Siemens SINAMICS G120C DP User Manual

Protecting the converter settings
7
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 󹪝eldbus
No password is required for write protection.
Activate and deactivate write protection
Parameter 
r7760 Write protection/know-how protection status
.00 1 signal: Write protection active
p7761 Write protection (factory setting: 0)
0: Deactivate write protection
1: Activate write protection
Parameter
Table 7-1 Parameters that can be changed with active write protection
Number Name
p0003 Access level / Acc_level
p0010 Drive commissioning parameter 󹪝lter / Drv comm par_󹪝lt
p0124[0...n] CU detection using LED / CU detect LED
p0970 Reset drive parameters / Drive par reset
p0971 Save parameters / Sav par
p0972 Drive unit reset / Drv_unit reset
p2111 Alarm counter / Alarm counter
p3950 Service parameter / Serv par
p3981 Acknowledge drive object faults / Ackn DO faults
p3985 Master control mode selection / PcCtrl mode select
p7761 Write protection / Write protection
p8805 Identi󹪝cation and Maintenance 4 Con󹪝guration / I&M 4 Con󹪝g
SINAMICS G120C Converters
Operating Instructions, 02/2023, FW V4.7 SP14, A5E34263257B AK 175

Siemens SINAMICS G120C DP Specifications

General

Protection Rating	IP20
Frequency Range	0 to 650 Hz
Control Modes	V/f, sensorless vector control
Communication Interfaces	PROFIBUS DP
Ambient Temperature	-10 to +50 °C (without derating), -10 to +60 °C (with derating)
Overload Capacity	150 % rated current for 60 s, 200 % rated current for 3 s
Storage Temperature	-40 to +70 °C
Relative Humidity	5% to 95% (non-condensing)
Voltage Range	200 V to 240 V (±10%), 380 V to 480 V (±10%)
Output Voltage	0 V to Supply Voltage