Open And Closed Position Via Torque And Limit Switches - ABB UMC100.3 Manual

U M C 1 0 0 . 3 U N I V E R S A L M O T O R C O N T R O L L E R T E C H N I C A L D E S C R I P T I O N
88
Actuator 2

Open and Closed position via torque and limit switches

Limit switches
24V DI0
Open
*) Start is only possible in the opposite direction after resetting the fault. The
torque signal has to disappear within 0.5 s otherwise a fault is generated again.
Actuator 3
Open position via limit switch only, Closed position via torque
and limit switches
Limit switches
DI0 DI1
24V
Open Closed
Torque
DI1 DI3
Open,
Closed
Closed
Torque
DI3
Open,
Closed
DI0: Preparation for Open limit motor off
DI1: Preparation for Closed limit motor off
DI3: • Motor off, start only in opposite direction
• Fault if not prepared*
Remark
• The limit switches Open or Closed prepare the stop. Torque
Open or Closed stops the motor. Starting is only possible in
the opposite direction.
• The single torque signals in the telegram - torque Open or
torque Closed - are calculated based on the direction of move-
ment before the stop.
• If after powering up a torque signal is detected and neither an
Open nor a Closed limit is present it is presumed that the
torque occurred during closing. The start is possible only af-
ter fault acknowledgement and only in the opposite direction.
DI0: Motor off, start only in Closed direction
DI1: Preparation for Closed limit off
DI3: • Motor off if prepared for Closed limit motor off, start
onlyin Open direction
• Fault if not prepared*
Remark
• The limit switch Open prepares the stop. Torque Open stops
the motor. Starting is only possible in the opposite direction
• The single torque signals in the telegram - torque open or
torque closed - are calculated based on the direction of move-
ment before the stop.