Badger Meter SRD/SRI Valve Positioners - Manual (Page 5)

DESCRIPTION
The intelligent positioner SRD991 is designed to operate pneumatic valve actuators and can be operated from control
systems (like the I/A Series System), controllers or PC-based configuration and operation tools, such as the FDT/DTMs VALcare
or Valve Monitor The positioner is available with different communication protocols The multi-lingual full-text graphical
LCD (optional with infrared interface), in conjunction with the three push-buttons, provides a comfortable and easy local
configuration and operation For installations in contact with explosive atmospheres, certificates are available
Main Features
Intelligent
• Autostart with self-calibration
• Self diagnostics, status and diagnostic messages
• Easy 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, PROFIBUS-PA, FOUNDATION Fieldbus H1, Configuration by means of local keys, handheld terminal (HART), PC or
I/A Series system or with an infrared interface by means of IrCom
Without communication
◊ Input signal 4…20 mA
• Stroke 8…260 mm (0 3…10 2 in ) with standard lever; larger stroke with special lever
• Angle range up to 95° (up to 300° on request)
• 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 VDI/VDE 3845 and IEC IEC 60534-6-2
• Protection class IP 66 and NEMA 4X
• Approved for SIL applications
• Explosion protection: Intrinsic Safety according to ATEX and FM/CSA
Overview
The SRD991 consists of a basic device with a digital controller that supports different communication protocols (or also simply
4…20 mA input) Into this basic device, additional equipment can be built such as plug-in cards for electrical input/output
signals, position feedback and pressure sensors
The pneumatic part is available in different versions (single/double acting or spool valve) For very large actuators, boosters
with increased air capacity can be flanged on Also, different manifolds for connection of gauges can be flanged on For the
pneumatic screw connections we offer different threads in the housing and adapters
For use in hazardous areas there are approvals according to ATEX, FM, CSA
The device can be configured locally by means of push-buttons and LCD / LED, or with PC + EDC82 Modem connected to the
service plug of the SRD991 By means of communication the device can be configured remotely or with IrCom + PC (Infrared
Interface at approximately 0 5 m)
A large variety of attachment kits for all common valves and actuators are available For high temperature or high vibration
application, we recommend to mount the SRD991 remotely and not directly on the valve For this, use the potentiometer unit
To ensure the high performance of the positioner, we offer Advanced Diagnostics and Premium Diagnostics utilities:
Description
Page 5 August 2014 POS-UM-00223-EN-02