Siemens SINUMERIK 840D sl Function Manual

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19 Z1: NC/PLC interface signals.................................................................................................................155119.1 Various interface signals and functions (A2)......................................................................155119.1.1 Signals from PLC to NC (DB10).........................................................................................155119.1.2 Selection/Status signals from HMI to PLC (DB10).............................................................155119.1.3 Signals from the NC to the PLC (DB10).............................................................................155219.1.4 Signals to Operator Panel (DB19)......................................................................................155619.1.5 Signals from operator control panel (DB19).......................................................................156119.1.6 Signals to channel (DB21, ...)............................................................................................156519.1.7 Signals from channel (DB21, ...)........................................................................................156519.1.8 Signals to axis/spindle (DB31, ...)......................................................................................156619.1.9 Signals from axis/spindle (DB31, ...)..................................................................................157819.2 Axis monitoring, protection zones (A3)..............................................................................158719.2.1 Signals to channel (DB21, ...)............................................................................................158719.2.2 Signals from channel (DB21, ...)........................................................................................158819.2.3 Signals to axis/spindle (DB31, ...)......................................................................................158919.2.4 Signals from axis/spindle (DB31, ...)..................................................................................159119.3 Continuous-path mode, exact stop and LookAhead (B1)..................................................159219.3.1 Signals from channel (DB21, ...)........................................................................................159219.3.2 Signals from axis/spindle (DB31, ...)..................................................................................159319.4 Travel to fixed stop (F1).....................................................................................................159419.4.1 Signals to axis/spindle (DB31, ...)......................................................................................159419.4.2 Signals from axis/spindle (DB31, ...)..................................................................................159519.5 Help function output to PLC (H2).......................................................................................159619.5.1 Signals to channel (DB21, ...)............................................................................................159619.5.2 Signals from channel (DB21, ...)........................................................................................159619.5.3 Signals from axis/spindle (DB31, ...)..................................................................................160019.6 Mode group, channel, program operation, reset response (K1)........................................160119.6.1 Signals to mode group (DB11)...........................................................................................160119.6.2 Signals from the mode group (DB11).................................................................................160519.6.3 Signals to channel (DB21, ...)............................................................................................160919.6.4 Signals from channel (DB21, ...)........................................................................................161319.6.5 Signals to axis/spindle (DB31, ...)......................................................................................162719.6.6 Signals from axis/spindle (DB31, ...)..................................................................................162719.7 Axis types, coordinate systems, frames (K2).....................................................................162919.7.1 Signals to axis/spindle (DB31, ...)......................................................................................162919.8 Emergency stop (N2).........................................................................................................162919.8.1 Signals to NC (DB10).........................................................................................................162919.8.2 Signals from NC (DB10).....................................................................................................163119.9 PLC basic program (P3).....................................................................................................163119.10 Reference point approach (R1)..........................................................................................163219.10.1 Signals to channel (DB21, ...)............................................................................................163219.10.2 Signals from channel (DB21, ...)........................................................................................163319.10.3 Signals to axis/spindle (DB31, ...)......................................................................................163319.10.4 Signals from axis/spindle (DB31, ...)..................................................................................163419.11 Spindles (S1)......................................................................................................................163619.11.1 Signals to axis/spindle (DB31, ...)......................................................................................1636Table of contentsBasic FunctionsFunction Manual, 01/2015, 6FC5397-0BP40-5BA2 31