FIELDVUE DLC3000 Series Digital Level Controllers

1 Product Bulletin : DLC3000 . December 2006 DLC3000 Digital Level Controllers FIELDVUER DLC3000 Series Digital Level Controllers FIELDVUER DLC3000 Series Digital Level Controllers The connection for HART communication may be (figure 1) are used with Level sensors to measure made at any point in the field wiring that meets the liquid Level , the Level of the interface between two HART impedance requirements. Configuration, liquids, or liquid specific gravity (density). Changes calibration, diagnostics, parameter review, signal in Level or specific gravity exert a buoyant force on a monitoring and alert monitoring are all available displacer, which rotates a torque tube shaft.

2 The through the HART protocol. Information from the Digital Level controller converts this rotational motion field can be integrated into control systems or be to an electronic signal. received on a single loop basis. DLC3000 Series Digital Level Controllers are DLC3000 Series Digital Level Controllers are designed to directly replace standard pneumatic and communicating, microprocessor-based instruments electronic Level transmitters. Type DLC3010 Digital that can be configured to sense the Level , interface Level Controllers mount on a wide variety of FisherR.

3 Level , or density of liquids. In addition to the normal 249 Series cageless and caged Level sensors. function of providing a 4 to 20 milliampere current signal, DLC3000 Series Digital Level Controllers , Note using the HARTR communications protocol, give easy access to information critical to process Neither Emerson, Emerson Process operation. You can obtain information about the Management, nor any of their affiliated process, instrument, or sensor using the Model 375 entities assumes responsibility for the Field Communicator. Advanced user-interface selection, use, and maintenance of any capabilities are enabled by AMSt Suite: Intelligent product.

4 Responsibility for the Device Manager. The DLC3000 Series can be used selection, use, and maintenance of any in analog or HART Digital signaling mode with the product remains with the purchaser Emerson Process Management DeltaVt system. and end-user. W7977 / IL. Figure 1. FIELDVUER DLC3000 Series Digital Level controller D102727X012. Product Bulletin : DLC3000 . DLC3000 Digital Level Controllers December 2006. DLC3000 Series Digital Level controller Specifications Available Configurations Performance Type DLC3010 Digital Level controller : w/ 3-Inch DLC3000 w/ All Mounts on Fisher 249 Series caged and cageless PERFORMANCE.

5 Digital Level 249W, Using Other 249. sensors. See tables 4 and 5 and sensor CRITERIA. controller (1). a 14-inch Series Displacer description. Independent $ of $ of $ of Function: Transmitter Linearity output span output span output span Communications Protocol: HART < of Hysteresis . output span Input Signal(1) $ of full $ of $ of Repeatability scale output output span output span Level , Interface, or Density: Rotary motion of torque tube shaft proportional to changes in liquid < of Dead Band . input span Level , interface Level , or density that change the Hysteresis plus < of < of buoyancy of a displacer.

6 Deadband . output span output span Process Temperature: Interface for 2- or 3-wire NOTE: At full design span, reference conditions. 1. To lever assembly rotation inputs. 100 ohm platinum RTD for sensing process temperature, or optional user-entered target temperature to permit compensating for changes At effective proportional band (PB)<100%, in specific gravity linearity, dead band, and repeatability are derated by the factor (100%/PB). Output Signal(1). Operating Influences Analog: 4 to 20 milliamperes dc (J direct action increasing Level , interface, or density Power Supply Effect: Output changes < of increases output; or J reverse action increasing full scale when supply varies between min.)

7 And Level , interface, or density decreases output) max voltage specifications. Transient Voltage Protection: The loop High saturation: mA. Low saturation: mA terminals are protected by a transient voltage suppressor. The specifications are as follows: High alarm: mA. Low Alarm: mA Pulse Waveform Max VCL Max IPP. Rise Time Decay to (Clamping (Pulse Peak Only one of the above high/low alarm definitions Voltage) (V) @ Current) (A). (ms) 50% (ms). is available in a given configuration. NAMUR NE. 10 1000 16. 43 compliant when high alarm Level is selected.

8 8 20 121 83. Digital : HART 1200 Baud FSK (frequency shift Note: s = microsecond keyed). HART impedance requirements must be met to Ambient Temperature: The combined enable communication. Total shunt impedance temperature effect on zero and span without the across the master device connections (excluding 249 sensor is less than of full scale per the master and transmitter impedance) must be degree Kelvin over the operating range 40 to between 230 and 1100 ohms. The transmitter 80_C ( 40 to 176_F). HART receive impedance is defined as: Process Temperature: The torque rate is Rx: 42K ohms and affected by the process temperature (see figure Cx: 14 nF 3).

9 The process density may also be affected by Note that in point-to-point configuration, analog the process temperature. and Digital signalling are available. The instrument Process Density: The sensitivity to error in may be queried digitally for information, or placed knowledge of process density is proportional to in Burst mode to regularly transmit unsolicited the differential density of the calibration. If the process information digitally. In multi-drop mode, differential specific gravity is , an error of the output current is fixed at 4 mA, and only Digital specific gravity units in knowledge of a process communication is available.

10 Fluid density represents 10% of span. continued . 2. Product Bulletin : DLC3000 . December 2006 DLC3000 Digital Level Controllers Specifications (continued). Electromagnetic Interference (EMI): Tested per troubleshooting variables , and IEC 61326-1 (Edition ). Complies with Basic trending capability for PV, TV and SV. European EMC Directive. Meets emission limits for class A equipment (industrial locations) and LCD Meter Indications class B equipment (domestic locations). Meets LCD meter indicates analog output on a percent immunity requirements for industrial locations scale bar graph.