Basic Documentation

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Siemens Actuators SAX.., SAY.., SAV.., SAL.. for valves CE1P4040en
Smart Infrastructure Contents 2020-01-30
3.2.4 Disposal .............................................................................................. 49
4 Functions and control ....................................................................... 50
4.1 3-position control ................................................................................. 50
4.1.1 Combination with RVD.. controller for direct domestic hot water
distribution by heat exchanger ............................................................. 52
4.2 Modulating control ............................................................................... 53
4.3 Function module AZX61.1 .................................................................... 54
4.3.1 Sequence control (signal adaptation) ................................................... 54
4.3.2 Changeover of acting direction ............................................................. 55
4.4 Positioning signal and flow characteristic selection ............................... 56
4.5 Acting direction and flow characteristic ................................................. 57
4.6 Position Feedback U ............................................................................ 57
4.7 Position control with ClosedPosition-Synchronization ........................... 58
4.7.1 ClosedPosition-Synchronization ........................................................... 58
4.8 Calibration ........................................................................................... 59
4.9 Signal priorities .................................................................................... 60
4.10 Detection of valve seat ......................................................................... 60
4.11 Detection of foreign bodies .................................................................. 61
4.12 Forced control Z .................................................................................. 62
4.13 Communicating actuators Modbus RTU ............................................... 62
4.13.1 Detection of valve seat ......................................................................... 62
4.13.2 Detection of foreign bodies .................................................................. 63
4.13.3 Calibration ........................................................................................... 63
4.13.4 Manual adjustment .............................................................................. 64
4.13.5 Modbus Registers ................................................................................ 64
4.13.6 Function description ............................................................................. 66
4.14 Technical and mechanical design ......................................................... 68
4.14.1 Transmission of power ......................................................................... 68
4.14.2 Coupling .............................................................................................. 69
4.14.3 Manual adjuster ................................................................................... 69
4.14.4 Indicators ............................................................................................. 70
4.14.5 Electrical accessories .......................................................................... 71
4.14.6 Mechanical accessories ....................................................................... 72
5 Technical data .................................................................................... 73
6 Connection diagrams and dimensions ............................................. 76
6.1 Internal diagrams ................................................................................. 76
6.2 Connection terminals ........................................................................... 77
6.2.1 Actuators ............................................................................................. 77
6.2.2 Electrical accessories .......................................................................... 77
6.3 Connection diagrams ........................................................................... 78
6.4 Dimensions.......................................................................................... 80
6.4.1 Stroke actuators .................................................................................. 80
1)
SAX..U: 1.850 kg ................................................................................. 80
6.4.2 External Modbus converter .................................................................. 81
6.4.3 Rotary actuators .................................................................................. 82
7 Revision numbers .............................................................................. 83
8 Glossary ............................................................................................. 84
8.1 Symbols .............................................................................................. 84
8.2 Terms .................................................................................................. 84