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AMC AMC-SM-91A01, User Manual

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AMC AMC-SM-91A01 User Manual Download Page 9

AMC-UTx-M-xx-400 Series Digital Transmitter 

 

9  

 

2.1.1  AMC-UTx-M-xx-0400 TRANSMITTER SPECIFICATIONS 

AMC-UTx-M-xx-0400   
Transmitter Order Number... 

AMC-UTx-M-91A01-98A01-R-0400  

(UTx Modbus 400, 2 Sensor Modules, CO 0-100ppm, NO2 0-10ppm, Relay) 

AMC-UTx-M-91B01-98A01-R-0400  

(UTx Modbus 400, 2 Sensor Modules, CO 0-300ppm, NO2 0-10ppm, Relay) 

AMC-UTx-M-VCA01-N-R-0400  

(UTx Modbus 400, 1 Dual Sensor Module, CO 0-100ppm, NO2 0-10ppm, Relay) 

AMC-UTx-M-91A01-N-R-0400  

(UTx Modbus 400, 1 Sensor Module, CO 0-100ppm, Relay) 

AMC-UTx-M-91B01-N-R-0400  

(UTx Modbus 400, 1 Sensor Module, CO 0-300ppm, Relay) 

AMC-UTx-M-98A01-N-R-0400  

(UTx Modbus 400, 1 Sensor Module, NO2 0-10ppm, Relay) 

Power Supply Requirement 

24 VDC, 40mA 

Relay  

SPDT, 30 VDC, 2 A (resistive) 

Warranty 

2 Years 

Operating Temperature  

-20° to 40° C 

Operating Pressure  

0.9 to 1.1 atm 

Relative Humidity  

15 to 90% RH, non-condensing 

Signaling 

Modbus RTU 

9600 Baud, 8bit, Even Parity.  

  

 

 

Summary of Contents for AMC-SM-91A01

Page 1: ...nd operating instructions completely and carefully before starting Filename 3550409A docx Copyright 2022 AMC The Armstrong Monitoring Corporation 215 Colonnade Road South Ottawa Ontario Canada K2E 7K3 Tel 613 225 9531 Fax 613 225 6965 Canada U S Toll Free 1 800 465 5777 E mail gas armstrongmonitoring com Internet www armstrongmonitoring com ...

Page 2: ...4 INSTALLATION 18 4 1 TRANSMITTER MOUNTING 18 4 2 ACCESSORY MOUNTING 20 4 2 1 Weathershield 20 4 2 2 Vandal Guard 22 4 2 3 Pole Mounting Brackets 23 4 3 WIRING 24 4 3 1 POWER 26 4 3 2 COMMUNICATION 26 4 3 2 1 End of Line EOL Setting 27 4 3 2 2 Modbus Settings 29 5 OPERATION AND CALIBRATION 30 5 1 STATUS LEDS 30 5 2 MENU OVERVIEW 32 5 2 1 UTx M Menu System Introduction 32 5 2 2 UTx M Menu System De...

Page 3: ...TE CALIBRATION 50 5 4 3 CALIBRATION PROCEDURE 51 6 MAINTENANCE 56 6 1 GENERAL 56 6 2 SCHEDULED CALIBRATION 56 6 3 SENSOR MODULE 56 6 3 1 SENSOR MODULE REPLACEMENT 56 6 3 1 1 REMOVE SENSOR MODULE 56 6 3 1 2 INSTALL SENSOR MODULE 58 6 4 VERIFICATION OF OPERATION 59 6 4 1 SIMULATION OF GAS LEVELS 59 7 MODBUS REGISTERS 61 8 TROUBLESHOOTING 64 9 SENSOR MODULE DEFAULT SETTINGS 67 10 MENU FLOW DIAGRAMS 6...

Page 4: ...0VAC AMC 1DB1 3XXXX Digital Monitor 25 Figure 4 8 Disconnecting BusPower Module 27 Figure 4 9 Removing BusPower Module 28 Figure 4 10 EOL Switch 28 Figure 4 11 Replacing BusPower Module 29 Figure 6 1 Disconnect Sensor Module 57 Figure 6 2 Removing Sensor Module from Lid 57 Figure 6 3 Installing Sensor Module 58 Figure 6 4 Attaching Cable to Sensor Module 58 Figure 10 1 Main Screen Password Flow 68...

Page 5: ...n Frequency Configuration 42 Table 5 8 Transmitter Alarm Settings 43 Table 5 9 Transmitter Alarm Sub Menu Settings 44 Table 5 10 Alarm Input Options 45 Table 5 11 Alarm Setpoint Options 45 Table 5 12 Alarm Type Options 46 Table 5 13 Relay Menu 48 Table 5 14 Relay Sub Menu 48 Table 5 15 Relay Polarity Menu 49 Table 5 16 Calibraiton Menu 51 Table 5 17 Calibration States 53 Table 7 1 Modbus Registers...

Page 6: ...r through contacts at www armstrongmonitoring com 1 2 LIABILITY All AMC products must be installed and maintained according to instructions Only qualified personnel should install and maintain the equipment The AMC UTx M xx 0400 Digital Transmitter must not be located in hazardous locations where combustible gases could be 100 LEL potentially explosive environments AMC shall have no liability aris...

Page 7: ...a vapor in air capable of combusting in the presence of an ignition source arc flame heat PPM Parts Per Million 1 volume 10 000PPM Percent by volume Concentration of gas in a mixture expressed as a percentage of total volume Span Full range of a sensor i e a CO sensor with a full range of 0 100 PPM has a 100 PPM span T90 Response Time in seconds to achieve 90 gas concentration reading This a typic...

Page 8: ...res data from an electrochemical gas sensor and communicates its gas concentration to the transmitter The UTx SM Sensor Module can be replaced in the field and is eligible for the EZ CAL calibration exchange program Note All Armstrong Monitoring systems must be installed and maintained according to instructions to assure proper operation Only qualified personnel should install and maintain the equ...

Page 9: ... R 0400 UTx Modbus 400 1 Dual Sensor Module CO 0 100ppm NO2 0 10ppm Relay AMC UTx M 91A01 N R 0400 UTx Modbus 400 1 Sensor Module CO 0 100ppm Relay AMC UTx M 91B01 N R 0400 UTx Modbus 400 1 Sensor Module CO 0 300ppm Relay AMC UTx M 98A01 N R 0400 UTx Modbus 400 1 Sensor Module NO2 0 10ppm Relay Power Supply Requirement 24 VDC 40mA Relay SPDT 30 VDC 2 A resistive Warranty 2 Years Operating Temperat...

Page 10: ...mber AMC SM 91A01 0 100ppm AMC SM 91B01 0 300ppm Operating Temperature 20 to 40 C Sensor Height Above Finished Floor as part of Digital Transmitter 4 6 Feet 1 22 1 52m Sensor Life Up to 6 Years Sensor Warranty 2 Years Range See Above Zero Buffering of Display 5ppm Calibration Kit Part Number AMC C1 FM1 Default Calibration Gas 100ppm CO Gas Flow Rate 0 5L min ...

Page 11: ...VCA01 Operating Temperature 20 to 40 C Sensor Height Above Finished Floor as part of Digital Transmitter 4 6 Feet 1 22 1 52m Sensor Life Up to 2 Years CO element up to 6 years Sensor Warranty 2 Years Range 0 100ppm CO 0 10ppm NO2 Zero Buffering of Display 5ppm C2 0 5ppm NO2 Calibration Kit Part Number AMC C1 FM1 Default Calibration Gas 100ppm CO 10ppm NO2 Gas Flow Rate 0 5L min ...

Page 12: ...Number AMC SM 98A01 Operating Temperature 20 to 40 C Sensor Height Above Finished Floor as part of Digital Transmitter 4 6 Feet 1 22 1 52m Sensor Life Up to 2 Years Sensor Warranty 2 Years Range 0 10ppm Zero Buffering of Display 0 5ppm Calibration Kit Part Number AMC C1 FM1 Default Calibration Gas 10 ppm NO2 Gas Flow Rate 0 5L min ...

Page 13: ...4 2 2 for mounting instructions Pole Mounting Brackets included with each transmitter Refer to 4 2 3 for mounting instructions Calibration Kit AMC C1 FM1 Refer to 2 1 3 1 for details Calibration Adaptor AMC FM1 Refer to 2 1 3 1 for details 2 1 3 1 UTx Calibration Kit The UTx Calibration Kit as shown below consists of the AMC FM1 Calibration Adaptor that secures the calibration gas hose to the fron...

Page 14: ...d locally via OLED and sent to the respective Monitor upstream Plug and play modular architecture accommodates hot pluggable Power Comms via the BusPower Module see Figure 4 11 detachable lid assembly when commissioning and field replaceable Sensor Modules for the EZ CAL exchange program Each Transmitter features alarm indicators an on board relay and connection terminal blocks as listed and descr...

Page 15: ... UTx M xx 400 Series Digital Transmitter 15 3 2 FRONT LID OVERVIEW 2 Display 1 Enclosure Lid 3 Network Status LED 5 Sensor Module 7 Menu Buttons 6 Sensor Module LED 4 Sensor Status LED Figure 3 1 Front Lid ...

Page 16: ... Communication 4 Sensor Status LED The Sensor Status LED will show the same error code that is being communicated by the Sensor Module s or display the highest priority error if multiple errors codes are being communicated to it by the Sensor Module s 5 Sensor Module Opening This inlet allows target gas to flow into the sensor The inlet is also used for gas calibration 6 Sensor Module LED Sensor M...

Page 17: ...he BusPower Module provide all interfaces to the UTx M xx 400 9 Sensor Module Connections Connectors on the Sensor Module s are used to connect between Sensor Modules and between Sensor Module 1 and the Transmitter 10 EOL LED This LED will be illuminated Green if the UTx is configured as EOL 10 EOL LED 8 BusPower Connectors 9 Sensor Module Connections ...

Page 18: ... 1 Enclosure Mounting and Figure 4 6 Enclosure Pole Mounting 3 Drill holes for conduit and then install conduit See Warning below 4 Reattach cover and bracket Warning The transmitter should not be placed near cleaning products solvents particularly ones that contain alcohol This can permanently damage sensor elements or cause negative output values Conduit should enter the housing from the bottom ...

Page 19: ...f the transmitter is to be mounted on a pole in a location where water spraying or splashing could be an issue on in locations where a vandal guard is required Notes Mount enclosure as shown in Figure 4 1 This will ensure correct orientation Figure 4 1 Enclosure Mounting ...

Page 20: ... compatible with both wall and pole mounting configurations To install the Weathershield follow these steps Place the bracket assembly behind the Transmitter Mount the Bracket Assembly and Transmitter to the wall or pole Mounting Screws not included Figure 4 2 Weathershield Mounting Step 1 Figure 4 3 Weathershield Mounting Step 2 ...

Page 21: ...M xx 400 Series Digital Transmitter 21 Place the Weathershield over the bracket The side screws fit into the slots Tighten the screws to hold the Weathershield in place Figure 4 4 Weathershield Mounting Step 3 ...

Page 22: ...urations To install the Vandal Guard follow these steps Mount the Transmitter to the wall Mounting Screws not included Connect all wiring to the Transmitter Mount the Vandal Guard to the wall Mounting Screws not included Note mounting hole are 0 25 inch 6 3 mm diameter and are on an 8 0 inch wide by 4 38 inch tall pattern Figure 4 5 Vandal Guard ...

Page 23: ...AMC UTx M xx 400 Series Digital Transmitter 23 4 2 3 Pole Mounting Brackets Figure 4 6 Enclosure Pole Mounting ...

Page 24: ...20m If multiple taps are used with n derivations the sum of all taps must not exceed a maximum of 40m See Figure 4 7 Example of connections to a 120VAC AMC 1DB1 3XXXX Digital Monitor Route cabling away from AC power cabling and any source of electro magnetic interference EMI or radio frequency interference RFI such as power transformers electric motors etc EMT Electrical Metal Tube conduit also ad...

Page 25: ...20VAC AMC 1DB1 3XXXX Digital Monitor Warning Care must be taken when connecting services to Power and Communication Connector Mixing power and communication connections can cause permanent damage Consistent polarity of RS 485 wire is required throughout network for proper system operation ...

Page 26: ...inal at monitor and Digital Transmitter should be connected to SGND power terminal at monitor 4 3 2 COMMUNICATION The total communication cable length for a network segment should not exceed 1000 M 3280 ft without the use of repeaters There is a 32 unit load UL transmitter limit per RS 485 bus segment determined by ANSI TIA EIA 485 A 1998 standard The AMC 1DBx Digital Monitor uses one RS 485 unit ...

Page 27: ...nd of Line EOL Setting EOL termination is required for the last unit of the bus Without this termination reflections of far end signal can add or subtract to the resulting signal waveform and can cause data corruption Note if EOL is set to ON the EOL LED will be lit green when the UTx is powered up The EOL LED is located on the rear of the UTx Lid per Section 3 3 To change EOL settings on the UTx ...

Page 28: ...AMC UTx M xx 400 Series Digital Transmitter 28 Disconnect BusPower Module from the Lid Assembly as shown below Figure 4 9 Removing BusPower Module Change EOL setting switch Figure 4 10 EOL Switch ...

Page 29: ...op forks in first then clip the module in place This can be performed with power on 4 3 2 2 Modbus Settings The AMC UTx M xx 400 menu system allows modification of the Modbus Address or to invert the RS485 A B Settings for the transmitter Refer to Section 5 3 1 for details Figure 4 11 Replacing BusPower Module ...

Page 30: ...f Sensor Modules after UTx is powered up or after Sensor Module Hot Swap Off Solid White Solid White AMC Splash Screen Sensor Warm up Flashing Green 1 sec cycle Solid White Solid White Main Info Screen or blank No sensor gas readings shown Network Status Network connection established assume all sensors operational Flashing Green 1 sec cycle Solid Green Solid Green Main Info Screen or blank No net...

Page 31: ...olid Yellow Solid Yellow Not indicated on Display Screen Alarm 2 threshold reached Solid Red Solid Red Not indicated on Display Screen Alarm 3 threshold reached Solid Red Solid Red Not indicated on Display Screen Calibration Cal Needed Solid Green Flashing Cyan and Yellow 0 5 sec cycle Not indicated on Display Screen In Calibration Mode Calibration activity waiting to start Solid Green Solid Cyan ...

Page 32: ...nsor modules are warming up The warm up period will be shown in the details section for the selected sensor until the warm up period expires As shown above two sensors are currently attached to the transmitter Only one sensor can be selected at a time for the purpose of inspecting its details Use the UP and DOWN buttons to navigate between each sensor The following diagram illustrates the main inf...

Page 33: ... the main info screen 5 2 3 UTx M Menu System Detailed Status Screen To access the detailed status for each sensor press and hold the DOWN button until the following screen appears The detailed status screen provides the complete status for each sensor Use the UP and DOWN buttons to page through all the attached sensors This detailed screen will timeout after 30 seconds if no button is pressed the...

Page 34: ...d is being entered the display updates with each button press The diagram below illustrates the state of the password entry after 3 button presses The password entry screen will timeout after 10 seconds if no button is pressed thereby returning the user back to the main info screen 5 2 5 UTx M Menu System Main Service Menu Once the correct password is entered the main service menu is displayed as ...

Page 35: ...With Exit highlighted as above press ENTER to exit the service mode and return back to the main info screen as shown below The service menus remains unlocked for a programmed timeout period currently set to 5 minutes Within that period the service menus can be re enabled by long pressing the ENTER button If the timeout period is allowed to expired the password entry screen will appear prior to acc...

Page 36: ...used to navigate the list of menus for the MODBUS sub menu The following table outlines all the menu items from the MODBUS sub menu Table 5 3 Modbus Menu Options Menu Item Description S1 Gas Label Select this menu item to edit the MODBUS address assigned to the Sensor S1 S2 Gas Label Select this menu item to edit the MODBUS address assigned to the Sensor S2 AB Invert Select this menu item to toggl...

Page 37: ...e desired response is shown to confirm the edit value Yes or the reject it No In either case the menu returns to the MODBUS sub menu with the Address B menu item selected If Address B is activated from the MODBUS sub menu then the display will be updated to show the following editing screen When the ENTER button is pressed while the last digit is highlighted the screen will update to display the f...

Page 38: ...ity is activated from the MODBUS sub menu then the display will be updated to show the following editing screen The available options for Parity are listed in the following table Table 5 4 Parity Menu Options Menu Item Description None No parity is used Transmitted byte START DATA STOP 10 bits Even Even parity is used Transmitted byte START DATA EVEN_PARITY STOP 11 bits Odd Odd parity is used Tran...

Page 39: ...splay will be updated to show the following editing screen Window is a custom average filter where the averaging window can be selected from 0 off 1 pass through no filtering and 2 600 seconds When the ENTER button is pressed while the last digit is highlighted the screen will update to the following thereby requesting confirmation from the user The response Yes No can be toggled using either UP o...

Page 40: ...item to activate the configuration sub menu for sensor 2 S3 Sensor Select this menu item to activate the configuration sub menu for sensor 3 S4 Sensor Select this menu item to activate the configuration sub menu for sensor 4 Exit Select this menu item to return to the UTx service menu NOTE Sensor represents a placeholder for the sensor s part number which is dynamically applied to each menu item t...

Page 41: ...button is pressed the screen will update to display the confirmation dialog described previously The same process is repeated for Alarm SP 2 and Alarm SP 3 In all cases once the confirmation dialog is reached regardless of which option it selected the user is returned back to the Sensors sub menu If Alarm Hyst is activated from the sensor sub menu then the display will be updated to show the follo...

Page 42: ...e display will be updated to show the following editing screen The available options for Cal Freq are listed in the following table Table 5 7 Calibration Frequency Configuration Menu Item Description Off Next cal due date is not calculated 3 Months Next cal due date is calculated as 3 months from last cal timestamp 4 Months Next cal due date is calculated as 4 months from last cal timestamp 6 Mont...

Page 43: ...e menu items from the Alarms sub menu Table 5 8 Transmitter Alarm Settings Menu Item Description Alarm 0 9 Select this menu item to activate the configuration sub menu for the selected alarm ranging from 0 to 9 Exit Select this menu item to return to the UTx service menu The Alarms menu item will be selected when the UTx service menu appears Selecting an alarm from the alarms sub menu will update ...

Page 44: ... Delay Select this menu item to edit the alarm s off delay in terms of seconds Exit Select this menu item to return to the Alarms sub menu If Enable is activated from the alarm sub menu then the display will be updated to show the following editing screen When the ENTER button is pressed the confirmation screen described previously is displayed If Source is activated from the alarm sub menu then t...

Page 45: ... over the past 8 hours Custom Gas concentration averaged over a custom filter window 0 600 seconds Daily Peak Daily peak value When the ENTER button is pressed the screen will update to display the confirmation dialog described previously If Level is activated from the alarm sub menu then the display will be updated to show the following editing screen The available options for Level are listed in...

Page 46: ...eshold in a decreasing direction When the ENTER button is pressed the screen will update to display the confirmation dialog described previously If Trigger is activated from the alarm sub menu then the display will be updated to show the following editing screen The available options for Trigger are Local and Relay 1 through Relay 5 If the checkbox next to the relay is checked then that relay will...

Page 47: ... pressed while the last digit is highlighted the screen will update to display the confirmation dialog described previously If Off Delay is activated from the Alarm sub menu then the display will be updated to show the following editing screen When the ENTER button is pressed while the last digit is highlighted the screen will update to display the confirmation dialog described previously ...

Page 48: ...the configuration sub menu for the local relay Relay 1 5 These relays are currently unavailable Any attempt to activate this menu will be ignored Exit Select this menu item to return to the UTx service menu The Relays menu item will be selected when the UTx service menu appears Selecting a relay from the alarms sub menu will update the display to show the following The following table outlines all...

Page 49: ...olarity are listed in the following table Table 5 15 Relay Polarity Menu Menu Item Description Normal Relay output is high when associated alarm is active Otherwise the relay output is low Reverse Relay output is low when associated alarm is active Otherwise the relay output is high When the ENTER button is pressed the screen will update to display the confirmation dialog described previously ...

Page 50: ...d to consult with Armstrong Monitoring The Armstrong Monitoring Corporation offers the following calibration plans 1 Factory pre calibrated exchange replacement smart sensor 2 modules 2 On site installation by Armstrong Monitoring 3 On site calibration by Armstrong Monitoring 4 Training by Armstrong Monitoring for end users For additional details please refer to Section 1 4 Contact Information 5 4...

Page 51: ...essed then the following menu is shown This menu is common to all sensors therefore selecting any sensor will produce the same menu Please refer to section 5 4 3 for specific calibration details The UP and DOWN buttons can be used to navigate the list of service menus for the selected sensor The sensor s service menu provides the following menu items Table 5 16 Calibraiton Menu Menu Item Descripti...

Page 52: ...evel gas concentrations are entered the calibration procedure will start automatically and the state of the calibration will be displayed on the display as shown below Throughout the entire calibration procedure the Abort command remains highlighted therefore the procedure can be aborted at any time by pressing the ENTER button During calibration the procedure will transition through the following...

Page 53: ...ication of gas Find Span Calibration is underway with the specified gas applied This state will remain active until it either passes or fails When the calibration procedure complete its cycle the result will either be a PASS or FAIL as shown by the following two images In either case the OK command is highlighted therefore press the ENTER button to return back to the sensor s service menu ADAPTiCa...

Page 54: ... In the case of repeated CO Gas Calibrations performed in quick succession i e less than 30minutes apart purge unit with pure nitrogen but use the Background value provided by the unit during ADAPTiCAL startup A CO sensor element has a tendency to increase its background zero offset after each span gassing Entering a Background of 0 0 in the second or third attempt can lead to failed calibration 3...

Page 55: ...l check that the result is within limit and notify the operator whether the calibration routine has failed or succeeded The operator maybe be notified if sensor is nearing end of life 7 If the calibration failed the calibration can be attempted again right away but it is recommended that the operator accepts the background gas concentration provided by the unit since the unit will retain the origi...

Page 56: ...ule s be calibrated a minimum of twice a year or more often for demanding work place applications As mentioned Armstrong Monitoring Corporation offers a number of different maintenance plans to suit your requirements Please see CONTACT INFORMATION section 6 3 SENSOR MODULE The Sensor Module tracks time since last calibration and will indicate via LED status when service is required When the Sensor...

Page 57: ...57 Figure 6 1 Disconnect Sensor Module Rotate the Sensor Module so the tab aligns as shown and remove from the UTx Lid Assembly Figure 6 2 Removing Sensor Module from Lid ...

Page 58: ...ab aligns as shown ush and turn clockwise until the Sensor module is secured Attach the Cable to the top connector on the Sensor Module Note depending upon Sensor Module position the cable will either connect the Sensor Module to the UTx Main CCA or to the adjacent Sensor Module Figure 6 4 Attaching Cable to Sensor Module Figure 6 3 Installing Sensor Module ...

Page 59: ...m the sensor s service menu then the display will be updated to show the following sub menu If Sim Enable is activated from the Override sub menu then the display will be updated to show the following editing screen When the ENTER button is pressed the confirmation screen described previously is displayed If Yes is selected the edit value is persisted as the new value for the Sim Enable Flag Other...

Page 60: ...ted the edit value is persisted as the new value for the Sim Gas concentration value Otherwise the edit value is rejected In either case the menu returns to the Override sub menu menu with the Sim Gas menu item selected Selected Exit from the Override sub menu returns the user to the sensor s service menu with the Override menu item selected ...

Page 61: ...is okay at 9600baud with no analog output available Read Gas Number Device Address Register 3 o A hex Gas Number of 00xx or 01xx or 02xx or 03xx or 09xx represents CO NO2 CH4 Pro C3H8 or H2 respectively Read Sensor Unit 32 bit Registers r28 r29 currently in PPM or LEL o Swap 16bit values to create 32bit IEEE754 float value in PPM or LEL Notes 1 Read These registers can be read or written write ope...

Page 62: ...ds representing transmitter status and modes Instrument Status Bits 15 8 Transmitter Okay 0x00 Transmtter Error 0xFF Instrument Mode Bits 7 0 Default 0x8F Bit 7 Reserved for Self Test 1 always being self tested Bit 6 Reserved for Remote Calibration Type 0 Remote Calibration not supported Bit 5 Reserved for Output Enable 0 Output not available Bit 4 Reserved for Output Type 0 Output not applicable ...

Page 63: ...pported 12 13 1 Read 3 Float Calibration Data4 a reserved 32bit float number for a monitor based procedure 2 Not Supported 14 15 1 Read 3 Float Output Trim Slope a reserved 32bit float number for calibrating output slope 2 Not Supported 16 17 1 Read 3 Float Output Trim Offset a reserved 32bit float number for calibrating output offset 2 Not Supported 18 19 1 Read 3 Float High Alarm a reserved 32bi...

Page 64: ...rd enter TX menu and correct MODBUS address for sensor Incorrect Device or gas type specified in the Digital Monitor Monitor shows gas mis match by turning off its Green System LED Check monitor s system status in Get System Info dialog Change monitor s configuration to match Sensor Module gas and MODBUS address settings UTx M S1 is CO and S2 is NO2 Ensure MODBUS addresses are matching for assignm...

Page 65: ...o time Ensure only end UTx M unit on MODBUS segment has EOL switched in the on position and only one EOL LED is lit on Network segment Ensure Monitor s EOL termination is installed if monitor is at end of network segment Refer to Section 4 3 2 1 on setting EOL Switch Network LED is not flashing slow pace green Refer to Section 5 1 Refer to Section 5 1 Refer to Section 5 1 No Gas Concentration on U...

Page 66: ...ual sensors or correct type Calibrate Sensor Module if needed Replace Sensor Module with correct type Refer to 5 1 Local Relay not activating Configuration incorrect No continuity between COM and NO Bus Module terminals Check TX Alarms menu parameters Check Local Relay is selected in menu TX Alarms AlarmX Trigger ...

Page 67: ...25 100 100 98 NO2 Nitrogen Dioxide 1 3 3 VC CO Carbon Monoxide 25 100 100 NO2 Nitrogen Dioxide 1 3 3 Table 9 2 Sensor Module Default Settings List of UTx default Other settings for Sensor Module SM SM Name Short Gas Name Long Gas Name Span Engineering Units Hysteresis Zero Blanking 91A CO Carbon Monoxide 100 PPM 2 50 5 91B CO Carbon Monoxide 300 PPM 2 50 5 98 NO2 Nitrogen Dioxide 10 PPM 2 50 8 VC ...

Page 68: ...our avg x xx Daily Peak x xx Custom x xx Sensor x of N Password Press Up Down Up Down Enter Enter buttons Sensor s UTx Exit UTx Service Sensor Service Menu See Sensor Service Menu Flow See UTx Service Menu Flow Sensor s are listed as sensor number and associated gas type Ex S1 CO S2 NO2 Incorrect Enter Pass word S1 gas type Status Normal Last Cal xx days Next Cal xx days Lifetime xx days S N 1234 ...

Page 69: ...w Diagram Span Level 40 00 ADAPTICal Current State Abort Enter the Background Gas level one digit at a time including the sign using the Up Down Buttons Press Enter to advance to next digit Press Enter button while last digit is highlighted will save value Enter the Span Gas level one digit at a time including the sign using the Up Down Buttons Press Enter to advance to next digit Press Enter butt...

Page 70: ...gate list and press Enter Button to select Sub Menu or Exit to return to the UTx Service Menu Select Address S1 S2 to assigned MODBUS addresses for Sensor Module 1 and 2 Select AB Invert to enable disable inversion of RS485 A B Settings Alarm 0 9 Exit Select Alarms See Alarms Sub Menu Flow Diagram See Sensor Configuration Sub Menu Flow Diagram Select Sensor Module to access Sensor Configuration Su...

Page 71: ...tons Press Enter button to advance to next digit Pressing Enter button while last digit is highlighted will save value Use Up Down buttons to toggle between available options Yes No and press Enter Button to select desired response Select S2 gas type Configure using same process as for S1 Note that the S2 option will only appear in transmitters with two Sensor Modules Note Addresses assigned to S1...

Page 72: ...alarm setpoint hysteresis or zero buffering values one digit at a time including the sign using the Up Down Buttons Press Enter button to advance to next digit Pressing Enter button while last digit is highlighted will save value Zero Buff xxx x Cal Period 6 Months Use Up Down buttons to cycle through a list of cal periods Off 3 Months 4 Months 6 Months 12 Months and press Enter button to select d...

Page 73: ...ess Enter button to select desired source Use Up Down buttons to cycle through a list of levels Alarm SP1 Alarm SP2 Alarm SP3 and press Enter button to select desired source Use Up Down buttons to toggle between available options Increasing Decreasing and press Enter Button to select desired response Enter the Delay value in seconds one digit at a time using the Up Down Buttons Press Enter to adva...

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