Siemens SINUMERIK Series Function Manual page 189
Eps network services
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03/2012
Function
PLC performan-
ce index
AC marker
Feedback mes-
sages to PLC
Define memory
area
Data block
Selection field
Data block
Start address
End address
Selection field
Data block
Start address
© Siemens AG 2012 All Rights Reserved
ePS Network Services, Function Manual (FH) - 03/2012
Description
It is possible to use the PLC performance
index in order to limit the number of PLC
functions executed by ePS Network Services,
to prevent ePS Network Services from over-
loading the control unnecessarily.
The cycle time allocated to each ePS Net-
work Services function is directly proportional
to the number of ePS Network Services func-
tions executed.
Since there are different PLCs with different
command execution times, a sensible quan-
tity must be determined for this index.
An AC marker that is not being used by ap-
plications elsewhere must be enabled for the
purpose of performing axis tests.
Digits from 0 to 19999
Used to specify data block number for feed-
back messages.
S7 permissible data block numbers
Use default memory address
selected
Data block address for the feedback signals.
DB10 fixed
Start of the user data area with the specifica-
tion of the first byte number.
DBB118 fixed
End of the user data area with the specifica-
tion of the last byte number.
DBB121 fixed
Use default memory address
deselected
Data block address for the feedback signals.
S7 permissible and existing DB
Start of the user data area with the specifica-
tion of the first byte number.
S7 permissible and existing DB
In addition, the start label must be pre-
assigned with 4 bytes before the specified
byte.
Hex: 65; 50; 53; 5B
3 Setting up functions
3.5 Global settings
Type
DISPLAY
INPUT
DISPLAY
INPUT
SELECTION
DISPLAY
DISPLAY
DISPLAY
DISPLAY
SELECTION
DISPLAY
DISPLAY
INPUT
DISPLAY
INPUT
3-189
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