Siemens sinumerik 802d sl Operation And Programming Manual page 97

This softkey offers further functions for diagnostics and start–up of the PLC.
PLC
Use this softkey to open the configuring dialog for the interface parameters for the STEP 7
Connect to
Step 7
connection.
If the RS232 interface is already occupied by the data transfer, you can connect the control
system to the Programming Tool only if the transmission is completed.
The RS232 interface is initialized with activation of the connection.
Fig. 7-26
The baud rate is set using the toggle field. The following values are possible: 9600 / 19200 /
38400 / 57600 / 115200.
Use this softkey to activate the connection between the control system and the PC/PG. It is
Connect
on
waited for the call of the Programming Tool. Any modifications to the settings are not possi-
Connect
ble in this status.
off
The softkey labeling changes to <Connect off>.
You can cancel the transmission from the control system at any point by selecting <Connect
off > . Now it is possible again to make changes in the settings.
The active or inactive state is kept even after Power On (except power-up with the default
data). An active connection is displayed by a symbol in the status bar (cf. Table 1-2).
Press <RECALL> to quit the menu.
Use this function to display and change the current states of the memory areas listed in
PLC
status
Table 7-3.
It is possible to display 16 operands at the same time.
Table 7-3
Inputs
Outputs
Bit memory
Times
SINUMERIK 802D sl Operation and Programming Nibbling (BP-N), 06/2006 Edition
6FC5 398-3CP10-0BA0
Activating/deactivating RS232 for the Programming Tool
Memory areas
I Input byte (IBx), input word (Iwx), input double-word (IDx)
Q Output byte (Qbx), output word (Qwx), output double-word (QDx)
M Flag byte (Mx), flag word (Mw), flag double-word (MDx)
T Time (Tx)
System
7-97