Automatic Device Recovery Section 6 Linking Device LD 800DN
210 9ARD000014-600 A
Automatic Device Recovery
The Automatic Device Recovery (ADR) is introduced in Automatic Device
Recovery on page 44.
The ADR feature consists of Address Recovery and Configuration Recovery.
Address Recovery
The Address Recovery is enabled when the Automatic Device Recovery (ADR)
parameter of the Linking Device is enabled. By disabling ADR, it also disables
Address Recovery.
The LD 800DN executes the following steps to perform an address recovery:
1. On detecting the loss of a slave, LD 800DN
begins to monitor MAC ID 63 for
an identical device. Add an identical device to the network at MAC ID 63 as
required.
2. The LD 800DN then verifies whether the ne
wly added device is exactly the
same kind as the lost slave device. This depends on the electronic key setting of
the device.
3. Upon successful verification, LD 800DN change
s the MAC ID of the new
device from 63 to that of the lost slave device.
If a slave device has a switch to change its node address, then Address Recovery
may not work. In this case, ensure that the switch is set to that of the lost slave
device.
If two devices of the same type are replaced simultaneously, the LD 800DN
disables the Address Recovery feature. In this case, ensure that the new devices
have the same addresses as the corresponding earlier devices.
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