Key lock

How can the key lock on the pump be activated?

1. Back button and Context button
2. Activate/deactivate: Press both keys at the same time (< 5 s)
2. Setting via the menu
3. Menu → Settings → Device settings → Key lock On
3. Binary input
4. The pump can be switched with the “External key lock” function via external potential-free contacts (relay or switch) at the digital inputs DI1 (terminals 31 and 33) or DI2 (terminals 41 and 43).

• Contact open: Key lock is deactivated.
• Contact closed: Key lock is activated.

Menu → Settings → External interfaces → Function control input (DI1) or function control input (DI2) → External key lock

NOTICE

Prevent unauthorised adjustment of the pump with the key lock via the binary input. Instead of a relay or switch, depending on assignment, a jumper wire can also be connected to terminals “33 and 31” or “43 and 41”.