Technical data

11 Data Transmission with Distributed I/Os 11 - 1
11.1 Basics of SINEC L2-DP 11 - 4
11.1.1 The SINEC L2-DP Interface for the
CP 5430 TF/CP 5431FMS 11 - 6
11.2 CP 5430 TF/CP 5431 FMS L2-DP Functions 11 - 7
11.3 Communication Between the DP Master and the
DP Slave Station 11 - 9
11.4 Basics of Data Transmission Using the
DP Service of the CP 11 - 10
11.5 Updating the Input and Output Areas
with the DP Service 11 - 11
11.5.1 Consistency of the Input and Output Bytes
with the DP Service of the CP 11 - 11
11.5.2 How the FREE Mode Functions 11 - 12
11.5.3 How the CYCLE-SYNCHRONIZED Mode Functions 11 - 15
11.6 Configuring 11 - 22
11.6.1 I/O Areas 11 - 23
11.6.2 Assigning Parameters to DP Slaves 11 - 26
11.6.3 DP Editor 11 - 31
11.6.4 Example of using the DP service 11 - 37
11.7 L2-DP Diagnostics with the User Program 11 - 40
11.7.1 Overview 11 - 40
11.7.2 Examples of Practical Applications 11 - 45
11.7.2.1 Reading out the DP station list 11 - 45
11.7.3 Reading Out the DP Diagnostic List 11 - 48
11.7.4 Request Single DP Station Diagnostic Data 11 - 51
11.7.5 Example of a Program for Requesting
Single DP Station Diagnostics 11 - 52
11.8 Sending Control Commands to the DP Slave 11 - 66
11.8.1 Function of the Control Commands -
Sync and Unsync 11 - 67
11.8.2 Function of the Control Commands -
Freeze and Unfreeze 11 - 68
B8976060/02 Contents
VII Volume 1