Emerson Fisher FIELDVUE DLC3020f User manual

www.Fisher.com
Fisher™FIELDVUE™DLC3020f Digital Level
Controller for FOUNDATION™fieldbus
Contents
Installation 2.....................
Mounting 6.......................
Electrical Connections 10...........
Configuration 13..................
Calibration 27.....................
Specifications 30..................
Note
This guide provides installation, setup and calibration information for the DLC3020f digital level controller using AMS Suite:
Intelligent Device Manager. For all other information on this product, including reference materials, maintenance procedures and
replacement parts details, refer to the DLC3020f Instruction Manual (D103434X012). If a copy of this document is required,
contact your Emerson sales office or go to Fisher.com.
Quick Start Guide
D103470X012
DLC3020f Digital Level Controller
April 2022
This quick start guide applies to:
3020
1
1.0
1.0
0x03
Device Type
Device Revision
Hardware Revision
Firmware Revision
DD Revision

Quick Start Guide
D103470X012
DLC3020f Digital Level Controller
April 2022
2
Installation
WARNING
To avoid personal injury or property damage, always wear protective gloves, clothing, and eyewear when performing any
installation operations.
Personal injury or property damage due to sudden release of pressure, contact with hazardous fluid, fire, or explosion can
be caused by puncturing, heating, or repairing a displacer that is retaining process pressure or fluid. This danger may not
be readily apparent when disassembling the sensor or removing the displacer. Before disassembling the sensor or
removing the displacer, observe the appropriate warnings provided in the sensor instruction manual.
Check with your process or safety engineer for any additional measures that must be taken to protect against process
media.
Refer to figure 1 for the installation flow chart.
Do not install, operate, or maintain a DLC3020f digital level controller without being fully trained and
qualified in field instrument and accessory installation, operation, and maintenance. To avoid personal
injury or property damage, it is important to carefully read, understand, and follow all of the contents
of this manual, including all safety cautions and warnings. Refer to the appropriate supplement listed
below for hazardous area approvals and special instructions for “safe use” and installations in
hazardous locations. If you have any questions regarding these instructions contact your Emerson sales
office before proceeding.
D CSA Hazardous Area Approvals - DLC3020f Digital Level Controller (D104408X012)
D FM Hazardous Area Approvals - DLC3020f Digital Level Controller (D104409X012)
D ATEX Hazardous Area Approvals - DLC3020f Digital Level Controller (D104410X012)
D IECEx Hazardous Area Approvals - DLC3020f Digital Level Controller (D104411X012)
All documents are available from your Emerson sales office or at Fisher.com. Contact your Emerson sales office for all
other approval/certification information.

Quick Start Guide
D103470X012
DLC3020f Digital Level Controller
April 2022
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START
Factory mounted
on 249 sensor
Mount DLC3020f
to Sensor
Install Heat
Insulator
High
temperature
application?
Yes
No
Proceed to
Set Up and Calibration
Make Electrical
Connections
Power Device
Yes
No
Figure 1. Installation Flowchart
Configuration: On the Bench or in the Field
Configure the digital level controller before or after installation in the field.
It may be useful to configure the instrument on the bench before installation to ensure proper operation, and to
familiarize yourself with its functionality.

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Protecting the Coupling and Flexures
NOTICE
Damage to flexures and other parts can cause measurement errors. Observe the following steps before moving the sensor
and controller.
Lever Lock
The lever lock is built in to the coupling access door. When the door is open, it positions the lever in the neutral travel
position for coupling. In some cases, this function is used to protect the lever assembly from violent motion during
shipment.
A DLC3020f digital level controller will have one of the following mechanical configurations when received:
1. A fully assembled and coupled caged‐displacer system shipped with the displacer or driver rod blocked within the
operating range by mechanical means. In this case, the access handle (figure 2) will be in the unlocked position.
Remove the displacer blocking hardware before calibration (see the appropriate sensor instruction manual). The
coupling should be intact.
NOTE:
1 SET SCREW IS USED TO LOCK THE LEVER IN PLACE FOR OPERATION
PRESS HERE TO
MOVE ACCESS HANDLE SLIDE ACCESS HANDLE TOWARD FRONT OF
UNIT TO EXPOSE ACCESS HOLE
ACCESS HOLE
MOUNTING STUDS
SHAFT CLAMP
SET SCREW
1
Figure 2. Sensor Connection Compartment (Adapter Ring Removed for Clarity)
NOTICE
When shipping an instrument mounted on a sensor, if the lever assembly is coupled to the linkage, and the linkage is
constrained by the displacer blocks, use of the lever lock may result in damage to bellows joints or flexure.

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2. If the displacer cannot be blocked because of cage configuration or other concerns, the transmitter is uncoupled
from the torque tube by loosening the coupling nut, and the access handle will be in the locked position. Before
placing such a configuration into service, couple the instrument to the sensor as follows:
a. Slide the access handle to the open position to lock the lever assembly in place and expose the access hole. Press
on the back of the handle as shown in figure 2 then slide the handle toward the front of the unit. Be sure the
locking handle drops into the detent.
b. If in process, ensure that the level or interface is in the lowest position on the displacer.
c. If on the bench, ensure that the displacer is dry and the displacer rod lever arm is not hitting a travel stop.
d. Insert a 10 mm deep well socket through the access hole and onto the torque tube shaft clamp nut. Tighten the
clamp nut to a maximum torque of 2.1 NSm (18 lbfSin).
e. Slide the access handle to the closed position for operation or calibration. (Press on the back of the handle as
shown in figure 2 then slide the handle toward the rear of the unit.) Be sure the locking handle drops into the
detent.

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DLC3020f Digital Level Controller
April 2022
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Mounting
Mounting the 249 Sensor
The 249 sensor is mounted using one of two methods, depending on the specific type of sensor. If the sensor has a
caged displacer, it typically mounts on the side of the vessel as shown in the left image in figure 3. If the sensor has a
cageless displacer, the sensor mounts on the side or top of the vessel as shown in the right image in figure 3.
TYPICAL CAGED SENSOR MOUNTING TYPICAL CAGELESS SENSOR MOUNTING
Figure 3. Typical Mounting
LIQUID LEVEL
The DLC3020f digital level controller is typically shipped attached to the sensor. If ordered separately, it may be
convenient to mount the digital level controller to the sensor and perform the initial setup and calibration before
installing the sensor on the vessel.
Note
Caged sensors have a rod and block installed on each end of the displacer to protect the displacer in shipping. Remove these parts
before installing the sensor to allow the displacer to function properly.

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DLC3020f Digital Level Controller
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DLC3020f Orientation
Mount the DLC3020f with the torque tube shaft clamp access hole (see figure 2) pointing downward to allow
accumulated moisture drainage.
Note
If alternate drainage is provided by the user, and a small performance loss is acceptable, the instrument could be mounted in 90
degree rotational increments around the pilot shaft axis. The LCD meter may be rotated in 90 degree increments to accommodate
this.
The digital level controller and torque tube arm are attached to the sensor either to the left or right of the displacer, as
shown in figure 4. This can be changed in the field on the 249 sensors (refer to the appropriate sensor instruction
manual). Changing the mounting also changes the effective action, because the torque tube rotation for increasing
level, (looking at the protruding shaft), is clockwise when the unit is mounted to the right of the displacer and counter‐
clockwise when the unit is mounted to the left of the displacer.
All 249 caged sensors have a rotatable head. That is, the digital level controller can be positioned at any of eight
alternate positions around the cage as indicated by the position numbers 1 through 8 in figure 4. To rotate the head,
remove the head flange bolts and nuts and position the head as desired.
Mounting the DLC3020f on a 249 Sensor
Refer to figure 2 unless otherwise indicated.
1. If the set screw in the access handle (figure 5) is driven against the spring plate, back it out until the head is flush
with the outer surface of the handle, using a 2 mm hex key. Slide the access handle to the open position to lock the
lever assembly in place and to expose the access hole. Press on the back of the handle as shown in figure 2 then
slide the handle toward the front of the unit. Be sure the locking handle drops into the detent.
2. Using a 10 mm deep well socket inserted through the access hole, loosen the shaft clamp (figure 2).
3. Remove the hex nuts from the mounting studs. Do not remove the adapter ring.
Note
Measurement errors can occur if the torque tube assembly is bent or misaligned during installation.

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DLC3020f Digital Level Controller
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1 NOT AVAILABLE FOR 249C AND 249K.
8
24
6
3
7
1
5
SENSOR
CAGED
CAGELESS
RIGHT‐OF‐DISPLACER
LEFT‐OF‐DISPLACER
8
2
4
6
1
3
7
5
249VS 249W 249W 249VS
Figure 4. Typical Mounting Positions for the FIELDVUE DLC3020f Digital Level Controller on a Fisher 249 Sensor
1
1
SET‐SCREW (2mm)
Figure 5. Close‐up of Set‐Screw
4. Position the digital level controller so the access hole is on the bottom of the instrument.
5. Carefully slide the mounting studs into the sensor mounting holes until the digital level controller is snug against
the sensor mounting flange.
6. Reinstall the hex nuts on the mounting studs and tighten the hex nuts to 10 NSm (88.5 lbfSin).

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DLC3020f Digital Level Controller
April 2022
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Mounting the DLC3020f for High Temperature Applications
Refer to figure 6 for parts identification except where otherwise indicated.
The digital level controller requires an insulator assembly when temperatures exceed the limits shown in figure 7.
A torque tube shaft extension is required for a 249 sensor when using an insulator assembly.
MN28800
20A7423‐C
B2707 SENSOR DIGITAL LEVEL CONTROLLER
SHAFT
EXTENSION
(KEY 58)
SHAFT
COUPLING
(KEY 59)
SET SCREWS
(KEY 60)
INSULATOR
(KEY 57)
CAP SCREWS
(KEY 63) MOUNTING STUDS
(KEY 33)
HEX NUTS
(KEY 34)
WASHER
(KEY 78)
Figure 6. Digital Level Controller Mounting on Sensor in High Temperature Applications
HEAT INSULATOR
REQUIRED
70
0 20 40 60 80 100 120 140 160
010 20
-20 -10 30 40 50 60
400
300
200
100
0
0
400
800
-325
AMBIENT TEMPERATURE (_C)
STANDARD TRANSMITTER
AMBIENT TEMPERATURE (_F)
HEAT INSULATOR
REQUIRED
TOO
HOT
NOTES:
1 FOR PROCESS TEMPERATURES BELOW -29_C (-20_F) AND ABOVE 204_C (400_F)
SENSOR MATERIALS MUST BE APPROPRIATE FOR THE PROCESS - SEE TABLE 5.
2. IF AMBIENT DEW POINT IS ABOVE PROCESS TEMPERATURE, ICE FORMATION MIGHT CAUSE
INSTRUMENT MALFUNCTION AND REDUCE INSULATOR EFFECTIVENESS.
39A4070‐B
A5494‐1
425
80
-100
-200
176
-20-40
-40 -30
TOO
COLD
1
NO HEAT INSULATOR NECESSARY
Figure 7. Guidelines for Use of Optional Heat Insulator Assembly
PROCESS TEMPERATURE (_F)
PROCESS TEMPERATURE (_C)
Note
Measurement errors can occur if the torque tube assembly is bent or misaligned during installation.

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DLC3020f Digital Level Controller
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1. When mounting a DLC3020f on a 249 sensor, secure the shaft extension to the sensor torque tube shaft via the
shaft coupling and set screws, with the coupling centered as shown in figure 6.
2. Slide the access handle to the locked position to expose the access hole. Press on the back of the handle as shown in
figure 2 then slide the handle toward the front of the unit. Be sure the locking handle drops into the detent.
3. Remove the hex nuts from the mounting studs.
4. Position the insulator on the digital level controller, sliding the insulator straight over the mounting studs.
5. Install four washers (key 78) over the studs. Install the four hex nuts and tighten.
6. Carefully slide the digital level controller with the attached insulator over the shaft coupling so that the access hole
is on the bottom of the digital level controller.
7. Secure the digital level controller and insulator to the torque tube arm with four cap screws.
8. Tighten the cap screws to 10 NSm (88.5 lbfSin).
Electrical Connections
The following describes how to make fieldbus connections to the digital level controller.
WARNING
To avoid personal injury resulting from electrical shock, do not exceed the maximum input voltage specified in table 4 or on
the product nameplate. If the input voltage specified differs, do not exceed the lowest specified maximum input voltage.
WARNING
Select wiring and/or cable glands that are rated for the environment of use (such as hazardous area, ingress protection and
temperature). Failure to use properly rated wiring and/or cable glands can result in personal injury or property damage
from fire or explosion
Wiring connections must be in accordance with local, regional, and national codes for any given hazardous area approval.
Failure to follow the local, regional, and national codes could result in personal injury or property damage from fire or
explosion.
Personal injury or property damage caused by fire or explosion may occur if this connection is attempted in a potentially
explosive atmosphere or in an area that has been classified as hazardous. Confirm that area classification and atmosphere
conditions permit the safe removal of the terminal box cover before proceeding
Fieldbus Connections
The digital level controller is normally powered over the bus from a fieldbus 9 to 32 volt power supply and can be
connected to the segment using field wiring. Refer to the site preparation guide for proper wire types, termination,
length, etc. for a fieldbus segment.
Note
As shipped from the factory, the DLC3020f will have the transducer block mode set Out of Service. See the Configuration section
for information on setup and calibration and placing the instrument in service. The initial value for all blocks are shown in the
parameter list for each block in the Blocks section.

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1. Remove the terminal box cover (key 6) from the terminal box (key 5).
2. Bring the field wiring into the terminal box. When applicable, install conduit using local and national electrical codes
which apply to the application.
3. Connect one wire from the control system output card to the LOOP + terminal in the terminal box as shown in
figure 8. Connect the other wire from the control system output card to the LOOP - terminal. The instrument is not
polarity sensitive.
WARNING
Personal injury or property damage, caused by fire or explosion, can result from the discharge of static electricity. Connect
a 14 AWG (2.08 mm2) ground strap between the digital level controller and earth ground when flammable or hazardous
gases are present. Refer to national and local codes and standards for grounding requirements.
4. As shown in figure 8, ground terminals are available for connecting a safety ground, earth ground, or drain wire. The
safety ground terminal is electrically identical to the earth ground. Make connections to these terminals following
national and local codes and plant standards.
5. Replace and tighten the terminal box cover, ensuring that it is weather‐tight; engage the optional set screw lock if
required.
SAFETY GROUND
LOOP+
LOOP-
RTD
CLIP‐ON +
CLIP‐ON -
SIMULATE ENABLE
Figure 8. Terminal Box Assembly

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Communication Connections
WARNING
Personal injury or property damage caused by fire or explosion may occur if this connection is attempted in a potentially
explosive atmosphere or in an area that has been classified as hazardous. Confirm that area classification and atmosphere
conditions permit the safe removal of the terminal box cap before proceeding.
Note
Host system device manager interfaces, such as Emerson's AMS Device Manager or an Emerson Device Communicator
communicate directly with the device.
A FOUNDATION fieldbus communicating device, such as an Emerson Device Communicator, interfaces with the
DLC3020f from any wiring termination point in the segment. If you choose to connect the fieldbus communicating
device directly to the instrument, attach the device to the LOOP + / - clip‐on connections inside the terminal box to
provide local communications with the instrument.
Accessing Configuration and Calibration Procedures
Navigation paths for Configuration and Calibration procedures are included for both AMS Device Manager and the
Device Communicator.
For example, to access Guided Calibrations:
AMS Device Manager Configure > Calibrate > Guided Calibrations
Device Communicator Configure > Calibrate > Full Calibration (Bench) or Full Calibration (Field)
Menu selections are shown in italics, e.g., Full Calibration (Field).

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Configuration
Note
This quick start guide documents procedures in AMS Device Manager 10.5 and later. Earlier versions of AMS Device Manager
contain the same procedures and methods, but access is through the block in which they reside.
Note
The primary transducer block must be set to out of service before the device can be configured.
When using AMS Device Manager 10.1 and earlier go to Target Mode in Block Modes tab to set the primary transducer block in and
out of service. Refer to figure 9.
SET THE TARGET
MODE TO OUT
OF SERVICE
CONFIGURE
BLOCK MODES
Figure 9. Block Modes Tab (AMS Device Manager 10.1 and earlier)
Guided Setup
AMS Device Manager Configure > Guided Setup
Device Communicator Configure > Instrument Setup
Access Instrument Setup from the Guided Setup tab, as shown in figure 10, for sensor, device and process fluid setup.
Follow the prompts to setup the DLC3020f.

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GUIDED SETUP INSTRUMENT SETUP
CONFIGURE
Figure 10. Guided Setup
Manual Setup
AMS Device Manager Configure > Manual Setup
Device Communicator Configure > Manual Setup
The Device, Process Fluid, Instrument Display, Snap Acting Control, and Options tabs are accessible through Manual Setup.
Note
An error will be generated if the instrument is put back in service without applying device configuration changes; you must apply
changes before putting the instrument back In Service. To clear an error, set the Mode to Out of Service, select Apply, then put
back In Service.
Device
Select the Device tab (figure 11) to access Variable Configuration, Sensor Limits, Sensor Hardware Information, Sensor
Units, Mode, Sensor Parameters, Instrument Mount Position, and Torque Tube.
Variable Configuration
Type of Measurement— Level or Interface
Primary Value Range High— defines the maximum operational end point for reported PV.
Primary Value Range Low— defines the minimum operational end point for reported PV. Default is above zero.

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CONFIGURE
MANUAL SETUP
DEVICE TAB SELECT UNIT SYSTEM SENSOR PARAMETERS
VARIABLE
CONFIGURATION
SENSOR LIMITS
INSTRUMENT
MOUNT POSITION
TORQUE TUBE
SENSOR HARDWARE
INFORMATION
Figure 11. Configure > Manual Setup > Device
Primary Value Offset— the constant offset applied to the level/interface measurement.
Primary Value Range Units— units for PV, PV Range, and Sensor Limits.
Sensor Limits
Upper Sensor Limit— Indicates the maximum usable value for the Primary Value Range High.
Lower Sensor Limit— Indicates the minimum usable value for the Primary Value Range Low.
The Upper and Lower Sensor Limit limit what the DLC3020f can read; values above and below these limits will not be
detected by the instrument. This is a dynamic reading based on temperature used when Temperature Compensation
is enabled.
Sensor Hardware Information
Enter the following information by selecting Sensor Hardware Information.
Model Type, End Connection Style, End Connection Type, Body Material, Pressure Rating, Mechanical Sensor Serial
Number, Displacer Size Displacer Material, Displacer Rating, G Dimension, Torque Tube Material, Torque Tube Wall,
Heat Insulator.
Sensor information is typically found on the sensor nameplate.
Note
This data is informational only and is not used in calibration or PV calculations.

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Sensor Units
Select the appropriate sensor units for your application.
Note
Default units from factory are SI (Metric).
If you choose Mixed Units you must select the units for each sensor parameter.
Unit System—English Units, Metric/SI Units, Mixed Units
Length Units—mm, cm, m, in, or ft
Volume Units—mm3, ml, L, in3
Weight Units—oz, lb, g, or kg
Temperature Units—_F, _R, _C, or K
Torque Rate Units—NSm/deg, dyneScm/deg, lbfSin/deg
Fluid Density Units—degAPI, SGU (Specific Gravity) lb/in3,lb/ft3, lb/gal, degBaum hv, degBaum lt, kg/m3, g/cm3, kg/L,
g/ml, or g/L
Sensor Parameters
Enter the sensor parameters. Selections shown in the drop down are based on the sensor units chosen.
Displacer Length
Displacer Volume
Displacer Weight
Driver Rod Length
Instrument Mount Position
Note
Table 1 provides the driver rod length of 249 sensors with vertical displacers. If your sensor isn't included in table 1 refer to figure 12
to determine the driver rod length.

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Table 1. Driver Rod Length(1)
Sensor Type(2) Driver Rod
mm Inch
249 203 8.01
249B 203 8.01
249BF(3) 203 8.01
249BP 203 8.01
249C 169 6.64
249CP 169 6.64
249K 267 10.5
249L 229 9.01
249N 267 10.5
249P(3)
(CL125-CL600) 203 8.01
249P(3)
(CL900-CL2500) 229 9.01
249V (Special)(1)(3) See serial card See serial card
249V (Std)(3) 343 13.5
249VS 343 13.5
249W 203 8.01
1. Driver rod length is the perpendicular distance between the vertical centerline of the displacer and the horizontal centerline of the torque tube. See figure 12. If you
cannot determine the driver rod length, contact your Emerson sales office and provide the serial number of the sensor.
2. This table applies to sensors with vertical displacers only. For sensor types not listed, or sensors with horizontal displacers, contact your Emerson sales office for the
driver rod length. For other manufacturers' sensors, see the installation instructions for that mounting.
3. 249BF, 249P, and 249V sensors are only available in Europe.
HORIZONTAL CL
OF TORQUE TUBE
VERTICAL CL
OF DISPLACER
DISPLACER ROD LENGTH
VESSEL
Figure 12. Method of Determining Driver Rod Length from External Measurements
Torque Tube
Torque Tube Material—select the material of the torque tube being used. See the sensor nameplate.
View Torque Tube Table—select View Torque Tube Table to see the torque tube gain over the entire temperature range
and the compensated torque rate.

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Process Fluid
Select the Process Fluid tab (figure 13) to access Process Fluid, Temperature Compensation, and Mode.
MANUAL SETUP
PROCESS FLUID TAB TEMPERATURE
COMPENSATION
VIEW DENSITY PARAMETERS
CHANGE
PROCESS FLUID
PROCESS FLUID
MODE
CONFIGURE
Figure 13. Configure > Manual Setup > Process Fluid
Note
The instrument software contains density tables for common categories of fluids. Custom tables can be built if needed.
Some fluid categories have wide variations within fluid types. Select the fluid category and then the fluid type.
Input the operating process temperature and the density. The DLC3020f will load the density table that best matches the fluid type
at operating conditions.
Process Fluid
Fluid Name
Density In Use
Change Process Fluid —Select Change Process Fluid to begin the process to properly select the corrections for density
of the fluid that occur at operational temperature.
If Temperature Compensation is selected, the proper density table for use in temperature compensation is selected. If
Temperature Compensation is not needed, enter the operating conditions and name the fluid.

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Temperature Compensation
If Temperature Compensation is selected, provide the following information:
Temperature Input—select None, Manual, AO Block, or RTD.
Temperature compensation, when enabled, can come from a manually entered temperature, a temperature from a
fieldbus transmitter (AO block) or a temperature from an RTD.
Temperature for Compensation—the temperature in use for fluid density and torque tube material compensation.
View Fluid Density Table
Select View Fluid Density Table to see information concerning the temperature effect on process fluid density.
Instrument Display
Select the Instrument Display tab (figure 14) to access Display Option, Device Display Primary Value Units, Decimal Places,
Display Primary Value Offset, and Scrolling Message Control.
CONFIGURE
MANUAL
SETUP
INSTRUMENT
DISPLAY TAB
DISPLAY OPTION
DEVICE DISPLAY PRIMARY
VALUE UNITS
DECIMAL PLACES
DISPLAY PRIMARY VALUE OFFSET
SCROLLING
MESSAGE CONTROL
MODE
Figure 14. Configure > Manual Setup > Instrument Display
Display Option
Select Primary Value Only, % Range, or Primary Value / % Range to be displayed on the DLC3020f LCD.
Device Display Primary Value Units
Select the units for the device display Primary Value.

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Decimal Places
Enter the number of desired decimal places for the device display.
Display Primary Value Offset
Enter the PV Offset to apply it to the LCD readout.
Scrolling Message Control
Messages that can be scrolled on the LCD screen. Choose from; Primary Value Bad, Primary Value Uncertain, Failed
Alert, Maintenance Alert, or Advisory Alert.
Snap Acting Control
Select the Snap Acting Control tab (figure 15) to access Snap Acting Control,Primary Value,Primary Value Percent,DI1
Trip Point Settings,DI2 Trip Point Settings,and Mode.
MANUAL
SETUP
SNAP ACTING
CONTROL TAB DI1 TRIP POINT SETTINGS
MODE
SNAP ACTING CONTROL
CONFIGURE
DI2 TRIP POINT
SETTINGS
PRIMARY VALUE
PRIMARY VALUE
PERCENT
Figure 15. Configure > Manual Setup > Snap Acting Control
Snap Acting Control
The DLC3020f can act as a snap acting controller while simultaneously reporting PV. When Snap Acting Control is
enabled, either one or both of the DI blocks will act as controllers and output a 0 (inactive) or 1 (active), depending on
if the level has gone past (either rising or falling) a user specified level value.
Snap Acting Control—enable or disable Snap Acting Control.
Snap Units—select the desired snap unit in engineering units; length units or percent (%).