Siemens SAS61.33U

4 / 60
Siemens Actuators SAS.., SAT.. for valves CE1P4041en
Smart Infrastructure Contents 2019-04-09
4.2.4 Signal priorities .................................................................................... 33
4.2.5 Detection of valve seat ......................................................................... 34
4.2.6 Detection of foreign bodies .................................................................. 34
4.2.7 Forced control Z .................................................................................. 35
4.3 Communicating actuators Modbus RTU ............................................... 35
4.3.1 Detection of valve seat ......................................................................... 35
4.3.2 Detection of foreign bodies .................................................................. 36
4.3.3 Calibration ........................................................................................... 36
4.3.4 Manual adjustment .............................................................................. 37
4.3.5 Parameters and function description .................................................... 38
4.4 Technical and mechanical design ......................................................... 41
4.4.1 Transmission of power ......................................................................... 41
4.4.2 Kopplung ............................................................................................. 41
4.4.3 Fail safe function ................................................................................. 41
4.4.4 Manual adjuster ................................................................................... 42
4.4.5 Indicators ............................................................................................. 43
4.4.6 Electrical accessories .......................................................................... 44
4.4.7 Mechanical accessories ....................................................................... 44
5 Technical data .................................................................................... 45
6 Connection diagrams and dimensions ............................................. 47
6.1 Internal diagrams ................................................................................. 47
6.2 Connection terminals ........................................................................... 48
6.2.1 Actuators ............................................................................................. 48
6.2.2 Electrical accessories .......................................................................... 49
6.2.3 Cable labeling ...................................................................................... 49
6.3 Connection diagrams ........................................................................... 50
6.4 Dimensions.......................................................................................... 53
6.4.1 Stroke actuators ................................................................................... 53
6.4.2 External Modbus Converter ................................................................. 55
Revision numbers ............................................................................................. 55
7 Glossary ............................................................................................. 56
7.1 Symbols .............................................................................................. 56
7.2 Terms .................................................................................................. 56
Index 58