Siemens SINUMERIK 840D sl Function Manual page 507

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Parameter: Address extension

The "address extension" of an auxiliary function is for addressing different components of the

same type. In the case of predefined auxiliary functions, the value of the "address extension"

is the spindle number to which the auxiliary function applies.

If no address extension is programmed, the address extension is implicitly set = 0. Auxiliary

functions with the address extension = 0 always refer to the master spindle of the channel.

Grouping together auxiliary functions

To assign an auxiliary function for all spindles of a channel to the same auxiliary function

group, the value "–1" is entered for the "address extension" parameter.

For all the spindles of the channel, the auxiliary function M3 (machine data index = 6,

corresponding to the table in the Section "Predefined Auxiliary Functions") is assigned to the

second auxiliary function group.

MD22040 $MC_AUXFU_PREDEF_GROUP[ 6 ]

MD22050 $MC_AUXFU_PREDEF_TYPE[ 6 ]

MD22060 $MC_AUXFU_PREDEF_EXTENSION[ 6 ] = -1

MD22070 $MC_AUXFU_PREDEF_VALUE[ 6 ]

Parameter: Value

The parameters "value" and "type" define the meaning of an auxiliary function, i.e. the

system function that is activated on the basis of this auxiliary function. The "value" cannot be

changed for a predefined auxiliary function. For some predefined auxiliary functions, the

"value" can be reconfigured via additional machine data (see Section "Associated Auxiliary

Functions").

Basic logic functions: Auxiliary Function Output to PLC (H2)

Function Manual, 11/2006, 6FC5397-0BP10-2BA0

; "Spindle right" for the master spindle of the channel

; "Spindle right" for the 1st spindle of the channel

; "Spindle right" for the 2nd spindle of the channel

Detailed description

2.1 Predefined auxiliary functions

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