Assembly
10.00 | SWS 005 – 300 | Assembly and Operating Manual | en | 389456
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5.8 Sensors - Piston Stroke Control
SWS Tool Changers provide Lock and Unlock sensing to detect
when the locking mechanism is in the Locked or Unlocked position
and send a signal to the controller.
Many Standard Series Tool Changer models such as the
SWS-011/020/021/040/041/ 060/071/100/150/300 can be
equipped with Lock and Unlock sensing using a Piston Stroke
Control (SIP) that attaches to the SWK. The SIP consists of Lock and
Unlock sensors, detection shaft, SIP-plate.
Some Tool Changer models are equipped with integrated Lock and
Unlock sensing built into the Tool Changer body, like
SWS-007/040Q/046/076/110/160.
If sensors are not used, plugs will be provided to seal the locking
mechanism.
5.8.1 Piston Stroke Control of the piston with SIP-plate
NOTE
For sizes 011, 020, 021, 040, 041, 60, 71, 100, 150, 300, the piston
stroke control is realized by a query plate (SIP plate) to be
mounted on the SWK.
The piston stroke control system for the SWS utilizes 3-wire
proximity switches (PNP). Following Figures show the position of
the locking mechanism piston and Detection Shaft relative to the
proximity switches for various conditions.
These signals will indicate two possible conditions for the SWK:
Unlocked or Locked. The SIP system utilizes switches to detect the
position of the pneumatically-actuated piston in the SWK. These
switches are available in various configurations (PNP, NPN)
depending on customer requirements, Quick-Change model, and
sensor availability.
Unlock Sensor
Lock Sensor
On
Off
SWK in the unlocked position. The unlock sensor is activated by
the detection shaft.
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