4
Automatic closing sequence control
For bi-parting installations, the closing sequence control determines the order in which the door
leaves are opened and closed. For the opening procedure, the earlier leaf (Master leaf) is the first
one to be opened, whereas for the closing procedure the delayed door leaf (Slave leaf) is the first
one to be closed. This sequence ensures a correct overlapping of the door leaves.
Connections:
Opening elements (KE, OEO and OEI) connected to Master only act upon the Master (single leaf
operation). Opening elements connected to Slave act upon the Master as well as on the Slave (bi-
parting operation).
The safety elements (SER and SES) are connected to the respective drive unit and are responsible for
the respective door leaf.
An active EMCY element connected to the Master carries out the EMY-IN action configured on the
Master (for both door leaves). An active EMCY element connected to the Slave switches the
installation to operating mode MANUAL.
An electric lock, which locks the Master leaf, is connected to the Master. Accordingly, an electric
lock, which locks the Slave leaf, is connected on the Slave.
Parameter:
See chapter 7
