User manual SMARRESEARCH RD401
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Manual abstract: user guide SMARRESEARCH RD401
Detailed instructions for use are in the User's Guide.
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TechnologySource
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Intelligent HART Radar Level Transmitter RD401
Manual
Includes
· · · · · ·
Overview of the RD401 technology, applications, components, and features Device installation procedures for mounting and wiring Device configuration information · Remote configuration via HART configurator · Local configuration via magnetic tool Troubleshooting and maintenance information Technical specifications · Electrical and mechanical specifications and certifications Ordering code information
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RD401MAN - 0805
Contents
1. Introduction 1. 1 General Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 1. 2 Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 1. 3 Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] Tank Diameter - Enter the diameter of the standard shaped tank into this field. Custom strap tables must be entered in the volume table.
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Diameter
Height
Diameter
Diameter
Height
Height
Vertical Cylinder
Horizontal Cylinder
Vertical Bullet
Horizontal Bullet
Sphere
Fig. 4. 3 RD401 Standard Tank Types
Irregular Tank Shape
5 Level 5
1. 0
ft
m3
1. 25 5. 0 10. 0 11. 0 16. 0
Level 4
3. 5 6. 0 7. 0 8. 5
Level
Level 3
Level 2
Level 1 Volume
Fig. 4. 4 Example Irregular Tank and Custom Strap Table
4. 1. 3 Range The Range menu contains the parameters relating to the 4-20mA output signal of the RD401. To re-range a transmitter is to change the primary variable (PV) values related to the 4mA and 20mA output points. Upper and lower range values can be set here digitally or via applied references. URL - The Upper Range Limit is the maximum value of the PV the RD401 can currently measure. This parameter is read only and is based upon the variable mapped as the primary variable and the Tank Configuration parameters. URV - The Upper Range Value is the PV measurement that corresponds with an output of 20mA. This value can be set anywhere between the URL and the LRV taking into the account the minimum span. LRV - The Lower Range Value is the PV measurement that corresponds with an output of 4mA. This value can be set anywhere between the LRL and the URV taking into account the minimum span. LRL - The Lower Range Limit is the minimum PV the RD401 can currently measure. This parameter is read only and is based upon the Tank Configuration parameters.
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Diameter
Diameter
Height
Minimum Span - This read only parameter is the minimum span that can be between the URV and LRV. The difference between the URV and LRV must always be greater than the minimum span. Damping - This parameter controls the electronic damping level of the RD401. Damping allows an averaged value over a specified time period to be output as the primary variable. This is desired for applications in which quick unwanted pulses in the level may occur due to turbulence or other reasons. This unit can be changed by adjusting the Unit parameter in the Range menu or via the Unit Codes menu. Unit Family - This parameter allows selection of various unit families. The only valid unit families for the primary variable are Length, Volume and Temperature, dependant on the selection of the primary variable in the Variable Mapping menu. The available primary variable units of length, volume and temperature are: · Length - ft, m, in, cm, mm · Volume - gal, l, Gal, m3, bbl, yd3, ft3, in3 · Temperature - °C, °F, °R, Kelvin Upon changing this unit, all variables associated with the unit family will be changed. [. . . ] Once the connection is loosened, the remainder of the thread may be unscrewed by hand. Be sure to keep the double washer on the thread as you are unscrewing to avoid losing the part. Be sure that the double washer is on the thread between the RD401 and the probe. Tighten to the probe using 2 wrenches on the flat surfaces of the process connector and the probe connector. [. . . ]
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