IAI America RCLE-GR5L - Manual (Page 28)

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8. Operation
This gripper opens the chuck when the power is ON and closes it with the springs when the power
is turned OFF.
Chuck Close Open Close Open Close Open Close
ON ON ON
Power supply
OFF OFF OFF OFF
Opening the chuck just before holding the work shortens the time that the power is conducted, thus
enables to save the power consumption.
It also prevents the product temperature to rise.
Chuck Close Open Close (Hold) Open Close Open Close (Hold) Open
ON ON ON ON
Power supply
OFF OFF OFF OFF