Specifications

35
SECTION 5
3964/RK512
5.1 General Information ........................................................................ 37
5.2 Technical Description ....................................................................... 38
5.3 Protocol parameters 3964/RK512 ............................................................ 38
5.3.1 PLC Configuration................................................................... 38
5.4 Data Type Structure......................................................................... 39
5.4.1 Data Types .......................................................................... 40
5.4.2 Special Simatic-Data Formats ........................................................ 41
5.5 Additional Functions ........................................................................ 41
5.6 3964 Procedure.............................................................................. 42
5.6.1 Block Check BCC ................................................................... 43
5.6.2 Logical Part of the Procedure 3964, RK512 ........................................... 43
5.7 Message Request of Data.................................................................... 43
5.7.1 Structure Message Header (10 bytes) Request of Data................................. 44
5.7.2 Data Specification in the Message Header ............................................ 44
5.7.3 Coordination Flag ................................................................... 45
5.7.4 Structure 4-Byte Sized Response Message............................................. 45
5.8 Message Transmission of Data .............................................................. 45
5.8.1 Structure Message Header (10 bytes) Transmission of Data............................ 46
5.8.2 Special Features of the Protocol 3964R ............................................... 46
5.8.3 Assignment of Bytes 1-4 ............................................................. 46
5.9 Protocol 3964R - Restrictions ............................................................... 47
5.10 Function Block for Siemens 115 U ........................................................... 47
5.11 Application Example for CP525 in 115U ..................................................... 48
5.12 Initialization of Module K43 of EBERLE PLS514 ............................................ 49
5.13 Error Messages ............................................................................. 57