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11.3.2.1 Modbus TCP (Optional)
The Flow sensors VA 520 comes optional with a Modbus TCP Interface
(HW Interface:M12 x 1 X-coded connector).
Device supports with this option the Modbus TCP protocol for communication with SCADA systems.
TCP port is set to 502 by default. Port can be changed at the sensor or using PC Service Software
Modbus device address (Unit Identifier) can be set in the range of 1- 255.
Specification and description of the Modbus protocol is free to download on: www.modbus.org.
Supported Modbus commands (functions):
Command
Function Code
Function code
For more details, please see
Settings → Network Setup
11.3.2.1.1 Network Setup DHCP
Settings → Network Setup Settings → IP Address
VA 520 EN V1.22
Code
Description
3
(Read holding register)
16
(Write multiple registers)
VA 5xx Modbus RTU_TCP Installation V1.04
Here you can set up and made a connection, with
or without DHCP, to a computer.
Remark:
With activated
the sensor in an existing network is possible,
without a manual configuration.
Storing of settings by pressing
DHCP
the automatic integration of
"Save"
Funcionamiento
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