Translation of the original instructions
1 Further applicable documents
All available documents for the product www.festo.com/pk.è
2.1 General safety informations
– Observe labelling on the product.
– Prior to mounting, installation and maintenance work: Switch off power supply
and secure it from being switched back on.
– Store the product in a cool, dry, UV-protected and corrosion-protected environ-
ment. Ensure that storage times are kept to a minimum.
– Comply with the handling specifications for electrostatically sensitive devices.
– Observe tightening torques. Unless otherwise specified, the tolerance is
The EFSD electric stopper cylinder is intended for use in stopping the transported
This product can generate high frequency interference, which may make it neces-
sary to implement interference suppression measures in residential areas.
2.3 Training of specialised personnel
Installation, commissioning, maintenance and disassembly should only be con-
ducted by qualified personnel.
The qualified personnel must be familiar with installation of electrical control sys-
– Accessories www.festo.com/catalogue.è
– Spare parts www.festo.com/spareparts.è
Contact your regional Festo contact person if you have technical questions
The electric stopper cylinder isolates/stops transported material in transfer sys-
tems. Cushioning over a stop is done through an air cushion. Retraction of the
stop (release of transported material) and the position inquiry are done electric-
Stopper cylinder closed in initial position (closed):
Stop is extended and located in the initial position. The stopper cylinder is
ready to stop a transported material.
Stopper cylinder closed in stop position (closed):
The stopper cylinder travels to the stop and moves the stop from the initial pos-
ition into the stop position. This causes the transported material to be braked
and then stopped through internal dampening.
Stopper cylinder opened (open):
Stop retracts and releases the transported material.
Electrical connection (actuator),
Electrical connection (sensor), M12
LED display (power): operating
LED display (open): stop retracted
LED display (closed): stop exten-
– Do not modify the screws and threaded pins. Exception: Immediate demand for
modification in this instruction manual.
– Install product without tension or distortion. Evenness of the mounting surface
must be maintained within 0.1mm.
