Siemens SINUMERIK 840D sl Function Manual

Also see for SINUMERIK 828D Turning: Diagnostic manual Function manual Equipment manual Programming manual Operating manual

Data, for which no unique physical units are defined, is not converted automatically.This includes:● R parameters● GUDs (Global User Data)● LUDs (Local User Data)● PUDs (Program global User Data)● Analog inputs/outputs● Data exchange via FC21In this case, the user is requested to take into account the currently valid system of units:MD10240 $MN_SCALING_SYSTEM_IS_METRICThe current system of units setting can be read using PLC interface signal:DB10 DBX107.7 (inch system)Using the signal:DB10 DBB71 (change counter, system of units inch/metric)the "system of units change counter" can be read out● The system of units for sag compensation is configured using:MD32711 $MA_CEC_SCALING_SYSTEM_METRICReferences:Function Manual Extended Functions; Compensations (K3)● The system of units for positional data of the indexing axis tables and switching points forsoftware cams is configured in machine data element:MD10270 $MN_POS_TAB_SCALING_SYSTEM.References:Function Manual, Extended Functions; Software Cams, Limit Switching Signals (N3) /Indexing Axes (T1)User tool dataThe physical units for user-defined tool and tool cutting edge data can be set in the followingmachine data:● MD10290 $MN_CC_TDA_PARAM_UNIT● MD10292 $MN_CC_TOA_PARAM_UNITWhen the system of units is switched over, all length-related tool data is converted to the newsystem of units.Reference pointThe reference point is retained. It is not necessary to repeat referencing.G2: Velocities, setpoint / actual value systems, closed-loop control7.3 Metric/inch measuring systemBasic FunctionsFunction Manual, 01/2015, 6FC5397-0BP40-5BA2 331