1.16.8 Limiting the Connection to the Modbus Server (GX/GP)
Path
GX/GP:
MENU key > Browse tab > Setting > Setting menu Communication (Ethernet)
settings > Server settings > Allowed Modbus clients
Web browser:
Config. tab > Communication (Ethernet) settings > Allowed Modbus
clients
Hardware configurator:
Communication (Ethernet) settings > Allowed Modbus clients
Description
Modbus client connect limits function
Setup Item
Selectable Range or Options
Default Value
On/Off
Off, On
Off
On/Off
Set this to
On to limit the IP addresses that can connect to the GX/GP Modbus server
function. IP addresses other than those specified here will not be able to connect. To not
limit connections, set this to
Off.
1 to 10
Setup Item
Selectable Range or Options
Default Value
On/Off
Off, On
Off
IP Address
Numerical value (0.0.0.0 to 255.255.255.255) 0.0.0.0
On/Off
Set this to
On to limit connections. You can register up to 10 IP addresses.
IP Address
Set the IP addresses to allow connection (0.0.0.0 to 255.255.255.255). You cannot specify
host names.
1.16.9 Setting the Server Functions to Use (FTP, HTTP, SNTP, MODBUS, GENE)
Path
GX/GP:
MENU key > Browse tab > Setting > Setting menu Communication (Ethernet)
settings > Server settings > Server list
Web browser:
Config. tab > Communication (Ethernet) settings > Server list
Hardware configurator:
Communication (Ethernet) settings > Server list
Description
FTP
Setup Item
Selectable Range or Options
Default Value
On/Off
On, Off
On
Port number
Numeric value (1 to 65535)
21
On/Off
Select
On to use the FTP server function.
Port number
Set the port number of the FTP server. Unless specified otherwise, you do not need to
change this number.
1.16 Configuring the Ethernet Communication Function