Lists 11/2003 Edition

4 Interface Signals 11.034.2 Signals of the PLC application interfaceTransferred T/D/DL functionsDBSignals from NCK channel (NCKPLC)21 - 30Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0DBW 116Extended address T function 1 (16 bit Int)DBW 118DBD 118DBW 120DBW 122DBW 124DBW 126T function 1 (binary) /H2/For 8-decade T nos., T function 1 (32 bit DINT) is used in DBD 118 (see note)Extended address T function 2 (16 bit Int)T function 2 (Int)Extended address T function 3 (16 bit Int)T function 3 (Int)DBB 128DBB 129DBW 130DBB 130DBB 131DBB 132DBB 133DBW 134DBD 136D function 1 (binary) /H2/For 5-decade D nos., D function 1 (16 bit DINT) is used in DBD 130 (see note)Extended address D function 2 (8 bit Int)D function 2 (8 bit Int)Extended address D function 3 (8 bit Int)D function 3 (8 bit Int)Extended address DL function (16 bit Int)DL function (REAL)Note- With active tool management, programmed T functions are not output to thePLC.- 8-decade T nos. are only available as T function 1- Programmed D functions with names (e.g. D=CUTEDGE_1) cannot beoutput in ASCII format to the PLC.- 5-decade D nos. are only available as D function 1- The REAL format corresponds to floating point representation in STEP 7(24 bit mantissa and 8 bit exponent). This floating point format supplies amaximum of 7 valid places.© Siemens AG, 2003. All rights reserved4-658 SINUMERIK 840D/840Di/810D SIMODRIVE 611 digital Lists (LIS) – 11.03 Edition