Connecting Modbus devices

Modbus RTU meters/sensors/devices can be used with VT336, VT855i, VT960i and VT960ii monitoring units directly. Read Connecting Modbus RTU sensors/meters/devices (legacy) and Connecting Modbus TCP/IP meters/devices/sensors.

Modbus RTU meters/sensors/devices can be used with VT325, VT335S, VT805VT825 monitoring units using VT85 / Modbus extension board. Read Connecting "VT85 / Modbus extension board".

Vutlan monitoring systems currently support the following protocols:

Modbus RTU read/write

Modbus TCP/IP read/write

The current maximum speed of checking the Modbus devices is 1 in 10 seconds.

Write is possible for any symbol and up to 32 symbols.


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