Replace Axis Motor Encoder

Drive Cliq SMI Replacement - DQI

Description: The document explains the procedure for replacing a DQI Module. DQI (SMI incl. motor encoder)

Please Note: To replace the electronic system, always turn off the main switch completely!

Precondition: To be able to replace a faulty SMI, the data from the SMI (information about the connected motor) must first be backed up. This must of course be done while the SMI is still intact. It is also possible to obtain the SMI data as a file.

A mandatory model (to match the motor) can be ordered as a spare part.

Data Backup: Using [Startup] [Masch.Daten] [Control Unit Parameter], the data of all SMIs that exist on the system can be backed up (P4692=1). You need to repeat the procedure shown in the chart for each control unit (NCU, NX1, NX2, etc.).

An error message is displayed after saving the SMI data for an NX - this can be ignored.

Please complete the backup in the same way even if defective encoders are connected!!!

Storage location of the SMI component data on the CF card:

NCU(3.3:1) - SMIs: [System Data] System CF card  user  sinamics  data  smi_data  c0XX

NX (3.15:1) - SMIs: [System data] System CF card  user  sinamics  data  15  smi_data  c0XX

NX (3.14:1) - SMIs: [System data] System CF card  user  sinamics  data  14  smi_data  c0XX

"c0XX" stands for the respective SMI topology number!

Deployed DQI Encoder Types:

AS24 DQI - Absolute Single Turn 24-bit

AM24 DQI - Absolute Multi Turn 24-bit

Please Note: All deployed DQI motor encoders are absolute even if they are set to incremental in the axis configuration!

  1. Serial number of the motor
  2. Order number of the motor (article number)

For motors with a DQI module, the encoder data are hard coded in the encoder module.

The electronic type plate only consists of one file with the motor data dqixe1.bin

Replacing a Defective Motor Encoder

  • Backup the SMI data
  • Locate the defective motor encoder and note the topology number
  • Switch off the machine
  • Replace the defective motor encoder with the new motor encoder
  • Switch on the machine
  • Check the stored SMI data for the motor encoder with the problem
    • e.g., [System data] System CF card  user  sinamics  data  smi_data  c0XX
  • If the folder contains a dqixe1.bin file, you can upload it directly to the encoder module
  • Switch the machine off/on
  • Depending on the axle type, the motor encoder must be integrated with the Drive_Cliq system, as described in S-ERA 30
  • If the folder does not contain a dqixe1.bin file, you need to copy the file from the location link below to a USB stick:
  • You can then load the data set for the motor
  • Switch the machine off/on
  • Depending on the axle type, the motor encoder must be integrated with the Drive_Cliq system, as described in S-ERA 30
Replace Encoder Siemens DQI Motor Procedure