SRD991
Intelligent Valve Control Positioner - Intrinsically Safe (Ex ia)
SRD991 for non Ex and Intrinsic safe
DEVICE FEATURES
Intelligent
* Auto-start with self-calibration
* Self diagnostics, status and diagnostic messages
* Local operation with three key pads
* Multi-Lingual full text graphical LCD
* VALcare™ or Valve Monitor DTM for valve diagnostics and predictive maintenance
With communication
* HART, FOUNDATION Fieldbus H1, PROFIBUS-PA
* Configuration by means of local keys, handheld terminal (HART), PC with FDT-DTM or Digital Control Systems
Without communication
* Input signal 4 to 20 mA
COMMON FEATURES
* Stroke 8 to 260mm(0.3 to 10.2 in) with standard lever; larger stroke with special lever
* Angle range up to 95° (up to 300° as option)
* Supply air pressure up to 6 bar (90 psig), with spool valve up to 7 bar (105 psig)
* Single or double-acting
* Mounting on linear actuators according to NAMUR – IEC 60534-6-1 – VDI/VDE 3847
* Mounting on rotary actuators according to NAMUR VDI/VDE 3845 or IEC 60534-6-2
* Protection class IP 66 and NEMA 4X
* Approved for SIL applications
* Explosion protection: Intrinsic safety according to ATEX / IECEx
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