Elektro-Automatik ELR 9000 Betriebsanleitung Seite 172

ELR 9000 Series
► How to connect the master-slave bus
1.
Switch off all units that are to be connected and connect them together with a network cable (CAT3 or bet-
ter, not included). It doesn't matter which of the two master-slave connection sockets (RJ45, backside) is
connected to the next unit.
2.
Also connect all units at the DC side.
3.
The two units at the beginning and end of the chain should be terminated, if long connection cables are
used. This is achieved using a 3-pole DIP switch which is positioned on the back side of the unit next to the
MS connectors.
Now the master-slave system must be configured on each unit. It is recommended to configure first all the slave
units and then the master unit.
► Step 1: Configuring all slave units
1.
Enter then GENERAL SETTINGS and press
2.
Activate the MS mode with touch area
knowledged with OK, otherwise the change will be reverted.
3.
Set the address of the slave between 1 and 15 with the left-hand rotary knob. Ensure that no address is
allocated twice.
4.
Accept the settings with the touch area
The slave is then configured for master-slave. Repeat the procedure for all other slave units.
► Step 2: Configuring the master unit
1.
Enter then GENERAL SETTINGS and press
2.
Specify the unit as master with tough area
acknowledged with OK, otherwise the change will be reverted.
3.
Accept the settings with the touch area
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