Defining Auxiliary Functions - Siemens SINUMERIK 840D sl Function Manual

H2: Auxiliary function outputs to PLC
8.17 Examples
● Address extension: 2 as appropriate for the 2nd spindle of the channel
● Output behavior:
– Output duration one OB1 cycle (normal acknowledgment)
– Spindle response following acknowledgment
– Output at block end
Parameter assignment:
MD22000 $MC_AUXFU_ASSIGN_GROUP [ 2 ]
MD22010 $MC_AUXFU_ASSIGN_TYPE [ 2 ]
MD22020 $MC_AUXFU_ASSIGN_EXTENSION [ 2 ] = 2
MD22030 $MC_AUXFU_ASSIGN_VALUE [ 2 ]
MD22035 $MC_AUXFU_ASSIGN_SPEC [ 2 ]
8.17.2

Defining auxiliary functions

Task
Parameter assignment of the auxiliary function-specific machine data for a machine with the
following configuration:
Spindles
● Spindle 1: Master spindle
● Spindle 2: Second spindle
Gear stages
● Spindle 1: 5 gear stages
● Spindle 2: No gear stages
Switching functions for cooling water on/off
● Spindle 1
– "ON" = M50
– "OFF" = M51
● Spindle 2
– "ON" = M52
– "OFF" = M53
446
= 5
= "M"
= 5
= 'H91'
Function Manual, 01/2015, 6FC5397-0BP40-5BA2
Basic Functions