Communication
11.2 Communication via Modbus
SIWAREX WP241
Manual, 04/2014, A5E33713528A
163
Corresponding command codes must be sent in order to execute commands and to read
and write data records in the Modbus buffer memories. These are described in more detail in
chapter → Command lists (Page 147). The following tables list the Modbus registers used to
process these commands:
Table 11- 4 Command mailbox 1: Highest priority
Code of command to be executed
Trigger for starting the command
0=job running; 1=job finished (1 cycle)
0=no error; <>0=error code
Table 11- 5 Command mailbox 2: Average priority
Code of command to be executed
Trigger for starting the command
0=job running; 1=job finished (1 cycle)
0=no error; <>0=error code
Table 11- 6 Command mailbox 3: Low priority
Code of command to be executed
Trigger for starting the command
0=job running; 1=job finished (1 cycle)
0=no error; <>0=error code
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