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Siemens
Actuators SAX.., SAY.., SAV.., SAL.. for valves
CE1P4040en
Building Technologies
Contents
2018-12-05
3.2.4
Disposal .............................................................................................. 52
4
Functions and control ....................................................................... 53
4.1
3-position control ................................................................................. 53
4.1.1
Combination with RVD.. controller for direct domestic hot water
distribution by heat exchanger ............................................................. 55
4.2
Modulating control ............................................................................... 56
4.3
Function module AZX61.1 .................................................................... 57
4.3.1
Sequence control (signal adaptation) ................................................... 57
4.3.2
Changeover of acting direction ............................................................. 59
4.4
Positioning signal and flow characteristic selection ............................... 60
4.5
Acting direction and flow characteristic ................................................. 61
4.6
Position Feedback U ............................................................................ 61
4.7
Position control with ClosedPosition
-
Synchronisation ........................... 62
4.7.1
ClosedPosition-Synchronisation ........................................................... 62
4.8
Calibration ........................................................................................... 64
4.9
Signal priorities .................................................................................... 64
4.10
Detection of valve seat ......................................................................... 65
4.11
Detection of foreign bodies .................................................................. 65
4.12
Forced control Z .................................................................................. 66
4.13
Communicating actuators Modbus RTU ............................................... 67
4.13.1
Detection of valve seat ......................................................................... 67
4.13.2
Detection of foreign bodies .................................................................. 67
4.13.3
Calibration ........................................................................................... 68
4.13.4
Manual adjustment .............................................................................. 69
4.13.5
Parameters and function description .................................................... 69
4.14
Technical and mechanical design ......................................................... 72
4.14.1
Transmission of power ......................................................................... 72
4.14.2
Coupling .............................................................................................. 73
4.14.3
Manual adjuster ................................................................................... 73
4.14.4
Indicators ............................................................................................. 74
4.14.5
Electrical accessories .......................................................................... 75
4.14.6
Mechanical accessories ....................................................................... 76
5
Technical data .................................................................................... 77
6
Connection diagrams and dimensions ............................................. 80
6.1
Internal diagrams ................................................................................. 80
6.2
Connection terminals ........................................................................... 81
6.2.1
Actuators ............................................................................................. 81
6.2.2
Electrical accessories .......................................................................... 81
6.3
Connection diagrams ........................................................................... 82
6.4
Dimensions.......................................................................................... 84
6.4.1
Stroke actuators .................................................................................. 84
1)
SAX..U: 1.850 kg ................................................................................. 84
6.4.2
External Modbus converter .................................................................. 85
6.4.3
Rotary actuators .................................................................................. 86
7
Revision numbers .............................................................................. 87
8
Glossary ............................................................................................. 88
8.1
Symbols .............................................................................................. 88
8.2
Terms .................................................................................................. 88