Siemens SINAMICS S120 Function Manual page 589

Drive functions

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System power-up and drive activation after changing or replacing hardware and/or software

After hardware and/or software components have been modified or replaced, it is only

permissible for the system to run up and the drives to be activated with the protective

devices closed. Personnel shall not be present within the danger zone.

It may be necessary to carry out a partial or complete acceptance test or a simplified

functional test (see Section "Acceptance test") after having made certain changes or

replacements.

Before personnel may re-enter the hazardous area, the drives should be tested to ensure

that they exhibit stable control behavior by briefly moving them in both the plus and minus

directions (+/–).

Please note the following during switch-on:

The Safety Integrated functions are only available and can only be selected after the

system has completely powered up.

Drive coasts down with STO or STOP A

The category 0 stop function in accordance with EN 60204-1 (STO or STOP A to Safety

Integrated) means that the drives are not decelerated but instead coast to standstill (the

time required to coast to standstill depends on the kinetic energy). This has to be

incorporated in the protective door interlocking logic. For Safety without encoder, you need

to use other measures to ensure that the protective door remains locked until the drive has

come to a standstill.

No detection of parameter assignment errors by Safety Integrated functions

Safety Integrated functions cannot detect parameterization errors made by the machine

manufacturer. The required level of safety can only be assured by careful acceptance

Different responses of the Safety Integrated functions when replacing a Motor Module or a

Motor Modules or the motor must be replaced with a device of the same type, as the

parameter settings will otherwise lead to an incorrect response of the Safety Integrated

functions. The corresponding drive must be re-calibrated after an encoder is replaced.

Drive functions

Function Manual, (FH1), 04/2014, 6SL3097-4AB00-0BP4

Safety Integrated basic functions

10.3 Safety instructions

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