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GFA TS 971 - Page 35

GFA TS 971
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Slack-rope/pass-door
If the switch is open-circuit when a movement command is given, fault F1.2 is displayed. If
activated during the door movement, the door is immediately stopped and fault F1.2 is
displayed.
Pass-door switch: Entry sense
The switch, which has been tested to performance level c (plc) in accordance with EN 13849-
1, is monitored by the door control. If the switch is open-circuit when a movement command
is given, fault F1.2 is displayed. If activated during the door movement, the door is
immediately stopped and fault F1.2 is displayed.
The magnetic contacts in the switch are switched by a permanent magnet. The door control
assesses the switching status of the contacts independently of each other.
The F1.7 fault indication appears if there is a fault.
Crash switch as NC or NO contact
The crash switch is activated if the door is pushed out of the guides.
If the switching contact is activated, the door is stopped, fault F4.5 is displayed, and a
changeover to "hold-to-run" is carried out. The door can be moved only via the integrated
push-buttons of the door control. Hold-to-run mode is only possible at crawling speed with
frequency inverter operation.
The fault "4.5" can only be reset in OPEN final limit position by pressing the STOP push-
button of the door control for more than 3 seconds or by switching the mains voltage off and
on. Fault "F4.5" will recur, if the switching contact continues to be activated.
With the reversing function, a reset is carried out automatically in the OPEN final limit position
as soon as the switching contact is closed. Otherwise only hold-to-run mode is possible.

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