Bindicator VRF-1000 Series Manual de usuario

VRF-1000 Series

Integral Electronics with Opti-Sense™

Installation, Operation,

and Maintenance Manual

VRF180000

Revision G

September 2010

CAUTION

It is essential that all instructions in this

manual be followed precisely to ensure

proper operation of the equipment.

SAFETY INFORMATION

Before installing the VRF-1000, please read these instructions and be completely familiar with the

requirements and functions of the sensor.

The VRF-1000 sensor must only be installed and operated as described in this instruction manual. Note

that other actions can cause damage for which Bindicator®does not take responsibility. If the model is

not installed correctly or used in unapproved applications, dangers may arise such as product overow.

Ensure that all personnel installing, wiring, and calibrating this device are suitably qualied. All wiring

must conform to current National Electrical Code (NEC) requirements or local electrical codes. Please

be aware that any modication of the equipment may cause injury or death.

If any questions or problems arise during the installation of this equipment, please contact the

Bindicator®Applications Department at (800) 778.9242 or (864) 574.8960.

TABLE OF CONTENTS

CHAPTER 1. PRODUCT DESCRIPTION ................................................................................................ 1

Function...................................................................................................................................................... 1

Applications................................................................................................................................................ 1

Model Code Identication .......................................................................................................................... 2

Technical Specications/Approvals............................................................................................................ 3

Dimensions................................................................................................................................................. 3

CHAPTER 2. HANDLING AND STORAGE.............................................................................................. 4

Inspection and Handling ............................................................................................................................ 4

Storage....................................................................................................................................................... 4

CHAPTER 3. MECHANICAL INSTALLATION ......................................................................................... 5

Guidelines................................................................................................................................................... 5

Mounting .................................................................................................................................................... 5

CHAPTER 4. ELECTRICAL INSTALLATION ........................................................................................... 6

Guidelines................................................................................................................................................... 6

Conduit-Cable Connection................................................................................................................... 6

Input Power .......................................................................................................................................... 6

Connection Information........................................................................................................................ 6

Connection Information/Wiring Diagram.................................................................................................... 6

CHAPTER 5. SET-UP AND CALIBRATION ............................................................................................. 8

Operation.................................................................................................................................................... 8

Settings and Adjustments ........................................................................................................................... 8

Fail-Safe Selection ...................................................................................................................................... 8

High Level Fail-Safe Operation.............................................................................................................. 8

Low Level Fail-Safe Operation .............................................................................................................. 8

Sensitivity Setting.................................................................................................................................. 8

Time Delay Setting ................................................................................................................................ 8

Enable Automatic Calibration Feature................................................................................................... 9

CHAPTER 6. START-UP AND OPERATION .......................................................................................... 10

CHAPTER 7. MAINTENANCE AND SPARE PARTS LIST .................................................................... 11

CHAPTER 8. TROUBLESHOOTING...................................................................................................... 12

APPENDIX ............................................................................................................................................... 13

CHAPTER 1. PRODUCT DESCRIPTION

FUNCTION

The VRF-1000 is a line powered (AC or DC) material level sensor that outputs a DPDT relay contact.

The electronics and probe are integral. It 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 to the user the presence of material.

Operation of the VRF-1000 is based upon the Bindicator®Opti-Sense™ technology using Variable Radio

Frequency (VRF™) which automatically selects the optimal operating frequency (20kHz to 100kHz) of

the low voltage signal applied to the probe, depending on the probe circuit impedance.

A dual core microprocessor scans the probe circuit and digitally analyzed voltage and current values to

characterize the complex impedance seen by the probe. The digital signal processor continuously

analyzed the conductance and susceptance of the probe circuit and calculates when to alarm the unit.

APPLICATIONS

This model is ideal for the point level detection of granulars, powders, liquids, and slurries. In addition, it

is effective in the measurement of materials with a dielectric constant as low as 1.2.

MODEL CODE IDENTIFICATION

Note 1: For 3A Sanitary Certication, add “3A”at the end of the model code. Assembly S must be

used and either Probe Type 2 (Food Grade Polysulfone) or Probe Type 4 (Stub Polysulfone)

must be used.

Note 2: Thickness of probe must be specied: 3/8 in., 1/2 in., 5/8 in., or 3/4 in. wall thickness.

Note 1: Maximum length is 45 ft. (13.72m) = 540 in. (1,371.6cm).

TECHNICAL SPECIFICATIONS/APPROVALS

ELECTRONICS

Line Voltage AC Models 85VAC to 265VAC; DC Models 10VDC to 36VDC

Power Consumption 5.5 watts maximum

Output Relay 2 form C (DPDT), 6A at 240VAC, 6A at 30VDC, minimum load

12V/100mA

Temperature Range -40°F to +158°F (-40° C to +70°C)

Sensitivity Settings See Chapter 5

Selectable Time Delay See Chapter 5

PROBES

Standard Duty 316 Stainless Steel and Ryton®, 150 PSI (10.5kg/cm2)

-100°F to +450°F (-73°C to +232°C)

Standard Kynar®Coated 316 Stainless Steel and Ryton®coated with Kynar®, 50 PSI (3.5kg/cm2)

-100°F to +250°F (-73°C to +121°C)

Food Grade 316 Stainless Steel and Polysulfone, 150 PSI (10.5kg/cm2)

-30°F to +300°F (-34°C to +149°C)

Stub 316 Stainless Steel and Polysulfone, 150 PSI (10.5kg/cm2)

-30°F to +300°F (-34°C to +149°C)

Heavy Duty 316 Stainless Steel and Ryton®, 150 PSI (10.5kg/cm2)

-100°F to +450°F (-73°C to + 232°C)

Heavy Duty Kynar®Coated 316 Stainless Steel and Ryton®coated with Kynar®, 50 PSI (3.5kg/cm2)

-100°F to +250°F (-73°C to +121°C)

Flush and Dome Flush 316 Stainless Steel and Epoxy, 50 PSI (3.5kg/cm2)

-30°F to +200°F (-34°C to +93°C)

Armored Food Grade 316 Stainless Steel and Food Grade Epoxy, 150 PSI (10.5kg/cm2)

-30°F to +230°F (-34° C to +110°C)

Jumbo 316 Stainless Steel and Epoxy, 50 PSI (3.5kg/cm2)

-30°F to +200°F (-34°C to +93°C)

Teon® Jacketed 316 Stainless Steel and FEP Teon®, 50 PSI (3.5kg/cm2)

-30°F to +250°F (-34° C to +121°C)

Teon® Jacketed Heavy Duty 316 Stainless Steel and FEP Teon®, 50 PSI (3.5kg/cm2)

-30°F to +250°F (-34°C to +121°C)

Fly Ash 316 Stainless Steel and Ryton®coated with Kynar®, 50 PSI (3.5kg/cm2)

-100°F to +250°F (-73°C to +121°C)

APPROVALS

FM Approved Electrical measurement equipment for use in indoor/outdoor (NEMA 4X,

IP66) unclassied locations.

DIMENSIONS

See the Appendix for appropriate model drawings and applicable housing and probe dimensions.

CHAPTER 2. HANDLING AND STORAGE

INSPECTION AND HANDLING

The VRF-1000 is individually packed to provide adequate protection during shipping and has been

tested and calibrated at the manufacturing facility. When the unit is received, it should be inspected for

damage that may have occurred due to mishandling during shipping. If the unit is received damaged,

DO NOT dispose of the carton or packing materials. Notify the shipping carrier immediately. If any

problems arise, please contact Bindicator®at (800) 778.9242 or (864) 574.8060.

STORAGE

After receiving the VRF-1000, care should be taken to avoid damage. If the unit is not scheduled to be

installed immediately after delivery, the following steps should be taken:

1. After inspection, repackage the unit into its original packaging.

2. Select a clean, dry site for storage. Location should be free of vibration, shock, and impact hazards.

If the VRF™ point level unit will be in storage for more than 30 days, it must be stored in a

non-condensing atmosphere with less than 100% relative humidity.

DO NOT STORE THE UNPOWERED UNIT OUTDOORS FOR A PROLONGED PERIOD.

CHAPTER 3. MECHANICAL INSTALLATION

GUIDELINES

The probe can be mounted on the side of the vessel horizontally, or on the top of the vessel vertically.

The probe should be located out of the direct ow of material into the vessel.

MOUNTING

Consult the appropriate dimensional drawing in the Appendix for mounting information related to the

model ordered.

CHAPTER 4. ELECTRICAL INSTALLATION

GUIDELINES

The VRF™ unit is a line powered point level switch with a DPDT isolated relay contact output. Wiring

will consist of:

Grounding

Input supply line power

Output relay contacts for signal/control

CONDUIT-CABLE CONNECTION

Two threaded 0.75 in. NPT female conduit openings are provided in the housing for input and output

wiring. When only one conduit opening is used for installation, the unused opening must be sealed

with a suitable Type 4X/IP66 0.75 in. - 14 NPT plug with pipe sealant in order to maintain approval

requirements.

INPUT POWER

The VRF™ unit is either an AC or DC input model. Consult the model codes in Chapter 1 and the

nameplate of the unit to determine the proper power supply.

CONNECTION INFORMATION

See Figures 4.1 and 4.2 for location of input and output wiring.

WARNING!

Either AC or DC power is to be connected to the power input depending on the model. Consult the

nameplate of the unit and Chapter 1 to determine what type of power is required. Consult Chapter 1 for

the allowable voltage ranges.

CONNECTION INFORMATION/WIRING DIAGRAM

See Figure 4.1 for location of input and output terminal blocks. Agency approved insulated barrel type

terminals are supplied in the input terminal block to provide additional safety. These terminals must be

used in order to maintain approval requirements. See Figure 4.2 for output contact positions during

stages of operation.

WARNING!

An electrical earth ground connection must be made to the housing input ground screw located inside

the enclosure. See Figure 4.1 for location. This connection is needed for both electrical safety and

proper operation of the unit. This is required for both AC and DC units.

WARNING!

The external ground wire (included) MUST be attached to the wall or the top of the metal vessel in order

to provide the proper reference to the probe.

DIP Switch SW1

Up Position = ON

Calibration

Indication LED

GREEN Material

Sensing LED

RED

Recalibration

Button

Relay Status

LED

Power Indicator

LED 3.3

Power Indicator

LED 5.0

Power Indicator

LED 6.0

NO1 C1 NC1 NO2 C2 NC2

Output Relay Connections

1A Fuse

Input

L2 Neutral (AC Model)

(-) (DC Model)

Input

L1 Hot (AC Model)

(+) (DC Model)

Figure 4.1 - VRF-1000 Electronics.

Figure 4.2 - High/Low Level Fail-Safe.

The output relay contacts are labeled in the un-powered alarm state. The relay is energized when the

VRF-1000 is not alarmed. This status may be opposite that of other Bindicator®brand units. If the

VRF-1000 is replacing an older Model RF-8000 or RF-9000 Series unit, connections will need to be

opposite. If a connection was made to the NC1 terminal of the RF-8000 or RF-9000 Series unit,

connect now to the NO1 terminal of the VRF-1000. C1 and C2 connections remain the same.

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