USER MANUAL – Z-PASS1/Z-PASS2
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18.4.1
Modbus Bridge
For each serial port, the following configuration parameters are available:
Field
Meaning
Default value
Enable
Flag to enable/disable the Modbus
Bridge functionality on the port
ON
Port
TCP port to access the Modbus Bridge
If three distinct values are set, three
Modbus Bridge instances are run,
each handling a single serial port.
If the same port value is set for more
than one serial port, the same
Modbus Bridge instance will handle
two or three serial ports, that is the
Modbus RTU requests will be
simultaneously sent to the serial
ports.
COM1: 501
COM2: 502
COM4: 503
Response Wait Time
Timeout on the reception of the
Modbus RTU responses.
The value is in milliseconds; possible
values are in the range [10 - 10000].
1000
The following screen-shots give some examples of Modbus Bridge configurations.
