Owner manual

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IM 04L41B01-17E
1.10 Using the Modbus Client Function
The DX is used as a Modbus client.
For the Modbus specifications, see section 6.3.
Setting the Modbus Client
Carry out the steps below to enable the DX to read the data of another device or write
data to another device using Modbus.
◊ Press MENU (to switch to setting mode), hold down FUNC
for 3 s (to switch to basic
setting mode), and select the Menu tab > Communication (Ethernet) > Modbus
client.
Basic settings
Destination server settings
Transmitted command settings
Basic settings
• Read cycle
Set the read cycle to 125m, 250m, 500m, 1, 2, 5, or 10s.
• Retry interval
Set the interval for retrying the connection when the connection is interrupted for some
reason. Select Off, 10, 20, or 30 s, 1, 2, 5, 10, 20, or 30 min, or 1 h. When Off is
selected, the connection is not retried. The communication stops if the communication
fails.
Destination server settings
• Server number
Select 1 to 16 for the server registration numbers to be configured.
• Port
Enter the port number in the range of 0 to 65535 for the selected server. The default
value is 502.
• Modbus server name
Set the destination Modbus server name using up to 64 alphanumeric characters.
• If the DNS is used, you can set the host name as a server name.
• You can also set the IP address. In this case, the DNS is not required.