Rockwell Automation SP200 AC Drive Remote Keypad M/N S20-RK1 - Manual (Page 23)

Installing the Remote Keypad 2-5
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2.4 Disconnecting the Cable from the
Drive and Keypad
The 3-meter and 5-meter connector cables have a locking
mechanism to ensure that the cable will not be disconnected
accidentally. To remove the connector from the drive or the
Remote Keypad, pull back on the plastic housing of the cable
connector.