Siemens SINAMICS SM150 Operating Instructions Manual page 8

Table of contents
8.5.2.4 Digital outputs ......................................................................................................................105
8.5.3 Monitoring functions and protective functions ......................................................................105
8.5.3.1 Insulation monitoring ............................................................................................................106
8.5.3.2 Tripping of the circuit-breaker in case of undervoltage ........................................................107
8.5.3.3 DC-link short-circuiter...........................................................................................................107
8.5.3.4 Protection responses in an emergency................................................................................108
8.5.3.5 Vdc-max closed-loop control................................................................................................108
8.5.3.6 Speed monitoring with incremental encoder ........................................................................110
8.5.3.7 Controlled stop, EMERGENCY STOP category 1 ...............................................................111
8.6 Fault and system messages ................................................................................................111
8.6.1 External alarms and faults....................................................................................................111
8.6.2 Message from the grounding switch ....................................................................................111
8.6.3 Diagnosis .............................................................................................................................112
8.6.3.1 Indicating and rectifying faults..............................................................................................112
8.6.3.2 Diagnostics via LEDs ...........................................................................................................113
8.6.3.3 Diagnostics via parameters..................................................................................................113
9 Maintenance .............................................................................................................................................121
9.1 Safety instructions for maintenance .....................................................................................121
9.2 Grounding the system ..........................................................................................................123
9.2.1 Grounding with a grounding device......................................................................................123
9.2.2 Grounding using a make-proof grounding switch.................................................................125
9.3 Opening the doors................................................................................................................126
9.3.1 Opening the power unit doors for maintenance work...........................................................126
9.3.2 Manually unlocking power unit doors ...................................................................................127
9.4 Inspection and maintenance ................................................................................................128
9.4.1 Inspection.............................................................................................................................128
9.4.2 Checklist...............................................................................................................................128
9.4.3 Cleaning ...............................................................................................................................129
9.4.3.1 Cleaning aluminum parts .....................................................................................................129
9.4.4 Visual inspections ................................................................................................................130
9.4.4.1 Equipment for visual inspections..........................................................................................130
9.4.4.2 Checking hoisting solenoids and security bolts....................................................................130
9.4.4.3 Checking the isolating clearances........................................................................................130
9.4.4.4 Checking the capacitor release............................................................................................130
9.4.4.5 Checking the cable and screw terminals..............................................................................130
9.4.4.6 Checking the plug connections. ...........................................................................................131
9.4.5 Replacing the filter mats in the roof assembly .....................................................................131
9.4.6 Maintaining the fan...............................................................................................................132
9.5 Repair...................................................................................................................................132
9.5.1 Torques ................................................................................................................................133
9.5.2 Replacing the AVT combination module ..............................................................................135
9.5.3 Replacing the operator panel ...............................................................................................135
9.5.3.1 Replacing the operator panel ...............................................................................................135
9.5.4 Replacing the CompactFlash card .......................................................................................137
9.5.5 Replacing the phase module or diode module.....................................................................138
9.5.5.1 Attaching the changing device to the stacker.......................................................................138
9.5.5.2 Replacing the phase module................................................................................................139
9.5.6 Replacing the Power Stack Adapter ....................................................................................147
9.5.7 Replacing fuses....................................................................................................................148
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SINAMICS SM150 6SL3845-7NN42-2AA3 HBIS Shigang WRM NTM
Operating Instructions Rev.202003051222 3005356504