Siemens SINUMERIK 840Di Function Manual page 1190

Contents
2.9.3 Assignment: DB ....................................................................................................................... 2-64
2.9.4 Assignment: Timers ................................................................................................................. 2-66
2.10 Memory requirements of basic PLC program for 810D, 840D................................................. 2-66
2.11 General conditions and NC-VAR_Selector .............................................................................. 2-69
2.11.1 Supplementary conditions........................................................................................................ 2-69
2.11.1.1 Programming and parameterizing tools ................................................................................... 2-69
2.11.1.2 SIMATIC documentation required............................................................................................ 2-71
2.11.1.3 Relevant SINUMERIK documents ........................................................................................... 2-71
2.11.2 NC VAR selector ...................................................................................................................... 2-72
2.11.2.1 Overview .................................................................................................................................. 2-72
2.11.2.2 Description of functions............................................................................................................ 2-74
2.11.2.3 Start-up, installation ................................................................................................................. 2-84
2.12 Block descriptions .................................................................................................................... 2-84
2.12.1 FB 1: RUN_UP Basic program, start-up section ...................................................................... 2-84
2.12.2 FB 2: Read GET NC variable................................................................................................... 2-92
2.12.3 FB 3: PUT write NC variables .................................................................................................. 2-99
2.12.4 FB 4: PI_SERV General PI services ...................................................................................... 2-106
2.12.5 FB 5: GETGUD read GUD variable ....................................................................................... 2-129
2.12.6 FB 7: PI_SERV2 General PI services .................................................................................... 2-134
2.12.7 FB 9: M : N operating-unit switchover.................................................................................... 2-138
2.12.8 FB 10: Safety relay (SI relay) ................................................................................................. 2-143
2.12.9 FB 11: Brake test ................................................................................................................... 2-146
2.12.10 FB 29: Signal recorder and data trigger diagnostics.............................................................. 2-151
2.12.11 FC 2: GP_HP Basic program, cyclic section.......................................................................... 2-154
2.12.12 FC 3: GP_PRAL Basic program, interrupt-driven section...................................................... 2-156
2.12.13 FC 5: GP_DIAG Basic program, diagnostic alarm, and module failure ................................. 2-158
2.12.14 FC 7: TM_REV Transfer block for tool change with revolver................................................. 2-160
2.12.15 FC 8: TM_TRANS transfer block for tool management ......................................................... 2-164
2.12.16 FC 9: ASUB start-up of asynchronous subprograms............................................................. 2-171
2.12.17 FC 10: AL_MSG error and operating messages.................................................................... 2-174
2.12.18 FC 12: AUXFU call interface for user with auxiliary functions ............................................... 2-176
2.12.19 FC 13: BHGDisp Display control for handheld unit................................................................ 2-177
2.12.20 FC 17: YDelta star/delta changeover..................................................................................... 2-180
2.12.21 FC 18: SpinCtrl spindle control .............................................................................................. 2-183
2.12.22 FC 19: MCP_IFM transmission of MCP signals to interface.................................................. 2-194
2.12.23 FC 21: transfer PLC NCK data exchange.............................................................................. 2-201
2.12.24 FC 22: TM_DIR Direction selection for tool management ..................................................... 2-208
2.12.25 FC 24: MCP_IFM2 transmission of MCP signals to interface................................................ 2-210
2.12.26 FC 25: MCP_IFT transfer of MCP/OP signals to interface .................................................... 2-214
2.12.27 FC 26: HPU_MCP Transfer of HPU/HT6 signals to the interface.......................................... 2-217
2.12.27.1 MCP selection signals to the user interface........................................................................... 2-219
2.12.27.2 Checkback signals from user interface for controlling displays ............................................. 2-221
2.12.28 FC 19, FC 24, FC 25, FC 26 source code description........................................................... 2-221
2.12.29 Signal/data descriptions ......................................................................................................... 2-223
2.12.29.1 Interface signals NCK/PLC, MMC/PLC, MCP/PLC ............................................................... 2-223
2.12.29.2 Decoded M signals................................................................................................................. 2-223
2.12.29.3 G Functions ............................................................................................................................ 2-225
2.12.29.4 Message signals in DB 2........................................................................................................ 2-226
2.12.30 Useful Tips on Programming with STEP 7............................................................................. 2-229
2.12.30.1 General................................................................................................................................... 2-229
2.12.30.2 Copying data .......................................................................................................................... 2-229
2.12.30.3 ANY and POINTER................................................................................................................ 2-229
iv
PLC Basic Program Solution Line (P3 sl)
Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0