Dwyer Instruments RTI2 Series Manuale utente

DWYER INSTRUMENTS, INC. | www.dwyer-inst.com326

Flowmeters,

Totalizers FLOW

RATE/TOTAL INDICATOR

Loop Powered,Converts Pulse Frequency to 4 to 20 mA,High/Low FlowAlarm

3 [76.19]

2-5/32

[54.92]

3-7/8 [98.57]

4-15/16 [125.44]

[126.92]

3-5/8

[92.08]

3-15/16

[100.02]

The SERIES RTI2 Rate & Total Indicator is an indicator/transmitter that takes the pulse

output signal from compatible owmeters, displays ow rate and total, and provides

output signals. It is compatible with the Series EFS2, IEFS, PDWS, and FLMG.

FEATURES/BENEFITS

• Can be mounted on a wall or mounted on the owmeter for added exibility

• Accessory mounting kits make it easy to change the mounting orientation

• High environmental protection with semi-exible urethane potted electrical

components

• Provides a pulse, 4 to 20 mA and dual-relay output

APPLICATIONS

• Water treatment

• Water utilities

• Industrial chemical handling

The SERIES BAT Analog Transmitters is a 4 to 20 mA transmitter for use with the

Series EFS2, IEFS, PDWS, PFT and FLMG.

FEATURES/BENEFITS

• Easy to set up and can be either wall or meter mounted

• Takes a pulse frequency output from the compatible ow meters and converts it into

a continuous 4 to 20 mA analog output signal

• The frequency for the owmeter output signal can be adjusted using four rotary

switches on the back of the transmitter and a microcontroller automatically scales all

other values accordingly

• The microcontroller averages inputs for more stable reading outputs and is adjustable

from 2 to 16 seconds

• Loop powered, 2 wire connection

• High environmental protection with semi-exible urethane potted electrical

components

APPLICATIONS

• Telemetry applications • Distributed control systems

• Data logging • Chart recording

SPECIFICATIONS

Input: 5 V pulse or contact closure; 1 to 15 pulses/s.

Temperature Limits: Process: -32 to 131°F (0 to 55°C); Storage: -40 to 158°F (-40

to 75°C).

Output: Current sinking square wave

pulse: Scaled pulse output (0.1 s duration 6.1 Hz max. or high alarm

output or low alarm output), sensor pass-through pulse output (un-scaled); Pulse

output range: 0.1 to 9999999.9 units/pulse; Analog: 4 to 20 mA, 24 to 30 VDC.

Power Requirements: 7 to 30 VDC @ 4 mA (4 to 20 mA when loop-powered).

Display: Rate: 8 digits, 1/2  H LCD; Total: 8 digits, 5/16  character height.

K-Factor Range: 0.001 to 999999.999.

Flow Alarm Output Range: 0.1 to 99999.99.

Enclosure Material Housing: Die-cast powder-coated aluminum; Faceplate

#HP92W Lexan.

Enclosure Rating: NEMA 4X (IP67).

Electrical Connection: Terminal blocks, #22 AWG, 3 conductor 18  (5.5 m) cable

(2000  max.).

Mounting: See model chart.

Weight: 3 lb (1361 g).

SPECIFICATIONS

Input: Open-collector solid state sensor. Averaging: 2, 4, 8, 16 s (DIP switch

selectable); Pulse Frequency: Min. 10 Hz @ 20 mA; Max. 999.9 Hz (rotary DIP

switch selectable).

Temperature Limits: 32 to 130°F (0 to 55°C).

Output: 4 to 20 mA.

Power Requirements: 24 to 36 VDC @ 4 to 20 mA when loop powered.

Response Time: 2 to 60 s; 90% FS (depends on input averaging).

Loop Resistance: 0 to 1300 Ω max.u

Enclosure Material: Die-cast powder-coated aluminum.

Enclosure Rating: NEMA 4X (IP66).

Electrical Connections: Terminal block.

Mounting: See model chart.

Weight: 3 lb (1361 g).

BLIND ANALOG TRANSMITTER

Converts Pulse Frequency to 4 to 20 mA,Loop Powered

BAT-M shown installed on Series

EFS2 meter. Meter sold separately.

BAT-W

uLoop Resistance: See Bulletin F-BAT

SERIES RTI2

SERIES BAT

4-21/64 [110]

4-7/64

[104.10]

4-7/64

[104.10]

4-49/64

[121.20]

4-23/64

[110.50]

3-3/8

[85.60]

2-1/2

[63.50]

ACCESSORIES

Model Description

MMK

WMK

Meter mounting kit

Wall mounting kit

MODEL CHART

Model Description

BAT-M

BAT-W

Blind analog transmitter, meter-mounted*

Blind analog transmitter, wall-mounted

*Compatible Series: EFS2, IEFS, PDWS, TBS and FLMG.

MODEL CHART

Model Description

RTI2-W

RTI2-M

RTI2-P

Wall-mounted

Meter-mounted

Panel-mounted

ACCESSORIES

Model Description

MMK2

WMK2

Meter mounting kit

Wall mounting kit

Optional Protective Cover Closed

PROUDLY

MADE

IN THE

USA

RTI2-Series

RATE/TOTAL INDICATOR

INSTRUCTIONS

RTI2-SERIES RATE/TOTAL INDICATOR INSTRUCTIONS

Page 2

RTI2 INSTRUCTIONS

Dwyer Instruments, Inc. • 219.879.8868 • www.dwyer-inst.com

TABLE OF CONTENTS

General Information

General Information, Features ......................................................................................................................... Page 3

Specications, Pulse Output Functions ........................................................................................................... Page 4

Installation

Dimensions, Wall Mount, Meter Mount, Panel Mount.................................................................................... Page 5

Connection Diagrams

RTI2-139/115Vac Option, RTI2 3-wire Mechanical/Dual Scaled Pulse Output........................................... Page 6

RTI2/EX Magmeter............................................................................................................................................ Page 7

RTI2-139/EX Magmeter.................................................................................................................................... Page 7

Settings

K-Factor, Changing Flow Indicator Settings..................................................................................................... Page 8

RTI2 Secondary Menu Functions..................................................................................................................... Page 10

Troubleshooting

Problems, Probable Causes, Things to Try ...................................................................................................... Page 11

TABLES AND DIAGRAMS

Features............................................................................................................................................................. Page 3

Specications, Pulse Output Function Table ................................................................................................... Page 4

Dimensions, Meter Mount, Panel Mount......................................................................................................... Page 5

Connections: RTI2-139/115Vac Option .......................................................................................................... Page 6

Connections: RTI2 3-Wire Mechanical/Dual Scaled Pulse Output................................................................ Page 6

Connections: RTI2/EX Magmeter..................................................................................................................... Page 7

Connections: RTI2-139/115Vac Option .......................................................................................................... Page 7

K-Factor, Flow Indicator Menus........................................................................................................................ Page 8

Troubleshooting................................................................................................................................................. Page 11

Page 3

RTI2 INSTRUCTIONS

Dwyer Instruments, Inc. • 219.879.8868 • www.dwyer-inst.com

TABLES AND DIAGRAMS

GENERAL INFORMATION

*Internal power supply is available for the wall mount option only.

Features

The RTI2 ow computer is a microcontroller-based indicator/

transmitter that interfaces with pulse output ow sensors to

compute and display ow rate, ow total, and also generate

output signals representing ow. The RTI2 has two scaled

pulse outputs. Galvanic isolation is provided for most pulse

outputs (see table.)

The RTI2 is a “two-wire” or “loop powered” device, meaning

that it is powered by the 4-20 mA loop circuit itself. An optional

internal AC power supply* is available for the RTI2 with dual

24 and 12VDC outputs to power both the loop and sensors

requiring more power than the loop can supply.

Pulse and 4-20mA analog outputs can be used to signal

external devices, e.g. certain metering pumps and water

treatment controls. Alternatively, one or more pulse outputs

can be congured as alarm outputs. These ow computers

can be password protected to prevent resetting the total or

changing conguration settings.

The RTI2 meter is available in wall and meter mount

congurations. The RTI2 can also be panel mounted. Some

congurations can be converted from wall to meter or meter

to wall after installation if needed. Consult factory for details.

Lower Housing

Setup Keys**

Electronics Module

Wall-Mount Brackets

Strain Relief

Display

** Includes password protection for tamper prevention when needed

Protective Cover (Optional)

Page 4

RTI2 INSTRUCTIONS

Dwyer Instruments, Inc. • 219.879.8868 • www.dwyer-inst.com

GENERAL INFORMATION

PULSE OUTPUT 1 (SCALED)

TYPE Current sinking

MAX. VOLTAGE 30 Vdc

MAX. CURRENT 100 mA

MAX. FREQUENCY 6.5 Hz

PULSE WIDTH 100 ms

ISOLATION 300 V

CONFIGURABLE AS ALARM YES (High or Low)

PULSE OUTPUT 2 (SCALED) (See Note 1)

TYPE Current sinking

MAX. VOLTAGE 30 Vdc

MAX. CURRENT 10 mA

MAX. FREQUENCY 6.5 Hz

PULSE WIDTH 100 ms

ISOLATION 300 V

CONFIGURABLE AS ALARM YES (High or Low)

Pulse Output Function Table

NOTE 1: With 2000 ohm or lower pull-up resistance.

* Specications subject to change • Please consult our website for current data (www.dwyer-inst.com).

1 Scaled output pulses have a xed width of 100ms. Maximum pulses per second is 6.5Hz

2 For pulse frequencies <1 Hz, increase setting in SET F menu to 3 or higher.

Power 7-30Vdc, 4mA (4-20 mA when loop-powered)

Display Rate 5-digit autorange

Total 8-digit

Units Rate Units

Gallons/Second/Minute/Hour/Day, Liter/Second/Minute/Hour/Day, Cubic Feet/Second/Minute/Hour/Day, Cubic Meters/

Second/Minute/Hour/Day, Miner’s Inch, Mega Liters/Day, Million Gallons/Day, Fluid Oz/Second/Minute/Hour/Day, Barrels (42

gallon)/Second/Minute/Hour/Day

Total Units Gallon, Gallon x 1000, Liters, Mega Liter, Cubic Meter, Acre Feet, Cubic Feet,

Cubic Feet x 1000, Million Gallon, Miner’s Inch Day, Acre Inch, Fluid Ounce, Barrels (42 gallon)

Outputs Pulse Output 1 Scaled pulse output, high alarm output or low alarm output. Optoisolated.1

Pulse Output 2 Scaled pulse output, high alarm output or low alarm output.1

Loop Power Output 4-20mA Loop

Set P Range 0.1 - 99999.9 units/pulse

Input 5V pulse or contact closure

Input Range 0.752 - 2000Hz

K-Factor Range .001 - 999999.999

Flow Alarm Output Range 0.1 - 99999.9

Operating Temperature 0˚ to 55˚ C (-32˚ to 131˚ F)

Non-Operating Temperature -40˚ to 75˚ C (-40˚ to 158˚ F)

Environmental NEMA 4X, IP67

Regulatory Mark

Specications*

Page 5

RTI2 INSTRUCTIONS

Dwyer Instruments, Inc. • 219.879.8868 • www.dwyer-inst.com

Panel Mount. Using the “Panel Cutout” drawing as a

guide, cut a hole in the panel. Place the RTI2 indicator on

the panel and mark the holes, drill, and mount with the

supplied screws and washers.

Connections. To connect the ow computer to a ow

sensor or an external device such as a chemical metering

pump, follow the Standard Connections diagrams on the

following pages.

INSTALLATION

3.374

3.37

(85.6)

Dimensions are in Inches (Millimeters)

Wall Mount. To mount an RTI2 indicator to the wall, hold the

unit in the desired position, mark the holes in the mounting

feet, drill and mount with screws. A meter-mounted indicator

can be converted to a wall mount using an adapter mounting

kit. Contact distributor for information.

Meter Mount. If the RTI2 indicator was ordered as a meter

mount model, the housing is already mounted directly to the

ow sensor and needs no further installation.

An RTI2 module can be converted from a wall-mount to a

meter-mount using the mounting kit (contact distributor)

that includes a lower housing and associated hardware and

installs as follows:

1) Remove the strain relief through which the ow sensor

cable runs.

2) Cut the cable to about 6” in length. Carefully strip the

cable jacket to expose the three colored wires (red, white,

and black) inside.

3) Route the wires through the threaded connector pre-

installed in the bottom of the housing.

4) Start the threaded connector into the female thread on

the top of the ow sensor. Be sure to match the

oblong shape on the bottom of the housing to the

depression on the top of the ow sensor.

5) Using an ordinary screwdriver inserted in one side of the

slot (see drawing), tighten the screw as much as possible.

6) Strip the wire ends, make the connections to the indicator

as shown in Connections Diagrams, and then use the cover

screws to attach the indicator to the top of the housing.

Sensor Wires

Meter Mount

.78"

.10"

.50"

0.10 (2.5)

0.78

(19.8)

0.50

(12.7)

2.50

(63.5)

4.35 (110.5)

4.77 (121.2)

4.10

(104.1)

4.10 (104.1)

4.33

(110)

#10

Screw

#10

Screw

Panel Cutout

3.56 (90.4)

2.4 (61) TYP

3.5 (88.9) TYP .218 (5.5)

3.56

(90.4)

(PANEL CUTOUT)

Page 6

RTI2 INSTRUCTIONS

Dwyer Instruments, Inc. • 219.879.8868 • www.dwyer-inst.com

CONNECTION DIAGRAMS

Connections for RTI2-139/115Vac Option

Connections for RTI2 3-wire Mechanical/ Dual Scaled Pulse Out

POWER

SENSOR

ENGD

PULSE

OUT 2

PULSE

OUT 1

FT440

GREEN

WHITE

BLACK

FT440-139

(Dual Power Supply)

Lower Housing

4-20mA

Device

Dashed line shows (-) terminal connection

if 4-20mA device is not used

To 115Vac

Power Source

12V

Device

24Vdc

RTI2-139

RTI2

POWER

SENSOR

ENGD

PULSE

OUT 2

PULSE

OUT 1

RED

WHITE

BLACK

_9-30 Vdc

Loop Power

Supply

Flow

Sensor

FT440

Electronic

Metering Pumps

4-20mA

Device

RTI2

Page 7

RTI2 INSTRUCTIONS

Dwyer Instruments, Inc. • 219.879.8868 • www.dwyer-inst.com

CONNECTION DIAGRAMS

Connections for RTI2/EX Magmeter

Connections for RTI2-139/EX Magmeter

POWER

SENSOR

ENGD

PULSE

OUT 2

PULSE

OUT 1

FT440

Zero

Adj

Status

LED 1

Option

Only

+ 3

- 4

+ 5

- 6

Reverse

Output

Forward

Output

Power

Max 6mA

30Vdc

12-24Vdc

12 Vdc

Power Supply

White

Green

Red

Black

Red

4-20mA

Device

9-30 Vdc

Power Supply

Red

Black

RTI2

Zero

Adj

Status

LED 1

Option

Only

+ 3

- 4

+ 5

- 6

Reverse

Output

Forward

Output

Power

Max 6mA

30Vdc

12-24Vdc

_White

Green

Red

Black

POWER

SENSOR

ENGD

PULSE

OUT 2

PULSE

OUT 1

FT440

GREEN

WHITE

BLACK

FT440-139

(Dual Power Supply)

Lower Housing

4-20mA

Device

Dashed line shows (-) terminal connection

if 4-20mA device is not used

To 115Vac

Power Source

24Vdc

RTI2-139

RTI2

Page 8

RTI2 INSTRUCTIONS

Dwyer Instruments, Inc. • 219.879.8868 • www.dwyer-inst.com

SETTINGS

Changing Flow Indicator Settings

The home screen

0.00

GPD

MID

The HOME Screen, shown above, is the normal screen which

displays TOTAL ow volume and ow RATE. The Four buttons

below the LCD display are used to access menu screens for

viewing and changing setup parameters.

Menu Navigation

The left/right keys are used to move through the menus and

position the cursor during data entry. The up arrow is used

to scroll through the available values that are to be entered.

(examples: numerical values for K factor entry or selection of

units from the available options) The enter key (represented

on the keypad by the check mark) is used to save selected

entries and in conjunction with the exit tab to move between

menu screens. As one navigates the menus the current

parameter setting is shown and instructions are displayed

for how to change the selected parameter.

Main Menu

R UNITSET K T UNIT SET D

SET P RESET EXIT

086238.235

PRESS TO SET NUMBER

OF PULSES RECEIVED PER

GALLON OF FLOW

All menu screens consist of two rows of tabs surrounding a

dialog box that lets you view and change setup parameters.

Set K

R UNITSET K T UNIT SET D

SET P RESET EXIT

086238.235

PRESS TO SET NUMBER

OF PULSES RECEIVED PER

GALLON OF FLOW

View or change the K factor. The K factor is the number of

pulses the ow sensor provides for every gallon of ow. (Note

that the decimal is xed at three places. If you only have two

decimal places for your K-factor, enter a zero for the third

digit. If unable to set K-factor, the unit is "locked" to prevent

tampering. Please contact your distributor for assistance.)

R Unit

R UNITSET K T UNIT SET D

SET P RESET EXIT

FLOW RATE = GPD

PRESS TO SET UNITS

FOR DISPLAY

View or change the ow rate units

K-Factor

At a minimum, every RTI2 ow computer must be programmed

with the “K-factor”. (This is the number of pulses that the meter

produces per gallon of ow.) If you wish to read in units other

than gallons, see below.

The K-factor on any Dwyer ow sensor tting or in-line meter

can be found on the model-serial label. The line reading K =

xxxx gives the desired number. For depth-adjustable sensor,

look in the instruction manual under your pipe size.

Find Your K-Factor Here

10031295

MF81T-P200

K: 53.6

Fixed Depth Meter

Page 9

RTI2 INSTRUCTIONS

Dwyer Instruments, Inc. • 219.879.8868 • www.dwyer-inst.com

T Unit

R UNITSET K T UNITSET D

SET P RESET EXIT

TOTAL = GALLONS

PRESS TO SET UNITS

FOR DISPLAY

View or change the total volume units

Set D

R UNITSET K T UNITSET D

SET P RESET EXIT

000

PRESS TO CHOOSE

NUMBER OF DECIMAL PLACES

IN TOTAL DISPLAY

View or change the number of decimals displayed in the

total volume display

Set P or Set A

R UNITSET K T UNIT SET D

SET P RESET EXIT

00000.0 GALLONS

PRESS TO SET NUMBER OF

GALLONS TOTALIZED PER

PULSE SENT OUT PULSE1

The factory setting will show Set P which allows one to view

or change the volume of ow totalized per pulse sent to

pulse out 1. The units for Set P follow the units selected for

the rate display. Secondary menu selection will change the

display to Set A. The alarm can be set to trigger on either a

high or low ow condition as determined by the user.

Set 20 (RTI2 ONLY)

R UNITSET K T UNIT SET D

SET P RESET EXIT

00000.0 GALLONS

PRESS TO SET THE FLOW

RATE AT WHICH 20 mA

(MAX) OUTPUT IS DESIRED

SET 20

Input the ow rate at which 20 mA (max) output is desired

Reset

R UNITSET K T UNIT SET D

SET P RESET EXIT

PRESS TO RESET TOTAL

Reset the total ow volume to zero. This tab is not available

when the -64 non resettable total option is ordered

Exit

R UNITSET K T UNIT SET D

SET P RESET EXIT

PRESS TO EXIT MENU AND

RETURN TO FLOW DISPLAY

Return to the home screen, enter a submenu, or accept a

parameter change

Secondary Menu.

OUTPMAIN INPP CODE

EXIT

SCROLL TO SELECT A

SUBMENU AND CHANGE

FEATURES

To enter the secondary menu use the left/right arrow keys to

navigate to the exit tab. While the exit tab is highlighted press

the up arrow 4 times. The secondary menu, shown above, will

now be displayed.

OutP

OUTPMAIN INPP CODE

EXIT

PRESS TO SET ALARMS,

PULSE OUT, AND 4-20 mA

View or change the function of Set P tab on the main menu.

Options are pulse out 1, alarm low, alarm high. If the alarm

high/low option is selected a Set H (hysteresis) tab is

available. The hysteresis entry is a % value. The value denes

the % change required for a change in alarm state to occur.

InP

OUTPMAIN INPP CODE

EXIT

PRESS TO SET F, J, REED

AND PULSE INDICATOR

View or change the lter (set F), jitter (set J), enable

reed mode. Use the lter setting if the display is jumping

excessively due to ow conditions. Use the jitter setting to

enter a time delay to handle start up conditions. Jitter units

are seconds.

Pcode

OUTPMAIN INPP CODE

EXIT

PRESS TO SET PASSCODE

AND CHANGE PROTECTED

FEATURES

Enter the passcode for access to protected features.

SETTINGS

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