Series 3730 Type 37304 Electropneumatic （系列3730 37304型电动气动）.pdfVIP

Series 3730 Type 3730-4 Electropneumatic Positioner with PROFIBUS-PA communication Application Positioners for attachment to pneumatic control valves Valve travel from 3.6 to 300 mm · Opening angle 24 to 100° Smart, bus-powered field device complying with PROFIBUS-PA specifications based on IEC 61158-2 transmission technology The microprocessor-controlled positioner compares the set point cyclically transmitted over the PROFIBUS-PA network to the Fig. 1: Type 3730-4 travel or opening angle of the control valve and issues a corre- Direct attachment to Type 3277 sponding output signal pressure. Pneumatic Actuator The Type 3730-4 Positioner communicates using PROFIBUS-PA specification according to IEC 61158 and IEC 61784 to ex- change data with programmable logic controllers, automation systems and various engineering tools. Special features • PROFIBUS-PA Profile 3.01 certified positioner fulfilling all Fig. 2: Type 3730-4 compulsory requirements of PROFIBUS-PA Profile 3.02 Attachment according • Automatic ID adaptation according to PROFIBUS-PA Pro- to NAMUR file 3.02 to facilitate replacement of positioners with Pro- file 2.0 or 3.0 (e.g. Type 3785) • Classified status alarms acc. to NAMUR Recommendation NE 107 • DTM file available to integrate the positioner into FDT/DTM in compliance with specification 1.2 • Simple attachment to all common linear and rotary actua- tors – SAMSON direct attachment (Fig. 1) Fig. 3: Type 3730-4 – N