How to setup a PTC alarm without tripping the ATV61 drive?

Issue:
PTC alarm installation


Resolution:
PTC warning can be indicated via a relay output assigned to an Alarm Group.
Example for SW2 switch set to PTC, PTC connected to LI6, R2 indication, Alarm Group 1:

1.8 Fault Management
-> PTC Management - activates the PTC monitoring
-> LI6 = PTC Probe [PTCL] = Always

->Motor Thermal Prot - Inactivates the VFD internal I2T overload protection
->Overload Fault Mgt [OLL] = Ignore

1.5 Inputs/Outputs CFG
-> R2 Configuration - assign relay R2
->R2 Assignment [R2] = Alarm Grp1

-> Alarm Grp1 Definition - activate PTC alarm for the warning group
-> LI6 = PTC Alarm [PLA] = ON

Important note:  When Overload Fault Mgt [OLL] = Ignore, the motor thermal protection by calculating the I2t is inactive.  The drive will not provide motor overload protection based on motor current.  Both functions can work at the same time by keeping Overload Fault Mgt [OLL] = Freewheel

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