Search SINAMICS G120 parameter, read-only monitor, warning and fault codes such as p0304, p0305, p1000, p1120, F30001 and F30002.
⚠️ Practical note: Siemens uses p-parameters for writeable settings and r-parameters for read-only display values. This page is a technician-friendly lookup based on the SINAMICS G120 CU230P-2 parameter manual. Always verify the exact drive model, firmware and safety condition before editing a live drive.
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Most useful SINAMICS startup parameters
For basic motor commissioning, first check the motor nameplate and command/reference source. The most searched and most practical parameters are usually:
p0304 rated motor voltage
p0305 rated motor current
p0307 rated motor power
p0310 rated motor frequency
p0311 rated motor speed
p0700 command source and p1000 frequency setpoint source
p1120 ramp-up and p1121 ramp-down time
Siemens p-parameters vs r-parameters
p-parameters are settings that can normally be changed, depending on access level and drive state. r-parameters are read-only values used for diagnostics, such as actual current, output frequency, DC link voltage, status word and missing enable signals.
What is a SINAMICS parameter code?
A SINAMICS parameter code is a number used by Siemens drives to identify settings and diagnostics. For example, p0305 is rated motor current, while r0068 is actual current display.
Why the same setting has different codes in different VFD brands
The idea is common across brands, but the code is brand-specific. Schneider Altivar uses short text codes like nCr and UnS, ABB uses group numbers like 99.06, while Siemens SINAMICS uses p and r numbers.
❓ Frequently Asked Questions
p0305 is the rated motor current. Enter the motor nameplate current, not the running current you see on the display.
p1000 selects the main frequency or speed setpoint source. Check this if the drive starts but does not follow the expected speed reference.
F30001 is power unit overcurrent. Check motor data, motor/cable short circuit, ground fault, ramp-up time, current limit and phase supply before resetting again.
p0305 is the motor rated current setting from the nameplate. r0068 is the actual current diagnostic value measured/used by the drive.
Check r0002 for operating display and r0046 for missing enable signals. Common causes are OFF1/OFF2/OFF3, missing operation enable, active fault, STO or commissioning mode.