COX EC80 Manuale utente

CXX-UM-03060-EN-01 (April 2019) User Manual

Flow Processor

EC80

Flow Processor, EC80

April 2019CXX-UM-03060-EN-01Page ii

CONTENTS

Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Safety information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

Safety Symbol Explanations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Unpacking and Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Operating Principle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Typical Congurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Input. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Analog Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Wiring and Jumpers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

RM1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

RM2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

XP1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

RM1 Conguration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

RM2 Conguration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

XP1 Conguration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Specications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Using the IFC Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Password Initialization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Establish Link Via RS485 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Establish Link Via Ethernet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Prole . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Creating, Saving and Loading Proles. . . . . . . . . . . . . . . . . . . . . . . . . 22

Uploading a Prole . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Prole Programming. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Table Data Entry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

User Manual

Page iiiCXX-UM-03060-EN-01April 2019

Linearization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Rotor Ratio. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Pressure Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Temperature Compensation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Conguring Flow processor Outputs and Inputs . . . . . . . . . . . . . . . . . . . . . 30

Frequency Outputs (1 and 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Analog Output (Channels 1, 2, 3 and 4). . . . . . . . . . . . . . . . . . . . . . . . 31

Conguring Analog Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

Conguring Liquid Properties. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Temperature vs Viscosity Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Temperature vs Density Table. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Liquid Pressure Compensation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Hardware Conguration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Model Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

General Hardware Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Oscillation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Meter Selection (BUS ID) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Real-time Monitoring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

Real-Time Report Display. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Flow processor Programming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

Downloading Proles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

Locating Multiple EC80 Flow Processors . . . . . . . . . . . . . . . . . . . . . . . 41

Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

Conguration Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

Report Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

Communication (Comm.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

Database, Gator Display, Gator Report and Real Time Clock (RTC) . . . . . . . 43

Version Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

Flow Processor, EC80

April 2019CXX-UM-03060-EN-01Page iv

Description

Page 5CXX-UM-03060-EN-01April 2019

DESCRIPTION

The EC80 Flow Processor provides a state-of-the-art interface for today’s flow

meters. With multiple frequency inputs and one temperature input in a compact

design, the flow processor is compatible with single and dual rotor turbine flow

meters for precise calculation and output of flow rate or accumulated flow.

The linearization, viscosity and density correction features improve flowmeter

accuracy to the highest levels available today. Our newest feature allows the flow

processor, with a Cox Auto Viscosity Turbine Meter, to automatically measure and

compensate for kinematic liquid viscosity.

SAFETY INFORMATION

The installation of the flow processor must comply with all applicable federal,

state and local rules, regulations and codes.

Failure to read and follow these instructions can lead to misapplication or misuse

of the flow processor, resulting in personal injury and damage to equipment.

Safety Symbol Explanations

DANGER

INDICATES A HAZARDOUS SITUATION, WHICH, IF NOT AVOIDED WILL RESULT

IN DEATH OR SERIOUS PERSONAL INJURY.

INDICATES A HAZARDOUS SITUATION, WHICH, IF NOT AVOIDED COULD

RESULT IN DEATH OR SERIOUS PERSONAL INJURY.

INDICATES A HAZARDOUS SITUATION, WHICH, IF NOT AVOIDED COULD

RESULT IN MINOR OR MODERATE PERSONAL INJURY OR DAMAGE TO

PROPERTY.

UNPACKING AND INSPECTION

Upon opening the shipping container, visually inspect the product and applicable

accessories for any physical damage such as scratches, loose or broken parts, or

any other sign of damage that may have occurred during shipment.

OTE:NIf damage is found, request an inspection by the carrier's agent within 48

hours of delivery and file a claim with the carrier. A claim for equipment

damage in transit is the sole responsibility of the purchaser.

Operating Principle

April 2019CXX-UM-03060-EN-01Page 6

OPERATING PRINCIPLE

The EC80 Flow Processor accepts all types of square wave pulse inputs. Fully

compensated and linearized volumetric flow rates, totals and temperature are

examples of flow parameters that can be viewed through serial communications,

included software program or an embedded rate indicator (depending on

product configuration).

The EC80 Flow Processor can use a universal viscosity curve to compensate for

varying liquid temperature and viscosity conditions. It can also use

Strouhal-Roshko algorithms for a more comprehensive compensation method,

taking into consideration all the secondary effects to which the meter is sensitive

like the expansion and contraction of the meter bore diameter. The flow processor

extracts the density value of a known liquid from a stored temperature/density

table and multiplies by the volumetric flow rate to get the inferred mass flow rate.

RTD

Rotor A

Rotor B Fb

Fsum

act

ref

act

Qsupply

Temp

Measure

Temperature

Lookup Table

Temperature

vs Counts

Lookup Table

Strouhol vs

Roshko

Lookup Table

Viscosity vs

Temperature

Fsum

v1+2(alpha)(deltaT) 1-3(alpha)( delta T)

Calculate

Flow Rate

Measure

Frequency

Fa+Fb

Measure

Frequency

Counts Temp

Figure 1: Flow Processor Calculations

Installation

Page 7CXX-UM-03060-EN-01April 2019

INSTALLATION

Precautions

• Turn off power supply prior to making any connections to the flow processor.

• Verify that the power supply is rated to deliver enough current for

your application.

• Do not submerge or place flow processor in moisture-prone environments.

• Do not place the flow processor in close proximity to high voltage and/or

current carrying lines. It is sensitive to Electro-Magnetic Interference (EMI).

• Verify that all terminations at the flow processor are free from frayed wires and

terminate with proper insulation at terminal blocks.

• Before applying supply power, make sure the power setting is not in excess

of the flow processor’s rating. A setting over the rating will cause the flow

processor to fail and not be covered under the warranty.

• Tighten all terminal block connections with reasonable firmness. Do not

over-tighten the screw down terminals.

• Use adequately gauged wires for transferring signals to and from the flow

processor printed circuit board (PCB).

• Make sure the PCB will not be exposed to excessive shock.

• Make sure the PCB will not be exposed to heat that exceeds the temperature

rating of the flow processor electronics.

• Pay careful attention to the grounding scheme for your application. Use low

impedance grounds, common to all electronics.

• If the PCB is exposed, be careful that debris, loose conductor strands or any

other foreign matter does not come in contact with terminals and/or electrical

components and connections.

Installation

April 2019CXX-UM-03060-EN-01Page 8

Typical Congurations

RM1

CABLE

PT02E-12-14P

IS TYPICAL FOR RF INPUT.

* CONFIGURATION SHOWN

PT02E-12-8P

(NOT INCLUDED)

ABLE

(NOT INCLUDED)

2.4

2X 4.92

4X.17

2X 1.42

Figure 2: RM1 Configuration

RM2

* CONFIGURATION SHOWN

IS TYPICAL FOR RF INPUT.

CABLE (NOT INCLUDED)

PT02E-12-8P

PT02E-12-14P

.55

2X 6.373.74

2X .33

2X 2.50

4X .16

DETAIL N

REMOVE ANODIZATION

TO EXPOSE ALUMINUM

Figure 3: RM2 Configuration

Installation

Page 9CXX-UM-03060-EN-01April 2019

XP1

IS TYPICAL FOR RF INPUT.

* CONFIGURATION SHOWN

2X 4.7

B-9541 CABLE WITH 6907K13

CORD GRIP. (NOT INCLUDED)

Figure 4: XP1 Configuration

Input

April 2019CXX-UM-03060-EN-01Page 10

INPUT

The flow processor has inputs for turbine meters (both single and dual rotor) and

temperature. The flow processor calculates mass flow rates based on volumetric

flow with temperature compensation.

Analog Input

You can configure the analog input for different types of temperature transducers.

The flow processor is supplied with a 10 kΩ thermistor but can be

jumper-configured for 0…5V DC, 0…10V DC or 4…20 mA temperature

transducers. Consult the factory if you need to incorporate the analog input for

reasons other than temperature acquisition. See “Installation” on page7 and

“Wiring and Jumpers” on page12 to select a particular temperature transducer.

Figure 5: Input diagram

Function/Signal Pinout

RM1 RM2

RF PICKOFF A A A

RF A RETURN B B

RF PICKOFF B C C

RF B RETURN D D

RF PICKOFF Q N/A N/A

RF Q RETURN N/A N/A

RTD EX+ E E

RTD + F F

RTD – G G

RTD EX- H H

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