Siemens SINUMERIK 840D sl Function Manual

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TE9: Axis pair collision protection17.3 StartupSpecial FunctionsFunction Manual, 09/2011, 6FC5397-2BP40-2BA0 67117.3 Startup17.3.1 Enabling the technology function (option)The technology function is enabled via the following optional item of data:MD19610 $ON_TECHNO_EXTENSION_MASK[6], BIT4 = 117.3.2 Activating the technology functionBefore starting up the technology function, make sure that the corresponding compile cyclehas been loaded and activated.See also "TE01: Installation and activation of loadable compile cycles [Page 433]".Activating the technology functionThe "axis pair collision protection" technology function must be activated for all NC channelsto which the machine axes to be monitored will be assigned once the NC has powered up orto which they will be assigned during the course of machining, for example, due to an axisinterchange. Activation is carried out via the following item of machine data:MD60972 $MN_CC_ACTIVE_IN_CHAN_PROT[0], BITn = 1 whereBIT0 = 1: activation in the 1st channel of the NCBIT1 = 1: activation in the 2nd channel of the NC,etc.17.3.3 Definition of an axis pairDefinitionA pair of machine axes to be monitored is defined in the following item of machine data:MD61516 $MN_CC_PROTECT_PAIRS[n] = yy xxxx (1st and 2nd decimal place): axis number of the 1st machine axisyy (3rd and 4th decimal place): axis number of the 2nd machine axisNoteAxis numberThe axis number m of a machine axis relates to machine data MD10002$MN_AXCONF_LOGIC_MACHAX_TAB[ i ] where i = (m - 1).