Siemens SINUMERIK 840Di Function Manual page 591

Application and procedure
SERUPRO approach with RMN offers the opportunity of using the application as shown in
the figure: If a program abort is forced by RESET at any point when the program is
advancing from block 2 to 3,
• RMN is used to approach the abort location by the shortest route in order to process just
• B-2, 2-3, 3-4 are always approached with RMI and RMB and the target block thus
Selecting REPOS mode
Using the 3 bits of the channel-specific VDI signal (PLC→NCK)
DB21, ... DBX31.0-31.2 (REPOSPATHMODE0-2) the respective function (RMB, RMI, RME
or RMN) can be selected.
Repositioning point
RMNOTDEF REPOS mode not redefined
RMB Repositioning block start point or last end point
RMI Repositioning interrupt point
RME Repositioning end-of-block point
RMN Repositioning to next path point
DB21, ... DBX31.0-31.2 (REPOSPATHMODE)=0 corresponds to RMNOTDEF
DB21, ... DBX31.0-31.2 (REPOSPATHMODE)=1 corresponds to RMB
DB21, ... DBX31.0-31.2 (REPOSPATHMODE)=2 corresponds to RMI
DB21, ... DBX31.0-31.2 (REPOSPATHMODE)=3 corresponds to RME
DB21, ... DBX31.0-31.2 (REPOSPATHMODE)=4 corresponds to RMN
With DB21, ... DBX31.0-31.2 (REPOSPATHMODE0-2) = 0, no settings are overwritten and
the current program is valid. The interface signal responds to the level of the corresponding
mode.
Note
RMN is a general REPOS expansion and is not restricted to SERUPRO. RMI and RMB are
identical with respect to SERUPRO.
With DB21, ... DBX31.0–31.2 (REPOSPATHMODE0-2), the path as a whole is controlled.
The path axes cannot be changed individually.
The behavior of the other axis types can be changed individually using interface signal
DB31, ... DBX10.0 (REPOSDELAY). This REPOS offset is not applied immediately, but only
when it is next programmed.
For further information about programming the repositioning point, see
References: /PGA/, "Path Behavior" Repositioning on Contour
Mode Group, Channel, Program Operation, Reset Response (K1)
Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
the distance to go from C-3 and 3-4. The user starts a SERUPRO operation at the
interruption block and uses the JOG keys to move in front of the problem component of
the target block.
repeated once completely.
Detailed Description
2.6 Block search Type 5 SERUPRO
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