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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 feature of the MI Modem. Once and an

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

Alarm Call-In

484

Alarm Channel Control

Alarm Pulse Output

789

Modem AT Enable

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.

Содержание ERX

Страница 1: ...Honeywell Process Solutions ERX Electronic Pressure Recorder User Manual October 2010 V 1 04 Honeywell ...

Страница 2: ...ons 1 02 07 16 07 Changed item 780 text to 790 missed labeled item Edited item 792 description Change item 789 default to No 09 13 07 1 03 Add Audit Trail Display list 2 for P3 Voltage monitoring 12 07 07 1 04 Honeywell 10 2010 ...

Страница 3: ...isplay LCD 14 Installation and Operation of the ERX Recorder 15 Function Check 15 Instrument Setup 16 Instrument Configuration 16 Pressure 16 Site IDs 16 Using MasterLink32 Software 17 Date and Time 17 Sample Interval 17 Log Interval 17 Start of Gas Day 17 Alarm Limits 17 2 Point Pressure Calibration Defined 18 2 Point Pressure Calibration Gauge Transducers 18 2 point pressure calibration procedur...

Страница 4: ...terval 29 Digi Span Fuel Switching Feature 31 Firmware Upgrade 32 Procedure to Upgrade ERX Recorder Firmware 32 Putting the ERX Recorder into Shutdown 35 Partial Shutdown 35 Complete Shutdown 35 Taking the ERX Recorder Un Configured 36 Software method 36 Hardware method if serial link cannot be established 37 Parameter Item List 38 Item Item Name Description 38 P3 Pressure Coefficients 38 Board Co...

Страница 5: ...erature 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 wall mounted pipe stand or as a portable unit in an 800 series case three pressure def...

Страница 6: ...nts 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 Mercury 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...

Страница 7: ... 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 1 can contain up to six items display list 2 up to twelve items Any of the instrument items maybe programmed in either list Live enable is ...

Страница 8: ...oftware 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 consist of two levels level one and level two Level 1 Level 1 software access is considered a lower level access to the instrument and software funct...

Страница 9: ...m 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 code item s turns on t...

Страница 10: ...ry 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 ...

Страница 11: ...mpletion 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...

Страница 12: ...656 653 652 677 595 671 653 653 655 652 421 687 596 679 652 652 676 655 655 521 597 503 503 421 503 673 673 255 598 521 521 521 521 521 521 255 Description of default 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...

Страница 13: ...escription 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 Current Day Average 650 P1 Interval High 676 Temperature Current Day Average 651 P1 Int...

Страница 14: ... 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...

Страница 15: ...r any loose parts and verify that all connectors are properly 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 battery pack ...

Страница 16: ...mple measurement mode to conserve battery power Continue to scroll through the remaining display list items until the recorder has returned to the sample measurement mode 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 temperature data if equipped...

Страница 17: ...e via computer Or Manually set time by entering the time in item 582 Manually set the date by entering the date in item 583 Sample Interval Item 586 Log Interval Item 585 Start of Gas Day Item 587 Alarm Limits Low Limit High Limit Low Low High High Pressure P1 554 553 814 813 Pressure P2 556 555 818 817 Pressure P3 452 451 808 807 Temperature 564 563 Battery 565 ...

Страница 18: ...ures 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 2620 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 t...

Страница 19: ...alibration 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 ...

Страница 20: ...m 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 NOW button when it becomes active tex...

Страница 21: ...essure 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 calculate...

Страница 22: ...bration 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 connected temperature probe The Two Point Calib...

Страница 23: ...arms have been cleared Output Pulse Specifications 1 All outputs are isolated from ground and each other 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 held for 50 mS Note Observe polarity Note A and A output cha...

Страница 24: ...ial 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 communicate with the ERX via a ribbon cable which is used for internal Messenger ...

Страница 25: ...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 ...

Страница 26: ...l 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 feature of the MI Modem Once and an 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 ...

Страница 27: ...hort 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 designed to interface with third party software applications that can accept a scheduled call in from a remote site To use this method s...

Страница 28: ...o call at schedule 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...

Страница 29: ...h 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 Ending Time Item 792 30 minutes Item 793 30 minutes Setting the above items to the values shown will keep a communication device powered f...

Страница 30: ... 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 On On On On On On 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 ...

Страница 31: ...d 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 Dig...

Страница 32: ...e 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 ...

Страница 33: ...ocation 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 ...

Страница 34: ...f 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...

Страница 35: ... 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...

Страница 36: ...re 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 hardware method that is useful if a serial lin...

Страница 37: ... 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 when the display reads REL 4D FLT or to restore the recorder to its preconfigured configuration conti...

Страница 38: ...larm 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 P3 Pressure Coefficients 150 P3 Pre...

Страница 39: ...Pressure Coefficient 18 30 00000 319 P1 Pressure Coefficient 19 0 000000 320 P1 Pressure Coefficient 20 0 000000 321 P1 Pressure Coefficient 21 0 000000 322 P1 Pressure Coefficient 22 30 00000 323 P1 Pressure Coefficient 23 0 000000 324 P1 Pressure Coefficient 24 0 000000 325 P1 Pressure Coefficient 25 0 000000 326 P1 Pressure Coefficient 26 30 00000 327 P1 Pressure Coefficient 27 0 000000 328 P1 ...

Страница 40: ...efficient 1 0 000000 342 P2 Pressure Coefficient 2 30 00000 343 P2 Pressure Coefficient 3 0 000000 344 P2 Pressure Coefficient 4 0 000000 345 P2 Pressure Coefficient 5 0 000000 346 P2 Pressure Coefficient 6 30 00000 347 P2 Pressure Coefficient 7 0 000000 348 P2 Pressure Coefficient 8 0 000000 349 P2 Pressure Coefficient 9 0 000000 350 P2 Pressure Coefficient 10 30 00000 351 P2 Pressure Coefficient...

Страница 41: ...ossible 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 transduce...

Страница 42: ... 00 420 P3 Gas Pressure Gas pressure measured at the last 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 interv...

Страница 43: ... 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 occurred 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 record...

Страница 44: ...ntervals 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 Al...

Страница 45: ...n 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 Default 1 0000 509 P1 Previous Calibration Span Factor The previous P1 span factor recorded in item 508 and is updated on ea...

Страница 46: ...during a temperature span calibration The value is normally very close to 1 0000 and recalculated on each temperature span calibration Default 1 0000 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...

Страница 47: ...e 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 temperature 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 L...

Страница 48: ...sure 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 12 Millivolts 551 Temperature Units Selection 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 unit of measure See below for possible te...

Страница 49: ...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...

Страница 50: ...than the average flowing temperature Setting the limit to 40 00 can defeat a low temperature alarm 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 installe...

Страница 51: ...nsducers 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 ...

Страница 52: ...re 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 avail...

Страница 53: ...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 item code number Pressure only default Audit Trail 589 Report Item 2 500 ...

Страница 54: ...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 Co...

Страница 55: ...ssure The maximum P1 pressure sample reading since the last reset Default 1 00 632 P1 Minimum Pressure 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 Max...

Страница 56: ...e 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...

Страница 57: ...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 s sampled readings during the interval Default 40 00 656 Temperature Interval High T1 temperature highest sample reading that occurred during the interval Default 40 00 657 Temperature Inte...

Страница 58: ... 00 00 665 P2 Interval Low Date The date at which the recorder s minimum P2 pressure reading 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 occurre...

Страница 59: ...Current Day Average Recorder s average T1 temperature sampled readings that occurred during the current day Default 40 00 677 Temperature Current Day High The maximum T1 temperature sampled reading that occurred during the current day Default 40 00 678 Temperature Current Day Low The minimum T1 temperature sampled reading that occurred during the current day Default 165 00 679 P1 Current Day High ...

Страница 60: ...ich 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 curr...

Страница 61: ...pressure readings that occurred during the previous day Default 99999 99 697 Temperature Previous Day Average Recorder s average T1 sampled temperature readings that 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 ...

Страница 62: ...m 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 D...

Страница 63: ...red 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 the pressure alarm is automatically cl...

Страница 64: ... 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 Phone 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 o...

Страница 65: ...ndow set by the call out keep alive time specified in minutes Default 0 minutes 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 alar...

Страница 66: ...es a two step alarm notification Default 111 00 814 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 Default 1 00 815 P1 High High Alarm Code Value Default 00000000 No alarm 11111111 Alarm 816 P1 Low Low Alarm Code Value Default 00000000 No al...

Страница 67: ...67 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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Страница 84: ...ut 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 ...

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