Configuration of bus termination resistors
Microswitch 2 position
Switch A
OFF
Switch B1
ON
Switch B2
OFF
Switch Bn
ON
Where Bn corresponds to the Nayar Switch placed at the last lift car of the installation (it is not
recommended to connect more than 8 lift cars). Therefore, the Nayar Switch whose microswitch 2 must
be at
ON
position are those corresponding to the first and last lift car. Hereinafter, two examples of how
microswitch 2 should be configured at an installation with three and four cabins are shown:
Three lift cars
Microswitch 2 position
Switch A
OFF
Switch B1
ON
Switch B2
OFF
Switch B3
ON
Four lift cars
Nayar Systems
Switch - 1_en
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