3. Installation
3-18
Festo P.BE-SPC11-SYS-ASI -EN en 0203NH
The emergency stop circuit shown in the previous diagram
enables various possibilities in the event of an emergency
stop. The reaction of the drive depends on whether you close
connection 3 of the switching valves 1.2 and 1.3, or whether
you connect compressed air or a restrictor valve with silencer.
Reaction of the drive
Connection 3 of va lve 1.2 Connection 3 of valve 1.3
Drive pressureless Connect restrictor valve with
silencer
1)
Connect restrictor valve with
silencer
1)
Moveable mass clamped firmly Close with blind plug Close with bl ind plug
Right-hand end position Connect compressed air Connect restrictor valve with
silencer
Left-hand end position Connect restrictor valve with
silencer
Connect compressed air
1)
Restrictor valves reduce impact forces in the event of failure o f an emergency stop valve.
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