Axel CANDPSX - Profibus DP COMMUNICATION; Setting the Station Address; Setting Packet Consistency; Memory Swap Function for Profibus DP Dual Port Memory

CANDPSX user manual rev 2 Page 10 of 42
____________________ _
3.4 PROFIBUS DP COMMUNICATION
It is the Profibus master which establishes directly the communication settings of the Profibus-DP
network, thus the only specific settings needed by the module are the station address and packet
consistency.
3.4.1 Setting the station address
To specify the address of the Profibus-DP station, set the parameter 2020h:
Property
Value
Parameter
2020h
Logic View menu
All parameters/System/Profibus-DP
Data type
8 bit unsigned int
Value
1 to 125
Default value
1
Access
Read/Write
3.4.2 Setting packet consistency
To enable/disable consistency, set the parameter 2022h:
Property
Value
Parameter
2022h
Logic View menu
All parameters/System/Profibus-DP
Data type
8 bit unsigned int
Value
0 = consistency across word
1 = consistency across the entire packet
Default value
0
Access
Read/Write
3.4.3 Memory swap function for profibus DP dual port memory
To enable/disable memory swap, set the parameter 2023h:
Property
Value
Parameter
2023h
Logic View menu
All parameters/System/Profibus-DP
Data type
8 bit unsigned int
Value
0 = memory swap disable
1 = memory swap enable
Default value
0
Access
Read/Write