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• It takes about 4 seconds to set the parameters of a slave device to the non-volatile storage of
the DN211.
• While slave device parameters are being set, the local node address is blinking on the 7-
segment LED.
CAUTION
1. The parameter setting request (slave device) sets the parameters of slave devices on to the
non-volatile memory in the DN211. As long as the slave devices configuration is unchanged,
you don’t need to execute this request every time when the power is switched ON. In
addition, when the parameters of the slave device requested and the parameters of the slave
device in the non-volatile memory are same, this setting request is not executed.
2. When the slave devices configuration needs to be changed, delete the salve devices
parameters using a reset request before setting new slave devices parameters.
3. The number of times available for setting slave devices parameters in the non-volatile memory
of the DN211 is 300 times.
4. The DN211 has the following restriction for transmitting "0 byte" to a slave device from the
DN211.
• When a slave device comes into no communication state with the DN211 due to some
reason (for example, the power of the slave device is OFF; the connector is disconnected,
etc.), the DN211 cannot recognize the slave device is abnormal.
Even after the cause of the failed communications is solved, the DN211 and the slave
device cannot communicate with each other.
Note: The above restriction of the present DN211 will be solved by a version-up of the internal
software.