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Siemens
Actuators SAS.., SAT.. for valves
CE1P4041en
Building Technologies
Contents
2015-05-19
Contents
1
About this documentation ................................................................... 5
1.1
Navigation ............................................................................................. 5
1.2
Revision history ..................................................................................... 5
1.3
Reference documents ............................................................................ 5
1.4
Before you start ..................................................................................... 5
1.4.1
Trademarks ........................................................................................... 5
1.4.2
Copyright ............................................................................................... 5
1.4.3
Quality assurance .................................................................................. 6
1.4.4
Document use / request to the reader .................................................... 6
1.5
Scope of this documentation .................................................................. 6
2
Engineering .......................................................................................... 7
2.1
Product description ................................................................................ 7
2.2
Use ........................................................................................................ 7
2.3
Type summary ....................................................................................... 8
2.3.1
Stroke actuators ..................................................................................... 8
2.4
Ordering ................................................................................................ 8
2.5
Equipment combinations ........................................................................ 9
2.5.1
2-port / 3-port threaded valves with stroke actuator SAS.. ...................... 9
2.5.2
2-port / 3-port threaded valves with stroke actuator SAT.. ....................... 9
2.6
Accessories ......................................................................................... 10
2.6.1
Electrical accessories .......................................................................... 10
2.6.2
Mechanical accessories ....................................................................... 10
2.7
Product replacements .......................................................................... 10
2.7.1
Stroke actuators SAS../SAT.. to SQS.. .................................................. 10
2.7.2
Electrical accessories .......................................................................... 11
2.8
Spare parts .......................................................................................... 11
2.9
Sizing .................................................................................................. 12
2.9.1
Parallel operation of actuators .............................................................. 12
2.9.2
Permissible cable length and wire cross-sectional area ........................ 12
2.10
Warranty .............................................................................................. 13
3
Handling ............................................................................................. 14
3.1
Mounting and installation ..................................................................... 14
3.1.1
Mounting positions ............................................................................... 14
3.1.2
Fitting stroke actuators SAS.. to threaded valves ................................. 14
3.1.3
Accessories ......................................................................................... 15
3.1.4
Wiring (installation) .............................................................................. 18
3.2
Commissioning and operation .............................................................. 20
3.2.1
Function check and Calibration ............................................................ 20
3.2.2
Maintenance ........................................................................................ 22
3.2.3
Disposal .............................................................................................. 22
4
Functions and control ....................................................................... 23
4.1
3-position control ................................................................................. 23
4.2
Modulating control ............................................................................... 25
4.2.1
Positioning signal and flow characteristic selection ............................... 26
4.2.2
Position feedback U ............................................................................. 27
4.2.3
Calibration ........................................................................................... 27
4.2.4
Signal priorities .................................................................................... 28
