Chapter 8 Operating Instructions
V200/V300
48 © SICK AG • Industrial Safety Systems • Germany • All rights reserved 8012227/YT87/2016-03-29
Subject to change without notice
Configuration
8.4 Locking the internal teach-in key
In the default delivery status the internal teach-in key is unlocked, i.e. it can be used. To
permit remote teach-in and/or to protect the configuration, you can connect an external
key-operated pushbutton for teach-in and lock the internal teach-in key.
How to lock the internal teach-in key:
⋅ Connect an external key-operated pushbutton for teach-In (see section 5.3 on page 33).
⋅ Switch on the V200/V300.
⋅ Perform a teach-in procedure using the key-operated pushbutton for teach-in.
The V200/V300 locks the internal teach-in key and saves this configuration in the
device. Teach-in can now only be performed using the key-operated pushbutton for
teach-in.
⋅ Check the effectiveness of the protective device as described in section 7.1 “Test
notes” on page 42.
How to unlock the internal teach-in key:
⋅ Switch on the V200/V300.
⋅ Press the key-operated pushbutton for teach-in for at least 60 seconds.
The V200/V300 unlocks the internal teach-in key and saves this configuration in the
device.
⋅ If you no longer need the key-operated pushbutton for teach-in, remove it from the
electrical installation. Otherwise the V200/V300 will again lock the internal teach-in key
the next time the key-operated pushbutton for teach-in is actuated.
⋅ Check the effectiveness of the protective device as described in section 7.1 “Test
notes” on page 42.
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