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Emergency control / Zeroing
Emergency control (only synchronous group)
BSY+ synchronous control regulates and monitors the difference in position between the drives (max. 30
mm). In the event of an error, all drives are stopped. Before the decision is made to run the drives in
auxiliary mode, the cabling should be checked. A short circuit, a reversed phase sequence or an
interruption of the bus line will cause the drives to stop or not start up.
When running the drives in auxiliary mode, only the drive in the synchronous group to which the magnet
is held is driven. The running direction is determined by the activation direction.
Danger!
Operating voltage 230 V AC! Risk of injury from electric shock!
Do not reverse L+N! Connect PE! The BSY+ bus also operates with 230V!
Strain on glass can cause the glass to break.
Cordon off the danger area.
Take personal safety precautions.
A second person must be able to interrupt the drive voltage at any time.
OPEN –
emergency control
230 V AC
CLOSE –
emergency control
230 V AC
Zeroing
If repeat zeroing of a drive is necessary for installation reasons (chain is driven out > 23 mm in closed
position) or for servicing:
Travel the drive to closed position. Wait until the drive has driven completely closed.
Perform zeroing on the drive using the MAG 502 magnet. The magnet gives the drive a second CLOSE
command and performs zeroing in the event of an overload cut-off. This is confirmed by the drive quietly
humming. Each drive of the set must be individually zeroed in a synchronous group.
CDP-TW-K-BSY+
BK (Lr)
+
BU (N)
+
BN (Ls)
BU (N)
1
Klick... Klick
m m
MAG 502
8 7
~ 2
m m
8 7
~ 2
2
MAG 502
~
2 0
m m
Klick... Klick
2
=
=
3
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