Siemens inverter repair

2018-06-02
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Problems with S120 zero return

2018-02-06
Said that the first time you need to debug and adjust the position when you power on is based on the theory of electrical theory, because the absolute encoder data is maintained w ...

Can the G120 CU240E-2 analog output be a voltage?

2017-08-21
Description: Sets the type of analog output.P0776[x] = 1 corresponds to the voltage output (p0774, p0778, p0780 are displayed in V units).P0776[x] = 0, 2 corresponds to the curren ...

G120 control unit and power unit

2017-05-25
G120 inverter is Siemens' new modular inverter. The control unit and power unit are the main parts to form a complete inverter. When selecting the motor, the same type of control ...

G120 frequency converter reported F07901 fault reason and treatment

2016-11-03
The meaning of F07901 is that the speed of the motor driven by the inverter is too fast.2 Failure time confirmation   2.1 parameter settings           • The maximum allowable posi ...

Siemens inverter M440 positive and negative rotation

2016-11-03
In the default setting, the function of controlling the motor with BOP is forbidden. If you want to use BOP for control, parametersP0700 should be set to 1 and parameter P1000 sho ...

Questions about Siemens MM440&430 analog signal input query?

2016-11-03
The frequency of analog control is wrong. Please check it carefully according to the following method.1. The landlord needs to pay special attention to the analog input (voltage o ...

G120 frequency converter reported F30002 fault

2016-11-03
F30002: DC bus overvoltage means the DC bus voltage of the inverter exceeds the overvoltage threshold.Common causes of failure1. The power supply voltage is too highPower fluctuat ...

Can MM430 connect braking resistor?

2016-11-03
1. For MM430 inverters with dimensions C to F, the DC terminal block is for testing purposes only. It does not allow the user to perform operation control here. Also, it is not al ...

MM440 highest frequency problem

2016-11-03
1. It is necessary to pay special attention to the analog input (voltage or current signal). It is not enough to modify the P756. The DIP switch on the terminal board must be set ...

Problems with the Basic Positioning Function of the S120

2016-11-03
1. If you do not need to control OFF2/3, set it directly.2. You can select a PZD corresponding bit from the PLC in P2650.Siemens inverter repairSiemens inverter repair centerSIEME ...

MM440 how to set the three speed and the acceleration and deceleration time is different?

2016-11-03
The acceleration and deceleration time are different, that is, the ramp-up and fall-time parameters P1120 and P1121 are different. P1120 and P1121 themselves belong to the drive d ...

6RA70 reported F038 fault, DC voltage reduced from 570V to 280V how to solve ah?

2016-11-03
Can try to increase P225. In addition, you belong to that 6RA70 when the power is used, you can change the 7th parameter to 0 in P820, P821, and block out F038.Siemens inverter re ...

6RA7018 Unsteady motor speed at no load, large fluctuations in no-load current

2016-11-03
Check first, when it is empty, is the given speed fluctuation great?The purpose of this is to distinguish between a given speed fluctuation or a poor control of the device itself? ...

DC speed regulator 6RA70 reported fault F048

2016-11-03
1, F048 this fault is likely to be due to interference caused by false positives, I have encountered this situation.I suggest you check it out:1) whether the encoder signal cable ...

G120 frequency converter reported fault F1910

2016-11-03
A1920 and F1910 are all communication failures.A1920 and F1910 are faults or alarms caused by the communication master station.A1920: indicates that the PROFIBUS communication fro ...

P120 of G120 cannot be set to 20

2016-11-03
P1300 parameter can be modified in C(1), T state, ie P10=1, or T: Ready to run pulse is not enabled and state "C(1)" is inactive. .After setting P1300=20, P1900 is automatically s ...

G120 inverter operating panel can display Chinese?

2016-11-03
Basic operation panel BOP-2 panel cannot display Chinese, while intelligent and handheld IOP can display Chinese.Siemens inverter repairSiemens inverter repair centerSIEMENS/Sieme ...

G120 reported failure of F1910 communication message, how to shield this fault?

2016-11-03
1. Is there any looseness of the DP connector wiring and is the DP cable shield grounded?2, with or without line reactors, filters?3. Are shielded cables or shielded 3+3 cables us ...

Can a single V20 drive have multiple motors? Which parameters need to be set?

The multi-pump control function based on the PID control system allows the drive to control up to 2 additional pumps or fans. The entire system consists of a pump controlled by a ...