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Greyline Instruments
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DFM 5.0
User Manual
42 pgs487.21 Kb0

Greyline Instruments DFM 5.0 User Manual

USER'S GUIDE
Installation & Operation
Instructions
Doppler Flow Meter
Model DFM 5.0
Manual Series A.8.1
Note: This page has been left blank intentionally.
DFM 5.0 Doppler Flow Meter
INDEX
Connections ......................................................4
Keypad System ....................................................6
Calibration Menu ..................................................7
Message .........................................................8
Status............................................................8
Password .........................................................9
Units/Mode ......................................................10
Calibration ......................................................11
Relay Parameters .................................................12
Special Functions .................................................13
Sensor Mounting..................................................15
Enclosure Installation ..............................................19
Synchronization ..................................................20
Troubleshooting ..................................................21
Common Questions And Answers ....................................24
Applications Hotline ...............................................26
Product Return Procedure ...........................................27
Warranty ........................................................29
Flow Meter Data Sheet .............................................28
Warranty ........................................................29
Appendix A – Options .............................................30
Data Logger .....................................................36
Specifications ....................................................38
Appendix B - Conversion Table ......................................39
Pipe Charts ......................................................40
If this product is not used as specified by the manufacturer, protection may be impaired.
Available in Adobe Acrobat pdf format
Page 3
DFM 5.0 Doppler Flow Meter
CONNECTIONS:
POWER INPUT: The standard model requires AC power input between 100 to 240 VAC 50/60Hz . No adjustments are necessary for voltages within this range.
Optional DC input model requires 9-32 VDC/7 Watts. Connect to + and − terminals. Connect L (Live) N (Neutral) and AC Ground.
Optional Thermostat and Heater modules are available rated for 115 VAC or 230 VAC.
IMPORTANT NOTE: To comply with CSA/UL electrical safety standards, AC power input and relay connection wires must have conduit entry to the instrument enclosure. Installation requires a switch, overcurrent fuse or circuit breaker in the building (in close proximity to the equipment) that is marked as the disconnect switch.
Risk of electric shock. Loosen cover screw to access connections. Only qualified personnel
!
should access connections.
Note: Use of instrumentation over 40°C ambient requires special field wiring.
Note: User replaceable fuse is 2 Amp 250V (T2AL250V).
Page 4
CONNECTIONS
DFM 5.0 Doppler Flow Meter
–+
SYNC
GND
GND
TMTR
RCVR
4-20mA (1)
RLY2
RLY1
– +
NO C NC
NO C NC
EXTRA RELAYS OPTION
NC
RLY3
AC
LN
AC GROUND
NC
C
L N
C
NO
POWER INPUT
NO
RLY4
HEATER OPTION
NC
C
NO
RLY5
RLY6
TRANSDUCER
NC
C
NO
GND
Page 5
DFM 5.0 Doppler Flow Meter
KEYPAD SYSTEM
The following diagram shows the DFM 5.0 menu system. Arrows show the four directions to leave a menu box. Pressing a corresponding keypad arrow will move to the next item in the direction shown. Move the cursor (underline) under numerals and increase or decrease numerals with the Ç and Èkeys.
To store calibration values permanently (even through power interruptions), press the ü.
Page 6
CALIBRATION MENU
DFM 5.0 Doppler Flow Meter
Linear in
Volume USG
Time min
--Units/Mode--------
>Mode Flow
--Calibration-------
4mA at 0.000 USG/m
Pipe ID 12.00in
>20mA at 2500.0 USG/m
Damping 20%
Function Flow
Mode Pump
On 1000 USG
--Relay Parameters--
Off 0.000 USG
>Relay 1
Mode Flow
Set Date Feb 18/2007
Set Time 11:27:40
Interval 10sec
Reset Log NO
--Data Logging-------
>Log Site ID 0
Calibration
Relay Parameters
Data Logging
>Units / Mode
Password 0000
Special Functions
--Menu Selections----
--Password----------
--Special Functions-
Simulation
Configuration
Backlight On High
Reset Totalizer NO
Negative Totals NO
>Language English
Reverse Flow NO
Cal Constant 1.000
Restore Defaults NO
4-20mA 5.60mA
New Password 0000
Relays 1 23456
--Simulation--------
>Output 250USG
Doppler 1.02
Logger 1.03T
Relays 2
>Utility Board 1.01
4-20 Outputs 1
--Configuration-----
Data log Logging
Log Use 0%
--Message-----------
Sensor Good
USG/min
0.000
Total 0.000ft/s
Average 0.000ft/s
Maximum 0.000ft/s
Max Time 01:57:00
>Date Feb. 12/2008
Minimum -1.046ft/s
--24 hr log----------
Page 7
Tot 20130.8 USG
Relays 123456
Min Time 02:35:00
Tot 0.000USG
Signal Cutoff 5%
Signal Strength 0%
Sig Confidence 0
Relays123456
--Status------------
>Velocity 0.00ft/s
20mA at
OPTIONAL FEATURES
DFM 5.0 Doppler Flow Meter
USG/min
0.000
Tot 20130.8 USG Relays 123456
--Message----------­Data log Logging
Log Use 0% Sensor Good
--Status------------
>Velocity 0.00ft/s
Tot 0.000USG Signal Cutoff 5% Signal Strength 0% Sig Confidence 0 Relays123456 20mA at
RUN
The main display shows the units selected from the Units/Mode menu, Flow or Velocity rate being measured, TOTALIZER and RELAY states. The DFM 5.0 will start-up with this display and will return to this screen after a timeout if keys are not pressed in other menus.
MESSAGE
Press Ç from the RUN display to view status of the data logger and error/warning messages provided by the instrument. The word Message will appear on the RUN display if error messages are being generated by the instrument. Refer to the manual section Error/Warning Messages for a description. Press ü to return to the main display.
STATUS
Press È from the RUN display to view instrument status. Velocity will be displayed in ft/sec or m/sec.
Tot Displays the current totalizer reading.
Signal Cutoff Adjust the setting in percent to suppress flow readings
at zero flow when fluid swirling or pipe vibration may cause the instrument to continue reading. Example: Signal Cutoff at 5% will force the display and outputs to zero when signal strength drops below 5%.
Signal Strength Displays percentage of signal being received by the
ultrasonic sensor.
Sig Confidence This indicates consistent or widely varying flow rates
and helps gauge the quality of the velocity signal in the application.
Relays Energized relays will display as a white character on a black
background.
20mA at Displays the flow rate set as 20mA in the Calibration menu.
Press ü to return to the main display.
Page 8
DFM 5.0 Doppler Flow Meter
--24 hr log----------
>Date Feb. 12/2008
Total 0.000ft/s Average 0.000ft/s Maximum 0.000ft/s Max Time 01:57:00 Minimum -1.046ft/s Min Time 02:35:00
--Password----------
Password 0000
24 HR LOG (Data Logging option only)
Press Å from the RUN display to view a formatted flow report from instruments with a built-in data logger. Press È to scroll down one day or repeatedly to scroll to a specific date. Up to 365 days can be stored. Newest date will overwrite the oldest. Press ü to return to the main display.
PASSWORD
The password (a number from 0000 to 9999) prevents unauthorized access to the Calibration menu.
From the Run display press the Æ key to get to
Password. Factory
default password is 0000 and if it has not been changed press the ü to proceed to the Menu Selections screen.
If a password is required, press Æ to place the cursor under the first digit and È or Ç to set the number, then Æ to the second digit, etc. Press Æ or ü to proceed to the Menu Selections screen.
A new password can be stored by going to
Password
.
Special Functions/New
Page 9
DFM 5.0 Doppler Flow Meter
--Units/Mode--------
>Mode Flow
Linear in Volume USG Time min
--Units/Mode-------­Mode Flow
>Linear i
--Units/Mode--------
>Volume US
ft
mm
ft3
bbl
m3
IMG
IG
USMG
UNITS/MODE
>Mode press the Æ and then the Ç or È to select Flow or
From
Velocity. Flow mode displays the flow rate in engineering units (e.g.
gpm, litres/sec, etc.) Press the ü to store your selection then the È to the next menu item and Æ to enter.
>Linear press the Æ key and then the Ç or È to select your units
From of measurement. Press the ü to store your selection.
n
m
Press the È key to move the
> symbol to each subsequent menu item and
the ü to save your selections.
Note: the volume selection "bbl" denotes U.S. oil barrel.
Press Å or ü to return to the Menu Selections screen.
G
L
--Units/Mode-------­Mode Flow Linear in Volume USG
>Time se
day
hr
min
c
Page 10
DFM 5.0 Doppler Flow Meter
--Calibration-------
>20mA at 2500.0 USG/m
4mA at 0.000 USG/m Pipe ID 12.00in Damping 20%
CALIBRATION
Press the È to
> before each menu item and Æ to enter. When settings are completed
>Calibration and Æ to enter. Use È or Ç to position
press ü to store and return to the Calibration menu
20mA at Press Æ then È or Ç to change the numbers and decimal point.
Use this menu to set the corresponding flow rate that will be represented by 20mA analog output. If maximum flow is unknown, enter an estimated flow rate and observe actual flow to determine the correct maximum value. Any velocity or flow rate up to +40 ft/sec (12.2 m/sec) may be selected.
4mA at Press È or Ç to set the flow rate corresponding to 4mA analog
output. This setting may be left at zero flow (or velocity or can be raised to any value less than the 20mA setting, or lowered to any velocity or corresponding flow rate down to -40 ft/sec (-12.2 m/sec).
Pipe ID Place the cursor under the digits and then È or Ç to change the
numbers and decimal point.
Pipe ID should be entered as the exact
inside diameter of the pipe where the sensor is mounted. Refer to the Pipe Charts Appendix in this manual for inside diameter of common pipe types and sizes.
Damping - Increase damping to stabilize readings under turbulent flow
conditions. Decrease for fast response to small changes in flow.
Damping
is shown in percentage (maximum is 99%). Factory default is 20%.
Press ü from the Units/Mode display to return to Menu Selections.
Page 11
DFM 5.0 Doppler Flow Meter
--Relay Parameters--
>Relay 1
Function Flow Mode Pump On 1000 USG Off 0.000 USG
RELAY PARAMETERS
Relay
Press Æ and È or Ç to select a corresponding relay number (2 relays are standard, 4 additional are optional).
Function
Flow Mode Select Pump, Low Alarm or Hi Alarm.
Press È or Ç to select Off, Pulse or Flow.
Pump mode provides separate On/Off settings where the
relay will energize at one flow rate and de-energize at another.
On Position the cursor under the numerals and press È or
Ç to set digits to the required relay
Off set digits to the required Off set point.
Low Alarm mode relay will energize at a programmable
On set point.
flow rate and remain energized with flow below the set point. When flow rises above the set point, the relay will de-energize.
Pulse
Hi Alarm mode relay will energize at a programmable
flow rate and remain energized with flow above the set point. When flow falls below the set point, the relay will de-energize.
Press È and set digits to the flow volume increment required between relay pulses. Use this feature for remote samplers, chlorinators or totalizers. Minimum time between pulses is 2.25 seconds and pulse duration is 350 milliseconds.
Return to
Relay and change settings for each relay
number.
Press ü to return to
Menu Selections.
Page 12
DATA LOGGING (OPTIONAL)
Refer to Options section of this manual.
DFM 5.0 Doppler Flow Meter
--Special Functions-
>Language English
Backlight On High Reset Totalizer NO Negative Totals NO Reverse Flow NO Cal Constant 1.000 Restore Defaults NO New Password 0000
--Special Functions­Language English
>Backlight On Hig
On Med On Low
Key Hi/Lo
Key High
Key Med
Key Lo
Off
SPECIAL FUNCTIONS
Language Select English, French or Spanish
Backlight
Select On High, Medium or Low for continuous
backlight.
Select Key
Lo backlight until a key is pressed again.
then
h
Select Key High, Med or Low for backlight for 1 minute after a keypress
Hi/Lo for high backlight for 1 minute after a keypress and
and then backlight off until a key is pressed again.
Reset Totalizer Press Æ and select Yes to erase and restart the
totalizer at zero.
Negative Totals Select Yes to have reverse flow readings deducted
from the totalizer. Select
No to totalize forward flow only and ignore
reverse flow.
Reverse Flow Select Yes to change the display from positive or
negative values (e.g. sensor mounted in a direction that shows normal flow as negative values. Use
Reverse Flow to change readings to positive
values.)
Cal Constant Set to 1.000 for SE4-A transducer. (Note: Different
transducer models require specific Cal Constants.)
Restore Defaults Select Yes and press ü to erase all user settings
and return the instrument to factory default settings.
New Password Select any number from 0000 to 9999 and press ü.
Default setting of 0000 will allow direct access to the calibration menus. Setting of any password greater than 0000 will require the password to be entered to access the calibration menus.
Press ü to return to
Menu Selections.
Page 13
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