Siemens SINUMERIK 840Di sl Commissioning Manual page 596

840Di-specific data and functions
18.2 Expanded message frame configuration/evaluation of internal drive variables
Recommended configuration sequence
When configuring the components included in the expanded message frame configuration,
we recommend the following sequence:
1. DP master
2. DP Slave 611U
3. SINUMERIK 840Di sl NC
Step 1: Configuring the DP master
Before performing the expanded message frame configuration, you need to configure the DP
slave 611U with the standard message frame required for this drive.
Standard engineering
For information on how to perform a standard configuration of the DP master, please see
Section "DP slave SIMODRIVE drives" (Page 297).
Expanded message frame configuration
To transfer the additional process data, you need to change the configuration of the DP
slave 611U as follows:
1. The length of the PDA ,which is already configured with the standard message frame,
2. As the I/O address of setpoint and the actual value of an axis must be the same, change
Dialog
Dialog: DP slave properties
OK
596
must be expanded by the length of the additional PDA.
the I/O address of the setpoint to the I/O address of the actual value which is
automatically adapted by the HW Config if necessary.
Tab: Configuration
Actual value > Length: <Length standard PDA + length additional PDA>
Setpoint > I/O address: <I/O address actual value>
(see above 2.)
Commissioning Manual, 05/2008, 6FC5397–4CP10–4BA0
Manual