Download Interface Modules Models 104A and 104AR (TH-W-APK

TH-W-APK-00-03-0612-02-A
Interface Modules
Models 104A & 104AR
ENCLOSURES
Relative Humidity: Non-condensating
NEMA4X
PHYSICAL SIZE / WEIGHT
A wall mountable fiberglass enclosure.
PC BOARD INDICATORS
Input Pulse Indicator
A red LED that blinks on and off to display each pulse
received from meter.
Length
NEMA1
NEMA4X
6.35”
5.9”
Height
3.0”
5.9”
Width
5.3”
3.8”
Weight
2.4 Lbs
2.5 Lbs
Power Indicator
OUTPUTS AVAILABLE
A red LED located below the pulse indicator, indicating the
instruments power supply is functional.
Standard Proportional DC Output: 4-20 mA
FRONT PANEL (104AR ONLY)
Totalizer / Flow Rate Indicator
Displays both total consumed and flow rate on an eightdigit transmissive Red LED backlight 0.46” display. A
single display indicates flow rate designated by an R.
The accumulating totalizer is indicated by a blank and the
resettable totalizer annuniciator is a b.The display can be
toggled manually with the front panel SELECT switch or
programmed to automatically to display flow rate and total
consumed on the two available totalizers. The display may
be left in either mode. The number of active digits depends
on the parameters of the input signal.
All instruments are supplied with a 4-20 mA DC output
proportion to the flow rate through the metering device. This
signal has the capability of driving external equipment with
an impedance from 0 to 500 ohms without recalibration.
Optional Outputs
Dual 4-20 mA Output Signals: Two (2) 4-20 mA signals
proportional to the flow through the metering device. With
the standard 4-20 mA output, this option provides for a total
of three (3) 4-20 mA signals. If isolation between devices is
necessary an analog isolator is recommended. May require
an enclosure upgrade.
No Options Are Available
Flow Rate Indicator / Totalizer
SPECIFICATIONS
Input Signals
General Requirements
Display: An 8-digit transmissive Red ( Green also available)
LED, 0.46” high (For outdoor or high ambient light conditions,
reflective readouts may be ordered).
Input Frequency (full Scale) – 1 to 1000 Hz
Maximum loop resistance – 40 ohms
Duty cycle – 50/50 ± 20%
Memory: Non-volatile E2PROM memory retains all
programming parameters and totalized data when power is
removed.
Contact Closure Inputs
FRONT PANEL BUTTONS
Type – SPST (contact bounce less than 5 ms, interrupting
current – 50 ma max)
Solid State Inputs
An open collector design conforming to switch specifications
listed above
Electrical
117 volts ± 10%, 60 Hz, 1 Phase, 3 wire circuit,
Power Consumption: 10 volt amps (watts), maximum
Environmental Operating Conditions
Ambient Temperature: 0º F to 120º F
SELECT: Toggles display between totalizers and flow rate
indicator, also advances menu selections in the program
mode.
RESET: Sets resettable totalizer(s) to zero and changes
display in the programming mode.
Front Panel Displays
COUNT DISPLAY: 8-digit display flashes “Cnt OVEr” to
indicate that the totalizer has turned over.
RATE DISPLAY: 6-digit flashes “OLOLOL” when the
calibrated flow rate is exceeded.
TH-W-APK-00-03-0612-02-A
Page 2 of 6
DISPLAY DESIGNATOR: (on top left side of display)
can cause the OLOLOL indication, listed below.
R - Designates that the flow rate is active on the display
•
•
•
b – Designates the resettable totalizer is displayed.
_ - (Blank) Indicates the accumulating totalizer is displayed.
ELECTRICAL CONNECTIONS
Complete all connections to the metering device and
instrument before applying power. If it becomes necessary
to disconnect any of these connections, first remove the AC
power to the instrument.
METER OR SIGNAL OUTPUT
TERMINAL
NUMBER
FUNCTION
IC , EROFI
(Belden 8760)
HSPU, OMNI, HET
(Belden 8770)
3
Input Signal
White
White
4
Ground
Black
Black
5
+12VDC
No
Connection
Red
6
Shield
Bare (Shield)
Bare (Shield)
AC POWER INPUTS
TERMINAL NUMBER
FUNCTION
7
Earth Ground
8
117 VAC
9
117 VAC
PROPORTIONAL OUTPUT
TERMINAL NUMBER
FUNCTION
1
Positive
2
Negative
Instrument is calibrated for a different meter.
Meter flow rate exceeds instrument calibration rate.
Meter maximum flow capacity is exceeded.
To eliminate a flow rate calibration problem check that the
meter and instrument calibration agree. If recalibration is
necessary refer to module #2 in the Instrument Recalibration
Section.
CALIBRATING THE READOUT
CAUTION: All instruments are preprogrammed to
operate with the meter specified when ordered and
no additional programming is required. Entering the
program mode may cause erroneous operation. This
should only be done when the operating specifications
have changed.
To enter the programming mode, depress and hold the SEL
button on the readout for 2 seconds. In the program mode
the display will show Pro and flash to nO. There are five
(5) programming modules available. Press the RST button
to step through the modules. When the correct module is
displayed, press the SEL button to enter that module.
In the module the function being programmed is shown then
flashes to the value presently entered for the function.
Pressing the RST button stops the display from flashing and
places the unit into the data selection mode. In the selection
mode the operator presses the RST button to scroll through
the parameters available for that menu.
When the desired selection is displayed press the SEL
button to store the data and advance to the next menu. When
setting numerical values use the RST button to increment
the flashing digit, and momentarily press the SEL button to
advance to the next digit. To start the least significant digit
flashing momentarily depress the RST button.
bCntOVEr—indicates the totalizer b has rolled over.
To exit the programming mode and save all parameters
step through the module until one of the five main modules
is displayed, then press the RST button until Pro nO is
displayed. Pressing the SEL button at this point enters the
data and closes the program mode.
OLOLOL—indicates that the flow rate has exceeded the
calibrated flow.
THIS PROGRAMMING PROCEDURE ONLY APPLIES TO
VERSION 3.0 AND 3.1 READOUTS
ERROR INDICATORS
Cnt OVEr - indicates that totalizer A has rolled over.
Totalizer Over—To reset the totalizers back to zero (0) locate
the three (3) pins connector in the corner of the PC board
opposite terminals 12 through 15 (see connection diagram).
Remove the power from the instrument. Move the jumper on
the left and middle pins to the right hand and middle pins.
Reapply the power momentarily Turn the power off and
move the jumper back to the left and middle pins. Reapply
the power; the totalizers should read zero (0).
Flow Rate Over—There are a number of discrepancies that
PROGRAM MENUS
Module #1 (1 – input)
InP A-b – dual Cnt
CntA dP – Numeric selection depends on the factors
determined below.
CntA ScF – This factor equals the desired totalizer registration
divided by the number of pulses for that registration. The
TH-W-APK-00-03-0612-02-A
Page 3 of 6
number varies with each meter and registration. Example for
a W2000 DRE meter reading in gallons. 500.9663 pulses
equals 1000 gallons. Therefore, the factor is 1/500.9883 or
0.0019961. Only four(4) digits can be entered for the factor.
Therefore, the number entered would be 0.0020, the factor
rounded off. To improve the accuracy the decimal should
be moved two (2) places and the factor becomes 0.19961.
Since the decimal was moved two (2) places, the selection
for CntA dP above is 0.00 and the factor entered into Cnt
ScF is0.1996.
CntA rSt—to CtLd
CntA dir—NOr
CntA Ld—000000
Cntb Bat—nO
OMNI-2E0-244-R212
Cntb dP – (Usually the same as CntA dP) If the units of
measure are not the same use the procedure listed above
to determine the decimal point location and factor. Possible
examples are one totalizer reading in gallons and the second
in cubic feet, cubic meters or imperial gallons.
Cntb ScF – (Usually the same as CntA ScF, if not use the
procedure listed above.)
HI-Udt – Set to 90.0. Sets the number of seconds the
instrument will wait for a meter pulse before going to zero
(0). May be set between 0.1 and 99.9.
Module #3 (3-dSPLAy)
SEL Enb – Set to yES.
RSt Enb - This step programs the counter(s) to be reset to
zero(0) with the RST button. Typically set to Count b to reset
the b totalizer with the RST button. To reset the A totalizer set
to Count A, to make both resettable set to both A-b. When
using option Bb the b counter must be set to reset.
d-ScroLL – Typically set to nO, set to yES to have the display
automatically scroll between A total, b total and the flow rate.
d-Color - Specifies the color of the display (Typically set to
rEd, if green is desired set to Grn)
d-LEVEL – Sets display intensity ( Typically set to 5, to
reduce the intensity, reduce the number)
Pro Code – Factory set to 124. Although a lock code is not
necessary, it is an electronic lock to prevent tampering. It
may be changed to any three (3) digit number.
CodE VEr—nO
RSt P – UP – nO
FACt Set - Set to no. Setting to yES causes the program
stored in memory to be erased.
USEr InP – reset
Module #4 (4-SetPt)
USEr ASn – both A – b
This module is only active when options Bb or L are present.
Module #2 (2 – rAte)
SPt SEL—SP1
RAtE Enb – yES
SP2 Enb—nO
RAtE dP – The decimal location depends on the flow rate
value. Typically is set to display the multiplier to use all six
digits on the display. (This setting is determined below.)
SPt ASn – Set to rAtE for option L. Contact is then based on
the flow rate. Set to Count b for option Bb. Contact output is
based on quantity.
RAtE dSP – This number represents the maximum flow
rate to be displayed. In establishing this number, all 6 of the
available digits should be used if possible. (This setting is
determined below.)
SPt ACt – If rAtE was selected above set to BOUnd if
contacts are to close when the flow rate equals or exceeds
the set point and close below the set point. Set to LAtCH to
hold the contacts closed once the flow equals the set point.
A manual reset is required to release the latched contacts.
For quantity applications where Count b was selected above
set to t-OUt .
RAtE InP – The hertz value at the programmed flow rate.
This number should be enhanced as follows: For a W2000
DRE the maximun flow rate is 2500 GPM. At 20.87 hertz.
The 2500 could be used for RAtE dSP above, but to improve
the accuracy it should be set to 25000. The decimal was
moved one place to the right, the hertz value must also be
moved one place to keep proportions the same. Therefore,
RAtE dP should be 0.0, RAte dSP should be 25000.0 and
the hertz set to 208.7.
LO – Udt – Set to 5.0. this sets the number of seconds
between flow rate display updates. If the flow rate indicator
is varying due to fluctuating meter signals, increasing this
number reduces display fluctuations. May be set between
0.1 and 99.99 seconds.
SPt tOUt - Only active if t-OUt was selected above. SET the
number of seconds that the relay remains closed each time
it is activated.
SPt VAL – If rAtE was selected above,set the actual flow rate
where the contact closure is desired.
If Count b was selected above set the value to represent the
total number of counts on b that will occur before the relay
actuates.
SP1 Out—Nor
SP1 LIT—Nor
TH-W-APK-00-03-0612-02-A
Page 4 of 6
SPt P-UP – Set to SAVE.
SP1 tYPE—Hi-Act
SP1 Stby– nO
SP1 AUtO—ZErO-Str
SP1 OFF2—nO
SP2 OFF1—nO
Ch-COLOR – Typically set to nO. Set to yES to force the
backlight color to change when the setpoint output is
activated.
To activate set point 2. Set the first step SPt SEL to SP2
and the second step SP2 Enb to yES. Follow the above
procedure starting with SPt ASn.
The D/A converter is factory set to a precise frequency to
match the water meter or signaling device. If it becomes
necessary to recalibrate the D/A converter, the following
procedure must be followed and high quality test equipment
used. Any component changes must be made with equivalent
components.
RANGE CAPACITOR SELECTION
The range capacitor value is determined by the frequency
output and the desired range for the meter that is driving it.
To determine the Range Capacitor value:
1. Use the formula C range 1.54 / f (C value is in microfarads.)
2. Determine the full scale frequency value for the signal
source.
Exp. A 6” W2000 Turbo Meter outputs 20.874 hertz at
2500 GPM. If the 20mA signal represents 2500 GPM
then use 20.874 hertz for the (f) value in the above
formula. If the 20 mA is to equal a lower flow rate then
scale the frequency value to the lower requirement. For
example assuming a desired maximum flow of 1500
GPM or 60% of the maximum flow range, the frequency
at that flow rate is 60% of the 20.874 hertz or 12.524
hertz.
3. Apply the formula noted in step #1 to determine the
calculated Range capacitor value.
Example: For a W2000 Turbo Meter at 2500 GPM.
C = 1.54 / 20.874
C = .0738 microfarads
4. A .0738 microfarad capacitor is not a standard, that
cannot be procured. To be in the calibration range of
the adjusting pots, the C value selected must be within
10% of the calculated valve. This may require paralling
capacitors to reach the desired value. To achieve
maximum adjusting range, the final value should be a
close to the calculated value as possible.
Example: The calculated value is .0738 microfarads,
therefore, the final capacitor value must be within the 10%
range of .0664 to .0810 microfarads. Although there is a
standard .068 microfarad capacitor available, it is at the
low end of the range. To move the final selection closer
to the middle the .068 microfarad capacitor should be
paralleled with an .0068 microfarad capacitor increasing
the value to .0748 microfarads Because you are limited
to available capacitor values and all capacitors have a
tolerance some trail and error may be necessary if a
capacitance meter is not available.
5. Install the correct capacitor values on the PC Board.
The stability of the range capacitor affects stability of the
converter; only polycarbonate or polystrene capacitors
should be used.
TEST EQUIPMENT SETUP
(USING A MILLIAMPERE METER)
To calibrate the converter you need a signal generator with a
digital readout and a digital VOM that can read milliamperes
in the 20 milliampere range. A voltmeter can be used with a
precision resistor. The signal generator must have a open
collector or a switch output. See option1. The typical signal
generator has a pulse type output. To use this type of signal
generator a switching type transistor must be connected
between the signal generator and the instrument being
calibrated. See figure #2.
1. Disconnect the AC power to the instrument
2. 2. Disconnect any equipment connected to the 4 - 20
mA output terminals..
3. Connect a milliampere meter directly across the 4- 20
mA terminals on the instrument
4. Connect the signal generator to the instrument being
calibrated. The plus output of the signal generator is
connected to the Signal Input terminal of the instrument.
Connect the minus or ground terminal of the signal
generator to the Ground terminal of the instrument. The
+12 VDC terminal is not connected. Using a voltmeter
insure that the 12 VDC output is present. (See Figure#2)
5. Apply power to the instrument,
6. Set the signal out of the signal generator to 0 Hertz out.
7. Check the output current by placing a milliampere
meter directly across the 4 - 20 mA output terminals. It
should read 4 milliamperes, if it does not adjust the zero
potentiometer until the meter reads 4.
NOTE: The 4 - 20 ma signal does not respond
immediately when the potentiometer is adjusted.
Adjustment should be in small increments allowing time
for the current to stabilize before further adjusting.
TH-W-APK-00-03-0612-02-A
Page 5 of 6
8. Set the signal generator to the full scale hertz value. The
4. Connect the signal generator to the instrument being
milliampere meter should read 20 milliamperes. If it does
not, adjust the SPAN potentiometer to 20 milliamperes.
Again, adjustment should be in small increments
allowing time for the current to stabilize before further
adjusting.
calibrated. The plus output of the signal generator is
connected to the Signal Input terminal of the instrument.
Connect the minus or ground terminal of the signal
generator to the Ground terminal of the instrument. The
+12 VDC terminal is not connected. Using a voltmeter
insure that the 12 Vdc output is present. (See Figure#2)
9. Return to step #6 and readjust the zero setting if
necessary, then again check the full scale value. This
process of checking the zero and full scale values may
have to be repeated 4 or 5 times. The adjustment should
be smaller each time until the final values are achieved.
10. Set the signal generator to half scale ( 50% of the full
scale hertz). Check the milliampere meter, it should read
12 milliamperes. If it does not check zero and full scale
again. If the 12 milliampere output can not be achieved,
the circuit is not linear and can not be calibrated. It
should be returned for repair.
11. Disconnect the milliampere meter and reconnect the
water meter transmitter. Apply power.
TEST EQUIPMENT SETUP
(USING A VOLT METER)
To calibrate the converter you need a signal generator with
a digital readout and a digital VOM that can read voltage in
the range determined by the resistor selected. The signal
generator must have a open collector or a switch output.The
typical signal generator has a pulse type output. To use this
type of signal generator a switching type transistor must be
connected between the signal generator and the instrument
being calibrated. See figure #1 and #2.
1. Disconnect the AC power to the instrument
2. Disconnect any equipment connected to the 4 - 20 mA
output terminals..
3. Connect a precision resistor across the 4- 20 mA
terminals on the instrument. The resistor value can be
between 1 to 500 ohms. The value selected depends on
the voltage required by the external device being driven,
resistor availability and the range of the voltmeter. For
this procedure we used a 500 ohm resistor. The voltage
out would be 2 (.004 X 500) to 10 (.020 X 500) volts.
5. Apply power to the instrument,
6. Set the signal out of the signal generator to 0 Hertz out.
7. Check the output voltage by placing a voltmeter directly
across the resistor. It should read 2 volts, if it does not
adjust the zero potentiometer until the meter reads 2
volts.
NOTE: The voltage does not respond immediately
when the potentiometer is adjusted. Adjustment should
be in small increments allowing time for the current to
stabilize before further adjusting.
8. Set the signal generator to the full scale hertz value.
The volt meter should read 10 volts. If it does not, adjust
the SPAN potentiometer to 10 volts. Again, adjustment
should be in small increments allowing time for the
voltage to stabilize before further adjusting.
9. Return to step #6 and readjust the zero setting if
necessary, then again check the full scale value. This
process of checking the zero and full scale values may
have to be repeated 4 or 5 times. The adjustment should
be smaller each time until the final values are achieved.
10. Set the signal generator to half scale ( 50% of the full
scale hertz). Check the volt meter, it should read 6 volts.
If it does not check zero and full scale again. If the 6 volt
output can not be achieved, the circuit is not linear and
can not be calibrated. It should be returned for repair.
11. Disconnect the milliampere meter and reconnect the
water meter transmitter. Apply power.
TOTALIZER RESET
The electronic totalizer flashes “Cnt OVEr” to indicate that
the totalizer has rolled over. When this occurs, a manual
reset is necessary. With a NEMA4X enclosure, open the
door. Locate the 3 pin connector on the printed circuit board;
it is on the side of the board opposite the transformer above
TH-W-APK-00-03-0612-02-A
Page 6 of 6
the mounting hole. There is a 2 place (blue or black) jumper
on the 2 pins on the left side of the connector. Remove the
jumper and place it temporarily on the center and right hand
pins. This must be done with the power on, if preferable, turn
the power to the instrument off before moving the jumper.
After placing the jumper on the center and right pins, turn the
power on; this resets the totalizer to zero (0). After resetting,
move the jumper back to the orginal position.
READ BEFORE CHANGING THE
PROGRAM
The following procedures involve programming changes
when making these changes use the Programming Menus.
After making a change press and hold the SEL button for
approximately 2 seconds to enter the change into memory.
After making all changes always return to normal operation
before removing power to permantely enter all changes into
memory.
To enter the program mode, press and hold the SEL button
on the readout until it flashes Pro CodE (If it does not display
PrO nO press the SEL button until it does) and flashes over
to 000 with the least significant digit flashing. Press the RST
button 4 times to read 004 (if you exceed the desired number
keep pressing the RST button until the number comes back
to 4. When the 4 is displayed, press and hold the SEL button
until the second digit starts flashing, reading 004. Press the
RST button 2 times to read a 2 the readout should read 124.
If it does not, repeat the above process until the proper code
is displayed. When the correct code is displayed, press and
hold the SEL button until the display flashes PrO nO.
CHANGE COUNTER A AND/OR
COUNTER B VALUE
If the counter value must be changed, this is accomplished
in Module #1.
1. Go to PRO nO.
2. Press the RST button once the readout should read 1
- INPUt.
3. See procedure for Module #1 in the Program Modules
under CntA Scf. In the example the CntA ScF was 0.1996
with two (2) decimals entered under CntA dP. Following
the same logic 50.09663 pulses equals 100 gallons, the
reciprocal is 0.019961. To change to 100 gallon counts
change CntA dP to 0.0 (one (1) decimal ) and leave CntA
ScF at 0.1996. To change to 10 gallon pulses, change
Cnt dP to 0 (no decimals). After completing, press
SEL until the display shows Pro nO. Pressing it again
will return the display to normal operation. The above
procedure may be used for counter b by changing Cntb
Scf and Cntb dP.
Reducing the value of the counter b allows for smaller
quantities to be detected by option Bb. If the value of
counter b is 1000 gallons the Bb option can only count in
1000 gallon increments. Setting the value to 10 gallons then
any increment of 10 can be programmed. For example a
750 gallon contact closure would not be possible with 1000
gallon increments, but with 10 gallon increments with a set
point of 75 ( SP1 VAL = 75) it can be achieved. Reducing the
value of a count may cause a slight error in the total value.
SETTING THE A TOTALIZER TO A PRESET
NUMBER.
1. Determine the number to be preset into totalizer A.
2. Go to Pro—nO.
3. Press the RST button once.
4. Go to Module #1. Display should read 1– INPUt.
5. Press the SEL button 4 times. Readout reads CntA rSt
- to ZEro press RST to change to CtLd.
6. Press the SEL button 2 times the readout reads CntA
Ld—enter the desired number to be preset.
7. Press the SEL button to go to Pro—nO.
8. Press the RST button 3 times. Display should read 3 dSPLAy.
9. Press the SEL button 2 times. The readout reads RSt
Enb - Count b
10. Press the RST button to change to Count A.
11. Press the SEL button to until the readout returns to
normal operation.
12. Press the SEL button to go to Counter A.
13. Press the RST button. Observe that the desired number
was entered into counter A.
14. Go to Pro-nO.
15. Press the RST button once.
16. Go to Module #1. Display should read 1– INPUt.
17. Press the SEL button 4 times. Readout reads CntA rSt
- to CtLd press RST to change to ZEro.
18. Press the SEL button to go to Pro—nO.
19. Press the RST button 3 times. Display should read 3 dSPLAy.
20. Press the SEL button 2 times. The readout reads RSt
Enb - Count A.
21. Press the RST button to change to Count b.
22. Press the SEL button to return to normal operation.
© All products purchased and services performed are subject to Sensus’ terms of sale, available at either; http://na.sensus.com/TC/TermsConditions.pdf or 1-800-METER-IT. Sensus reserves the right to modify
these terms and conditions in its own discretion without notice to the customer.
This document is for informational purposes only, and SENSUS MAKES NO EXPRESS WARRANTIES IN THIS DOCUMENT. FURTHERMORE, THERE ARE NO IMPLIED WARRANTIES, INCLUDING
WITHOUT LIMITATION, WARRANTIES AS TO FITNESS FOR A PARTICULAR PURPOSE AND MERCHANTABILITY. ANY USE OF THE PRODUCTS THAT IS NOT SPECIFICALLY PERMITTED HEREIN
IS PROHIBITED.
8601 Six Forks Road, Suite 700
Raleigh, NC 27615
1-800-638-3748
www.sensus.com/water