Siemens SINUMERIK 840Di Function Manual page 908

Contents
2.10 Memory requirements of basic PLC program for 810D, 840D................................................. 2-74
2.11 Supplementary conditions and NC VAR selector .................................................................... 2-77
2.11.1 Supplementary conditions........................................................................................................ 2-77
2.11.1.1 Programming and parameterizing tools ................................................................................... 2-77
2.11.1.2 SIMATIC documentation required............................................................................................ 2-79
2.11.1.3 Relevant SINUMERIK documents ........................................................................................... 2-80
2.11.2 NC VAR selector ...................................................................................................................... 2-80
2.11.2.1 Overview .................................................................................................................................. 2-80
2.11.2.2 Description of Functions........................................................................................................... 2-83
2.11.2.3 Startup, installation................................................................................................................... 2-91
2.12 Block descriptions .................................................................................................................... 2-92
2.12.1 FB 1: RUN_UP Basic program, startup section ....................................................................... 2-92
2.12.2 FB 2: Read GET NC variable................................................................................................. 2-106
2.12.3 FB 3: PUT write NC variables ................................................................................................ 2-113
2.12.4 FB 4: PI_SERV General PI services ...................................................................................... 2-120
2.12.5 FB 5: GETGUD read GUD variable ....................................................................................... 2-143
2.12.6 FB 7: PI_SERV2 General PI services .................................................................................... 2-148
2.12.7 FB 9: M : N operating-unit switchover.................................................................................... 2-151
2.12.8 FB 10: Safety relay (SI relay) ................................................................................................. 2-157
2.12.9 FB 11: Brake test ................................................................................................................... 2-160
2.12.10 FB 29: Signal recorder and data trigger diagnostics.............................................................. 2-165
2.12.11 FC 2: GP_HP Basic program, cyclical section ....................................................................... 2-169
2.12.12 FC 3: GP_PRAL Basic program, interruptcontrolled section ................................................. 2-170
2.12.13 FC 5: GP_DIAG Basic program, diagnostic alarm, and module failure ................................. 2-173
2.12.14 FC 7: TM_REV Transfer block for tool change with revolver................................................. 2-175
2.12.15 FC 8: TM_TRANS transfer block for tool management ......................................................... 2-179
2.12.16 FC 9: ASUB startup of asynchronous subprograms.............................................................. 2-186
2.12.17 FC 10: AL_MSG error and operating messages.................................................................... 2-189
2.12.18 FC 12: AUXFU call interface for user with auxiliary functions ............................................... 2-191
2.12.19 FC 13: BHGDisp display control for handheld unit ................................................................ 2-192
2.12.20 FC 15: POS_AX positioning of linear and rotary axes ........................................................... 2-195
2.12.21 FC 16: PART_AX positioning of indexing axes...................................................................... 2-201
2.12.22 FC 17: YDelta star/delta changeover..................................................................................... 2-205
2.12.23 FC 18: SpinCtrl spindle control .............................................................................................. 2-208
2.12.24 FC 19: MCP_IFM transmission of MCP signals to interface.................................................. 2-218
2.12.25 FC 21: transfer PLC NCK data exchange.............................................................................. 2-225
2.12.26 FC 22: TM_DIR Direction selection for tool management ..................................................... 2-232
2.12.27 FC 24: MCP_IFM2 Transmission of MCP signals to interface............................................... 2-235
2.12.28 FC 25: MCP_IFT transfer of MCP/OP signals to interface .................................................... 2-239
2.12.29 FC 26: HPU_MCP Transfer of HPU/HT6 signals to the interface.......................................... 2-243
2.12.29.1 General................................................................................................................................... 2-243
2.12.29.2 MCP selection signals to the user interface........................................................................... 2-245
2.12.29.3 Checkback signals from user interface for controlling displays ............................................. 2-247
2.12.30 FC 19, FC 24, FC 25, FC 26 source code description........................................................... 2-248
2.13 Signal/data descriptions ......................................................................................................... 2-250
2.13.1 Interface signals NCK/PLC, MMC/PLC, MCP/PLC ............................................................... 2-250
2.13.2 Decoded M signals................................................................................................................. 2-251
2.13.3 G Functions ............................................................................................................................ 2-252
2.13.4 Message signals in DB 2........................................................................................................ 2-254
2.14 Useful Tips on Programming with STEP 7............................................................................. 2-257
2.14.1 General................................................................................................................................... 2-257
2.14.2 Copying data .......................................................................................................................... 2-257
2.14.3 ANY and POINTER................................................................................................................ 2-258
2.14.3.1 General................................................................................................................................... 2-258
2.14.3.2 Use of POINTER and ANY in FC if POINTER or ANY is available as parameter................. 2-258
iv
Power Line Basic PLC Program (P3)
Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0