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西门子阀门定位器的使用(英文)

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    • 1、西门子阀门定位器 http:/www.chinasiemens- 电话:021-31121070西门子阀门定位器的使用(英文)1、General information and function of the NCS1.1 General information and functionThe positioning distance sensing system and controller unit can be mounted separately in all housing variants with the SIPART PS2 positioner. The stroke or rotary angle detection takes place directly on the drive by a non contacting position sensor (Non Contacting Position Sensor). The controller unit can then be mounted at some distance on a mounting tu

      2、be or similar and is connected to the positioning distance sensing system by an electric cable and with the drive by one or two pneumatic lines.Such a separate installation is always useful when the ambient conditions at the fitting exceed the specified values for the SIPART PS2 positioner.The NCS consists of cast sensor to be mounted permanently and a magnet. The magnet is mounted directly on the spindle in linear actuators or on the shaft stump in rotary actuators. The sensor housing is fixed

      3、to the console in rotary actuators and to the NAMUR bracket in linear actuators. The NCS is supplied with power via the EMC filter module C73451-A430-D23 NCS and at the same time guarantees electromagnetic compatibility. The SIPART PS2 positioner can be ordered with a pre-assembled EMC filter module or a filter module can be retrofitted to existing controllers at any time西门子阀门定位器 http:/www.chinasiemens- 电话:021-311210701.2 Mode of operationThe NCS contains a magnetic field sensor amongst other th

      4、ings. This sensor has the property that it changes its electrical resistance when approached by a permanent magnet. Due to the measuring method used, it has a large signal-to-noise ratio in relation to external magnetic fields.The following figure illustrates the functional principle with a rotating magnet. 2、Versions, as-delivered state2.1 VersionsThe NCS is equally suitable for rotary actuators (according to VDI/VDE 3845) and for linear actuators within its technical specifications (see Chapte

      5、r 6, page 69 “Technical Data“). The following versions are available2.2 NCS for rotary actuatorsThe scope of delivery of the NCS for rotary actuators 6DR4004-xNN10 contains (serial no. Figure 4, page 50).Ser.no. pieces Designation Notes1 Operating Instructions2 1 Magnet holder西门子阀门定位器 http:/www.chinasiemens- 电话:021-311210703 6 Washer DIN 125 6-200HV-A44 2 Hexagon socket head screw M6x12-A4-705 1 Plastic washer6 1 Rotary magnet7 1 Clamping ring8 4 Hexagon nut EN 240329 2 Hexagon socket head screw

      6、 M6x25-A210 1 NCS sensor Cable length acc. to order1 Screw SN60088 F3x8-ST1 Seal for screw-type cable gland1 Stopper for closing the seal2.3 NCS for linear actuatorsNCS as a linear actuator is available in two different variations:Linear actuator up to 14 mm.This is a direct mount (i.e. without gears or levers) (Figure 5, page 51). Linear actuator 14 mm:For linear actuators over 14 mm 6DR4004-xNN30, the linear movement is converted into a rotational movement with a lever assembly (Figure 6, page 54)http:/www.chinasiemens-

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