Replace Axis Motors

Description: This document explains the procedure for calibrating data after replacement of a feed motor.

Particularities: Due to the use of Drive Cliq in the drive technology, it is no longer sufficient to only set the reference point of the motor. All Drive Cliq components have a so-called electronic nameplate that transmits information such as serial number and motor or encoder data automatically to the system. Because the replacement of a Drive Cliq component also causes a new checksum in Safety Integrated, these must be checked and, where necessary, modified (copied).

Exception: Replacing an incremental motor is not explained here, as this requires no data adjustments. When an incremental motor is replaced, it is important to ensure only the same Siemens order number so that the assembly can be transferred to the reference topology!

To automatically add the new component to the target topology:

The control is able to change replaced components without reducing the comparison level. However, the order number of the replaced components must be identical. Several components can be replaced at the same time. It must be ensured that the value 1 is entered into machine datum p9909 in every control (NCU, NX). The serial number for the new component is then transferred to the reference topology and the comparison level can remain at high. Assemblies can be interchanged (replacing power sections for troubleshooting) only if the comparison level is set to medium (P 9906 = 1).

Firmware: If a firmware calibration is currently being applied to the replaced component (can be seen in a related window), please wait before switching off, as otherwise communication problems with the new sub-assembly may occur.

Confirm SI Data After mechanically replacing the motor, all Safety Integrated checksums must first be adjusted. There is a softkey for confirming recently installed hardware. This softkey is located under [Menu Select] [Diagnostics] [Alarms] and is called [Confirm SI HW]. The softkey appears only if differences in the machine's checksums are detected. Pressing the softkey automatically modifies the checksums. The errors relating to new hardware must be deleted by switching the machine on and off.

Checksums: The following checksums are affected when replacing hardware:

36998[0](1st CURRENT checksum) 36999[0](TARGET checksum)

36998[1](2nd CURRENT checksum) 36999[1](TARGET checksum)

36998[2](3rd CURRENT checksum) 36999[2](TARGET checksum)

Setting the reference point: See also the description of measuring system calibration.

NOTE:
Once all data have been calibrated, do not forget to create a series commissioning procedure (for NC and drives) and note down the altered checksums from the relevant machine data in the Acceptance Report.