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325.6610.17

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3.2.2.5 Operating Modes

The following four modes of operation may be selected:

•

RUN

- displays concentration data

•

SETUP

- setup menu

•

ALARMS

- active alarm/events queue

•

DATA

- historical alarm/events queue

When the power is first applied, the unit activates in the

RUN

mode. In this mode, the

display shows active gas concentration information.

SETUP, ALARM,

and

DATA

modes

can be selected by pressing the appropriate key on the front panel keypad. These keys
are used to “toggle” between the respective modes and

RUN

. Since the

RUN

mode has

no key associated with it,

PRESSING THE RESPECTIVE MODE KEY AGAIN RETURNS

THE UNIT TO THE RUN MODE

. For example, in order to return to RUN mode from any of

these operating modes, the user must press the current mode key again (i.e., if in

SETUP

mode and the

SETUP

key is pressed, the operating mode returns to the

RUN

mode).

CAUTION

SETUP

ALARMS

, and

DATA

modes, gas-monitoring

continues to take place even though concentration values are

not shown on the display. However, when in SETUP, initiation

CALIBRATION, SELF-TEST, or SENSOR CHECK

functions

will temporarily suspend normal gas-monitoring.

3.2.2.6 Password

When the receiver initializes to the default parameters, password-protection is disabled
and the operator must automatically enter the

SETUP

menu by pressing the

SETUP

key.

Password-protection may be enabled, if desired, by entering the

SETUP

mode and

selecting the

CONFIGURE-INSTRUMENT-CHANGE PASSWORD

menu item (Refer to

section 4.4). The user may then enter a numerical or alphanumerical password.

If password-protection is enabled, the user will be required to enter his password whenever
attempting to enter the

SETUP

mode.

Figure 3-1 Chloralert™ Plus Keypad

DEF

ABC

MNO

JKL

GHI

WXY

TUV

PRS

SETUP

DATA

ALARM

ENTER

LETTER

ACK

Содержание Capital Controls CHLORALERT 17CA3000 Series

Страница 1: ... 1 325 6610 17 Instruction Manual Series 17CA3000 ChloralertTM Plus Multi Gas Detector CAPITAL CONTROLS ...

Страница 2: ...ped the recommended installation operating and maintenance procedures with careful attention to safety In addition to instruction operating manuals all instructions given on labels or attached tags should be followed Regardless of these efforts it is not possible to eliminate all hazards from the equipment or foresee every possible hazard that may occur It is the responsibility of the installer to...

Страница 3: ...3 2 2 3 1 Analog Outputs AO 21 3 2 2 3 2 Digital Outputs DO 21 3 2 2 4 Keypad Push button 21 3 2 2 5 Operating Modes 22 3 2 2 6 Password 22 3 2 2 7 Display Modes 23 3 2 2 8 Watchdog Timer Circuit 24 3 2 2 9 Self Test 24 3 2 2 9 1 Standard Tests 24 3 2 2 9 2 Extended Tests 24 3 2 2 9 3 Self test Failure Messages 25 3 2 2 10 Sensor Check 26 3 2 2 11 Calibration Mode 27 3 2 2 12 Security and Safety 2...

Страница 4: ... Set LCD Contrast 48 4 4 2 1 9 Sensor Check 49 4 4 2 1 10 Run Self Test 50 4 4 2 1 11 Enter Configuration Code 51 4 4 2 1 12 Custom Average Hours 51 4 4 2 1 13 Battery Status 51 4 4 2 1 14 Software Version 52 4 4 2 2 Channels 52 4 4 2 2 1 Tag Name 52 4 4 2 2 2 Sensor Type 53 4 4 2 2 3 Alarm 1 2 or 3 53 4 4 2 2 3 1 Level 53 4 4 2 2 3 2 Mode 53 4 4 2 2 3 3 Latch 54 4 4 2 2 3 4 Delay 54 4 4 2 2 4 Ana...

Страница 5: ...ument Memory Address Scheme 73 6 6 Executing Instrument Self Tests Using Datalink 74 6 7 Database Prompt to Datapoint Cross Reference 75 7 0 MAINTENANCE 81 7 1 General 81 7 2 Routine Maintenance 81 7 3 Sensor Transmitter Replacement 81 7 4 Troubleshooting82 7 4 1 General Troubleshooting 82 7 4 2 Sensor Troubleshooting 83 LIST OF FIGURES Figure 1 1 Basic System Configuration 9 Figure 1 2 Receiver D...

Страница 6: ...s Sensitivity Data 20 Table 4 1 Factory Default Database Parameters 40 Table 6 1 System Prompts Datalink 70 Table 6 2 Datalink Protocol 71 Table 6 3 Datapoint Types 73 Table 6 4 Database Starting Addresses 74 Table 6 5 Datapoint Addresses 72 Table 6 6 Prompt to Datapoint Cross Reference 75 80 ...

Страница 7: ...e SPECIFIC WARNINGS ELECTRICAL SHOCK HAZARD Equipment powered by AC line voltage presents a potential electric shock hazard Servicing of the Chloralert Plus should only be attempted by a qualified electronics technician WARNING ELECTRIC SHOCK HAZARD Equipment powered by AC line voltage presents a potential electric shock hazard to the user Make certain that the system power input and Digital Outpu...

Страница 8: ...e event is displayed and may also be retrieved from the data archive If the instrument is set up such that alarm level 3 is at the maximum range remote notification of this type of occurrence is possible pg 30 The value of the gas concentration entered must be within the range selected from the SENSOR TYPE menu refer to section 4 4 2 2 2 otherwise an erroneous operation will result pg 55 If cleani...

Страница 9: ...attery charging circuit for an optional external battery back up a malfunction relay and two alarm relays Support for three separate optional electronics packages is included on the main board Communications RS232 or RS485 4 channels of 4 20 mA analog outputs and six additional digital output relays SPST All relays are rated at 1 5 240VAC The receiver is supplied with three conduit connectors for ...

Страница 10: ...1 Digital Outputs 3 DO 0 9 DO 1 Design Level A Communications None 0 RS485 1 RS232 2 Sensor Channel Calibrated with Detector Not Required 0 0 0 0 Chlorine Sensor 0 5 PPM 1 1 1 1 Chlorine Sensor 0 10 PPM 2 2 2 2 Chlorine Sensor 0 50 PPM 3 3 3 3 Chlorine Sensor with Sensor Check 0 5 PPM 4 4 4 4 Chlorine Sensor with Sensor Check 0 10 PPM 5 5 5 5 Chlorine Sensor with Sensor Check 0 50 PPM 6 6 6 6 Sulf...

Страница 11: ...R Signal Digital Communication RS 232 485 optional 4 20 mA each channel optional Relays 3 SPDT Standard Additional 6 SPST optional Relay contacts rated at 3 15 Amps 240 Vac Optional relays are field replaceable Annunciators Flashing display indication for concentration alarms and other significant events Display backlight turned off during battery operation or if battery is faulty Alarm Levels Sel...

Страница 12: ...log current outputs proportional to gas concentration levels The analog outputs are not isolated since they all share the same circuit common return point Refer to Figure 2 4 6 DO Option Contains six additional SPST relay circuits thus allowing for two relays for each gas channel Communications Plug in models for RS232 or RS485 ACCESSORIES External Battery Includes battery w storage case allowing ...

Страница 13: ...ur additional knockouts for attachment of additional conduit fittings These provide a means of wiring optional features like digital communications analog outputs battery backup and alarms Select a location which gives limited access to unauthorized personnel and where ambient temperature remains within the temperature range specified in section 1 3 The installation area should be well ventilated ...

Страница 14: ...325 6610 17 14 Figure 2 1 Receiver Outline Dimensions ...

Страница 15: ... 15 325 6610 17 Figure 2 2 Sensor Transmitter Outline Dimensions ...

Страница 16: ...325 6610 17 16 Figure 2 3 Interconnection Diagram ...

Страница 17: ...rectly wired to the receiver The sensor transmitter assembly interfaces with the receiver circuitry via the sensor interface terminal block TB3 This terminal block consists of 12 positions organized into 3 terminals for each of the four possible sensors Each sensor is wired to a S S and SHD shield terminal Sensor wiring for the Chlorine Electrochemical Sensor is shown in Figure 2 4 The example sho...

Страница 18: ...325 6610 17 18 Figure 2 4 Sensor Wiring ...

Страница 19: ...eeded for a set up and calibration from an external computer via this datalink Refer to section 6 0 The receiver is also used to set up the database for the various alarm functions and the required calibration information Several alarm modes are available Instantaneous STEL TWA or Custom It also provides information during the calibration procedure about the status of the calibration as it proceed...

Страница 20: ...hlorine sensor is exposed to the indicated concentrations of interference gases Table 3 1 Gas Cross Sensitivity Data Sensor response to an instantaneous change of 50 relative humidity would be a chlorine equivalent of approximately 0 5 ppm lasting for 2 minutes with no permanent effect Longer term changes in relative humidity 5 minutes have no effect 3 2 2 Receiver 3 2 2 1 Input Voltage The receiv...

Страница 21: ...ditional alarm functionally if desired Contact outputs are available on TB1 The inputs that control the digital output DO relays are selected by the operator using the receiver s SETUP CONFIGURATION DIGITAL OUTPUTS mode Refer to section 4 4 2 3 The Chloralert Plus is able to be configured by the customer to allow control of all DO s by a single input or to allow each DO to be controlled by a diffe...

Страница 22: ...TUP key is pressed the operating mode returns to the RUN mode CAUTION In SETUP ALARMS and DATA modes gas monitoring continues to take place even though concentration values are not shown on the display However when in SETUP initiation of CALIBRATION SELF TEST or SENSOR CHECK functions will temporarily suspend normal gas monitoring 3 2 2 6 Password When the receiver initializes to the default param...

Страница 23: ...AUTO display mode has been selected Channel number gas identification and instantaneous gas concentration in ppm are displayed simultaneously as shown below 1 CL 1 23 2 O3 45 6 3 CL 738 4 NH 0 12 The single channel display mode shows the same data for the selected channel in addition to the channel s 10 character TAGNAME short term exposure limit and either time weighted average TWA or custom gas ...

Страница 24: ...st sequence verifies that the unit is operating properly and is divided into two sections Standard runs on all units Extended requires entry of the Configuration Code refer to section 3 2 2 9 2 CAUTION In SETUP ALARMS and DATA modes gas monitoring continues to take place even though concentration values are not shown on the display However when in SETUP initiation of CALIBRATION SELF TEST or SENSO...

Страница 25: ...ENSOR CHECK routine Entries in these positions are only required to run the sensor check refer to section 3 2 2 10 and are not required for the SELF TEST to function properly If the configuration code that has been entered indicates that the appropriate option is present the extended self test routine will be performed in the following sequence NOTE Rx and Tx need to be connected for communication...

Страница 26: ...med press ENTER to exit the SELF TEST REPEAT mode 3 2 2 10 Sensor Check The Chloralert Plus includes an optional SENSOR CHECK feature that may be used to verify the integrity of the sensor and its associated electronics This check may only be performed on channels that have been configured with the optional sensor check gas generator refer to Parts Lists 325 7603 The channels on which the check wi...

Страница 27: ...HECK Display of the SENSOR CHECK results lasts for five minutes after the SENSOR CHECK is complete 1 SENSCHK 2 SC PASS 3 SC FAIL 4 CL 3 45 Where SENSCHK Sensor Check in Progress SC PASS Sensor Passed Sensor Check SC FAIL Sensor Failed Sensor Check In the event that a channel indicates a problem as a result of performing this test refer to section 7 0 for troubleshooting or maintenance procedures A...

Страница 28: ... to section 3 2 2 8 Processor malfunction during calibration results in the calibration being aborted Should this occur the old calibration data is retained while the display indicates information regarding the nature of the problem 3 2 2 12 3 Power Failure A loss of power results in two modes of operation Units with battery backup normal operation continues uninterrupted Units without battery bac...

Страница 29: ...EST periods 3 2 2 14 1 Level The LEVEL entry allows entering the desired alarm activation threshold in ppm units This is shown graphically as Alarm Level in Figures 3 2 through 3 4 This numerical entry is made using the numerical keys on the receiver s keypad Three levels of alarms may be set corresponding to the ALARM1 ALARM2 AND ALARM3 modules Typically ALARM1 would have the least degree of urge...

Страница 30: ...average data after the over range event will be in error for the next averaging period The over range event is displayed and may also be retrieved from the data archive If the instrument is set up such that alarm level 3 is at the maximum range remote notification of this type of occurrence is possible Should a power failure occur during the concentration averaging in the above modes the averaging...

Страница 31: ...remain active When the ACK key is pressed the instrument polls all latched alarms Those whose levels have fallen below the alarm threshold are cleared while the other remains active The alarms are polled only once each time the ACK key is pressed Figure 3 4 Latching Alarm Operation 3 2 2 14 4 Delay If desired an alarm delay time may be entered The DELAY menu selection enables entering a value in s...

Страница 32: ... 2 ALM ALARM Indication Alarm Module 1 2 or 3 Alarm Mode INST STEL TWA or CUSTOM Alarm indication on the display would cause the alarm information to alternate with normal RUN data on the display Any of the following alarm indicators may appear in a quadrant of the display depending on how many sensor channels are active INS1ALM INS2ALM INS3ALM STL1ALM STL2ALM STL3ALM TWA1ALM TWA2ALM TWA3ALM CUS1A...

Страница 33: ...he occurrence of any of the above conditions is signaled by a flashing display 1 IN CAL 2 BAD SNS 3 BAD SNS 4 BAD GEN Where CH1 IN CAL calibration in progress CH2 PASS ZR zero calibration passed CH3 FAIL SP span calibration failed CH4 normal RUN mode display Refer to section 5 0 for information on the CALIBRATION procedure 1 SENSCHK 2 SC PASS 3 SC FAIL 4 CL 3 45 Where CH1 SENSCHK sensor check in p...

Страница 34: ... keys on the keypad will scroll backward or forward in the queue to enable the others to be seen EVENT BEGINS QUEUE ACTIVE EVENT HISTORICAL EVENT QUEUE EVENT ENDS SELF RESETTING ALARM BEGINS ALARM ENDS QUEUE ACTIVE EVENT HISTORICAL EVENT QUEUE BEGINS LATCHED ALARM ALARM CONDITION ENDS ACTIVE EVENT QUEUE HISTORICAL EVENT QUEUE KEY IS PRESSED ACK Some messages appear in both active and historical ev...

Страница 35: ...15 22 sec 221097 CH1 IN SPAN CAL 10 15 22 sec 221097 CH1 PASS ZERO CAL 10 15 22 sec 221097 CALIBRATION CH1 PASS SPAN CAL 10 15 22 sec 221097 CH1 FAIL ZERO CAL 10 15 22 sec 221097 CH1 FAIL SPAN CAL 10 15 22 sec 221097 CH1 CALIB STOPPED 10 15 22 sec 221097 CH1 IN SENSOR CHK 10 15 22 sec 221097 CH1 PASS SENS CHK 10 15 22 sec 221097 CH1 FAIL SENS CHK SENSOR CHECK 10 15 22 sec 221097 CH1 BAD GEN SCHK 1...

Страница 36: ...on the receiver housing and the calibration tag is located on the sensor transmitter assembly Figure 4 1 Receiver Data Tag The gas monitoring system is coarsely pre calibrated and is generally ready for on line service as received However a true calibration by the customer is required before placing the unit in actual gas monitoring service To place the Chloralert Plus system in operation proceed ...

Страница 37: ...isplay until the problem is remedied THE CHANNEL REMAINS INACTIVE until this problem is fixed When fixed the unit will require either that power be reapplied or that the SENSOR TYPE be re configured to OFF and then back to ON Refer to section 7 0 MAINTENANCE for troubleshooting information If the sensor type has been configured with an optional gas generator a BAD GEN message may be indicated on t...

Страница 38: ...the calibration procedure Programming information is entered using the receiver s alpha numerical keypad shown in Figure 4 4 Figure 4 4 Receiver Data Entry Keypad 4 3 2 Configuration The top menu consists of four main operating modes RUN Displays operational information such as gas concentration and alarm messages SETUP Used to enter configuration data ALARM Used to verify or poll status of any al...

Страница 39: ...000 menu structure refer to section 4 4 The main menu navigation buttons on the keypad are the right and left ARROW buttons and the ENTER button Their function is explained below LEFT ARROW BUTTON Returns display to the previous level in the menu sometimes provides a backspace function RIGHT ARROW BUTTON Scrolls through selections within a menu ENTER BUTTON Used to enter a sub menu or accept a men...

Страница 40: ...t parameters are shown in Table 4 1 If entries other than the default parameters are selected by the operator the operator may record these selections in the Customer Entry column for future reference if desired Table 4 1 Factory Default Database Parameters MENU SUB MENU PARAMETER DEFAULT ENTRY CUSTOMER ENTRY INSTRUMENT ENGINEERING UNITS DISPLAY MODE SENSOR CHECK MANUAL AUTO START TIME INTERVAL SE...

Страница 41: ...ensor Calibration Parameters The sensors presently supplied do not require that a distinct selection between HUMID or DRY be made in the SPAN or ZERO menu selections either selection will work Also data for the K values in the SENSOR DATA menu is not required However if no calibration is planned for the sensors the OMIT selection in SPAN and ZERO submenus must be selected Refer to section 5 0 for ...

Страница 42: ...alue of the entry in the LEVEL submenu The alarm modes are defined as follows INST Instantaneous generates alarm as soon as gas concentration exceeds concentration alarm level STEL Short term exposure limit 15 minute time weighted average of measured gas concentration TWA Time weighted average 8 hour average of measured gas concentration CUSTOM Allows customer to provide his own time base to perfo...

Страница 43: ... closed relay contact states on receiver digital output terminal block TB2 refer to Figure 2 3 to be interchanged STATE Provides selections of ON and OFF to enable and disable the alarm if desired 4 3 3 7 Return to RUN Mode Press the SETUP button to return the unit to the run mode and begin operation 4 4 Menu Sequence The data entered for setup is available on the display by going through the setu...

Страница 44: ...325 6610 17 44 ...

Страница 45: ...R PASSWORD The correct password must be entered in order to gain access to the three menus listed above There is no limit to the number of times an attempt may be made to enter the password Once a unit has been password protected it is the responsibility of the operator to remember the password If the password is forgotten the requirement for a password may be overridden by a specific keystroke se...

Страница 46: ...its determines only how the gas readings are shown on the display and does not affect any other parameter or output Only the gas concentration in the selected units is shown on the display the units themselves are not indicated If mg cu m is selected the concentration is calculated at 25 C The rest of the instrument continues to operate as a ppm device and no automatic conversions are performed Th...

Страница 47: ...crolls through the available channels advancing to the next channel every 3 seconds In this mode only the single channel displays are shown the 4 channel summary display is skipped Any selection will automatically revert to the 4 channel summary display mode during an alarm condition 4 4 2 1 4 Set Time INSTRUMENT SET TIME Requires numerical entry of the present time in 24 hour clock mode For examp...

Страница 48: ...ess is achieved NOTE Performing this password override procedure should only be used as a last resort While the need for a password will be eliminated allowing access to programming and calibration parameters the unit s database will be restored to the factory default values 4 4 2 1 7 Default Database This menu allows the factory default database parameters to be restored and if activate will eras...

Страница 49: ...ensing 3 Display of results pass fail bad sensor bad generator Duration of the test is about 10 minutes AUTO MODE Available selections are ENABLE START TIME INTERVAL AUTO ENABLE ENABLE configures the receiver to perform the sensor check procedure automatically at the specified time and at the specified intervals The START TIME format is similar to the set time format and appears as follows ENTER T...

Страница 50: ...LF TEST The receiver s self test routine performs a series of diagnostics to determine if the gas sensing system is operating properly The self test may be performed as an on demand single test or on a repeating basis Menu choices are SINGLE REPEAT RUN SELF TEST SINGLE The SINGLE mode performs the routine once and ends automatically Selecting repeat causes the test to repeat automatically at the e...

Страница 51: ...sed to calculate the custom time weighted average gas concentration value in the SETUP CONFIGURE CHANNELS ALARM MODE CUSTOM menu Values between 1 and 24 will enable CUSTOM averaging and an indication of CUS will be shown on the single channel display Entries up to 255 will be accepted by the firmware but will be treated as if 24 was entered Entering a 0 zero in this menu will be accepted by the in...

Страница 52: ...parameter if there is a need to contact Customer Service with a problem or question SOFTWARE VERSION 1 0 The information in this book is based on software version 1 0 Other versions may not be identical and may have features different from those discussed in this bulletin Changes to the software can only be made by replacing the EPROM 4 4 2 2 Channels Sensor channel configuration is done using the...

Страница 53: ...on on Alarm operation The configuration procedure for each Alarm is identical and selecting either Alarm1 Alarm2 or Alarm3 will give access to the following menu parameters 4 4 2 2 3 1 Level This menu is used to enter the desired sensed gas concentration level in ppm at which the alarm will be activated The value entered in this menu represents the gas concentration in ppm at which the unit will a...

Страница 54: ...f resetting The unit will hold the alarm state even if the average gas concentration goes back be low the alarm threshold until the ACK acknowledge key is pressed NO Alarm status self resets When the alarm condition clears normal operation will resume 4 4 2 2 3 4 Delay The DELAY menu selection enables entering a value in seconds up to a maximum of 255 seconds A delayed alarm will not be signaled u...

Страница 55: ...output parameter 4 4 2 2 4 2 Span Allows numerical entry of the desired gas concentration value that causes the analog output current to go to its maximum value 20 mA It is recommended that the span be set to the maximum sensor range selected in the sensor type menu section 4 4 2 2 2 CH1 ANAOUT SPAN SSS Where SSS is a gas concentration value entered in units of ppm CAUTION The value of the gas con...

Страница 56: ...t selection allows the low analog output current to be adjusted of for some reason the output current loses calibration The existing value is present and calibrated at the factory and should require no adjustment unless testing determines that an inaccuracy exists CH1 ANO CALIB OFFSET 128 The range of numerical entry for this parameter is 0 to 255 The default is 128 indicating the midrange of the ...

Страница 57: ... 2 5 1 Concentration The concentration of the gas being used for calibration must be entered in this menu CH1 CAL CONC 100 The entry is in numerical format and must be entered in units of ppm The value must conform to the following constraints 10 Range or Concentration or Range 4 4 2 2 5 2 Span Selects the nature of the calibration gas to perform a SPAN calibration CH 1 CAL SPAN HUMID Available se...

Страница 58: ...CONFIGURE DIGITAL OUTPUTS The digital outputs are relays located on the main PCB assembly and each relay may be assigned or configured to activate when a specific alarm condition occurs Configuration data entry for each digital output DO 1 through 9 is identical Possible selections are as follows 1 2 3 4 5 6 7 8 9 DIGITAL OUTPUTS 1 Digital outputs 1 2 and 3 are furnished as standard with the instr...

Страница 59: ...use the relay to be normally closed and to open its contacts in reaction to an alarm condition FAILSAFE MODE YES should also be selected if failsafe operation is desired meaning that in the event of a power failure the relays would fail to an alarm condition DIGOUT1 INVERT NO 4 4 2 3 3 State This selection enables the output state of a digital output relay to be changed Available selections are OF...

Страница 60: ...K 14 4K 28 8K 38 4K 4 4 2 4 2 Instrument Address Allows identification of the instrument by assigning a unique instrument communications port identification code This would be required in multiple instrument configurations where it would be necessary to differentiate between serial data from instruments COMM PORT INSTRUMENT ADDRESS Pressing the ENTER key will present the following display ENTER IN...

Страница 61: ... disables datalink byte stuffing DATALINK PROTOCOL STANDARD 4 4 3 Run Calibration Pressing ENTER at the SETUP RUN CALIBRATION menu parameter enables the operator to begin the CALIBRATION procedure described in section 5 0 Calibration RUN CALIBRATION Pressing ENTER returns the display to the run mode and causes the unit to begin testing each channel that is programmed to run the calibration test ba...

Страница 62: ...e time out after a calibration has been accepted or rejected STOP CALIBRATION Terminating a CALIBRATION before being completed causes the device to use the values of the most recent calibration that completed successfully Terminating a time out has no effect on the calibration just completed the completed CALIBRATION is perfectly valid ...

Страница 63: ...nto a inch hole in the calibration cup which attaches to the sensor transmitter assembly Gas delivery rate should be set in the range of 0 5 to 1 0 liters minute When calibration is done the calibration cup should be removed for normal gas sensing operation NOTE Chlorine sensors with the optional sensor check feature do not require the use of a calibration cap assembly Calibration gas should be de...

Страница 64: ...nels would now show IN CAL alternating with RUN data The display shown below indicates that CHANNELS 1 2 AND 4 have been programmed to run a calibration test 1 IN CAL 2 IN CAL 3 CL 0 27 4 IN CAL Where CH1 IN CAL alternates with RUN data CH2 IN CAL alternates with RUN data CH3 displays RUN data CH4 IN CAL alternates with RUN data Once the receiver has been placed in the CALIBRATION mode the operato...

Страница 65: ...ns continuously lit indicating that the calibration process has begun The receiver s LCD display reads IN ZERO during ZERO calibration Once the unit has completed the ZERO CALIBRATION cycle this may take as long as five minutes the LED will signal whether the sensor has passed or failed CALIBRATION PASSED LED indicates 2 quick flashes every 2 seconds and unit is ready to proceed to the SPAN CALIBR...

Страница 66: ...al whether the sensor has passed or failed CALI BRATION PASSED LED indicates 2 quick flashes every 2 seconds FAILED LED will flash once every 2 seconds The sensor did not meet the pass calibration criteria A second attempt at calibration can only be made by re entering the calibration mode from the RUN CALIBRATION menu If the calibration s performed has passed the unit will automatically terminate...

Страница 67: ...01 x 20 mA 0 mA 0 20 mA f Adjust the value of the entry in the ANALOG OUTPUT CALIBRATION OFFSET menu parameter until the current meter reads 0 20 mA 5 2 2 Maximum Output Current Calibration a If not already OFF turn the sensor channel off by selecting off from the SETUP CONFIGURE INSTRUMENT CHANNELS SENSOR TYPE menu parameter b Enter the CHANNELS ANALOG OUTPUT OUTPUT menu parameter c Enter a desir...

Страница 68: ...n and battery status All of the above information may also be shown on the display It is not possible to access the event queues using the databank 6 2 Interconnections Serial communication capability is optional and requires interconnecting wiring In addition to the diagrams below refer to Figures 2 3 and 2 4 of this instruction bulletin This information applies to only those instruments with the...

Страница 69: ...hat additional instruments may also be connected Two wires are therefore connected to each lug one set T T R R SC that comes from the previous node and another set that is con nected to the next datalink node NOTE Cable shield should be connected to ground at only one location Figure 6 2 RS 232 Plug Connections DATA GENERATED BY CONTROLLER RS 232 BA SIGNAL DATA RECEIVED BY CONTROLLER RS 232 BB SIG...

Страница 70: ...gned to this instrument on the datalink Valid addresses are from 0 31 No two instruments can have the same address on the datalink 0 bAUd Baud Rate This value is set to match the data transfer rate of the datalink Valid menu selections are 110 4800 300 9600 600 19 2K 1200 14 4K 2400 8 8K 9600 dLE Datalink Enable Selections are as follows enabled Allows instrument datalink communication disabled Th...

Страница 71: ...strument responding to the transaction It must be within a range of 00 1F 00 31 decimal CMD Command It is the operation to be performed or a description of the message that follows the Com mand I A byte the Command I A byte has two fields the Command field 3 bits and the I A field 5 bits There are five commands as follows Interrogate Change Change Bits Acknowledge and Response NUM Number The numbe...

Страница 72: ...0 XXXXX XXXXX XXXXX YYYYYYYY HI ADD Data 1 Data 9 LRC EXAMPLE B The host sends 2 bytes of new data to be loaded into the instrument at datalink address 03 beginning at hexadecimal memory address 1000H 1 Host sends change message 01111110 10100011 00000010 00000000 SOH Cmd I A NUM LO ADD 00010000 00001000 00001100 11001001 HI ADD Data 1 Data 2 LRC 2 Instrument sends Response message 01111110 001000...

Страница 73: ...X H Number Address example H001 location 9CFH 5 X 1 9CFH 5D 9CFH 5H 9D4H A 2348H Address A Base 10 X Number 9EBH 10 X Number Address example A015 location 9E8H 10 x 15 9E8H 150D 9E8H 96H A7EH Table 6 4 Database Starting Addresses Type Start Address Number of Elements Size of Element B 2000H 200 1 L 20C8H 160 1 8 C 20DCH 100 3 H 2208H 20 5 A 2348H 32 10 Table 6 3 Datapoint Types Data Point Size Dat...

Страница 74: ... 13 14 x 2 3 5 25 03125 015625 001953125 0009765625 0001220703125 00006103515625 x 0 125 0 799987792 x 0 125 0 099998474 0 1 Value as nearest H 0 09999999997671694 66 66 66 66 FD Calculator check calculator numbers are rounded 0110 0110 0110 0110 0110 0110 0110 0110 x 2FD or 0110 0110 0110 0110 0110 0110 0110 0110 x 2 3 Sum of exponents 1 2 5 6 9 10 13 14 17 18 21 22 25 26 29 30 x 2 3 Figure 6 4 F...

Страница 75: ...A1 B11 B10 B4 B5 B6 B7 B8 B9 B100 B101 B102 B103 B104 B105 A29 L62 L63 B73 B74 B75 B107 B76 B77 A30 B44 B2 B1 L80 L81 L82 The items below are not menu accessible SYS RANG SYS RANG SYS RANG SYS RANG SYS TAG SYS TAG SYS TAG SYS TAG SYS TAG SYS TEMP SYS TEMP SYS TEMP SYS TEMP SYS TYPE SYS TYPE SYS TYPE SYS TYPE SYS FREQ SYS FREQ SYS FREQ SYS FREQ RANG1 RANG2 RANG3 RANG4 TAG TAG1 TAG2 TAG3 TAG4 TEMP1 ...

Страница 76: ... CAL SPAN CH1 CAL ZERO CH1 CAL SNSDAT K1 CH1 CAL SNSDAT K2 CH1 CAL SNSDAT K3 CH1 CAL SNSDAT K4 CH1 CAL SNSDAT K5 PL1 PL2 PL3 SPAN ZERO BASE A2 B12 C40 B32 L72 B48 C41 B33 L73 B49 C42 B34 L74 B50 B0 B4 B8 L56 C12 B60 C16 B16 B20 C20 C24 C28 C32 C36 The items below are not menu accessible CH1 CONC CH1 CONC CH1 CAL_M CH1 IR CH1 STEL CH1 TWA CH1 SYSFREQ CH1 SYSTEMP CH1 AL1 TRIP CH1 AL2 TRIP CH1 AL3 TR...

Страница 77: ...CAL SPAN CH2 CAL ZERO CH2 CAL SNSDAT K1 CH2 CAL SNSDAT K2 CH2 CAL SNSDAT K3 CH2 CAL SNSDAT K4 CH2 CAL SNSDAT K5 PL1 PL2 PL3 SPAN ZERO BASE A3 B13 C43 B35 L75 B51 C44 B36 L76 B51 C45 B37 L77 B53 C1 C5 C9 L57 C13 B61 C17 B17 B21 C21 C25 C29 C33 C37 The items below are not menu accessible CH2 CONC CH2 CAL_B CH2 CAL_M CH2 IR CH2 STEL CH2 TWA CH2 SYSFREQ CH2 SYSTEMP CH2 AL1 TRIP CH2 AL2 TRIP CH2 AL3 TR...

Страница 78: ...AL SPAN CH3 CAL ZERO CH3 CAL SNSDAT K1 CH3 CAL SNSDAT K2 CH3 CAL SNSDAT K3 CH3 CAL SNSDAT K4 CH3 CAL SNSDAT K5 PL1 PL2 PL3 SPAN ZERO BASE A4 B14 C46 B38 L78 B54 C47 B39 L79 B55 C48 B40 L64 B56 C2 C6 C10 L58 C14 B62 C18 B18 B21 C22 C26 C30 C34 C38 The items below are not menu accessible CH3 CONC CH3 CAL_B CH3 CAL_M CH3 IR CH3 STEL CH3 TWA CH3 SYSFREQ CH3 SYSTEMP CH3 AL1 TRIP CH3 AL2 TRIP CH3 AL3 TR...

Страница 79: ...B GAIN CH4 ANO CALIB OFFSET CH4 CAL CONC CH4 CAL SPAN CH4 CAL ZERO CH4 CAL SNSDAT K1 CH4 CAL SNSDAT K2 CH4 CAL SNSDAT K3 CH4 CAL SNSDAT K4 CH4 CAL SNSDAT K5 PL1 PL2 PL3 SPAN ZERO BASE A5 B15 C49 B41 L65 B57 C50 B42 L66 B58 C51 B43 L67 B59 C3 C7 C11 L59 C15 B63 C19 B19 B22 C23 C27 C31 C35 C39 The items below are not menu accessible CH4 CONC CH4 CAL_B CH4 CAL_M CH4 IR CH4 STEL CH4 TWA CH4 SYSFREQ CH...

Страница 80: ...UT1 STATE OINV CCO B67 L43 L27 D05 DIGOUT1 SOURCE DIGOUT1 INVERT DIGOUT1 STATE OINV CCO B68 L44 L28 D06 DIGOUT1 SOURCE DIGOUT1 INVERT DIGOUT1 STATE OINV CCO B69 L45 L29 D07 DIGOUT1 SOURCE DIGOUT1 INVERT DIGOUT1 STATE OINV CCO B70 L46 L30 D08 DIGOUT1 SOURCE DIGOUT1 INVERT DIGOUT1 STATE OINV CCO B71 L47 L31 D09 DIGOUT1 SOURCE DIGOUT1 INVERT DIGOUT1 STATE OINV CCO B72 L48 L32 The items below are not ...

Страница 81: ...2 2 9 2 If failure is encountered during this test the test will be terminated and a status code will be written onto location B78 where it may be examined System component failures will be indicated by the following codes 1 NVRAM failure 2 RAM failure 3 COMM PORT failure 4 BATTERY failure For additional information refer to section 6 0 Communications 7 3 Sensor Transmitter Replacement Up to four ...

Страница 82: ...oubleshooting The 17CA3000 Chloralert Plus gas detection system is a complex instrument and there are few customer serviceable components inside A serious malfunction will not be repairable by the customer Investigating problems with the device requires making the necessary repairs or modifications that will restore the unit s normal operation Some basic checks and measurements may be made to poss...

Страница 83: ... 4 7 4 2 Sensor Troubleshooting If a BAD SNS bad sensor error message is generated it may be due to be measured frequencies that are outside of acceptable limits The sensor s output consists of two frequencies representing sensed gas concentration and ambient temperature values refer to section 3 2 1 3 A BAD SNS message will occur when The frequency representing gas concentration falls below 4500 ...

Страница 84: ...e test with the known gas concentration If the problem has not been corrected replace the sensor Determination of a faulty gas generator can only be made if the sensor passes its CALIBRATION procedure above If the sensor passes calibration check the gas generator wiring for continuity Perform a SENSOR CHECK Within 40 seconds after pressing ENTER To start the test measure the voltage across the gas...

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