06.03
16.2 Expanded message frame configuration (SW 2.2 and higher)
16-505
Siemens AG, 2003. All rights reserved
SINUMERIK 840Di Manual (HBI) – 06.03 Edition
Before performing the expanded message frame configuration, you need to
configure the DP slave 611U with the standard message frame required for this
drive.
For information on how to perform a standard configuration of the DP master,
please see Subsection 7.3.7, page 7-231ff.
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 mes-
sage frame must been expanded by the length of the additional PDA.
2. As the I/O address of setpoint and the actual value of an axis must be the
same, change the I/O address of the setpoint to the I/O address of the ac-
tual value which is automatically adapted by the HW Config if necessary.
Dialog: DP Slave Properties
Tab: Configuration
Actual value > length:
<Length standard PDA + length additional
PDA>
Setpoint > I/O address: <I/O address actual value> (see above 2.)
OK
Notice
S
The I/O address for setpoint and actual values of an axis must be the same.
I/O address actual value = = I/O address setpoint
S
The axis I/O address set via the SlaveOM must match the I/O address set
in the NC.
No automatic adjustment takes place!
The following data must be identical.
1. SIMATIC S7 configuration of DP slave 611U
I/O address
2. SINUMERIK 840Di NC
MD13060: DRIVE_LOGIC_ADDRESS[n] (logical drive address)
Note
After increasing the length of the actual value PDA (dialog box: DP slave Prop-
erties > Configuration > Actual value > Length), when the Properties dialog box
is opened again, in message frame type:
Dialog: DP slave properties
Tab: Configuration
Default: <Message Frame Type>
the message frame type that was originally selected is no longer displayed, but
the message frame that matches the modified PDA or no message frame type.
Step 1:
Configuring the
DP master
Standard
configuration
Expanded
message frame
configuration
Dialog
16 840Di Specific Data and Functions
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