Bindicator VRF II Series Manuale utente
IOM
VRF180713 Rev. A
VRF®II Series
Installation & Operation Manual
IOM
VRF180913 Rev. A
VRF®II Series
Installation & Operation Manual
CONTENTS
I. HANDLING & STORAGE .................................................................................................................. 1
Inspection and Handling
Disposal and Recycling
Storage
II. GENERAL SAFETY........................................................................................................................... 2
Authorized Personnel
Use
Misuse
III. PRODUCT DESCRIPTION ............................................................................................................... 3
Function
Applications
Features
TechnicalSpecications
Approvals
IV. MECHANICAL INSTALLATION......................................................................................................... 5
Guidelines
Mounting Considerations
Figure 1. Mounting Orientation
Figure 2. Mounting in Relation to Flow of Material
V. ELECTRICAL INSTALLATION .......................................................................................................... 6
General Safety
Disconnect Requirements for Permanently Installed Equipment
Protective Earth Ground
Electrical Connections
Conduit Cable Connection
VRF II Series Integral Model Only
VRF II Series Remote Model Only
Figure 3. VRF II Series - Integral Enclosure with Cover Removed - STANDARD
Figure 4. VRF II Series - Integral Enclosure with Cover Removed - ADVANCED
Figure 5. Power and Ground Connections
Figure 6. Main Relay Connections
Figure 7. Auxiliary Relay Connections - ADVANCED ONLY
Figure 8. VRF II Series - Remote Enclosure with Cover Removed - STANDARD
Figure 9. VRF II Series - Remote Enclosure with Cover Removed - ADVANCED
Figure 10.VRF II Series - Remote Connection Diagram
SAFETY SYMBOLS
WARNING:
IDENTIFIES CONDITIONS OR PROCEDURES, WHICH IF NOT FOLLOWED, COULD
RESULT IN SERIOUS INJURY. RISK OF ELECTRICAL SHOCK.
CAUTION:
IDENTIFIES CONDITIONS OR PROCEDURES, WHICH IF NOT FOLLOWED, COULD
RESULT IN SERIOUS DAMAGE OR FAILURE OF THE EQUIPMENT.
VI. SET-UP ........................................................................................................................................... 13
Operation
Product Overview - STANDARD
Figure 11. Switch Functions
Product Overview - ADVANCED
Figure 12. Switch Functions
Pro-Guard®
Fail-Safe Selection
Time Delay Settings - STANDARD
Time Delay Settings - ADVANCED
Sensitivity Settings - STANDARD
Sensitivity Settings - ADVANCED
Calibration - Automatic
Calibration - Manual - ADVANCED ONLY
Calibration - Test - ADVANCED ONLY
Figure 13. Magnetic Fob
VII. MAINTENANCE .............................................................................................................................. 19
VIII.
TROUBLESHOOTING .................................................................................................................... 19
IX. DIMENSIONAL DRAWINGS........................................................................................................... 20
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VRF180913 Rev. A 1
I. HANDLING AND STORAGE
SAVE THESE INSTRUCTIONS
INSPECTION AND HANDLING
Do not dispose of the carton or packing materials.
Each package should be inspected upon receipt for damage that may have occurred due to mishandling during
shipping. If the unit is received damaged, notify the carrier or the factory for instructions. Failure to do so may
void your warranty. If you have any problems or questions, consult Customer Support at 800-778-9242.
DISPOSAL AND RECYCLING
This product can be recycled by specialized companies and must not be disposed of in a municipal collection
site. If you do not have the means to dispose of properly, please contact for return and disposal instructions or
options.
STORAGE
If the device is not scheduled for immediate installation following delivery, the following steps should be
observed:
1. Following inspection, repackage the unit into its original packaging.
2. Select a clean dry site, free of vibration, shock and impact hazards.
3. If storage will be extended longer than 30 days, the unit must be stored at temperatures between
32º and 158º F (0º to 70° C) in non-condensing atmosphere with humidity less than 85%.
CAUTION: DO NOT STORE A NON-POWERED UNIT OUTDOORS FOR A PROLONGED PERIOD.
VRF®II Series
Installation & Operation Manual
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II. GENERAL SAFETY
AUTHORIZED PERSONNEL
Allinstructionsdescribedinthedocumentmustbeperformedbyauthorizedandqualiedservicepersonnel
only. Before installing the unit, please read these instructions and familiarize yourself with the requirements and
functions of the device. The required personal protective equipment must always be worn when servicing this
device.
USE
The device is solely intended for use as described in this manual. Reliable operation is ensured only if the
instrumentisusedaccordingtothespecicationsdescribedinthisdocument.Forsafetyandwarranty
reasons,useofaccessoryequipmentnotrecommendedbythemanufacturerormodicationofthisdeviceis
explicitlyforbidden.Allservicingofthisequipmentmustbeperformedbyqualiedservicepersonnelonly.This
device should be mounted in locations where it will not be subject to tampering by unauthorized personnel.
MISUSE
Improper use or installation of this device may cause the following:
• Personalinjuryorharm
• Applicationspecichazardssuchasvesseloverll
• Damagetothedeviceorsystem
If any questions or problems arise during installation of this equipment, please contact Customer Support at
800-778-9242.
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VRF180913 Rev. A 3
III. PRODUCT DESCRIPTION
FUNCTION
The VRF®II Series is a point level sensor used to detect the presence or absence of material at a point inside
a tank, bin, or other vessel. Material coming in contact with the unit’s probe causes its output relay to change
state, thereby indicating the presence of material.
Operation of the VRF II Series is based upon the Bindicator®Opti-Sense™ technology to measure changes
in the impedance of the unit’s probe with respect to the ground. At the heart of the unit is a network analyzer
with a built in DSP (Digital Signal Processor) that continuously monitors the probe’s impedance (capacitance,
resistance, and inductance) with respect to ground. When there is a large enough change in the impedance, the
status of the output relay changes to indicate the presence or absence of the material.
APPLICATIONS
This model is ideal for the point level detection of dry bulk materials, liquids, and slurries. It is not appropriate for
conductive materials that will coat, or build up on the probe. It is ideal in the measurement of materials with a
dielectric constant as low as 1.2. Moisture content and bulk density also factor into the unit’s ability to sense low
dielectric materials. Call the manufacturer Applications Department with questions.
FEATURES
Multiplemountingcongurationsandprobesareavailabletosuitalmostanyapplication
Universalinputpower;ACorDC(seespecicationsforinputranges)
Pro-Guard®probe design
Automatic calibration EZ-CAL™ II
Adjustable time delay
Selectable fail-safe operation (high or low level)
Adjustable Sensitivity
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TECHNICAL SPECIFICATIONS
FUNCTIONAL
Power Requirements Universal (± 10%), 120-240 VAC 50/60 Hz or 24-48 VDC
Power Consumption - STANDARD 10 W AC; 3 W DC
Power Consumption - ADVANCED 11 W AC; 4 W DC
Fuse Slow Blow, 1A 300 V (Not User Serviceable)
Operating Temperature
Electronics -40° to 158° F (-40° to 70° C)
Probe -40° to 993° F (-40° to 534° C) depending on probe
Outputs
Main Relay 8 A DPDT @ 240 VAC or 30 VDC (resistive)
Auxiliary Relay - ADVANCED ONLY 0.46 A SPDT @ 150 VAC or 1 A @ 30 VDC
PERFORMANCE
Pressure Rating 150 psi (10.5 kg/cm2) with 3/4” NPT; 50 psi (3.5 kg/cm2) with 11/4” NPT
Time Delay - STANDARD Field Adjustable; 0.2-6 seconds
Time Delay - ADVANCED Field Adjustable; 0-150 seconds
Fail Safe Field Selectable; high/low level
Sensitivity - STANDARD Field Adjustable; minimum 1.5 pf
Sensitivity - ADVANCED Field Adjustable; minimum 0.5 pf
Maximum Particle Size 9/16” (14.3 mm)
PHYSICAL
Enclosure Material Polyester or Epoxy Coated Aluminum or 304 SS
Dual Conduit Entry 3/4” NPT or M20 x 1.5
Extended Pipe Material Galvanized or 316 SS
Shipping Weight Integral, non-extended 10 lb (4.5 kg)
Pollution Degree 2
Installation Category II
Altitude 6,562 ft (2,000 m)
APPROVALS & RATINGS
UL (US and Canada):
Ordinary Location Type 4X; IP66
Hazardous Location, Type 4X; IP66 (Pending)
Explosion Proof
Dust Ignition Proof
ATEX/IECex (Pending):
Dust and Gas Categories
CE
Electromagnetic Compatibility Directive
Low Voltage Directive
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VRF180913 Rev. A 5
IV. MECHANICAL INSTALLATION
WARNING: REMOVE POWER FROM THE UNIT BEFORE INSTALLING, REMOVING, OR MAKING
ADJUSTMENTS.
GUIDELINES
The following precautions should be observed when installing and operating the VRF II Series units:
• Theinstallationandwiringofthisproductmustcomplywithallnational,federal,state,municipaland
local codes that apply.
• TheVRFIISeriesisaprecisiondevice-handleitcarefullytopreventdamagetotheprobe.
• Donotallowmoisturetoentertheelectronicsenclosure.Conduitshouldslopedownwardfromthe
VRFIISerieshousing.Installdriploops(ordraintting)andsealconduitwithsiliconerubberproduct.
CAUTION: ATTEMPTING TO TIGHTEN VRF II SERIES UNITS BY ROTATING THE HOUSING OR PROBE
MAY DAMAGE THE UNIT AND VOID THE WARRANTY.
CAUTION: WHETHER MOUNTING DIRECTLY THROUGH A SIDE WALL, OR PIPE EXTENDED AND
MOUNTED VERTICALLY THOUGH THE TOP OF A VESSEL, NEVER ATTEMPT TO MOUNT THROUGH A
FULL COUPLING.
MOUNTING CONSIDERATIONS
The VRF II Series must be located at the position where level indication is desired. The probes may be mounted
through the top or side wall of the vessel. To ensure reliable operation, observe the following guidelines when
choosing the mounting location.
Figure 1. Mounting Orientation
• Donotmounttheprobedirectlyintheowofmaterial.
• Donotmounttheprobeinanareawhereitcancontactthe
vessel.
• MountprobesothatthePro-Guard®section of the probe is
fully in the tank or chute where level of product will come and
go from it.
• Ininstallationswheretherearemultipleprobes,donotmount
the probes within 12 inches (30.5 cm) of each other.
• Ifprobeswillbetipextended,contactfactoryforfurther
instructions.
• Remotecable,betweenprobeandelectronics,cannotexceed100feet(30.5m).
• Ifnecessary,useabafetoprotecttheprobefromfallingmaterial.Thebafeshouldbeplaced6to8inches
(15 to 20 cm) above the probe so that material will not become packed.
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Figure 2. Mounting In Relation To Flow of Material
YES YES
BAFFLE
YES
V. ELECTRICAL INSTALLATION
WARNING: REMOVE POWER FROM THE UNIT BEFORE INSTALLING, REMOVING, OR MAKING
ADJUSTMENTS
GENERAL SAFETY
When using electrical equipment, you should always follow basic safety precautions, including the following:
• Theinstallationandwiringofthisproductmustcomplywithallnational,federal,state,municipal,and
local codes that apply.
• Properlygroundtheenclosuretoanadequateearthground.
• Donotmodifyanyfactorywiring.Connectionsshouldonlybemadetotheterminalsdescribedinthis
section.
• AllconnectionstotheVRFIISeriesmustuseconductorswithaninsulationratingof300Vminimum,
ratedfor212ºF(105ºC),aminimumammabilityratingofVW-1,andbeofappropriategaugeforthe
voltageandcurrentrequired(seespecications).
• Donotallowmoisturetoentertheelectronicsenclosure.Conduitshouldslopedownwardfromthe
VRF II Series housing. Install drip loops and seal conduit with silicone rubber product.
DISCONNECT REQUIREMENTS FOR PERMANENTLY INSTALLED EQUIPMENT
A dedicated disconnecting device (circuit breaker) must be provided for the proper installation of the unit. If
independent circuits are used for power input and main relay outputs, individual disconnects are required.
Indice
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