13 Modbus protocol
The PX333 controller comes equipped with slave implementation of the
Modbus TCP/IP protocol. The protocol allows the user to control the operation
of the controller, by activating scenes / programs and to obtain information on
the status of individual components.
Parameter reading:
•
DMX channel values
•
digital input status
•
scene / program status
Control:
•
triggering events
•
operating areas
•
scene / program actions
•
operation of elements lists
A master device will connect with the controller through the standard
Modbus / TCP port (port 502).
Table 1 is divided into two selections: READ-ONLY parameters and WRITE-
ONLY parameters. The first column contains parameter names and the
number of these parameters. Column 2 sets out the Modbus function that
should be used. Column 3 shows the addresses of individual parameters to
which a command should be sent. The addresses are expressed both in
decimal and hexadecimal notation. The right-most column shows allowed
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Содержание PX333
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