ERX Hazardous and Non-Hazardous Installation Drawings ..................................
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Introduction
Mercury Instruments ERX is a microprocessor-based, stand-alone, self-powered data recorder
that measures gas pressure(s), gas temperature, case temperature, and applied power supplies.
Sampled measurements, logged Audit Trail data, alarms, and operating parameters are stored in
non-volatile memory and may be retrieved directly with a laptop computer, Palm Pilot, Pocket
PC
, or remotely via modem. Pressure and Temperature, alarms, and other sampled parameters
may be displayed on an optional internal or external Alpha-Numeric LCD (Liquid Crystal
Display).
ERX Recorder is capable of sampling and recording up to three pressure transducers and ambient
and gas temperatures. At the time of manufacturing, the ERX may be fabricated as a wallmounted, pipe stand, or as a
Recorder (single pressure) or a Mini-AT (dual pressure) case.
Calibrating and serial accessing an ERX Recorder is accomplished by using Mercury
Instruments’ MasterLink32 version 3.50 or greater, Palm Suite, or Pocket PC software.
portable unit in an 800 series case, (three pressure default case) ERX
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MasterLink32 is a Window multifunctional software program that’s used to interface with an
ERX Recorder, via a serial cable, modem, or Bluetooth device.
MasterLink32 provides the following functions:
• Instrument configuration
• Date & Time
• Alarm limits
• Sample interval
• Log interval
• Audit Trail items (4 or 10 items)
• Display list (up to 18 displayable items)
• Units of mea
surement
• Pressure(s) and Temperature calibration
• Graph live pressure(s) or temperature
• Graph historical data retrieved for the ERX Recorder
• Audit Trail reports
• Serial Communications
• File management
• Instrument security
• See MasterLink32 ‘Help’ for additional functions and features
Warranty
Mercury instruments, Inc. warrants all instruments covered by this manual to be fr
ee from defects
in material and workmanship under normal use and service of this product. If returned to our
factory, transportation charges prepaid, within 4 years of the original purchase shipment date,
Mercury Instruments agrees to repair or replace any instrument, which its examination reveals to
have been defective due to faulty workmanship or material. All obligations or liabilities on
Mer
cury Instruments part is to repair or replace warranty instruments, and does not include any
other type of claims or damages, including but not limited to consequential damages following
the use of misuse of instruments sold by it. Mercury Instruments reserves the rights, at any time,
to make changes, modifications or enhancements to this product without prior notification. This
warranty is in l
ieu of all other warranties, express or implied. No agent is authorized to assume
for Mercury Instruments any liability except as set forth above
Intrinsic Safety for Hazardous Locations
Underwriter’s laboratories (UL) has listed the ERX Recorder as intrinsically safe for use in Class
I, Division 1, Group D hazardous locations and Canadian Standards Associations (CSA) for use
in Glass I, Divis
intrinsically safe instrument when installed in accordance with UL control drawing 40-3332 or
CSA control drawing 40-3332-A (see appendix).
ion 1, Groups C & D hazardous locations. The ERX Recorder is recognized as
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Warning
Use only Mercury Instruments manufactured battery packs with part numbers as specified
on the certification label or control drawing. Use of third-party battery packs voids
product warranty, voids intrinsic safety certifications and may impair safety.
Modes of Operations
The ERX Recorder is in one of three operating modes. Each mode is well defined and suited to a
particular purpos
Operating Modes:
• Sample
• Display list
• Serial
Sample Mode
While in the sample mode, the instrument obtains, stores and compares pressure(s),
temperature(s), and power supply voltage readings with alarm limit set points. If reading
exceeds the alarm limit set points, the instrument outputs a single pulse out the alarm
channel, display ‘ALARM’ or customer configured message on inst
with an LCD, and if equipped with a modem, jumps into either a modem configured callin sub-routine or an instrument call-in sub-routine.
Display List Mode
An LCD is required for display list mode operation. A push button is used to scroll
through the pre-programmed items. Display list mode contains two lists (display list 1 &
display list 2) and live readings (live enabled).
display list 2 up to twelve items. Any of the instrument items maybe programmed in
either list. Live-enable is determined by the instrument installed hardware, number of
pressure transducers and whether equipped with a temperature probe. While in display
mode operation, no changes are possible that will affect the configuration of the ERX
Recorder; i
Serial access requires a serial cable, modem, or a Bluetooth device along with
MasterLink32, Palm Pilot, or Pocket PC software. In addition, the instrument must be
equipped with the same type of serial hardware that is accessing the instrument. While in
this the mode the instrument may be configured, calibrated, or data can be retrieved from
the instrument. Serial accesses co
Level 1 software access is considered a lower level access to the instrument and
software functions and is gained through the use of a laptop computer, Palm
Pilot, or Pocket PC and appropriate serial hardware connected to the instrument’s
serial port. The user must enter a five-digit code access code (default 11111) to
enter level one. Leve
instruments parameters and its functionality is control and configurable by Level
2 access.
Level 2
Level 2 software is the highest available level access and has access to all
instrument and software functions and is gained through the use of a laptop
computer, Palm Pilot, or Pocket PC and appropriate serial hardware connected to
the i
nstrument’s serial port. The user must enter a five-digit code access code
(default 22222) to enter level two.
l one is limited in its ability to change or configure the
Instrument Access
In addition, an instrument access code is necessary to maintain the instrument security and must
be entered or preprogrammed in appropriate software site list at the time of either successful level
one or level two serial links. Instrument default access code: 33333
How the ERX Recorder Works
The ERX Recorder utilizes a dedicated microprocessor in conjunction with precisi
on sensors to
measure gas pressure(s) and temperature(s) and records the measured values in memory. The
electronic circuits are powered by a battery pack located inside of recorder case or by an external
power source. The applied power regulated to voltages required by the connected circuits. While
in the sample mode, most of the electronic circuitry is in an un-powered state (sleep mode) to
co
nserve battery power. When an internal timer has reached the selected sample interval time,
the electronics are energized and a sample measurement cycle begins.
When the recorder wakes-up and enters the sample measurement mode, the programmable
firmware instructs the microprocessor to obtain analog measurements. The analog signals
(pressure(s), temperature(s) and power) are multiplexed through
the A/D converter and routed to
the microprocessor. The microprocessor converts and stores the digitized analog signals to an
equivalent numeric value, scaled to the selected engineering units. P1 pressure is stored in item
500; P2 pressure is stored in item 501; P3 pressure is stored in item 420; Gas temperature is
stored in item 502; Case temperature is stored in item 503: and power is stored
in item 521.
Once the all the measurements are obtained, the microprocessor compares the measured values to
the parameter limits already in memory, i.e., high and low limits of pressure(s), temperature,
power, etc; if any of the measured parameters are out-of-range, the firmware instructs the
microprocessor to jump into an alarm subroutine. The alarm subroutine activates the appropriate
alarm co
de item(s), turns on the alarm indicator, transmits an alarm pulse out the alarm channel
and if equipped, activates a call-in, via a Messenger modem, CDMA…etc.
If during a sample measurement cycle wake-up the power supply voltage falls below the low
limit set points, the microprocessor activates the alarm indicator, transmits an alarm pulse out the
alarm channel, and, if equipped, activates a mod
em call-in.
After the microprocessor has completed the sample measurement cycle wake-up, the
microprocessor will update memory, display the new samples data to the LCD, and return to the
‘sleep mode’ to conserve energy.
Other than time, the ERX Recorder will also wake-up due to either a serial link or push button
activation. A wake-up caused by a serial communication link allows the recorder
to
communicate with serial devices connected to J5 or through a COMS I/O port. A push button
activation access will cause the microprocessor to initiate the display list mode, as described on
page XXXXX. In all cases, the microprocessor will initiate a sample measurement cycle as
described earlier and continue to energize most circuits while the recorder is performing the userrequested tasks.
Pressure System
(1 to 5000 PSI)
The pressure-sensing system incorporates one, two or three precision strain gauge transducer. The
transducers are housed in the ERX Recorder case and exit the case via 1/1” NPT female
connector.
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Precision pressure transducers are characterized to 32 numeric points at the factory to determine
offset, linearity, repeatability, and hysteresis. The 32 points of characterization are unique to each
transducer and referred to as ‘Transducer Coefficients’. When replacing a transducer for any
reason, the coefficients must be reloaded with the proper coefficients for the replacement
transducer.
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Temperature System
-40 to 150 (-40 to 65C)
The temperature system consists of a highly stable solid-state transducer connected to the ERX
main circuit board through a 6-foot Teflon cable. The stainless steel probe is ¼” in diameter and
six inches in length; however, longer or shorter probe lengths are available options as well as an
armor cable. A ½” NPT nylon slip-along fitting is also provi
ded for securing the temperature
probe within the thermo well. The temperature probe assembly is universally interchangeable
between ERX Recorders and electronic volume correctors.
Sample Interval
In the ERX Recorder sample-measurement mode applies power to the electronic circuit so the
pressure(s), temperature(s), and power voltage measurements may be obtained. After obtaining
new measureme
nts, the item values and LCD are updated, and then compared to alarm limits, if
the values exceed the alarm limit, the instrument will jump to alarm sub-routine. After
completion of these tasks, the circuitry will return to the sleep mode of operation.
Sample rates: 1, 5, 10, 30, and 60 seconds, default is 10 seconds
Note: the faster the sample rate, the quicker battery powered instruments power
is depleted.
Sample Interval Battery Life
1 second 1 year
10 seconds 3 years
60 seconds 4 years
Log Interval
The log interval is a user-selectable item, its value determines how often Audit Trail report items
are stored into the instrument’s memory. The choices are 1, 5, 10, 15, 30, 60, or 24 hours, 60
minutes as the default. At the selected time interval, the recorder will automaticall
sample measurement wake-up cycle and store the user-defined Audit Trail report items into the
instrument’s memory. The time-stamped record placed in memory will be identified with the log
trigger “Time.”
Hourly and daily time triggers will always occur at the top of the hour, at 00: 00: 00 zero minutes
and seconds. For log triggers less than 60 minutes, time triggers will occur at 1,
minutes with zero seconds. Log triggers other than time will appear randomly and are placed in
memory at the exact time the incident occurred.
y enter a
5, 10, 15, or 30
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Audit Trail
The ERX Recorder is capable of storing either 4 or 10 items in its Audit Trail. Any of the
recorder items may be placed in the Audit Trail. Default: 10 Audit Trail Items
Item Description Item Description
421 P3 Average Pressure 656 Temperature Interval High
500 P1 Pressure 657 Temperature Interval Low
501 P2 Pressure 670 P1 Current Day Average
503 Case Temperature 671 P1 Current Day High
521 Battery Voltage 672 P1 Current Day Low
649 P1 Interval Average 673 P2 Current Day Average
650 P1 Interval High
651 P1 Interval Low 677 Temperature Current Day High
652 P2 Interval Average 678 Temperature Current Day Low
653 P2 Interval High 687 Temperature Current Day High
654 P2 Interval Low 681 P1 Current Day Low Time
655 Temperature Interval Average 687 P1 Current Day High Time
421 P3 Average Pressure 656 Temperature Interval High
422 P3 Interval High
423 P3 Interval Low
500 P1 Pressure 657 Temperature Interval Low
501 P2 Pressure 670 P1 Current Day Average
503 Case Temperature 671 P1 Current Day High
521 Battery Voltage 672 P1 Current Day Low
649 P1 Interval Average 673 P2
650 P1 Interval High 676 Temperature Current Day Average
651 P1 Interval Low 677 Temperature Current Day High
652 P2 Interval Average 678 Temperature Current Day Low
653 P2 Interval High 687 Temperature Current Day High
654 P2 Interval Low 681 P1 Current Day Low Time
655 Temperature Interval Average 687 P1 Current Day High Time
Current Day Average
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Informational Display (LCD)
A single 8-digit alphanumeric display (LCD) is a standard feature of the ERX. The LCD may be
mounted externally without a window cover, externally with a window cover, or internally. A
LCD is required for viewing the display lists 1 & 2 data and live readings. Normally the
instrument is in the sample measurement mode and the LCD displays the primary transducer (P1)
last sampled pressure, default setup. The default item (P1) displayed while in the sample mode
may be changed by changing the item entered in item 482, e.g. P2, P3, or etc. When activated by
a push button function, the LCD will display any alarm conditions, display list 1 & 2, and live
pressure(s) and temperature. If an instrument is in an alarm condition, the LCD will display
‘ALARM’ or a user
that’s entered in item 483 can contain any alphanumeric character, but is limited to eight
characters.
-defined message, control by what is entered in item 483. The alarm message
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Installation and Operation of the ERX Recorder
Upon receiving the recorder, be sure that all items received are in good condition. Check the
packing list to make sure the shipment is complete. Report to your Mercury Representative any
damages and immediately file any shipping damage claims with the carrier who delivered the
shipment.
Function Check
1. Open the case door, check for any loo
seated.
2. • Ensure Super Cap jumper is installed onto both pins of J1
3. • Remove Velcro strap that secures the Alkaline Receptacle Battery Pack (default battery
pack)
4. • Remove battery pack; open the cover by pulling on the Velcro tab underneath pack
5. • Install four alkaline D-cell batteries, observe polarity, secure cover and replace
pack in the recorder, then secure with Velcro strap.
6. • Attach battery pack lead to either J3 or J4; J3 and J4 are parallel.
J1 Super Cap Jumper Super Cap
Battery Velcro Strap J3 J4
se parts, and verify that all connectors are properly
battery
P1 P2 P3
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The LCD should display a pressure reading of close to ‘0.00. The recorder is now ready for
functional checks.
*Note: All of the function checks assume that the instrument has been configured with a
default setup.
Use the MI Logo (push button) or an optionally installed push button to scroll through the display
list(s) and stop at the live pressure reading. Without having made a pressure connec
will display a value very close to zero, typically, within +/- 0.4% of full scale.
Connect a pressure source to the external ¼” NPT pressure connector, apply a varying pressure
(less than full scale) and observe an increase or decease in the LCD’s reading as the pressure
varies. An automatic ten-minute time-out ensures that if a recorder left in a live reading, the
recorder will r
scroll through the remaining display list items until the recorder has returned to the sample
measurement mode.
eturn to the sample measurement mode to conserve battery power. Continue to
tion, the LCD
Instrument Setup
The following items are critical in the recorder’s operation and proper configuration.
Instrument Configuration
Item 576 configures what the recorder will record, that is, pressure(s) and te
equipped, e.g. P, PP, PPP, PT, or PPPT.
mperature data, if
Pressure
Transducer
Pressure (P1) 570
Pressure (P2) 571
Pressure (P3) 412
605~630
Temperature 551
Range
Xducer
Range Unit Coefficients
572
573
419
549 301~332 178~181
550 341~372 441~444
408 150~155 445~448
Board
Coefficients
Site IDs
Site identification items 580 and 581, used to identify the recorder to the associated software.
Items 580 and 581 Site IDs are preprogrammed using the recorder’s serial number, set by the
factory prior to shipping, but may be changed to meet company’s requirement. Site IDs must
remain unique, that is, no tw
o recorders should have the same Site ID numbers.
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Using MasterLink32 Software:
• Date and Time
Instrument Set Inst. Date/Time via computer, ensure date and time is correct in the computer
before setting date and time via computer.
Or
Manually set time by entering the time in item 582
Manually set the date by entering the date in item 583
A 2-Point Pressure Calibration requires that two different pressures be applied to the instrument’s
pressure transducer and be sampled by the data acquisition circuits. A low pressure value,
usually 0.00 PSI, is applied to determine the Pressure Zero Calibration (offset). A higher pressure
value is applied to determine the Pressure Span Calibration (gain
). The default Calibration
Parameters require that the Span Pressure exceeds the Zero Pressure by at least 50% of the
transducer range, otherwise a “Points Too Close” error message is displayed.
To produce a linear pressure response for all rated pressures and temperatures, each transducer
has been factory characterized for ambient temperature effects. The characterization process
determines th
e proper compensation coefficients for each transducer. The 2-point calibration
process uses the coefficients when calculating the pressure offset and pressure span values. Once
these two points have been calculated and stored in the instrument’s memory, all other applied
pressures and temperature are automatically compensated by the coefficients.
2-Point Pressure Calibration (Gauge Transducers)
2-point pressure calibration (items required)
• ERX Recorder
• Pressure source and fittings (capable of providing pressures of at least 50% of the ERX
pressure transducer range)
• Pressure Reference (accuracy to equal or exceed the accuracy of the ERX pressure
system)
• Computer (IBM Compatible)
• MasterLink32 Software
• I/O cable, part number 40-1629 and a MPA, part number 40-2
620 or through the use
of I/O cable, part number 40-1629 only if the instrument is equipped with an external
case connector and a third option is through the use of I/O cable 40-2696 that connects
directly to J5 on the main circuit board.
2-point pressure calibration (procedure)
Make certain that the Pressure Compensation Coefficients listed are for the pressure transducer
installed. Also verify that Item Code 087 is
transducer serial number label and item 112 is set for Gauge type transducer. Since the two-point
calibration is mostly a software function, references to the appropriate sections in the
MasterLink32 Link software are included.
1. Connect the pressure source and pressure reference to the ERX pressure connector.
2. Make a serial connect from t
he computer’s serial port to the ERX serial port.
3. Start MasterLink32 software on the computer.
4. Enter the access code for Level 1 or Level 2 when requested. The default Level 1 Access
Code is “11111”, the default Level 2 Access Code is “22222”.
5. If a communications link has not yet been established, the screen will display a box
requesting the user to input the Instrument Access Code. Ent
box appears. The default code is “33333”
the desired pressure unit. Item Code 138 matches the
er the access code when this
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6. Select “Calibrate” from the main menu.
7. Select “Pressure Calibration” from the sub-menu.
8. With zero pressure applied to the ERX pressure transducer, perform the “Pressure Zero
Calibration.” The pressure displayed in green on the computer’s screen is a live reading.
This permits the user to determine if the pressure has stabilized so that a sample may be
obtained. Click the AVERAGE PRES
SURE NOW button when it becomes active (text
changes from gray to black) to obtain a sample of the applied pressure.
9. When MasterLink32 displays “Average Pressure”, the value should be changed to match
the pressure reference by clicking the CHANGE button when it becomes active. Enter
the pressure value for the zero reference pressure (usually 0.00). The ERX will calculate
the required differe
nce offset, store this calculated value within the instrument before
returning to a live pressure reading.
10. Compare the displayed pressure to the reference pressure. If the ERX pressure reading is
not acceptable, click the AVERAGE PRESSURE NOW button again to obtain another
pressure sample. The program will continue to loop back to the live pressure reading.
Obtain as many pressure samples a
s necessary until an acceptable pressure reading is
displayed.
11. If the ERX zero pressure reading is acceptable, click the SPAN button to change to the
Span Calibration sequence.
12. The screen title should have changed to “Pressure Span Calibration.” At this point, the
software is waiting to sample the applied pressure. Increase the pressure applied to the
ERX to the span reference pressure.
This must be greater than 50% of the transducer
range.
Example #1: If the zero reference pressure on a 100 PSI transducer equals 0.00 PSI, then
the span reference pressure must be between 50.00 and 100.00 PSI.
Example #2: If the zero reference pressure on a 600 PSI transducer equals 0.00 PSI, then
the span reference pressure must be between 300.00 and 600.00 PSI.
13. The span calibration a
lso displays a live pressure reading to allow the user to determine if
the span reference pressure has stabilized. When the pressure has stabilized, click the
AVERAGE PRESSURE NOW button when it becomes active to obtain a pressure
sample.
14. If the average pressure reading is not equal to the span reference pressure, click the
CHANGE button when it becomes active. Enter the pressure value for t
he span reference
pressure. As the computer screen updates, the ERX will calculate the required span gain,
store this calculated value within the instrument before returning to a live pressure
reading. Obtain as many pressure samples as necessary until an acceptable span pressure
reading is displayed.
15) Compare the average pressure reading to the span reference pressure. If the average
pressu
re reading is acceptable, the pressure calibration process is complete. As a
suggestion, recheck the pressure zero reading and any number of pressure points within
the transducer range, or click DONE to exit the calibration sequence.
• Pressure Source and fittings (capable of providing pressures of at least 50% of the ERX
pressure transducer range)
• Pressure Reference (accuracy to equal or exceed the accuracy of the ERX pressure system)
• Computer (IBM Compatible)
• I/O cable, part number 40-1629 and a MPA, part number 40-2620 or through the use of
I/O cable, part n
umber 40-1629 only if the instrument is equipped with an external case
connector and a third option is through the use of I/O cable 40-2696 that connects directly to
J5 on the main circuit board.
Make certain that the Pressure Compensation Coefficients loaded in the instrument are for the
pressure transducer installed. Also ve
Since the two-point calibration is mostly a software function, references to the appropriate
sections in the MasterLink32 software are included.
1. Connect the pressure source and pressure reference to the ERX pressure connector.
2. Make a serial connect from the computer’s serial port to the ERX serial port.
3. Start MasterLink32 softw
4. Enter the access code for Level 1 or Level 2 when requested. The default Level 1 Access
Code is “11111”, the default Level 2 Access Code is “22222”.
5. If a communications link has not yet been established, the screen will display a box
requesting the user to input the Instrument Access Code. Enter the access code when this
box appears. The default code is “33333”.
6. Se
lect “Calibrate” from the main menu.
7. Select “Pressure Calibration” from the sub-menu.
8. With zero pressure applied to the ERX pressure transducer, perform the “Pressure Zero
Calibration.” The pressure displayed in green on the computer’s screen is a live reading.
This permits the user to determine if the pressure has stabilized so that a sample may be
obtained. Click the AVERAGE PRESSURE NO
changes from gray to black) to obtain a sample of the applied pressure.
9. Obtain the current local atmospheric pressure reading using a barometer or by some other
means. When MasterLink32 displays “Average Pressure”, the value should be changed
to match the current atmospheric pressure value by clicking the CHANGE button when it
becomes active. Enter the c
comparable, i.e., PSIA. The ERX will calculate the required difference offset, store this
calculated value within the instrument before returning to a live absolute pressure
reading.
10. Compare the displayed pressure to the reference pressure. If the ERX absolute pressure
reading is not acceptable, click the AVERAGE PRESSURE NOW butt
another pressure sample. The program will continue to loop back to the live pressure
reading. Obtain as many pressure samples as necessary until an acceptable pressure
reading is displayed.
11. If the ERX absolute pressure reading is acceptable, click the SPAN button to change to
the Span Calibration sequence.
12. The screen title should have changed to “Pressure Span Calibrat
software is waiting to sample the applied pressure. Increase the pressure applied to the
ERX Recorder to the span reference pressure that exceeds the zero reference pressure by
at least 50% of the rated transducer range.
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rify that instrument is setup for the desired pressure unit.
are on the computer.
W button when it becomes active (text
urrent atmospheric pressure value, making sure the units are
on again to obtain
ion.” At this point, the
Example #1: If the zero reference pressure on a 100 PSIA transducer equals 14.73 PSIA,
then the span reference pressure must be between 64.73 and 100.00 PSI.
Example #2: If the zero reference pressure on a 100 PSIA transducer equals 13.25 PSIA,
then the span reference pressure must be between 63.25 and 100.00 PSI.
Example #3: If the zero reference pressure on a 600 PSIA transducer equals
14.73 PSIA,
then the span reference pressure must be between 314.73 and 600.00 PSI.
13. The span calibration also displays a live pressure reading to allow the user to determine if
the span reference pressure has stabilized. When the absolute pressure has stabilized,
click the AVERAGE PRESSURE NOW button when it becomes active to obtain a
pressure sample.
NOTE: The span reference pressure is
equal to the sum of the dead weight tester
pressure, and the atmospheric pressure obtained in step 9 above.
14. If the average pressure reading is not equal to the span reference pressure, click the
CHANGE button when it becomes active. Enter the pressure value for the span reference
pressure. As the computer screen updates, the ERX will calculate the required span gain,
and store this calculat
ed value within the instrument before returning to a live pressure
reading. Obtain as many pressure samples as necessary until an acceptable span pressure
reading is displayed.
15. Compare the average, absolute pressure reading to the span reference pressure. If the
average pressure reading is equal to the sum of the applied pressure plus the atmospheric
pressure, the pressure calibration proces
s is complete. As a suggestion, recheck the
pressure zero reading and any number of pressure points within the transducer range, or
click DONE to exit the calibration sequence.
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Two-Point Temperature Calibration
A Two-point Temperature Calibration requires that two different temperatures be applied to the
instrument's temperature probe and be sampled by the data acquisition circuits. A low
temperature source, usually a 32 degrees F ice bath is used to determine the Temperature Zero
Calibration. A higher temperature source is used to determine the Temperature Span Ca
(gain). The default calibration parameters require the Span Temperature exceed the Zero
Temperature by at least 15% of the instrument temperature range.
The temperature probe provides a nonlinear, but very predictable temperature response for all
rated temperatures. The instrument's firmware chip contains the required information to produce
a linear temperature response for any connec
ted temperature probe. The Two-Point Calibration
process uses the temperature offset and temperature span values to adjust for individual
variations. Once these two points have been calculated and stored in memory, all other applied
temperatures can be determined by a linear interpolation.
libration
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Alarm Pulses (Form-A)
The alarm output pulse is available as a Form-A output only. The alarm output pulse width is
fixed at 50 mS and there is no need for pulse scaling. An alarm pulse output is a one-time
occurrence, at the time any alarm becomes active. Subsequent alarm pulses will not occur until
all previous alarms have been cleared.
Output Pulse Specifications
1.
2. Outputs are rated for DC only, from 3.0 volts to 10.0 volts. Observe polarity.
3. The alarm output will sink up to 5 mA. Pulse duration is 50 mS minimum.
4. Form-A contact closures are between the A- and A+ terminals. The contact closures are
All outputs are isolated from ground and each other.
held for 50 mS. Note: Observe polarity.
Note: A- and A+ output channel is also used to power (on/off) an internal
communication devices, i.e. cellular phones, modem, radio...etc.
or external
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Communicating to the ERX Recorder with a Modem
The ERX Recorder has a single I/O serial port that is used for local serial connections and for
modem connections. The I/O serial port baud rate is controlled by item 588, is set to “Auto baud”
and automatically adjusts from the 38400, the starting baud rate to match the baud rate of
connecting serial device. However, it is highly recommended when
communicating with the
recorder via a modem to adjust item 588 (serial baud) to match the baud rate of the connecting
modem’s RS-232 port. The serial port will support the following lines: TX, RX, and COM,
Internal Modem Communications
Mercury Instruments manufactures a low power modem designed to be installed within the case
of the ERX Recorder, the Messenger Modem. The Messenger Modem can
ERX via a ribbon cable, which is used for internal Messenger Modem installations that do not
have an external case connector. See Messenger Modem manual for additional information.
communicate with the
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Pin1
RS-232 to CMOS I/O port, use to connect serially to the recorder
using an IBM compatible computer or PDA and a communication cable 40-2696-1 technician
cable.
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External Modem Communications without an External RS-232 Case Connector
Requires the use of an optional RS-232 to CMOS I/O Board, 40-2717-2:
See Messenger Modem manual for additional information.
Internal or External Communications with a RS-232 Case Connector
Requires the use of an optional RS-232 to CMOS I/O Board with shorting plug, 40-2717-3:
(Shorting plug not shown)
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External Modem Communications with a RS-232 CMOS I/O Board with shorting plug and
stripped wires, 40-2717-8, same as 40-2717-3 but instead of three stripped wires it has a terminal
block to facilitate external modem connection.
Automatic Call-In Feature
Alarm Call-In
Pulse Method
The ERX Recorder has the capability to initiate a modem-to-modem call. There are two
circumstances where the ERX Recorder will initiate a call, Alarm Call-In and a Schedule Call-In.
The Alarm Call-In feature can be configured to call in two ways: 1is to use the alarm pulse output
of the ERX Recorder to trigger the automatic call-in featur
alarm condition has been detected by the recorder, the recorder will generate an alarm pulse, that
will cause the MI Modem to jump into an alarm subroutine that has been pre-programmed in the
MI Modem program.
To use this method, set the following items:
Item Code Set to
333 Call-In Trigger 1 Alarm Call-In
484 Alarm Channel Control 0 Alarm Pulse Out
789 Modem AT Enable 0 Call-In via Alarm Pulse
Note: The MI Modem must be configured properly for this method to work; see MI Modem
installation guide for more information.
e of the MI Modem. Once and an
put
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AT Commands Method
The AT command method is accomplished by sending Hayes AT-type commands out the serial
I/O port to a generic-type modem, such as the Messenger Modem. This method has the ERX
recorder controlling the Hayes compatible modem.
To use this method, set the following items:
Item Code Set to
333 Call-In Trigger 1 Alarm Call-In only
789 Modem AT Enable 1 Call-In via A
T commands
780 Modem Init String Initialization command of the Modem
Default: ATE0Q0V0X4
781 Modem Dial String Command sent to indicate dialing
Default: ATDT
782 Modem Hang-up String Command sent to modem for hang-up
Default: ATH
784 Alarm Call-In Phone# Phone number to call due to an alarm
786 Modem Retry Interval A Time (minutes) between short-term retries
Default: 5
787 Modem Retry Interval B Time (minutes) to wait before trying again if all
short-term retries have failed
Default: 1440
788 Modem Retry Count A Number of short-term retries
Default: 3
Scheduled Call-In Method
The Scheduled Call-In feature requires the ERX Recorder to issue AT commands to a generic
modem or to a Messenger modem. This feature, design
applications that can accept a scheduled call-in from a remote site.
To use this method, set the following items:
Item Code Set to
333 Call-In Trigger 2 Scheduled Call-In only
334 Scheduled Call-In Date Date of call
335 Scheduled Call-In Time Time of call
339 Scheduled Call-In Phone # Phone number to call at schedule time
789 Modem AT En
able 1 Call-In via AT commands
780 Modem Init String Initialization command of the Modem
Default: ATE0Q0V0X4
781 Modem Dial String Command sent to indicate dialing
Default: ATDT
784 Alarm Call-In Phone# Phone number to call due to an alarm
782 Modem Hang-up String Command sent to modem for hang-up
Default: ATH
786 Modem Retry Interval A Time (minutes) between sho
ed to interface with third party software
rt-term retries
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Default: 5
787 Modem Retry Interval B Time (minutes) to wait before trying again if all
short-term retries have failed
Default: 1440
788 Modem Retry Count A Number of short-term retries
Note: Item 334 must be reset after a Scheduled Call-In; otherwise, the recorder will not call
again.
Alarm and Scheduled Call-In
The ERX Recorder, if configured, can initialize a call-
in due to an alarm and a scheduled-call-in.
In this method, item 338 (Scheduled Call-In Occurred) may be used by the host system to
determine whether the call-in was triggered by an alarm or due to a scheduled call-in. A
scheduled call-in will have changed item 338 from ‘0’ to ‘1’ indicating that a scheduled call-in
occurred and not an alarm. Item 338 must have its value reset to a value of ‘0’
and item 334 must
be reset for the next scheduled call-in date after a Scheduled Call-In; otherwise, the recorder will
not call again.
To use this method, set the following items:
Item Code Set to
333 Call-In Trigger 3 Alarm & Scheduled Call-In
334 Scheduled Call-In Date Date of call
335 Scheduled Call-In Time Time of call
339 Scheduled Call-In Phone # Phone number to call at sc
hedule time
789 Modem AT Enable 1 Call-In via AT commands
780 Modem Init String Initialization command of the Modem
Default: ATE0Q0V0X4
781 Modem Dial String Command sent to indicate dialing
Default: ATDT
784 Alarm Call-In Phone# Phone number to call due to an alarm
782 Modem Hang-up String Command sent to modem for hang-up
Default: ATH
786 Modem Retry Interval
A Time (minutes) between short-term retries
Default: 5
787 Modem Retry Interval B Time (minutes) to wait before trying again if all
short-term retries have failed
Default: 1440
788 Modem Retry Count A Number of short-term retries
Modem Power Control--Call-out Window
Modem power control is used to conserve battery power by only applying power to a
communication device wi
power control utilizes the alarm output channel of TB1; A- and A+ to control the power applied
to a communication device, such as, a modem, CDPD, or radio, etc.
Item 484, Alarm-Channel-Control must be configured to Modem Power control instead of the
default Alarm Pulse output. This action defeats Alarm Pulse output.
The period that
the communications device is powered is controled by item 791 Call-out Start
Time and item 783 Call-out Stop Time and further defined by item 792 Call-out Repeat
Interval and item 793 Call-out Keep Alive Time.
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thin an operating window when communication is desired. Modem
If both items 792 or 793 is set to zero disables modem power control.
30-Minute Window Interval
To power a communication device for a thirty-minute period that starts at 9:00 AM and ends at
9:30 AM, configure item 791 to 09 00 00 and item 783 to 09 30 00 and items 792 & 793 to 30
minutes.
9:00 |---------------ON----------------| 9:30
791 783
Start End
Item 792: 30 minu
tes
Item 793: 30 minutes
Setting the above items to the values shown will keep a communication device on for a period of
30 minutes.
Note: that extending the time that the recorder controls the power applied to the communication
device will reduce the battery reserve. It is recommended, that if the Modem Power control
interval is greater than 15 minutes per day, that the recorder has either, a
dual battery pack, a
Solar power supply, or an AC to DC power supply with battery backup.
4-Hour Window Interval
To power a communication device for a four hour interval that starts at 8 00 AM and ends at 12
00 PM, configure item 791 to 08 00 00 and item 783 to 12 00 00 and items 792 & 793 to 30
minutes.
8:00 |---------------On-----------------| 12:00
791 783
Start Time Endin
g Time
Item 792: 30 minutes
Item 793: 30 minutes
Setting the above items to the values shown will keep a communication device powered for a
interval of four hours. Take note that items 792 and 793 have the same value and having the same
value will force the recorder to apply power to the communication device for the entire interval.
Note: that extending the time that the recorder controls the
power applied to the communication
device will reduce the battery reserve. It is recommended, that if the Modem Power control
interval is greater than 15 minutes per day, that the recorder has either, a dual battery pack, a
Solar power supply, or an AC to DC power supply with battery backup.
Multiple Windows- within the start and ending interval
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Configure the recorder the same as the 30-minute window and adjust items 791 and 783, as
needed, and change items 792 and 793 to create the amount of time the communication device is
powered within the interval.
Will power the communication device starting 9: 00 Am and ends at 11: AM
On 9:00~9:05
Off 9:05~9:20
On 9:20~9:25
Off 9:25~9:40
On 9:40~9:45
Off 9:45~10:00
On 10:00~10:05
Off 10:05~10:20
On 10:20~10:25
Off 10:25~10:40
On 10:40~10:45
Off 10:45~11:00
Window repeats the next-day
Start time: 09:00:00 Ending time: 11:00:00
| |
00:00:00
OnOnOn On OnOn 23:59:59
Note that the recorder is applying power to the communication device for a total of 30 minutes.
Note: that extending the time that the recorder controls the power applied to the communication
device will reduce the battery reserve. It is recommended, that if th
e Modem Power control
interval is greater than 15 minutes per day, that the recorder has either, a dual battery pack, a
Solar power supply, or an AC to DC power supply with battery backup.
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Digi-Span Fuel Switching Feature
An ERX connected to a Digi-Span module provides an automatic or manual fuel switching
function when item 340 is enabled. This feature requires ERX’s Pulser-A output to be connected
to the Digi-Span’s “Gas Override” terminal, the Pulser-B output connected to the “Oil Override”
terminal, and the common terminal ‘K’ connected to the Digi-Span common. When item cod
340 is configured for Automatic mode, a pre-selected temperature at the Digi-Span module
determines which fuel is ‘switched on’. Item 340 may also be configured for either a manual
“Gas Override” or a manual “Oil Override”, which results in a continuous ON at one of the pulse
outputs channels.
Although not an original design consideration, there may be other applications that could make
use of
a continuous ON from either pulse output channel besides the Digi-Span module. Care
must be taken to be certain that the connected device can be actuated with 5 mA of current, or
less. Regardless of the connected device, enabling item 340 places a heavier burden on the
battery, which will decrease battery life.
e
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Firmware Upgrade
ERX Recorder firmware (instrument operating instructional program) is stored in flash memory.
Adding new features, capabilities, and correction of firmware issues to the instrument is simply a
matter of uploading a text file containing a newer version of firmware, via a MPA
Flash Access Security is provided by the use of the Serial Port Adapter (MPA). To upgrade flash
memor
y, use the free software application Firmware Upgrade Manager available through your
Mercury representative or by contacting Mercury Instruments.
Important
Before performing a firmware upgrade procedure download an item file and Audit Trail data
using MasterLink32 software only. All data and configuration information is lost and the
recorder is in a firmware default configuration after upgrading
the firmware.
NOTE: If the ERX has an optional pressure expansion board installed, discount the expansion
board’s ribbon cable from J2 of recorder’s main circuit board prior to upgrading firmware
Procedure to Upgrade ERX Recorder Firmware:
1. Connect the MPA (40-2620) to J5 I/O port on the printed circuit board.
2. Connect the Serial Cable (40-1629) from the MPA to the computer COM port.
3.
4. From the Menu bar select SetupCommunications, adjust port and baud rate as required
Start Firmware Upgrade Manager
The following steps reference Min-Max command buttons; the ERX and ERX Recorder… based
on the operating platform.
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5. Click Mini-Max, which generates the Open screen prompting for a location of the
firmware text file and then drill to the file location by using Windows conventions.
6. Once you have drilled to the location of the file, highlight the desired file and click Open,
producing a Modal screen:
7. Click Ok to establish a serial link to the recorder
8. Click Begin, but do not select Pre-Firmware Upgrade Data Collection or Post-Firmware Upgrade Data Restoration check boxes.
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10. Click Ok to the following Modal screen to continue
11.A number of status screens will appear:
Connecting to MPA
Erasing Current Firmware
Sending New Firmware
Verifying Firmware Upgrade
12. Finally, if the upgrade procedure was successful, the following screen will display the newly
installed firmware version
13. Click Close
14. Discount link and re-link to recorder using MasterLink32 software and upload the item file
created previously, then load Non-Cal Items and Cal Items to restore the configuration and
calibration items.
15. Reset the date and time in recorder.
16. Verify the ERX Recorder has the proper configuration.
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Putting the ERX Recorder into “Shutdown”
Shutdown is a mode of operation invoked by the user prior to placing the instrument into storage
or prior to performing some type of board maintenance. The MasterLink32 Link software
manual describes the procedure for putting the ERX Recorder into shutdown. There are two
types of “Shutdown” that can be induced into the ERX Recorder; Partial and Complet
e. The
connection status of the battery packs determines which type of Shutdown the instrument
assumes.
Partial Shutdown
To put the ERX Recorder into “partial shutdown”, from MasterLink32 Link software, select and
confirm “SHUTDOWN” from the “Instrument” menu. Leave the main battery plugged-in.
In partial shutdown, the recorder’s real-time clock will continue to update; however, the sampling
of pressure or temperature of the gas no longer occurs. The LCD will show dashes “- - - - - - - “across the display. The recorder still draws normal background current from the main battery
when placed in partial shutdown, and it preserves all item values and audit trail information.
To recover from a partial shutdown, i.e., return to Sample Mode, simply press the MI button.
Complete Shutdown
To put the ERX Recorder into “complete shutdown”, from MasterLink32 Link software, select
and confirm “SHUTDOWN” from the “Instrument” menu, then unplug the main battery, and
remove the super cap jumper. In complete shutdown, the clock of the recorder will stop working
and the sampling of pressure or temperature of the gas no longer occurs. The configuration data
of the recorder and all item va
the batteries are unplugged.
In order to bring the ERX Recorder out of a complete shutdown, simply plug in the main battery
and replace the super cap jumper. It will be necessary to reset the date, time, and other items that
are not current.
lues are retained in E2PROM. The LCD display will go blank once
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Taking the ERX Recorder “Un-Configured”
“Un-Configured” refers to resetting the instrument’s items to a firmware default.
Firmware defaults are different from the default values in the “Parameter Item List” section.
The default values listed in “Parameter Item List” are a combination of firmware and factory
defaults.
Once the ERX Recorder is “un-configured” Audit Trail, calibration informatio
n, and instrument
settings are all cleared. Therefore, it is important to record (down load an item file) this
information before taking the ERX Recorder un-configured. Specific information about
downloading an item file is available in MasterLink32 software.
There are two methods to put an ERX Recorder in un-configured state. The first is with
MasterLink32 Software, and the second is a hardwar
e method that is useful if a serial link cannot
be established.
Software method:
1. Make a physical connection to the ERX Recorder via serial link.
2. Start MasterLink32
3 Select form the Menu bar SetupAdvanceRaw Instrument AccessRaw Item
Access left click Raw Item Access
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This generates the modal screen:
3. Enter the 264 in the Item Number field
4. Enter 20141465 in the Item Value field
5. Click Write
6. Perform a software disconnect link, see MasterLink32 Help, for details
Prior to commissioning the recorder again, reset the date and time and operating
parameters by downloading an item file to the recorder or through individual items.
Hardware method--if serial link cannot be established
1
. Remove the jumper on JP1, (removes the SuperCap from circuits)
2. Disconnect the power supply from the recorder and allow the LCD to go blank (within 15
seconds)
3. While holding in the MI button, connect the battery and continue to hold the
MI button for at least 10 seconds. You should see Button Down on the display.
4. To reset the recorder to ERX firmware defaults, release the MI button whe
reads REL 4D FLT or to restore the recorder to its preconfigured configuration continue
to hold the MI button until the display reads DISPLAY TEST, then RESTORE, release
MI button.
5. Replace JP1, reconnects Super Cap to circuits
Prior to commissioning the recorder again, reset the date and time and operating
parameters by downloading an item file to the recorder or through indiv
n the display
idual items.
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Parameter Item List
All items that make up the operating parameters, codes, alarms, calibration references, voltage
levels and other information relative to operation or configuration of the Mercury Instruments
ERX Recorder are listed below. When connected and linked to a computer, all ERX Recorder
items can be displayed or changed in the Display/Item by Function of MasterLink32 software.
Item
Item Name & Description
061 Display Test
A test pattern generated by the microprocessor that gives a visual indication of the status
of LCD; pattern energizes all segments of LCD.
104 A/D FAULT
This item indicates if an alarm for the A/D Converter was generated. If the
microprocessor detects an A/D fault (Analog to Digital), an alarm is initiated and is
indicated by placing dots on
104 indicates there is no A/D Converter Alarm. The alarm indicators will remain active
until manually cleared (by software). Unlike other instrument alarms, an A/D Fault is
usually a hardware failure that requires factory replacement of a component on the main
circuit board, or a field replacement of the main board.
Default = 00000000
118
Reference Number 1 000000000
119 Reference Number 2 00000000
127 Instrument Type 10
Selection for the unit-of-measure for P2 pressure item 501, if changed to a diff
all P2 pressure-related items are converted and displayed to the new unit-of-measure.
See below for possible pressure unit choices.
Default: 0-PSIG
1-PSIA 2-kPA
3-mPa
4-Bar
5-mBar 6-KGcm2
7-in WC 8-in HG 9-mm HG
10-Oz
410 P3 Pressure Calibration Date
Date of the most recent P3 calibration
Default: 01-01-04
411 P3 Pressure Transducer Serial Number
Default: 00000000
412 P3 Pressure Range
P3 transducer in PSI
Default: 333.00
414 P3 Pressure Zero Offset
The most recent span value for P3 pressure transducer and obtained during a pressure
span calibration. A value that is normally ver
Pressure Span Calibration
Default = 0.0000
.
y close to 0.0000 and recalculated on each
415 P3 Pressure Previous Zero Offset
The previous P3 zero offset value recorded in item 414, updated on each calibration.
Default: 0.0000
erent type,
41
Item Item Name & Description
417 P3 Pressure Span Factor
The most recent span value factor for P3 pressure transducer and obtained during a
pressure span calibration. The value is normally very close to 1.0000 and recalculated on
each pressure span calibration.
Default = 1.0000
418 P3 Pressure Previous Span Factor
The previous P3 span factor recorded in item 417, updated on each calibrat
Default: 1.0000
419 P3 Pressure Range User
The upper pressure range limit, automatically scaled to the pressure units selected at item
408. If PSI is the selected pressure units, then item 419 will be the same as item 412.
NOTE: The value at Item 419 and maybe manually edited to a rounded-off number, if
desired.
Default = 333.00
420 P3 Gas Pressure
Gas pressure measured at the las
t wake-up. The pressure reading is scaled to the unit of
measure selected at item 408.
421 P3 Average Pressure
P3 average pressure that occurred during the log interval
422 P3 Interval High Pressure
Highest P3 pressure reading recorded during the log interval.
423 P3 Interval Low Pressure
Lowest P3 pressure reading recorded during the log interval.
424 P3 Current Day Average Pressure
Av
erage P3 pressure readings recorded for the current day.
425 P3 Previous Day Average Pressure
Previous value recorded in item 424
426 P3 Maximum Pressure
Maximum P3 pressure reading recorded since the recorder was last reset.
Default: 0.000
427 P3 Maximum Pressure Time
Time of maximum P3 pressure reading was recorded since the recorder was last reset.
Default: 00 00 00
428 P3 Maximum Press
ure Date
Date of the maximum P3 pressure reading since the recorder was last reset.
Default: 01-01-04
ion.
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Item Item Name & Description
429 P3 Minimum Pressure
Minimum P3 pressure reading recorded since the recorder was last reset.
Default: 333.00
430 P3 Minimum Pressure Time
Time of minimum P3 pressure reading was recorded since the recorder was last reset.
Default: 00 00 00
431 P3 Minimum Pressure Date
Date of the minimum P3 pressure reading since the recorder was last reset.
Default: 01-01
-04
Board Coefficients
441 P2 Board Coefficients A 0.0000
442 P2 Board Coefficients B 1.0000
443 P2 Board Coefficients C 0.0000
444 P2 Board Coefficients D 1.0000
445 P3 Board Coefficients A 0.0000
446 P3 Board Coefficients B 1.0000
447 P3 Board Coefficients C 0.0000
448 P3 Board Coefficients D 1.0000
451 P3 High Alarm
Binary indication whether a P3 high alarm occurr
ed.
Default: 00000000, No alarm
11111111, Alarm
452 P3 Low Alarm
Binary indication whether a P3 low alarm occurred.
Default: 00000000, No alarm
11111111, Alarm
453 P3 Current Day High Pressure
Maximum P3 pressure reading recorded during the current day.
Default: 0.000
454 P3 Current Day Low Pressure
Minimum P3 pressure reading recorded during the current day.
Default: 333.00
455
P3 Pressure High Alarm Limit
User defined P3 pressure limits that if exceeded will cause the recorder to alarm.
456 P3 Pressure Low Alarm Limit
P3 pressure limits that if exceeded will cause the recorder to alarm.
Default: -1.00
43
44
Item Item Name & Description
457 P3 Current Day High Time
Time of P3 maximum pressure reading was recorded during the current day.
Default: 00 00 00
458 P3 Current Day High Date
459 P3 Pressure Dead Band
A hysteresis band that provides a buffer below the P3 pressure high limit and above the
P3 low pressure limit when alarms are automatically cleared by RBX. The user-specified
value determ
ines the magnitude of the band. The P3 pressure measurement must pass
completely through the dead band before the pressure alarm is automatically cleared.
Default: 5.00
481 Max Audit Trail Records
Maximum number of Audit Trail records
Default: 5045
483 Alarm Message
Optional alphanumeric character (8) that is a user-defined text string is displayed on the
LCD in 2-second intervals when an
alarm has occurred. That is, typing the word
‘ALARM’ in item 483 will cause the display to alternate between a pressure reading and
ALARM every 8 seconds.
Default: Blank
484 Alarm Channel Control
Selection to determine if the Alarm Channel at TB2 is used as an alarm pulse output or
used to control power of an external device; that is cellular phones, modems, and etc.
Code Value
Default: 0 A
larm Pulse Output
1 Modem Power Control
498 P3 Current Day Low Time
Time of lowest recorded P3 pressure reading during the current day.
Default: 00 00 00
499 P3 Current Day Low Date
Default: 01-01-04
500 P1 Gas Pressure
The last recorded measurement of gas pressure from the primary pressure transducer and
scaled to the selected pressure units at item 549.
Default: 0.00
50
1 P2 Gas Pressure
The last recorded measurement of gas pressure from the primary pressure transducer and
scaled to the selected pressure units at item 550.
Default: 0.00
Item Item Name & Description
502 Temperature
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The last recorded measurement of gas temperature and is scaled to the selected
temperature units at 551.
Default: -40.00
503 Case Temperature
The last recorded measurement of the air temperature inside the recorder, considered an
ambient temperature measurement.
Default: -40.00
504 Case Maximum Temperature
The highest recorded case temperature measurement since the recorder was last reset.
D
efault: -40.00
505 Case Minimum Temperature
The lowest recorded case temperature measurement since the recorder was last reset.
Default: 165.00
506 P1 Pressure Calibration Zero Offset
The most recent span value for P1 pressure transducer and obtained during a pressure
span calibration. A value that is normally very close to 1.0000 and recalculated on each
Pressure Span Calibration
.
Default = 0.000
507 P1 Previous Calibration Zero Offset
The previous P1 span factor recorded in item 506 and is updated on each calibration.
Default: 0.000
508 P1 Pressure Calibration Span Factor
The most recent span value factor for P1 pressure transducer and obtained during a
pressure span calibration. The value is normally very close to 1.0000 and recalculated on
each pressure span calibration.
D
efault = 1.0000
509 P1 Previous Calibration Span Factor
The previous P1 span factor recorded in item 508 and is updated on each calibration.
Default: 1.0000
510 P2 Calibration Zero Offset
The most recent span value for P2 pressure transducer and obtained during a pressure
span calibration. A value that is normally very close to 0.0000 and recalculated on each
Pressure Span Calibrat
Default: 0.0000
ion
.
511 P2 Previous Calibration Zero Offset
The previous P2 zero offset value recorded in item 510 and is updated on each
calibration.
Default: 0.0000
Item Item Name & Description
512 P2 Pressure Calibration Span Factor
The most recent span value factor for P2 pressure transducer and obtained during a
pressure span calibration. The value
is normally very close to 1.0000 and recalculated on
each pressure span calibration.
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Default = 1.0000
513 P2 Previous Calibration Span Factor
The previous P2 span factor recorded in item 512 and is updated on each calibration.
Default: 0.000
514 Temperature Calibration Zero
The current temperature zero offset calibration constant. The value is normally very
close to 0.00 and calculated on each temperature zero calibration.
Default: 0.00
515 Temperature Previous Calibration
Zero Offset
The previous temperature zero offset constant recorded in item 514 and is updated on
each calibration.
Default: 0.00
516 Temperature Calibration Span
The most recent temperature span value factor obtained during a temperature span
calibration. The value is normally very close to 1.0000 and recalculated on each
temperature span calibration.
Default: 1.000
0
517 Temperature Previous Calibration Span Factor
The previous temperature span factor recorded in item 516, updated on each calibration.
Default: 1.0000
518 P1 Pressure Calibration Date
The date automatically obtained form item 583 at the time of the P1 pressure zero
calibration.
Default: 01-01-04
519 P2 Pressure Calibration Date
The date automatically obtained form item 583 at the t
calibration.
Default: 01-01-04
520 Temperature Calibration Date
The date automatically obtained form item 583 at the time of the temperature zero
calibration.
Default: 01-01-04
521 Battery Voltage Reading
Battery voltage reading obtained during the most recent wake-up.
ime of the P1 pressure zero
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Item Item Name & Description
522 Battery Low Volt Limit
Voltage limit at which the recorder will automatically generate a low voltage alarm if the
battery reading, reads below limit.
Default: 4.30
523 Shutdown Voltage Limit
The voltage level at which “..H.E.L.P..” is displayed on the LCD as an indication that the
battery is about dead and needs to be replaced.
Default: 4.00
528 Clear Alarms
via LCD
This item enables the clearing of all active alarms via the MI Logo. During the Display
List Mode, the "E.E.E.E.E.E.E.E." display will appear after scrolling through all active
alarms. Allow the recorder to time-out (1-minute) at this display to clear the alarms. If
the MI Logo is used to scroll to the next display item in the list the alarms are not
cleared.
Code
0- No
Default: 1-
Yes
530 Display List 1 Item 1 580, Site ID Number
531 Display List 1 Item 2 582, Time
532 Display List 1 Item 3 583, Date
533 Display List 1 Item 4 503, Case Temperature
534 Display List 1 Item 5 521, Battery Voltage Reading
535 Display List 1 Item 6 255, Reserved
536 Live Display Enable
If configured, the recorder will display live P1, P2, and P3 live pressure and temp
readings as part of the Display List. If enabled, the first live parameter will follow the
last Display List 1 item and prior to the first Display List 2 item. All live parameters
have a 30-minute time-out, instead of the usual 1-minute time-out.
Default: Same as item 576
537 Display List 2 Item 1 631, P1 Maximum
538 Display List 2 Item 2 637 Maximum Pressure Time
539 Display Lis
t 2 Item 3 638, Maximum Pressure Date
540 Display List 2 Item 4 632, P1 Minimum
541 Display List 2 Item 5 639, Minimum Pressure Time
542 Display List 2 Item 6 640, Minimum Pressure Date
543 Display List 2 Item 7 651, P1 Interval Low Pressure
544 Display List 2 Item 8 650, P1 Interval High
545 Display List 2 Item 9 649, P1 Interval Average
546 Display List 2 Item 10 255, Re
served
547 Display List 2 Item 11 255, Reserved
548 Display List 2 Item 12 255, Reserved
erature
47
Item Item Name & Description
549 Pressure 1 Units
Selection for the unit-of-measure for P1 pressure item 500 and if changed to a different
type, all P1 pressure related items are converted and displayed in the new unit-ofmeasure. See below for possible pressure unit choices.
550 Pressure 2 Units
Selection for the unit-of-measure for P2 pressure item 501 and if changed to a different
type,
all P2 pressure related items are converted and displayed to the new unit-of-
measure.
Possible choices for Item 549, 550, and 408 are:.
Code Value
Default: 0 PSIG
1 PSIA 2 kPA
3 mPa 4 Bar 5 mBar 6 KGcm2 7 in WC 8 in HG 9 mm HG
10 Oz 11 Volts
12Millivolts
551 Temperature Units
Selec
tion for the unit-of-measure for gas temperature item 502 and if changed to a
different type, all temperature related items are converted and displayed to the new unitof-measure. See below for possible temperature unit choices.
Code Value
Default: 0 Fahrenheit
1 Celsius 2 Rankine 3 Kelvin
552 Pressure Display Resolution
This item controls the how many decimal
place that recorder will displayed and applies to
all pressure units.
Code Value
0 XXXXXXXX.
1 XXXXXXX.X
Default: 2 XXXXXX.XX
3 XXXXX.XXX
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Item Item Name & Description
553 P1 Pressure High Alarm Limit
The pressure reading that automatically produces a high-pressure alarm. This value is a
user selectable item and is normally set somewhere between 50 & 100% of transducer
range.
Default: 111.00
554 P1 Pressure Low Alarm Limit
The pressure reading that automatically produces a low-pressure alarm. .
Default: -1.00
555 P2 Pre
ssure High Alarm Limit
The pressure reading that automatically produces a high-pressure alarm. This value is a
user selectable item and is normally set somewhere between 50 & 100% of transducer
range.
Default: 222.00
556 P2 Pressure Low Alarm Limit
The pressure reading that automatically produces a low-pressure alarm. .
Default: -1.00
557 Temperature High Alarm Limit
The temperature
reading that automatically produces a high-temperature alarm. This
value is a user selectable item.
Default: 165.00
558 Temperature Low Alarm Limit
The temperature reading that automatically produces a low-temperature alarm. .
Default: -35.00
Alarm Status Indicators for items 559 through 568:
Code Value
Default: 00000000 No alarm
11111111 Alarm
A 50-millisecond alarm pulse,
transmitted out the alarm channel occurs at the time the recorder
alarms. All alarms must be cleared before the recorder will again output a 50-millisecond alarm
pulse.
559 P1 High Pressure Alarm
Code Value
Default: 00000000 No alarm
11111111 Alarm
560 P1 Low Pressure Alarm
Code Value
Default: 00000000 No alarm
11111111 Alarm
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Item Item Name & Description
561 P2 High Pressure Alarm
Code Value
Default: 00000000 No alarm
11111111 Alarm
562 P2 Low Pressure Alarm
Code Value
Default: 00000000 No alarm
11111111 Alarm
563 Temperature High Alarm
A gas temperature reading that will automatically produce a high temperature alarm.
This value is user selectable and is normally set to a value that is
flowing temperature. Setting the limit to 170.00 can defeat a high temperature alarm.
Default: 170.00.
558 Temperature Low Alarm Limit
A gas temperature reading that will automatically produce a low temperature alarm. This
value is user selectable and is normally set to a value that is greater than the average
flowing temperature. Setting the limit to -40.00 can defe
Default: -40.00.
568 Alarm Output
Code Value
Default: 00000000 No alarm
11111111 Alarm
569 Transducer Type
This item is for reference only and does not effect the pressure transducer calibration or
performance.
Code Value
Default: 0 Gauge
1 Absolute
570 P1 Pressure Range PSI
The upper limit of the installed P1 pressure transducer and is always e
Default: 111.00
571 P2 Pressure Range PSI
The upper limit of the installed P2 pressure transducer and is always expressed in PSI.
Default: 222.00
572 P1 Pressure Range User
The upper pressure range limit, automatically scaled to the pressure units selected at item
549. If PSI is the selected pressure units, then item 572 will be the same as item 571.
NOTE: The value at item
desired.
Default: 111.00
572 may be manually edited to a rounded-off number, if
greater than the average
at a low temperature alarm.
xpressed in PSI.
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Item Item Name & Description
573 P2 Pressure Range User
The upper pressure range limit, automatically scaled to the pressure units selected at item
550. If PSI is the selected pressure units, then item 573 will be the same as item 572.
NOTE: The value at item 573 may be manually edited to a rounded-off number, if
desired.
Default: 111.00
574 P1 Transducer Serial Number
Note: Forcing facto
ry defaults will not change the value of this item.
Default: 00000000
575 P2 Transducer Serial Number
Note: Forcing factory defaults will not change the value of this item.
Default: 00000000
576 Instrument Configuration
Selection that defines the number and type of transducers (pressure or temperature)
installed in a particular recorder. MasterLink32 uses this item to determine number
type of transducers installed in the recorder. If improperly configured will limit the
functionality of MasterLink32.
Code Value
Default: 1 P1
2 3 P1 & P2
4 T
5 P1 & T
7 P1, P2, & T
8 P1, P2, P3,
9 P1, P2, P3, & T
577 Recorder Serial Number
The numerical portion of the instrument's serial number label that is located in the inside
of door.
Disregard the leading zero, the first two digits indicate the year of manufacture,
and the last five digits are assigned sequentially from the beginning of the year.
Default: 0
578 Firmware Version
This item contains the recorder’s operating firmware version number. Automatically
insert when a firmware file it upload in the recorder.
579 Instrument Type
Use by MasterLink32 and other softwar
580 Site ID Number
First of two numeric fields that are used by MasterLink32 and other software programs to
identify the recorder and up to eight digits may be used and the only valid characters are
0-9.
Default: Instrument serial number
and
e programs that identifies the instrument type.
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Item Item Name & Description
581 Site ID Number Part 2
Second of two numeric fields that are used by MasterLink32 and other software programs
to identify the recorder and up to eight digits may be used and the only valid characters
are 0-9.
Default: Instrument serial number
582 Time
Settable Real Time Clock that displays hours, minutes and seconds in 24-hour "military
format," e.g., 14:30:02
would indicate 2 seconds past 2:30 PM. This Time (and Date,
item 583) is used to time-stamp records stored in data logger memory.
Default: 12 00 00
583 Date
A numeric field that indicates the day, month and year of a calendar year and which
automatically tracks the days in the month, including a leap year. Leading zeros are
required, where applicable. Date and time are used to time-stamp
records stored in data
logger.
Default: 01-01-04
584 Date Format
A user configurable item that allows the user to determine how a date is entered and
displayed.
Code Value
Default: 0 MM - DD - YY
1 DD - MM - YY
585 Log Interval
User selected period that determines how often a time-stamped record is placed in the
Audit Trail and is identified by “TIME”. All available log interv
als will produce a timestamped record at the top-of-hour. Log Intervals less than 60 minutes will also timestamp records at each selected interval, starting at the top of the hour.
Code Value
0 24 Hours
Default: 1 60 Minutes
2 30 Minutes 3 15 Minutes 4 5 Minutes 5 1 Minute
586 Sample Interval
Us
er selected time period that determines how often the recorder will wake up to measure
(sample) the analog inputs, i.e., P1, P2, P3 T, Case Temp, and Battery Voltage.
Code Value 0 60 Seconds
1 30 Seconds
2 15 Seconds
Default 3 10 Seconds
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Item Item Name & Description
587 Start Time
A user selected time of day when selected items are re-zeroed and the next day’s
calculations begin. Generally the "Start Time" is set to midnight to coincide with the
calendar day, but other top of the hour times may be entered.
Default: 00 00 00
588 Instrument Baud Rate
Codes (0-8) are to select the instrument’s baud rate for all local serial
connection. If
Auto baud is selected the instrument will connect to the computer at the baud rate at
which the software is set. If any other selection is made the computer baud rate must
match that of the instrument in order to communicate.
Code Value Code Value
0 9600 5 Not Used
1 4800 6 19200
2 2400 7 38400
3 1200 8 Auto Baud - Default
4 Not Used
Audit Report Items-Default
The ten user-selectable recorder items that can be stored in memory and then used to
create historical data based on the selected Audit Trail items. Any of the instrument's
items can be selected, but generally should be restricted to items whose value can be
graphed, such as pressure or temperature, etc. Any report position can be left blank
(unused) by inserting the number "255" instead of an i
tem code number.
Pressure only default Audit Trail
589 Report Item 2 500, P1 Pressure
590 Report Item 2 651, P1 Interval Low Pressure
591 Report Item 3 650, P1 Interval High Pressure
592 Report Item 4 649, P1 Interval Avg. Pressure
593 Report Item 5 672, P1 Current Day Low Press.
594 Report Item 6 681, P1 Current Day Low Time
595 Report Item 7 671, P1 Current Day Hi
596 Report Item 8 679, P1 Current Day Hi time
597 Report Item 9 503, Case Temperature
598 Report Item 10 521, Battery Voltage Reading
599 Time Trigger Enable
When enabled, item 585 log interval will cause an Audit Trail record to be placed in
memory and is indicated by the log trigger: Time.
Code Value
0 Inactive
Default: 1 Active
gh Press
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Item Item Name & Description
600 Calibration Trigger Enable
When enabled, a calibration of the recorder will cause an Audit Trail record to be placed
in memory and is indicated by the log trigger: Calibration
Code Value
0 Inactive
Default: 1 Active
601 Alarm Trigger Enable
When enabled, the occurrence of any alarm will cause an Audit Trail record to be placed
in memory and is indicated
by the log trigger: Alarm
Code Value
0 Inactive
Default: 1 Active
602 Serial Trigger Enable
When enabled, any successful sign-on through the serial port will cause an Audit Trail
record to be placed in memory and is indicated by the log trigger: Serial
Code Value
0 Inactive
Default: 1 Active
603 Mag Trigger Enable-MI Logo Button
When enabled, anytime the MI Logo button is used to initiate the display list mode, an
Audit Trail record is placed in memory and is indicated by the log trigger: Mag
Code Value
0 Inactive
Default: 1 Active
604 Change Trigger Enable
When enabled, anytime a user changes an item value, an Audit Trail record is placed in
memory and is indicated by the log trigger: Change
The maximum P1 pressure sample reading since the last reset.
Default: -1.00
632 P1 Minimum Pressu
re
The minimum P1 pressure sample reading since the last reset.
Default: 9999.00
633 P2 Maximum Pressure
The maximum P2 pressure sample reading since the last reset.
Default: -1.00
634 P2 Minimum Pressure
The minimum P2 pressure sampled reading since the last reset.
Default: 9999.00
635 Gas Temperature Maximum
The maximum temperature sample reading since the last reset.
Default: -40.0
0
The minimum temperature sample reading since the last reset.
Default: 165.00
637 P1 Maximum Pressure Time
The time the recorder’s maximum P1 pressure sample reading occurred, since the
recorder was, last reset.
Default: 00 00 00
638 P1 Maximum Pressure Date
The date the recorder’s maximum P1 pressure sample reading occurred, since the
recorder was last reset.
Default: 01-01-04
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Item Item Name & Description
639 P1 Minimum Pressure Time
The time the recorder’s minimum P1 pressure sample reading occurred, since the
recorder was, last reset.
Default: 00 00 00
640 P1 Minimum Pressure Date
The date the recorder’s minimum P1 pressure sample reading occurred, since the recorder
was last reset.
Default: 01-01-04
641 P2 Maximum Time
The time the recorder’s maximum P
2 pressure sample reading occurred, since the
recorder was last reset.
Default: 00 00 00
642 P2 Maximum Date
The date the recorder’s maximum P2 pressure sample reading occurred, since the
recorder was last reset.
Default: 01-01-04
643 P2 Minimum Time
The time the recorder’s minimum P2 pressure sample reading occurred, since the
recorder was last reset.
Default: 00 00 00
644 P2 Minimum
Date
The date the recorder’s minimum P2 pressure sample reading occurred, since the recorder
was last reset.
Default: 01-01-04
645 Temperature Maximum Time
The time the recorder’s maximum T1 temperature sample reading occurred, since the
recorder was last reset.
Default: 00 00 00
646 Temperature Maximum Date
The date the recorder’s maximum T1temperature sample reading occurred, sinc
recorder was last reset.
Default: 01-01-04
647 Temperature Minimum Time
The time the recorder’s minimum T1 temperature sample reading occurred, since the
recorder was last reset.
Default: 00 00 00
e the
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Item Item Name & Description
648 Temperature Minimum Date
The time the recorder’s minimum T1 temperature sample reading occurred, since the
recorder was last reset.
Default: 01-01-04
P1 highest pressure reading that occurred during the interval.
Default: -1.00
651 P1 Interval Low
P1 lowest pressure reading that occurred during the interval.
Default: 9999.99
652 P2 Interval Average
P2 p
ressure reading averages of the entire recorder’s sampled readings during the
interval.
Default: -1.00
653 P2 Interval High
P2 highest pressure reading that occurred during the interval.
Default: -1.00
654 P2 Interval Low
P2 lowest pressure reading that occurred during the interval.
Default: 9999.99
655 Temperature Interval Average
T1 temperature reading averages of the entire recorder’
interval.
Default: -40.00
656 Temperature Interval High
T1 temperature highest sample reading that occurred during the interval.
Default: -40.00
657 Temperature Interval Low
T1 temperature lowest sample reading that occurred during the interval.
Default: 165.00
658 P1 Interval High Time
The time at which the recorder’s maximum P1 pressure reading (item
during the interval.
Default: 00 00 00
The date at which the recorder’s maximum P1 pressure reading (item 650) occurred,
during the interval.
Default: 01-01-04
s sampled readings during the
650) occurred
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Item Item Name & Description
660 P1 Interval Low Time
The time at which the recorder’s minimum P1 pressure reading (item 651) occurred
during the interval.
Default: 00 00 00
661 P1 Interval Low Date
662 The date at which the recorder’s minimum P1 pressure reading (item 651) occurred
during the interval.
Default: 00 00 00
663 The time at which the recorder’s maximum P2 pressure readin
g (item 653) occurred
during the interval
Default: 00 00 00
664 The date at which the recorder’s maximum P2 pressure reading (item 653) occurred
during the interval.
Default: 01-01-04
665 The time at which the recorder’s minimum P2 pressure reading (item 654) occurred
during the interval.
Default: 00 00 00
665 P2 Interval Low Date
The date at which the recorder’s minimum P2 pressure read
ing (item 654) occurred
during the interval.
Default: 01-01-04
666 The time at which the recorder’s maximum T1 temperature sample reading (item 656)
occurred during the interval.
Default: 00 00 00
667 Temperature Interval High Date
The date at which the recorder’s maximum T1 temperature sample reading (item 656)
occurred during the interval.
Default: 01-01-04
668 Temperature Interval Low T
ime
The time at which the recorder’s minimum T1 temperature sample reading (item 656)
occurred during the interval.
Default: 00 00 00
669 Temperature Interval Low Date
The date at which the recorder’s minimum T1 temperature sample reading (item 656) that
occurred during the interval.
Default: 01-01-04
670 P1 Current Day Average
Recorder’s average P1 sampled pressure readings that occur
red during the current day.
Default: -1.00
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Item Item Name & Description
671 The maximum P1 pressure sampled readings that occurred during the current day.
Default: -1.00
672 P1 Current Day Low
The minimum P1 pressure sampled readings that occurred during the current day.
Default: 9999.99
673 P2 Current Day Average
Recorder’s average P2 sampled pressure readings that occurred during the current day.
Default: -1.00
674 P2 Curr
The maximum P2 pressure sampled reading that occurred during the current day.
675 P2 Current Day Low
The minimum P2 pressure sampled reading that occurred during the current day.
676 Temperature Current Day Average
Recorder’s average T1 temperature sampled readings that occurred during the current
day.
677 Temperature Curr
The maximum T1 temperature sampled reading that occurred during the current day.
678 Temperature Current Day Low
The minimum T1 temperature sampled reading that occurred during the current day.
679 P1 Current Day High Time
The date at which the recorder’s maximum P1 pressure reading (item 671) occurred
during the current day.
680 P1 Current Day High Date
The date at which the recorder’s maximum P1 pressure reading (item 671) occurred
during the current day.
681 P1 Current Day Low Time
The time at which the recorder’s minimum P1 pressure reading (item 671) occurred
during the current day.
ent Day High
Default: -1.00
Default: 9999.99
Default: -40.00
ent Day High
Default: -40.00
Default: 165.00
Default: 01-0
1-04
Default: 01-01-04
Default: -1.00
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Item Item Name & Description
682 P1 Current Day Low Date
The date at which the recorder’s minimum P1 pressure reading (item 672) occurred
during the current day.
Default: 9999.99
683 P2 Current Day High Time
The time at which the recorder’s maximum P2 pressure reading (item 674) occurred
during the current day.
Default: 00 00 00
684 P2 Current Day High Date
The date at which the r
ecorder’s maximum P2 pressure reading (item 674) occurred
during the interval.
Default: 01-01-04
685 P2 Current Day Low Time
The time at which the recorder’s minimum P2 pressure reading (item 675) occurred
during the current day.
Default: 00 00 00
686 P2 Current Day Low Date
The date at which the recorder’s minimum P2 pressure reading (item 675) occurred
during the current day.
Default
: 01-01-04
687 Temperature Current Day High Time
The time at which the recorder’s minimum T1 temperature reading (item 677) occurred
during the current day.
Default: 00 00 00
688 Temperature Current Day High Date
The date at which the recorder’s maximum T1 temperature reading (item 677) occurred
during the current day.
Default: 01-01-04
689 Temperature Current Day Low Time
The time a
t which the recorder’s minimum T1 temperature reading (item 678) occurred
during the current day.
Default: 00 00 00
690 Temperature Current Day Low Date
The date at which the recorder’s minimum T1 temperature reading (item 678) occurred
during the current day.
Default: 01-01-04
691 P1 Previous Day Average Pressure
Recorder’s average P1 sampled pressure readings that occurred during the pr
Default: -1.00
evious day.
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Item Item Name & Description
692 P1 Previous Day High Pressure
Recorder’s maximum P1 sampled pressure readings that occurred during the previous
day.
Default: -1.00
693 P1 Previous Day Low Pressure
Recorder’s minimum P1 sampled pressure readings that occurred during the previous
day.
Default: 99999.99
694 Recorder’s average P2 sampled pressure readings that occurred during the previou
Default: -1.00
695 P2 Previous Day High Pressure
Recorder’s maximum P2 sampled pressure readings that occurred during the previous
day.
Default: -1.00
696 P2 Previous Day Low Pressure
Recorder’s minimumP2 sampled pressure readings that occurred during the previous day.
Default: 99999.99
697 Temperature Previous Day Average
Recorder’s average T1 sampled temperature readings th
at occurred during the previous
day.
Default: -1.00
698 Temperature Previous Day High
Recorder’s maximum T1 sampled temperature readings that occurred during the previous
day.
Default: -1.00
699 Temperature Previous Day Low
Recorder’s minimum T1 sampled temperature readings that occurred during the previous
day.
Default: -1.00
700 P1 Previous Day High Time
The time at which the reco
rder’s maximum P1 sampled pressure reading (item 692)
occurred during the previous day.
Default: 00 00 00
701 P1 Previous Day High Date
The date at which the recorder’s maximum P1 sampled pressure reading (item 692)
occurred during the previous day.
Default: 01-01-04
s day.
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Item Item Name & Description
702 P1 Previous Day Low Time
The time at which the recorder’s minimum P1 sampled pressure reading (item 693)
occurred during the previous day.
Default: 00 00 00
703 P1 Previous Day Low Date
The date at which the recorder’s minimum P1 sampled pressure reading (item 693)
occurred during the previous day.
Default: 01-01-04
704 P2 Previous Day High Time
Th
e time at which the recorder’s maximum P2 sampled pressure reading (item 695)
occurred during the previous day.
Default: 00 00 00
705 The date at which the recorder’s maximum P2 sampled pressure reading (item 695)
occurred during the previous day.
Default: 01-01-04
706 P2 Previous Day Low Time
The time at which the recorder’s minimum P2 sampled pressure reading (item 696)
occurred during
the previous day.
Default: 00 00 00
707 P2 Previous Day Low Date
The date at which the recorder’s minimum P2 sampled pressure reading (item 696)
occurred during the previous day.
Default: 01-01-04
708 Temperature Previous Day High Time
The time at which the recorder’s maximum T1 sampled temperature reading (item 698)
occurred during the previous day.
Default: 00 00 00
709 Temperature
Previous Day High Date
The date at which the recorder’s maximum T1 sampled temperature reading (item 698)
occurred during the previous day.
Default: 01-01-04
710 Temperature Previous Day Low Time
The time at which the recorder’s minimumT1 sampled temperature reading (item 699)
occurred during the previous day.
Default: 00 00 00
711 Temperature Previous Day Low Date
The date at which th
e recorder’s minimum T1 sampled temperature reading (item 699)
occurred during the previous day.
Default: 00 00 00
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Item Item Name & Description
769 RBX Alarm Enable
When the RBX function (Report By Exception) is disabled, all instrument alarms operate
as in previous versions of firmware, i.e., alarms stay active until manually cleared. When
RBX is enabled, instrument alarms are automatically cleared after the alarm parameter
returns to its normal operating range, buffered by a user- specified dead band.
Code Value
Default: 0 Alarm
1 RBX Enable
770 P1 Dead Band
A hysteresis band that provides a buffer below the P1 pressure high limit and above the
P1 low-pressure limit and if enabled, alarms are automatically cleared by RBX. The
user-specified value determines the magnitude of the band. The P1 pressure
measurement must pass completely through the dead band before the pressure al
arm is
automatically cleared.
Default: 5.00
771 Temperature Dead Band 10.0000
A hysteresis band that provides a buffer below the T1 temperature high limit and above
the T1 temperature low limit and if enabled, alarms are automatically cleared by RBX.
The user-specified value determines the magnitude of the band. The P1 pressure
measurement must pass completely through the dead band before th
e pressure alarm is
automatically cleared.
Default: 10.00
772 Battery Dead Band
A hysteresis band that provides a buffer below
Default: 1.00
776 When enabled, a CLR ALARM log trigger is written in the Audit Trail at the time the
alarm is cleared, either manually or by RBX.
Code Value
Default: 0 Inactive
1 Active
774 Protocol Code A
Enables or disables the sending of time-out
error (error 21) during a serial link sign-on.
Code Value
Default: 0 Send all errors
1 Time-out error 21 not sent
775 Timeout Delay 1
Time in seconds that ERX waits for the host computer to send an ENQ, following an
EOT before issuing an error 21.
Default: 25
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Item Item Name & Description
776 Timeout Delay 2
Time in seconds that ERX waits for the host computer to send an ENQ, following an
EOT before issuing an error 21.
Default: 25
777 RBX Alarm Event
Indication of a RBX alarm activity since the recorder was last interrogated.
779 Sample Enable
780 Modem Initialization String
Character string used to initialize recorder’s modem at t
he beginning of a call-in.
Default: ATE0Q0V0X4
781 Modem Dial String
Character sting used to initial dialing.
Default: ATDT
782 Modem Hang-up String
Character string used to disconnect modem communications.
Default: ATH
783 Call Out Stop Time
User defined time during the calendar day the modem power control will end.
Default: 23 59 00
784 Call-in Phone Number 1, IP Address 1
Ph
one number or IP Address 1 the recorder will call when the scheduled call-in feature is
enabled.
785 Call-In Phone Number 2, Address 2
Phone number or IP Address 2 the recorder will call when the scheduled call-in feature is
enabled.
786 Modem Retry Interval A
The amount of time in minutes to wait before attempting a retry, following a failed
scheduled or alarm call-in. Often referred to
as the “Primary Retry Interval.”
Default: 5
787 Modem Retry Interval B
The amount of time in minutes to wait before attempting a retry, following a failed
scheduled or alarm call-in. Often referred to as the secondary retry interval.
Default: 1440, minutes
788 Modem Retry A Count
Number of times that interval A retries
Default: 3
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Item Item Name & Description
789 Modem AT Enable
Selection to that determines the type of call-in initiated by the recorder.
Code Value
0 Call-in via alarm pulse
Default:1 Call-in via AT commands
790 Parameter used to set the amount of time to leave the system powered up after a call-in
(allowing time for the host to call-back). Time is specified in minutes.
Defaul
791 Call-out Start Time
Parameter used to set the time of day to start the call-out cycle when using modem power
control.
Default: 00 00 00
792 Call-out Repeat Interval
Parameter used to set the amount of the time to wait from the beginning of the current
interval until repeating the call-out window set by the call-out keep alive time, specified
in minutes.
Default: 0 min
793 Call-out Keep Alive Time
Parameter used to set the time of day to start the call-out cycle when using modem power
control.
Default: 0 minutes
807 P3 High/High Alarm Limit
The high/high alarm feature adds an additional alarm notice, that is, in addition to the
normal high alarm limit set by item 455 and even higher alarm limit may be set, which
creates a two-step alarm noti
Default: 333.00
808 P3 Low/Low Alarm Limit
The low/low alarm feature adds an additional alarm notice, that is, in addition to the
normal low alarm limit set by item 456 and even lower alarm limit may be set, which
creates a two-step alarm notification.
Default: -1.00
809 P3 High/High Alarm
Code Value
Default: 00000000 No alarm
11111111 Alarm
810 P3 Low/Low Alar
Code Value
Default: 00000000 No alarm
11111111 Alarm
t: 15 minutes
utes
fication.
m
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Item Item Name & Description
811 P2 Dead Band
A hysteresis band that provides a buffer below the P2 pressure high limit and above the
P2 low-pressure limit and is cleared automatically by RBX if the alarm pressure
condition no longer exist. The user-specified value determines the magnitude of the
band. The P2 pressure measurement must pass completely through the dead band before
the pressure a
812 Default Display
A user-selectable parameter used to select which item will be displayed on the LCD when
the recorder is in the sample mode.
813 The high/high alarm feature adds an additional alarm notice, that is, in addition to the
normal high alarm limit set by item 553 and even higher alarm limit may be set, which
creates a t
814 The low/low alarm feature adds an additional alarm notice, that is, in addition to the
normal low alarm limit set by item 554 and even lower alarm limit may be set, which
creates a two-step alarm notification.
815 P1 High/High Alarm Code Value
11111111 Alarm
816 P1 Low/Low Alarm
11111111 Alarm
817 P2 High/High Alarm Limit
The high/high alarm feature adds an additional alarm notice, that is, in addition to the
normal high alarm limit set by item 555 and even higher alarm limit may be set, which
creates a two-step alarm notification.
818 P2 Low/Low Alarm Limit
The low/low alarm feature adds an additional ala
normal low alarm limit set by item 556 and even lower alarm limit may be set, which
creates a two-step alarm notification.
819 P2 High/High Alarm Code Value
11111111 Alarm
larm is automatically cleared.
Default: 5.00
Default: 500
wo-step alarm notification.
Default: 111.00
Default: -1.00
Default: 00000000 No alarm
Code
Value
Default: 00000000 No alarm
Default: 222.00
Default: -1.00
Default: 00000000 No alarm
rm notice, that is, in addition to the
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Item Item Name & Description
820 P2 Low/Low Alarm
Code Value
Default: 00000000 No alarm
11111111 Alarm
821 Modem Wake-up Delay
Default: 50, Tenths of second
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Find Out More:
To learn more about
Mercury Instruments products, contact your
Honeywell Process Solutions representative,
visit www.mercuryinstruments.com or call
513-272-1111.
Automation and Control Solutions
Honeywell Process Solutions
3940 Virginia Ave.
Cincinnati, OH 45227
513-272-1111
www.honeywell.com