Services
Modbus gateway
LR54 User Guide
671
n
If
connection_type
is set to
serial
:
i. Set the serial port:
i. Use the
?
to determine available serial ports:
(config service modbus_gateway client test_modbus_
client)> ... serial port ?
Serial
Additional Configuration
-------------------------------------------------------
------------------------
port1
Port 1
(config service modbus_gateway client test_modbus_
client)>
ii. Set the port:
(config service modbus_gateway client test_modbus_
client)> serial
port
(config service modbus_gateway client test_modbus_
client)>
ii. Set the packet mode:
(config service modbus_gateway client test_modbus_client)>
serial packet_mode
value
(config service modbus_gateway client test_modbus_client)>
where
value
is either
rtu
or
ascii
. The default is
rtu
.
iii. Set the maximum allowable time between bytes in a packet:
(config service modbus_gateway client test_modbus_client)>
serial idle_gap
value
(config service modbus_gateway client test_modbus_client)>
where
value
is any number between 10 milliseconds and one second, and take
the format
number
{ms|s}
.
For example, to set idle_gap to one second, enter
1000ms
or
1s
.
iv. (Optional) Enable half-duplex (two wire) mode:
(config service modbus_gateway client test_modbus_client)>
serial half_duplex true
(config service modbus_gateway client test_modbus_client)>
d. (Optional) Enable the gateway to send broadcast messages to this client:
