Siemens SINUMERIK 840Di sl Commissioning Manual page 599

Figure 18-5 Configuring the additional drive actual values
Step 3: Configuring the NC
Before configuring the expanded message frame configuration, you first need to perform the
standard configuration on the NC for the drive.
Standard configuration
How to proceed with the standard configuration of a drive is described in Subsection "Drive
configuration" (Page 389).
Expanded message frame configuration
For the expanded message frame configuration on the NC, you only need to activate PDA
transfer in the respective system variable.
● Option "Evaluation of internal drive variables", Order number (MLFB): 6FC5 251-0AB17-
● NC machine data for activating the data transmission in the system variables:
Manual
Commissioning Manual, 05/2008, 6FC5397–4CP10–4BA0
18.2 Expanded message frame configuration/evaluation of internal drive variables
0BA0
– MD36730 $MA_DRIVE_SIGNAL_TRACKING[n] (acquisition of additional drive actual
values)
Note
After configuring the expanded message frame configuration, the standard message
frame with which the axis is driven is only explicitly visible in the NC machine data:
• MD13060 $MN_DRIVE_TELEGRAM_TYP[n] (drive message frame type)
840Di-specific data and functions
599