Protecting the converter settings
7.1
Write protection
Overview
The write protection prevents unauthorized changing of the converter settings.
Function description
Write protection is applicable for all user interfaces:
• Commissioning tool, e.g. operator panel or PC
• Parameter changes via fieldbus
No password is required for write protection.
Activate and deactivate write protection
Parameter
r7760
p7761
Parameter
Table 7-1
Number
p0003
p0010
p0124[0...n]
p0970
p0971
p0972
p2111
p3950
p3981
p3985
p7761
p8805
SINAMICS G120C Converters
Operating Instructions, 02/2023, FW V4.7 SP14, A5E34263257B AK
Write protection/know-how protection status
.00
1 signal: Write protection active
Write protection (factory setting: 0)
0:
Deactivate write protection
1:
Activate write protection
Parameters that can be changed with active write protection
Name
Access level / Acc_level
Drive commissioning parameter filter / Drv comm par_filt
CU detection using LED / CU detect LED
Reset drive parameters / Drive par reset
Save parameters / Sav par
Drive unit reset / Drv_unit reset
Alarm counter / Alarm counter
Service parameter / Serv par
Acknowledge drive object faults / Ackn DO faults
Master control mode selection / PcCtrl mode select
Write protection / Write protection
Identification and Maintenance 4 Configuration / I&M 4 Config
7
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