Festo Compact Performance CP-FB9-E - Cyclic Exchange of Data; Requesting Diagnostic Information

Example
Configure a CP system with 32 inputs/outputs in
standard mode.
Configuration: Function: Chk_Cfg
String Octet DP identifier
decimal hex
0
1
1
2
049
049
031
031
2.3.4 Requesting diagnostic information
The diagnostic data are requested from the CP system
with the function
Slave_Diag .
A description of this function is to be found in chapter 3,
Diagnosis via PROFIBUS-DP.
2.3.5 Cyclic exchange of data
The cyclic exchange of data is carried out with the func-
tion
Data_Exchange .
With this function, the
output data for CP systems are
transferred as an octet string of length x.
The octet string length is determined by the number of
identifier bytes.
PLEASE NOTE
With the function "Data_Exchange", the CP system
expects the output information for the valves and
electrical outputs.
The input information is sent to the master as a
reply telegram.
2. Commissioning
2-36 CP FB13-E 9904b