VSN700 Data Logger Product Manual
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<Eth0_IP_address>:502:14. To communicate with a Modbus RTU device at Modbus slave ID
(address) 26 connected to the Secondary RS-485 port which has been configured for Modbus
RTU, the Modbus TCP command would be pointed to: <Eth0_IP_address>:503:26.
Adding 3rd party devices
If you are adding supported 3
rd
party devices to the Max version of the data logger, follow the steps
below to manually add the device. Alternately, certain Modbus devices can be auto-discovered
using the Find button.
1.
Go to the Home tab. Click on the Pencil
icon across from Devices. The following screen
appears:
2.
The screen shows the current configuration settings for each port. To add a device select the
Plus button on the RS-485 port that the device is connected to. A window appears to enter
device settings.
3.
Select the Device Type from the pull-down menu.
4.
Set the Slave Id field to the Modbus address of the device.
5.
Enter a Description to help you identify the device if you need to change configurations later.
6.
Click the Add button.
7.
The device will be added to the Devices page, listed under the RS-485 port that it is
connected to.