® LA19 Series Ricochet Battery Powered Level Transmitter and

® LA19 Series Ricochet Battery Powered Level Transmitter and
Warranty, Service & Repair
To register your product with the manufacturer, fill out the enclosed
warranty card and return it immediately to:
Flowline Inc.
10500 Humbolt Street
Los Alamitos, CA 90720.
If for some reason your product must be returned for factory service, contact Flowline Inc. to receive a Material Return
Authorization number (MRA) first, providing the following information:
®
LA19 Series Ricochet
Battery Powered Level
Transmitter and Display
1. Part Number, Serial Number
2. Name and telephone number of someone who can answer
technical questions related to the product and its application.
3. Return Shipping Address
4. Brief Description of the Symptom
5. Brief Description of the Application
Once you have received a Material Return Authorization number,
ship the product prepaid in its original packing to:
Flowline Factory Service
MRA _____
10500 Humbolt Street
Los Alamitos, CA 90720
To avoid delays in processing your repair, write the MRA on the
shipping label. Please include the information about the malfunction with your product. This information enables our service technicians to process your repair order as quickly as possible.
Version 1.0A
© 2001 FLOWLINE Inc.
All rights reserved.
Manual # LA900008
2/01
WARRANTY
Flowline warrants to the original purchaser of its products that such
products will be free from defects in material and workmanship under
normal use and service for a period which is equal to the shorter of
one year from the date of purchase of such products or two years from
the date of manufacture of such products.
Products which are thought to be defective must be shipped prepaid
and insured to Flowline’s factory or a designated service center (the
identity and address of which will be provided upon request) within
30 days of the discovery of the defect. Such defective products must
be accompanied by proof of the date of purchase.
This warranty covers only those components of the products which
are non-moving and not subject to normal wear. Moreover, products
which are modified or altered, and electrical cables which are cut to
length during installation are not covered by this warranty.
Flowline further reserves the right to unilaterally wave this warranty
and to dispose of any product returned to Flowline where:
a. There is evidence of a potentially hazardous material present
with product.
b. The product has remained unclaimed at Flowline for longer than
30 days after dutifully requesting disposition of the product.
Flowline’s obligation under this warranty is solely and exclusively
limited to the repair or replacement, at Flowline’s option, of the products (or components thereof) which Flowline’s examination proves to
its satisfaction to be defective. FLOWLINE SHALL HAVE NO
OBLIGATION FOR CONSEQUENTIAL DAMAGES TO PERSONAL OR REAL PROPERTY, OR FOR INJURY TO ANY PERSON.
This warranty does not apply to products which have been subject to
electrical or chemical damage due to improper use, accident, negligence, abuse or misuse. Abuse shall be assumed when indicated by
electrical damage to relays, reed switches or other components. The
warranty does not apply to products which are damaged during shipment back to Flowline’s factory or designated service center or are
returned without the original casing on the products. Moreover, this
warranty becomes immediately null and void if anyone other than service personnel authorized by Flowline attempts to repair the defective
products.
THERE ARE NO WARRANTIES WHICH EXTEND BEYOND
THE DESCRIPTION ON THE FACE OF THIS WARRANTY. This
warranty and the obligations and liabilities of Flowline under it are
exclusive and instead of, and the original purchaser hereby waives, all
other remedies, warranties, guarantees or liabilities, express or
implied. EXCLUDED FROM THIS WARRANTY IS THE IMPLIED
WARRANTY OF FITNESS OF THE PRODUCTS FOR A PARTICULAR PURPOSE OR USE AND THE IMPLIED WARRANTY OF
MERCHANT ABILITY OF THE PRODUCTS.
This warranty may not be extended, altered or varied except by a written instrument signed by a duly-authorized officer of Flowline, Inc.
SPECIFICATIONS
Step One
Transmitter:
Dimensions:
0.5 to 12' (15.2 cm to 3.6 m)
± .25% of span (air)
0.125” (3 mm)
50 kHz (nominal)
3 pulses per second
8° conical
0.5’ (15.2 cm) minimum
12 - 36 VDC
600 Ohms @ 36 VDC
4-20 mA
Reverts to 22 mA
Power and fail-safety
F: -40º to 140º
C: -40º to 60º
Temp. compensation: Automatic over entire range
Pressure rating:
30 psi (2 bar) @ 25 °C., derated @ 1.667 psi
(0.113 bar) per °C. above 25 °C.
Enclosure rating:
NEMA 4X (IP65)
Enclosure material: Polypropylene, U.L. 94VO
Transducer materials: PVDF
Mounting threads:
2” NPT (2" G)
Mounting gasket:
Viton (2" G) metric only
Conduit connection: 1/2” NPT
CE compliance:
EN 50082-2 immunity
EN 55011 emission
2" NPT (2" G)
2.8" (71 mm)
Range:
Accuracy:
Resolution:
Frequency:
Pulse rate:
Beam width:
Dead band:
Supply voltage:
Max loop resistance:
Signal output:
Fail-safe diagnostics:
LED indication:
Temperature rating:
1.3"
2.7" (69 mm) (32 mm)
4.0" (102 mm)
5.4" (137 mm)
D
A
B
TOP VIEW
Max. input current:
Max. voltage drop:
Accuracy:
Connections:
Op. temp. range:
Enclosure:
Beam Cone Radius:
4-20 mA
Sharp, 0.5” high LCD, 3½ digits, 1999, User
selectable decimal point
2 step, Non-interacting zero and span.
4 mA input: -500 to +500; 20 mA input:
between 20 to 2000 above 4 mA display
30 mA
1.5 VDC @ 20 mA;
±0.1% of span, ±1 count.
Removable screw terminal block (provided).
-40 to 85 °C
High impact-resistant ABS plastic body, clear
ABS plastic cover; NEMA 4X 1/2” conduit
hole provided at base. May be provided on
back for panel mounting applications, call
factory for details.
Internal 18 VDC supply (2 x 9 VDC batteries), powers the 4-20 mA loop directly.
Range
Radius
Radius
Feet
Inches
cm
1
2
3
4
5
6
7
8
9
10
11
12
1.2
2.1
2.9
3.7
4.9
5.4
6.2
7.1
7.9
8.8
9.6
10.4
3.1
5.2
7.3
9.5
11 . 6
13.7
15.9
18.0
20.1
22.3
24.4
26.5
Ricochet Faceplate:
12’ Range
POWER
8° Cone
(-) (+)
GND
Power supply:
END VIEW
12-36 VDC
Calibration:
Calib. range:
F
C
Display:
Input:
Display:
E
Wall Mounting
Holes Beneath
Cover Screws
RICOCHET
Alphasonic
Transmitter
4-20 mA
Temperature/Pressure Derating
Unacceptable
Range
30
25
20
15
Acceptable
Range
10
05
00
-40
-20
00
20
Temperature (°C)
40
60
Maximum Temperature/Voltage Derating
Continuous 20 mA Curve
100
Unacceptable
Range
80
60
Acceptable
Range
40
20
0
12
16
20
24
28
32
Operating Voltage (VDC)
36
Max. Series Resistance (Ohms)
35
Ambient Sensor Temperature (°C)
Operating Pressure (psi)
Radius
Flowline Ricochet™
Electrical Loading Limits
700
600
500
400
300
200
100
000
12
Unacceptable
Range
Acceptable
Range
18
24
30
Supply Volyage (VDC)
36
SAFETY PRECAUTIONS
Step Two
ASSEMBLY
Step Three
About this Manual:
Disassembly (Display)
PLEASE READ THE ENTIRE MANUAL PRIOR TO
INSTALLING OR USING THIS PRODUCT. This manual
includes information on the Ricochet Battery Powered Transmitter
and Display for Bulk Tanks from FLOWLINE: LA19-5001 and
LA19-5061. Please refer to the part number located on the sensor
label to verify the exact model which you have purchased.
The removable screw terminal connector is located on the lower circuit board. To access these input terminals it is necessary to remove
the display board from the input signal board. Be careful of the battery supply packaged within the meter.
1. First remove the enclosure cover.
2. Next, loosen the 2 screws that hold the display board to the standoffs.
3. Rotate the display board so the right side comes off the standoff
first, proceed to remove the display board from both standoffs. Be
careful to avoid contact of the display with rough surfaces.
4. The display board may be disconnected from the ribbon cable
simply by pulling up on the ribbon cable connector located above
the display.
5. Connect a 4-20 mA input signal to terminal J5 located on the input
signal board as shown below.
User’s Responsibility for Safety:
FLOWLINE manufactures a wide range of liquid level sensors and
technologies. While each of these sensors is designed to operate in
a wide variety of applications, it is the user’s responsibility to select
a sensor model that is appropriate for the application, install it
properly, perform tests of the installed system, and maintain all
components. The failure to do so could result in property damage
or serious injury.
Proper Installation and Handling:
Because this is an electrically operated device, only properlytrained staff should install and/or repair this product. Use a proper
sealant with all installations. Note: Always install the 2” Viton gasket with the LA19-5061. The G threaded version of the Ricochet
will not seal unless the gasket is installed properly. Never overtighten the transmitter within the fitting. Always check for leaks
prior to system start-up.
When finished, re-assemble the display using steps 1 - 5 in reverse.
When re-assembling the circuit boards be careful NOT to over-tighten the screws.
Screw Terminal
Connector J5
Wiring and Electrical:
A battery supply of 18 VDC is used to power the LA19 transmitter
and display. The system should never exceed a maximum of 36
volts DC. Electrical wiring of the sensor should be performed in
accordance with all applicable national, state, and local codes.
Ribbon Cable
Connector
Input Signal Board
Material Compatibility:
The Ricochet™ transmitter housing is made of Polypropylene
(PP). The transducer is made of Polyvinylidene Fluoride (PVDF).
The display is made of a High impact-resistant ABS plastic. Make
sure that the model which you have selected is chemically compatible with the application liquids it will contact.
Enclosure:
While the transmitter and display are liquid-resistant when
installed properly, it is not designed to be immersed. It should be
mounted in such a way that the enclosure and diaphragm do not
come into contact with fluid.
Make a Fail-Safe System:
Design a fail-safe system that accommodates the possibility of
transmitter or power failure. In critical applications, FLOWLINE
recommends the use of redundant backup systems and alarms in
addition to the primary system.
Display Board
Disassembly Transmitter:
The transmitter arrives from the factory pre-calibrated and pre-assembled. Use the following instructions below for wiring to the LA19.
1. First, remove the cap of the transmitter:
2. Look for the terminal block with two terminals.
3. Remove the terminal block to wire the LA19. The terminal to the
right is positive and the terminal to the left is negative.
When finished attaching the wires, assemble the LA19 using steps 1
- 3 in reverse.
Flammable, Explosive and Hazardous Applications:
POWER
The LA19 transmitter systems should not be used within flammable or explosive applications.
12-36 VDC
GND
(-) (+)
Warning
Always install the 2" Viton gasket with all versions of the LA195061. The G threaded version of the Ricochet will not seal unless
the gasket is installed properly.
4-20 mA
RICOCHET
Alphasonic
Transmitter
WIRING
INSTALLATION
Step Four
Step Five
The LA19 comes from the factory pre-wired. A sample of the wiring
is shown below.
The transmitter for the LA19 may be installed through the top wall of
a tank. Installation requires a 2" NPT fitting or blind flange.
Screw Terminal Connector
1. Install the appropriate 2" fitting in the top wall of the tank. Prior
to installation, make sure that the fitting has been installed properly and checked for leaks. Use a proper sealant at the time of
installation to ensure a liquid-tight seal. Secondly, make sure that
the fittings threads are not damaged or worn.
S-
-
+
+
+
-
S+
Battery #1
Battery #2
Moment Switch
+
Transmitter
(LA20-50_1)
2. Insert the Transmitter into the fitting and tighten to hand tight.
3. Always check for leaks prior to system start-up. To ensure proper
installation, a complete leak test and simulation of actual process
conditions should be preformed.
Fitting Installation
Flange Installation
Battery Replacement
Note that there are two 9 VDC batteries within the display of the
LA19. These batteries provide the power for the LA19 circuit. To
replace the batteries, follow the procedure below:
1. First follow the disassembly procedure in Step 3.
2. Gently lift the batteries from the PCB.
3. Remove the batteries from the clips.
4. Remove the protective covers on both batteries and place them on
the replacement batteries.
5. Place the new batteries in the clips. Please note the polarity of the
terminals.
6. Gently replace the batteries on the PCB. Make sure the protective
covers have been placed on the new batteries before
7. Follow the disassembly procedure in reverse order.
Flange Chart
Flange
Flange
Inner Diameter
Inch (cm)
3 (7.6)
4 (10.2)
5 (12.7)
6 (15.2)
7 (17.8)
8 (20.3)
Depth
Inch (cm)
3 (7.6)
7 (17.8)
11 (27.9)
15 (38.1)
19 (48.3)
26 (66.0)
Depth
Inner Diameter
Observe the Flange
Chart to the left to determine the maximum
depth for a flange installation.
Warning
Do not install the Ricochet™ in pressurized applications above
30 psi.
Always install the 2" Viton gasket with all versions of the LA195061. The G threaded version of the Ricochet will not seal unless
the gasket is installed properly and checked for leaks.
Use a proper sealant at the time of installation to ensure a liquidtight seal. Secondly, make sure that the fittings threads are not
damaged or worn.
Do not install
LA19 at an
angle
Avoid
Interference from
side of tank
Avoid
Interference from
obstructions in
tank
LA19 will not
operate in
vacuum
VACUUM
CALIBRATION
CALIBRATION
Step Six
Step Seven
The LA19 is factory calibrated with a fixed measurement span of 12
feet. The 4 mA position is located 144" from the transducer face of
the level transmitter. The 20 mA position is located 6 inches from the
transducer face. Refer to the current to distance and distance to current conversion charts below for reading the current output.
CALIBRATION
The display must be calibrated to both a low level (LO) and high level
(HI) in the tank. The LO setting is made by the LO potentiometer
(R11) located below the display. The HI setting is made by the HI
potentiometer (R9) located to the right of the display. Simply set the
level of the tank to its lowest position and adjust the LO control to
display the desired reading. Next, set the level of the tank to its highest position and adjust the HI control to display the desired reading.
Complete the calibration procedure by making any minor adjustments to the LO and HI controls.
Ribbon Cable
Connector
6"
JP1
(15.2 cm)
20 mA
Decimal Point
Jumper Array
HI Calibration Control
144"
HI
R9
(3.6 m)
138"
(3.5 m)
LO Calibration Control
R 11
LO
Balance Control
(factory adjust only)
4 mA
Distance to Current Conversion Chart (Nominal)
Distance Current
Distance Current Distance Current
inches
mA
inches
mA
inches
mA
06
12
18
24
30
36
42
48
20.0
19.3
18.6
17.9
17.2
16.5
15.8
15.1
54
60
66
72
78
84
90
96
14.4
13.7
13.0
12.3
11.7
11.0
10.3
09.6
102
108
114
120
126
132
138
144
08.9
08.2
07.5
06.8
06.1
05.4
04.7
04.0
Distance
Current
meters
mA
meters
mA
meters
mA
0.15
0.20
0.40
0.60
0.80
1.00
1.20
20.0
19.8
18.9
18.0
17.0
16.1
15.2
1.40
1.60
1.80
2.00
2.20
2.40
2.60
14.3
13.4
12.5
11.6
10.7
09.7
08.8
2.80
3.00
3.20
3.40
3.60
3.66
07.9
07.0
06.1
05.2
04.3
04.0
Distance Current Distance Current
LED Indication
The Ricochet™ features a single LED indicator which is used for
power and fail-safe indication. During normal operation, the LED
will be ON continuously to indicate that the transmitter has power and
a strong echo signal return strength.
POWER
LED
12-36 VDC
(-) (+)
GND
Should the LED begin to FLASH, it indicates that the transmitter has no signal return
strength and the device has gone into a failsafe condition. During the fail-safe condition, the current will increase up to 22 mA
and hold until the acoustic signal is reacquired. Once re-acquired, the LED will
turn back ON continuously and the current
will indicate the appropriate measured
value.
4-20 mA
RICOCHET
Alphasonic
Transmitter
Example: For a tank than is 100” tall with a full level of 90”.
1. Set the level to the empty position.
2. Adjust LO potentiometer to 0.0 on the display.
3. Set level to the full position (90” of liquid).
4. Adjust HI potentiometer to 90.0 on the display.
To show gallons, calculate the volume of the tank in gallons at the 90”
level. Substitute the new gallon measurement for the 90.0 value
when setting the HI potentiometer.
An optional method of calibration is to point the level transmitter at
a fixed object outside of the tank. First, measure the distance from
the bottom of the transducer to the lowest and highest level of liquid.
Next, place the transmitter at the lowest level distance and adjust the
LO potentiometer to the desired setting. Then, place the transmitter
at the highest setting and adjust the HO potentiometer to the desired
setting. Complete the calibration procedure by making any minor
adjustments to the LO and HI controls.
DECIMAL POINT SELECTION
The decimal point jumper array (JP1) is located to the upper right corner of the display board. Place a jumper across the bottom pins for a
display of of 199.9, across the middle pins for a display of 19.99, and
across the top pins for a display of 1.999.
MAINTENANCE
Step Eight
General:
The LA19 battery powered level transmitter and display itself
requires no periodic maintenance except cleaning as required. It is the
responsibility of the user to determine the appropriate maintenance
schedule, based on the specific characteristics of the application liquids.
Cleaning Procedure:
1. Power: Make Sure that all power to the transmitter, controller
and/or power supply is completely disconnected.
2. Sensor Removal: In all through-wall installations, make sure that
the tank is drained well below the sensor prior to removal.
Carefully, remove the sensor from the installation.
3. Cleaning the Sensor: Use a soft bristle brush and mild detergent,
carefully wash the transducer of the LA20. Do not use a harsh
abrasive such as steel wool or sandpaper, which might damage the
transmitters surface. Do not use incompatible solvents which may
damage the PVDF transducer or the transmitters PP body.
4. Sensor Installation: Follow the appropriate steps of installation as
outlined in the installation section of this manual.
Was this manual useful for you? yes no
Thank you for your participation!

* Your assessment is very important for improving the work of artificial intelligence, which forms the content of this project

Download PDF

advertisement