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122 Chapter 2 Command Descriptions
table=1..8 (applies to master only)
Defines which table is used to route messages to their destination.
This option applies only to master-attached devices.
protocol={modbusrtu|modbusascii}
The protocol being used by the serial device. The serial protocol also
affects the implied incoming network master on TCP and UDP ports
2101.
modbusrtu
Modbus/RTU – 8-bit binary per www.modbus-ida.org specification.
modbusasscii
Modbus/ASCII – 7-bit ASCII per www.modbus-ida.org
specification.
messagetimeout=100-99999 ms (applies to master only)
When messages are received from remote clients, this option defines
the time to allow the message to be answered. This includes both the
queuing and slave response delays, and this should be set to slightly
less than the timeout of the remote client. After this time, the Digi
device assumes the remote client no longer wants a response. The
range is 100 to 99999 milliseconds. The default is 2500 milliseconds.
slavetimeout=10-99999 ms (applies to slave only)
After all bytes of the message have been sent to the slave device, this
is the time to wait for the first byte of a response. Note that the serial
shift times are not included within this timeout. The range is 10 to
99999 milliseconds. The default is 1000 milliseconds.
chartimeout=3-99999 ms (applies to master or slave)
After a first byte is received, this is the time to wait for additional bytes
to either consider the message complete or to be aborted. The default
is protocol-specific, but usually 50 milliseconds.
idletimeout={0=disabled|1-99000 seconds}
The device aborts a connection on the implied incoming master
sockets after the remote client has been idle for this time. The time is
saved in seconds, and the best use for this timeout is to speed up fault
recovery. For example, many wide-area networks can suffer
shutdowns without the Digi device detecting it. Using the idle timeout
speeds up detection of lost TCP connections. The range is 1 to 99999
seconds. The default is 5 minutes.