Emerson Rosemount 928 Reference Manual Download

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6.3

Digital concentration output is not reacting to
presence of target gas

Potential cause

Clogged IP filter

Recommended action

Check whether the IP filter is clogged; replace if necessary.
Refer to

Replace the Ingress Protection filter

Potential cause

Gas sensor module is at the end of its service life.

Recommended action

Replace with a new module.

6.4

LCD display troubleshooting

6.4.1

LCD display is not operating

Potential cause

LCD display is not enabled.

Recommended action

Make sure the LCD display is enabled.

Potential cause

Connector is missing or invalid.

Recommended action

Make sure the LCD display pins are present and not bent.

Potential cause

LCD display is not fully connected.

Recommended action

Make sure the LCD display is properly seated with the tabs snapped in place and fully
engaged.

Troubleshooting

Reference Manual

September 2019

00809-0100-4928

176

Emerson.com/Rosemount

Summary of Contents for Rosemount 928

Page 1: ...Reference Manual 00809 0100 4928 Rev AE September 2019 Rosemount 928 Wireless Gas Monitor ...

Page 2: ... your local Emerson representative WARNING Explosions Explosions could result in death or serious injury Installation of device in an explosive environment must be in accordance with appropriate local national and international standards codes and practices Review Product certifications for any restrictions associated with a safe installation Before connecting a handheld communication device in an...

Page 3: ...the wireless unit contains two C size primary lithium thionyl chloride batteries Each battery contains approximately 2 5 grams of lithium for a total of 5 grams in each pack Under normal conditions the battery materials are self contained and are not reactive as long as the batteries and the pack integrity are maintained Take care to prevent thermal electrical or mechanical damage Protect contacts...

Page 4: ...4 ...

Page 5: ... 107 3 3 Wireless considerations 108 3 4 Electrical 111 3 5 Verify operating atmosphere 111 3 6 Install the transmitter 112 3 7 Rotate LCD display 114 3 8 Ground the transmitter 115 3 9 External alarm device electrical connections 115 Chapter 4 Commissioning 119 4 1 Safety messages 119 4 2 Verify wireless network communication 120 4 3 Using Field Communicator to change the network ID and join key ...

Page 6: ... of target gas 176 6 4 LCD display troubleshooting 176 6 5 Wireless network troubleshooting 177 Appendix A Specifications and reference data 179 A 1 Specifications 179 A 2 Dimensional drawings 182 A 3 Ordering information 183 Appendix B Product certifications 187 B 1 European Directive information 187 B 2 Telecommunication compliance 187 B 3 FCC and IC 187 B 4 Ordinary location certification 187 B...

Page 7: ... C 4 Transient and lightning considerations 195 C 5 Dimensional drawing 196 C 6 Install the high gain remote antenna 197 Appendix D Alert message mapping 201 D 1 Variable mapping 201 D 2 Alert mapping 201 Reference Manual Contents 00809 0100 4928 September 2019 Rosemount 928 vii ...

Page 8: ...Contents Reference Manual September 2019 00809 0100 4928 viii Emerson com Rosemount ...

Page 9: ...ay messages and includes maintenance information such as power module replacement bump testing and periodic calibration Troubleshooting provides descriptions and recommended corrective actions for common errors and problems Specifications and reference data contains functional physical and performance specifications as well as ordering information Product certifications contains telecommunication ...

Page 10: ...hot swappable sensor module installed into the transmitter housing The transmitter sends the gas concentrations measured by the sensor to the host system using the WirelessHART protocol Electrochemical toxic sensors such as those contained in the Rosemount 628 Series Gas Sensor Module consist of a set of electrodes separated by electrolyte material When the target gas is present inside the sensor ...

Page 11: ... in accordance with Intrinsically Safe or non incendive field wiring practices Verify that the operating atmosphere of the transmitter is consistent with the appropriate hazardous locations certifications WARNING Electrical shock Electrical shock could cause death or serious injury Use extreme caution when making contact with the leads and terminals The power module may be replaced in a hazardous ...

Page 12: ... aligned and that it does not block the white filter media Refer to Figure 2 1 When handling the IP filter avoid contact with the filter media Verify that all three legs are fully latched by pushing upward on each leg of the IP filter Avoid getting water inside the IP filter Do not attempt to clean the IP filter Do not rinse or spray the IP filter with water Do not immerse the IP filter in water F...

Page 13: ...keying feature is aligned by rotating it into position before installing the sensor into the transmitter 4 Slide the sensor assembly up into the main transmitter housing until it is completely seated 5 To ensure a firm latch and seal push the sensor upward until the two latching tabs are fully engaged Push up on the bottoms of the tabs after they are seated 6 Allow the transmitter to warm up befor...

Page 14: ... until the module is released from the transmitter housing 2 4 Install the power module The transmitter is powered by the Emerson 701 SmartPower Module Black To connect the module to the transmitter do the following Procedure 1 Remove the rear housing cover A Rear housing cover 2 Connect the Emerson 701 SmartPower Module Black Configuration Reference Manual September 2019 00809 0100 4928 14 Emerso...

Page 15: ... sensor in a functional transmitter The transmitter receives any HART communication from a handheld Field Communicator or from an AMS Wireless Configurator Remove the rear housing cover to expose the terminal block and HART communication terminals then connect the power module to power the device for configuration 2 5 1 Bench configure using a Field Communicator A transmitter Device Description DD...

Page 16: ...onfiguration task 3 When finished select Send to implement configuration changes 4 When configuration is completed remove the HART communications leads from the COMM terminals on the terminal block and replace the rear housing cover 2 5 2 Bench configure AMS Wireless Configurator AMS Wireless Configurator is capable of connecting to devices directly using a HART modem or though a Wireless Gateway ...

Page 17: ... subsections for each configuration task 5 When finished select Send to implement configuration changes 2 6 HART menu trees The following figures show the navigation paths for Field Communicator commands and options A Rosemount 928 Wireless Gas Monitor DD is required for HART Wireless transmitter communication To obtain the latest Emerson DD visit the System Software and Device Description web pag...

Page 18: ...Figure 2 3 Field Communicator Overview Menu Tree Configuration Reference Manual September 2019 00809 0100 4928 18 Emerson com Rosemount ...

Page 19: ...Figure 2 4 Field Communicator Configure Menu Tree Reference Manual Configuration 00809 0100 4928 September 2019 Rosemount 928 19 ...

Page 20: ...eloped the Field Communicator Guided Setup configuration procedures using Emerson AMS Trex Device Communicator The menus are identical to those found in other Field Communicators but are navigated using touch screens rather than fast keys Refer to the manual for your handheld communicator device for more information Configuration Reference Manual September 2019 00809 0100 4928 20 Emerson com Rosem...

Page 21: ...e atmopshere is present Connect the HART communication leads to the COMM terminals on the transmitter terminal block 3 Start your handheld communicator device If necessary open the HART Field Communicator application on your handheld device to establish HART communication Refer to the manual for your handheld communicator device for more information 4 On the Overview screen select Configure Refere...

Page 22: ... 2 7 1 Basic setup Basic setup using Field Communicator Procedure 1 On the Guided Setup screen select Basic Setup 2 On the Device Information screen select any of the following and configure as needed Otherwise continue with Step 3 Configuration Reference Manual September 2019 00809 0100 4928 22 Emerson com Rosemount ...

Page 23: ...nk by default and does not display if left blank Tag Enter an identifier for the device up to eight uppercase alphabetic and numeric characters long using the virtual keypad The Tag field is blank by default and does not display if left blank Reference Manual Configuration 00809 0100 4928 September 2019 Rosemount 928 23 ...

Page 24: ... is blank by default and does not display if left blank Message Enter a message up to 32 alphabetic numeric and special characters long The Message field is blank by default does not display if left blank and may be used for any purpose Configuration Reference Manual September 2019 00809 0100 4928 24 Emerson com Rosemount ...

Page 25: ...3 On the Device Information screen select Next Reference Manual Configuration 00809 0100 4928 September 2019 Rosemount 928 25 ...

Page 26: ... successful completion of basic setup Basic setup using AMS Wireless Configurator Procedure 1 On the Guided Setup tab in the Initial Setup field select Basic Setup Configuration Reference Manual September 2019 00809 0100 4928 26 Emerson com Rosemount ...

Page 27: ...meric characters long using the virtual keypad The Tag field is blank by default and does not display if left blank Descriptor Enter a descriptor of the device up to 16 alphabetic numeric and special characters long The Descriptor field is blank by default and does not display if left blank Message Enter a message up to 32 alphabetic numeric and special characters long The Message field is left bl...

Page 28: ...nd other devices in the network If the network ID and join key are not identical the transmitter will not communicate with the network You can obtain the network ID and join key from the Wireless Gateway on the Setup Network Settings page on the web server Note The amount of time required to join the new device or devices to the network is dependent on the number of devices being joined and the nu...

Page 29: ...reen use the numeric keypad to enter the WirelessHART network ID The network ID must match the Wireless Gateway network ID Refer to the System Settings Network Network Settings page in the Wireless Gateway web based user interface for the network ID 3 Select OK Reference Manual Configuration 00809 0100 4928 September 2019 Rosemount 928 29 ...

Page 30: ... Wireless Gateway web based user interface for the join key 5 Select OK 6 Repeat Step 4 and Step 5 for parts 2 4 of the join key Join a wireless network using AMS Wireless Configurator Procedure 1 On the Guided Setup tab in the Wireless field select Join Device to Network Configuration Reference Manual September 2019 00809 0100 4928 30 Emerson com Rosemount ...

Page 31: ... rate is eight seconds and is appropriate for most applications You may use a more frequent update rate if desired A less frequent update rate extends transmitter power module life and optimizes Wireless Gateway device capacity Consider the speed with which you want to be alerted to a dangerous condition of toxic gas Emerson does not recommend reporting by exception for the Rosemount 928 Wireless ...

Page 32: ...e during configuration The update rate range is one second to sixty minutes The default update rate is eight seconds Less frequent update rates help extend power module life and optimize Wireless Gateway capacity Configure the update rate using Field Communicator Procedure 1 On the Guided Setup screen select Configure Update Rate 2 On the Configure Update Rate screen do one of the following a For ...

Page 33: ...ter than 60 seconds select 61 3600 seconds from the list b Enter the update rate in number of seconds For example enter 1800 seconds for 30 minutes Reference Manual Configuration 00809 0100 4928 September 2019 Rosemount 928 33 ...

Page 34: ...messages from field devices to the wireless gateway saving network bandwidth If you don t use optimizations you will need more message packets to receive the same amount of information Emerson recommends enabling wireless gateway optimizations unless they are incompatible with the wireless gateway 4 Select OK 5 On the Configure Update Rate screen select OK to confirm successful update rate configu...

Page 35: ...nfigure Update Rate to configure the frequency at which the device reports measurement and diagnostic information 2 On the Configure Update Rate screen do one of the following a Select an update rate from 1 to 60 seconds from the list b Select Next Reference Manual Configuration 00809 0100 4928 September 2019 Rosemount 928 35 ...

Page 36: ...om the list b Type the number of seconds for an update rate from 61 seconds to 60 minutes For example enter 1800 seconds for 30 minutes Configuration Reference Manual September 2019 00809 0100 4928 36 Emerson com Rosemount ...

Page 37: ...mbine process measurement and device diagnostic messages from field devices to the wireless gateway saving network bandwidth If you don t use optimizations you will need more message packets to receive the same amount of information Emerson recommends enabling wireless gateway optimizations unless they are incompatible with the wireless gateway 4 Select Next Reference Manual Configuration 00809 01...

Page 38: ...CD display is turned on to display selected dynamic variables screens Disabling the display mode or selecting a less frequent display mode extends power module life Configure the device display mode using Field Communicator Procedure 1 On the Guided Setup screen select Configure Device Display Configuration Reference Manual September 2019 00809 0100 4928 38 Emerson com Rosemount ...

Page 39: ...rate High Availability The display is always on regardless of the configured update rate This is the default display mode option 3 Select OK to save the selected device display options Note When a handheld communication device is connected to the transmitter the LCD display is in High Availability mode Selecting and accepting the On Demand or Periodic options does not take effect until approximate...

Page 40: ...the configured update rate This is the default display mode option 3 Follow the steps in the wizard to configure the device display mode 2 7 6 Configuring process alerts Process alerts allow you to configure the device to send a HART message when the configured data point is exceeded Alerts remain active if the set points are exceeded and the alert mode is ON Process alerts are displayed on a hand...

Page 41: ...You can also clear latched alarms by resetting the alarm by removing and reinstalling the power module Refer to Remove power module and Install the power module Latched alarms do not remain latched following a device reset or power module failure Clearing alert history clears process alert history for other alerts but does not clear latched gas concentration alerts Refer to Clearing process alarm ...

Page 42: ... On the Process Alerts screen select a process alert to configure 3 On the selected process alert screen select Mode Configuration Reference Manual September 2019 00809 0100 4928 42 Emerson com Rosemount ...

Page 43: ...4 On the Mode screen select Enabled 5 Select OK 6 On the selected process alert screen select Alert Limit Reference Manual Configuration 00809 0100 4928 September 2019 Rosemount 928 43 ...

Page 44: ...ad to enter an alert limit for the selected process alert based on your needs and local regulations 8 Select OK 9 On the selected process alert screen select Next Configuration Reference Manual September 2019 00809 0100 4928 44 Emerson com Rosemount ...

Page 45: ...mpleted configuration remove the HART communication leads from the Comm terminals on the terminal block and replace the rear housing cover Configure process alerts using AMS Wireless Configurator Procedure 1 On the Guided Setup tab in the Optional Setup field select Configure Process Alerts The Process Alerts window is displayed Reference Manual Configuration 00809 0100 4928 September 2019 Rosemou...

Page 46: ...Alert Limit box enter an alert limit for the selected process alert based on your needs and local regulations 4 Repeat Step 2 and Step 3 if necessary to configure the Hi Alarm process alert 5 Select Next Configuration Reference Manual September 2019 00809 0100 4928 46 Emerson com Rosemount ...

Page 47: ...hroughout the device s service life When replacing the sensor The Rosemount 628 Universal Gas Sensor is a smart sensor As such it retains its own calibration information It must be connected to a transmitter to calibrate but the calibration settings are stored in the sensor itself rather than in the transmitter You may uninstall the sensor from a transmitter and reinstall it in another transmitter...

Page 48: ...Field Communicators but you navigate using touch screens rather than fast keys Refer to the manual for your handheld communication device for more information Procedure 1 WARNING Explosions Do not connect to the COMM terminals when an explosive atmosphere is present Connect the HART communication leads from the Field Communicator HART terminals to the COMM terminals on the terminal block of the tr...

Page 49: ...4 On the Configure screen select Guided Setup 5 On the Guided Setup screen select Calibrate Sensor Reference Manual Configuration 00809 0100 4928 September 2019 Rosemount 928 49 ...

Page 50: ...ose the sensor to clean air to zero the reading When calibrating for O2 expose the sensor to a known percent of oxygen content calibration gas recommended 15 percent oxygen by volume to be used as the zero calibration value If the ambient air may contain trace amounts of target gas or other gases for example carbon monoxide from engine exhaust that may interfere with zeroing the device do the foll...

Page 51: ...ir known percent oxygen specified calibration gas to the sensor Note If you need a long length of calibration tubing to reach the device make allowances for a delay in response time from the sensor while the clean air travels the length of the calibration tubing e Complete Step 9 through Step 11 f Turn off the clean air or percent oxygen specified calibration gas when the sensor is correctly zeroe...

Page 52: ...eading stabilizes Note Negative measurement readings may occur and are normal during zeroing 10 Wait while the Field Communicator performs zero adjustment Configuration Reference Manual September 2019 00809 0100 4928 52 Emerson com Rosemount ...

Page 53: ...rresponds to the concentration of calibration gas that will be applied during calibration For oxygen use 20 9 percent oxygen from clean air This step may be performed with surrounding air if no contaminants are present 13 Select OK Reference Manual Configuration 00809 0100 4928 September 2019 Rosemount 928 53 ...

Page 54: ...ring calibration Install a regulator on the target gas source 15 Attach a length of calibration tubing PVC tubing 3 16 in ID 5 16 in OD from the regulator on the target gas source to the fitting on the IP filter assembly part number 00628 9000 0001 Configuration Reference Manual September 2019 00809 0100 4928 54 Emerson com Rosemount ...

Page 55: ...as concentration should begin to register on the LCD display and gradually increase to the calibration gas concentration level The gas concentration level shown on the device display may not exactly match that shown on the label of the target gas source 17 Wait while the gas concentration measurement stabilizes Refer to Figure 2 6 Figure 2 6 Typical Calibration Profile A Gas concentration ppm B Ti...

Page 56: ...reading 20 Select OK Note If you can t calibrate the sensor verify that the correct sensor is installed the correct target gas is being applied and the IP filter is not clogged or obstructed A sensor that cannot accept a new calibration may have reached the end of its service life Replace the sensor and repeat this procedure Refer to Replace the gas sensor Configuration Reference Manual September ...

Page 57: ...K to accept the service reminder date or enter another date Refer to Service reminders for more information 23 Shut off the target gas flow at the regulator 24 Detach the calibration tubing from the regulator on the target gas source and from the IP filter inlet on the bottom of the sensor Reference Manual Configuration 00809 0100 4928 September 2019 Rosemount 928 57 ...

Page 58: ...brate using AMS Wireless Configurator Procedure 1 On the Guided Setup tab in the Initial Setup field select Calibrate Sensor Configuration Reference Manual September 2019 00809 0100 4928 58 Emerson com Rosemount ...

Page 59: ...2 On the Calibrate Sensor screen select Next to accept the current date as the calibration date and continue Reference Manual Configuration 00809 0100 4928 September 2019 Rosemount 928 59 ...

Page 60: ... calibration value If the ambient air may contain trace amounts of target gas or other gases for example carbon monoxide from engine exhaust that may interfere with zeroing the device do the following a Obtain a cylinder of verified clean air H2S and CO or a cylinder of verified percent oxygen content calibration gas O2 and a length of calibration tubing PVC tubing 3 16 in ID 5 16 in OD Configurat...

Page 61: ...cent oxygen specified calibration gas to the sensor Note If you need a long length of calibration tubing to reach the device make allowances for a delay in response time from the sensor while the clean air travels the length of the calibration tubing e Perform Step 5 through Step 7 f Turn off the clean air known percent oxygen specified calibration gas when the sensor is correctly zeroed Reference...

Page 62: ...5 Select Next when the zero measurement reading stabilizes 6 Select Next Configuration Reference Manual September 2019 00809 0100 4928 62 Emerson com Rosemount ...

Page 63: ...7 Select Accept New Zero 8 Select Next Reference Manual Configuration 00809 0100 4928 September 2019 Rosemount 928 63 ...

Page 64: ...ion level 10 Select Next WARNING Toxic gas The regulator may release gas into the air during calibration Before starting the next step verify that the regulator is closed Configuration Reference Manual September 2019 00809 0100 4928 64 Emerson com Rosemount ...

Page 65: ... 12 Attach a length of calibration tubing PVC tubing 3 16 in ID 5 16 in OD from the regulator on the target gas source to the IP filter inlet on the bottom of the sensor Reference Manual Configuration 00809 0100 4928 September 2019 Rosemount 928 65 ...

Page 66: ...oncentration should begin to register on the device display and gradually increase to the calibration gas concentration level The gas concentration level shown on the device display may not exactly match that shown on the label attached to the target gas source 14 Wait while the gas concentration measurement stabilizes Refer to Figure 2 7 Figure 2 7 Typical Calibration Profile A Gas concentration ...

Page 67: ...15 Select Next when the gas concentration measurement stabilizes at or near the target gas concentration level Reference Manual Configuration 00809 0100 4928 September 2019 Rosemount 928 67 ...

Page 68: ...he AMS Wireless Configurator calibrates When the calibration process finishes the new adjusted reading is displayed 17 Select Next Configuration Reference Manual September 2019 00809 0100 4928 68 Emerson com Rosemount ...

Page 69: ...18 Select Accept calibration Reference Manual Configuration 00809 0100 4928 September 2019 Rosemount 928 69 ...

Page 70: ...e sensor 2 9 Manual setup Manual setup includes all available configuration settings You may use it to change specific settings configured during initial setup without using the Guided Setup menus You may also use it to configure advanced optional settings Note Emerson developed the Field Communicator manual setup configuration procedures in this manual using Emerson AMS Trex Device Communicator T...

Page 71: ...ve atmosphere is present Connect the HART communication leads to the COMM terminals on the terminal block 3 Start your handheld communicator device If necessary open the HART Field Communicator on your handheld device to establish HART communication Refer to the manual for your handheld communicator device for more information Reference Manual Configuration 00809 0100 4928 September 2019 Rosemount...

Page 72: ...n tasks in the following subsections as needed 2 9 1 Configuring display options The primary variable gas concentration is displayed by default on the LCD display To configure the display of additional dynamic variable items do the following Configuration Reference Manual September 2019 00809 0100 4928 72 Emerson com Rosemount ...

Page 73: ...lay options using Field Communicator Procedure 1 On the Manual Setup screen select Display 2 On the Display screen select Display Options Reference Manual Configuration 00809 0100 4928 September 2019 Rosemount 928 73 ...

Page 74: ...on Concentration Percent of Range Sensor Temp gas sensor module temperature Electronics Temp electronics temperature Supply Voltage 4 Select On 5 Select OK 6 Repeat Step 3 through Step 5 for additional display options Configuration Reference Manual September 2019 00809 0100 4928 74 Emerson com Rosemount ...

Page 75: ...isplay Options screen Pending changes to display options are preserved Select Discard to return to the Display Options screen and discard pending changes Select OK to confirm or Cancel to return to the previous screen Select Send to send display option changes to the device 9 Select Back to return to the Manual Setup screen Reference Manual Configuration 00809 0100 4928 September 2019 Rosemount 92...

Page 76: ...play tab select a display option or options to alternate displaying with the primary variable gas concentrations Concentration Percent of Range Sensor Temperature gas sensor module temperature Electronics Temperature Supply Voltage 3 Select Send Configuration Reference Manual September 2019 00809 0100 4928 76 Emerson com Rosemount ...

Page 77: ...ation Change dialog box select a reason for the change from the Service Reason list Select Details if you want to view additional information 5 Select Yes Reference Manual Configuration 00809 0100 4928 September 2019 Rosemount 928 77 ...

Page 78: ...No the default option you may view and edit device configuration settings If you select Yes you may view device configuration settings but not edit them Lock Device If you select Unlock you may access the device with any host to view and edit configuration settings If you select Lock the default option you cannot access the device with any host to view and edit configuration settings until a host ...

Page 79: ... is Locked field displays On when the device is locked and Off when the device is unlocked Over the Air Upgrade If you select Unlock the default option you can upgrade the transmitter radio with programming sent over the air If you select Lock the transmitter prevents over the air radio upgrades Reference Manual Configuration 00809 0100 4928 September 2019 Rosemount 928 79 ...

Page 80: ...rade the transmitter radio with programming sent over the air If you select Lock you will not be able to upgrade the radio over the air Lock Device If you select Unlock the default option you can access the device with any host to view and edit configuration settings If you select Lock you will not be able to access the device with any host to view and edit configuration settings until a host unlo...

Page 81: ...eld the Device is Locked check box is selected when the device is locked 3 When you are finished making changes select Send to update the device configuration Reference Manual Configuration 00809 0100 4928 September 2019 Rosemount 928 81 ...

Page 82: ... tag Enter an identifier for the device up to 32 characters long using the virtual keypad The Long tag field is blank by default and does not display if left blank Tag Enter an identifier for the device up to eight uppercase alphabetic and numeric characters long using the virtual keypad The Tag field is left blank by default and does not display if left blank Configuration Reference Manual Septem...

Page 83: ...sage up to 32 alphabetic numeric and special characters long The Message field is blank by default does not display if left blank and may be used for any purpose Date Enter a date in mm dd yyy format using the virtual keypad The date may be used for any purpose such as recording the date of the most recent calibration Reference Manual Configuration 00809 0100 4928 September 2019 Rosemount 928 83 ...

Page 84: ...3 When you have finished making changes select Send 4 On the Send screen do one of the following Configuration Reference Manual September 2019 00809 0100 4928 84 Emerson com Rosemount ...

Page 85: ...ect OK to confirm or Cancel to return to the previous screen Select Send to send display option changes to the device 5 Select Back to return to the Manual Setup screen Configure device information using AMS Wireless Configurator Procedure 1 On the Manual Setup page select the Device Information tab Reference Manual Configuration 00809 0100 4928 September 2019 Rosemount 928 85 ...

Page 86: ...es not display if left blank and may be used for any purpose Date Enter a date in mm dd yyyy format The date may be used for any purpose such as recording the date of the most recent calibration 3 When you have finished making changes select Send to update the device configuration 2 10 Advanced options The following optional advanced functionality is available to view calibration history for the s...

Page 87: ...days you must create a new reminder for the next service interval by configuring a new service date The transmitter must be connected to a wireless network to accurately maintain the current date Configure service reminders using Field Communicator Procedure 1 On the Overview screen select Configure 2 On the Configure screen select Alert Setup Reference Manual Configuration 00809 0100 4928 Septemb...

Page 88: ...3 On the Alert screen select Service Reminder 4 On the Service Reminder screen select Last Service Date Configuration Reference Manual September 2019 00809 0100 4928 88 Emerson com Rosemount ...

Page 89: ...reen use the numeric keypad to enter the date on which the last service was performed 6 Select OK 7 On the Service Reminder screen select Reminder Mode Reference Manual Configuration 00809 0100 4928 September 2019 Rosemount 928 89 ...

Page 90: ...nder 9 Select OK 10 On the Service Reminder screen select Reminder Date 11 On the Reminder Date screen use the numeric keypad to enter the date when the next service is due 12 Select OK 13 When you are finished select Send to implement configuration changes Configuration Reference Manual September 2019 00809 0100 4928 90 Emerson com Rosemount ...

Page 91: ...ce reminders using AMS Wireless Configurator Procedure 1 In the Overview pane select Configure 2 On the Configure pane select Alert Setup Reference Manual Configuration 00809 0100 4928 September 2019 Rosemount 928 91 ...

Page 92: ...disable the service reminder Select Enabled to enable the service reminder 5 In the Last Recorded Service Date field enter the date on which the last service was performed 6 In the Service Reminder Date field enter the date when the next service is due Configuration Reference Manual September 2019 00809 0100 4928 92 Emerson com Rosemount ...

Page 93: ...n list Select Details if you want to view additional information 9 Select Yes 2 10 2 Reset or restore device settings Reset or restore device settings using Field Communicator Procedure 1 On the Overview screen select Service Tools Reference Manual Configuration 00809 0100 4928 September 2019 Rosemount 928 93 ...

Page 94: ...2 On the Service Tools screen select Maintenance 3 On the Maintenance screen select Reset Restore Configuration Reference Manual September 2019 00809 0100 4928 94 Emerson com Rosemount ...

Page 95: ...ectronics This preserves current user configuration settings Select Restore Default Settings to return the monitor including the currently installed sensor to its factory default settings This deletes user configuration settings Reference Manual Configuration 00809 0100 4928 September 2019 Rosemount 928 95 ...

Page 96: ...ngs Select Continue to reset configuration settings or to restore factory default settings Select OK to continue Select Cancel to return to the previous screen without making changes Configuration Reference Manual September 2019 00809 0100 4928 96 Emerson com Rosemount ...

Page 97: ...ce settings using AMS Wireless Configurator Procedure 1 In the Overview pane select Service Tools 2 In the Service Tools pane select Maintenance Reference Manual Configuration 00809 0100 4928 September 2019 Rosemount 928 97 ...

Page 98: ...on settings Select Restore Default Settings to return the monitor including the currently installed sensor to its factory default settings This deletes user configuration settings 5 Follow the steps in the wizard to reset the device or restore factory default settings Configuration Reference Manual September 2019 00809 0100 4928 98 Emerson com Rosemount ...

Page 99: ...options Configure local alarm output using a Field Communicator Complete the following steps to configure local alarm output options using a Field Communicator Procedure 1 On the Overview screen select Configure 2 On the Configure screen select Alert Setup Reference Manual Configuration 00809 0100 4928 September 2019 Rosemount 928 99 ...

Page 100: ...3 On the Alert Setup screen select Local Output 4 On the Local Output screen select Alarm Limit Configuration Reference Manual September 2019 00809 0100 4928 100 Emerson com Rosemount ...

Page 101: ...e of the following Not Latched If you select this option the local alarm is not latched This is the default option Latch Conc Alarms If you select this option the local alarm output latches for gas concentration alarms Refer to Resetting latched alarms for information about resetting latched alarms 9 Select OK Reference Manual Configuration 00809 0100 4928 September 2019 Rosemount 928 101 ...

Page 102: ...you select this option only gas concentration alerts above the specified threshold trigger the local alarm This is the default option All Measurement Alerts If you select this option all gas concentration alerts trigger the local alarm 12 Select OK Configuration Reference Manual September 2019 00809 0100 4928 102 Emerson com Rosemount ...

Page 103: ... double click the device icon 2 Select Configure 3 In the Configure pane select Alert Setup 4 In the Alarm Limit field enter an alarm threshold at which to trigger the local alarm output The default alarm threshold is 5 ppm Reference Manual Configuration 00809 0100 4928 September 2019 Rosemount 928 103 ...

Page 104: ...alue Only If this option is selected only gas concentration alerts above the specified alarm threshold trigger the local alarm 6 Select Send 7 In the Confirm Device Configuration Change dialog box select a reason from the Service Reason list Select Details if you want to view additional information 8 Select Yes Configuration Reference Manual September 2019 00809 0100 4928 104 Emerson com Rosemount...

Page 105: ...nd replace the rear housing cover Insert the power module only when the device is ready for commissioning CAUTION The power module may be damaged if dropped from heights in excess of 20 ft 6 10 m Use caution when handling it Reference Manual Configuration 00809 0100 4928 September 2019 Rosemount 928 105 ...

Page 106: ...Configuration Reference Manual September 2019 00809 0100 4928 106 Emerson com Rosemount ...

Page 107: ...llation guidelines could result in death or serious injury Ensure that only qualified personnel perform the installation If installing an optional customer supplied external alarm device verify proper function Refer to External alarm device electrical connections WARNING Explosions Explosions could result in death or serious injury Before connecting a handheld communication device in an explosive ...

Page 108: ...stallation to prevent electrostatic charge buildup The surface resistivity of the antenna is greater than one gigaohm To avoid electrostatic charge buildup do not rub or clean the antenna with solvents or a dry cloth Substitution of components may impair intrinsic safety 3 3 Wireless considerations 3 3 1 Power up sequence Only install the transmitter and all other wireless devices after you have i...

Page 109: ...e application requirements allow approximately three feet one meter from any large structure building or conductive surface to allow for clear communication with other devices Figure 3 1 Antenna Position Reference Manual Install 00809 0100 4928 September 2019 Rosemount 928 109 ...

Page 110: ...ramework may adversely affect the antenna s performance The Rosemount 928 is a diffusion based gas monitor This means that the target gas must actually come into contact with the electrochemical sensor for the device to register a signal Each target gas has a unique density and behaves differently depending on the density of the surrounding atmosphere For example hydrogen sulfide is considered a h...

Page 111: ...ndling the power module 3 4 2 Making electrical connections Rosemount 928XSS01 and 928XUT01 only Make electrical connections through the cable entry in the side of the connection head Be sure to provide adequate clearance for cover removal 3 5 Verify operating atmosphere Verify that the operating atmosphere of the transmitter and the sensor is consistent with the appropriate hazardous locations ce...

Page 112: ...es directly to the transmitter You can also use the B4 bracket in other mounting configurations such as mounting the transmitter to a wall or a panel 3 6 1 Pipe mount Required equipment Mounting kit part number 03151 9270 0004 One 2 in 50 8 mm U bolt assembly One B4 mounting bracket Two 5 16 18 x 1 in bolts Two washers A in combination wrench and adjustable wrench Install Reference Manual Septembe...

Page 113: ...ting 3 6 2 Panel mount Required equipment Mounting kit part number 03151 9270 0004 One B4 mounting bracket Two in x 1 in bolts A 5 16 in combination wrench or adjustable wrench A in combination wrench or adjustable wrench Two 5 16 18 bolts with nuts and washers not included Reference Manual Install 00809 0100 4928 September 2019 Rosemount 928 113 ...

Page 114: ... LCD display out rotating it and snapping it back into place Note Although you can rotate the LCD display always install the transmitter with the sensor facing downwards If the LCD display pins are inadvertently removed from the interface board carefully reinsert the pins before snapping the LCD display back into place Note Use only Rosemount Wireless LCD Display part number 00753 9004 0002 Instal...

Page 115: ...e device to detect whether this option is installed Examples of alarm mechanism options include Audible alarm Visual alarm for example a flashing light Initiate action for example close valves initiate facility evacuation call emergency services WARNING Alarm If installing an optional customer supplied external alarm device verify proper function Verify that gas concentrations in the area have dis...

Page 116: ...mm terminal 2 On the main housing remove one of the conduit plugs Refer to Figure 3 2 3 Route the barrier power and alarm output wiring into the main housing 4 Connect the wiring to the external device on the terminal block according to the terminal labels Do one of the following Note Shield alarm wiring for noise immunity Perform four wire installation This is the most common configuration Refer ...

Page 117: ...m A External alarm suppression button optional 5 Connect the wiring to the external device according to the manufacturer s instructions 6 Verify that the external device functions properly a Perform a bump test Refer to Bump testing Reference Manual Install 00809 0100 4928 September 2019 Rosemount 928 117 ...

Page 118: ...se the external device s manual test function to verify proper function Refer to the external device documentation for more information Install Reference Manual September 2019 00809 0100 4928 118 Emerson com Rosemount ...

Page 119: ... serious injury Use extreme caution when making contact with the leads and terminals The power module may be replaced in a hazardous area The power module has a surface resisitivity greater than one gigaohm and must be properly installed in the wireless device enclosure Take care during transporation to and from the point of installation to prevent electrostatic charge buildup The surface resistiv...

Page 120: ...ork You may obtain the network ID and join key from the Wireless Gateway on the Setup Network Settings page on the web server shown in Figure 4 1 Figure 4 1 Wireless Gateway Network Settings Refer to Joining the transmitter to a wireless network 4 2 1 Verify network join status The chevron shaped status bar at the top of the LCD screen indicates the progress of the network join process When the st...

Page 121: ...nicator Procedure 1 On the Overview screen select Service Tools 2 On the Service Tools screen select Communications 3 Verify the following communications information Reference Manual Commissioning 00809 0100 4928 September 2019 Rosemount 928 121 ...

Page 122: ...oin mode Neighbor Count Displays the number of available neighboring devices Advertisement Count Displays the number of advertisement packets received 4 When finished select Back to return to the Communications screen 4 2 3 Verify communication using AMS Wireless Configurator Complete the following steps to verify communications on the device using the AMS Wireless Configurator Procedure 1 Open AM...

Page 123: ...ervice Tools pane select Communications 8 On the Communications tab in the Join Status field verify that all four network join steps are completed 4 2 4 Verify communication using the Wireless Gateway Open the Wireless Gateway web interface This page shows whether the device has joined the network and is communicating properly Reference Manual Commissioning 00809 0100 4928 September 2019 Rosemount...

Page 124: ...change the network ID and join key If you need to change the network ID and join key refer to Join a wireless network using AMS Wireless Configurator 4 5 Verify operation There are four ways to verify operation Transmitter LCD display Handheld communication device Wireless Gateway s integrated web interface AMS Device Manager Commissioning Reference Manual September 2019 00809 0100 4928 124 Emerso...

Page 125: ...fer to Configuring display options if you need to change the display items 2 Verify that the display mode is correct Refer to Configuring the device display mode if you need to change the display mode Disabled The display is turned off This is useful if the display will never be viewed locally On Demand The display is on when the transmitter is connected to a handheld communication device or when ...

Page 126: ...fter power up verify the correct configuration of the network ID and join key and verify that active advertising has been enabled on the wireless gateway The network ID and join key in the device must match the network ID and join key of the wireless gateway You may obtain the network ID and join key from the wireless gateway on the Setup Network Setttings page on the web interface You may change ...

Page 127: ...area ensure that the external device is installed in accordance with Intrinsically Safe or non incendive field wiring practices Verify that the transmitter operating atmosphere is consistent with the hazardous location certifications WARNING Electrical shock Electrical shock could cause death or serious injury Use extreme caution when making contact with the leads and terminals The power module ma...

Page 128: ...racters long will not display if all characters are blank Software Revision Displays the current revision level D E V FAILUR Device Status Information The device has detected an electronics or memory fault 5 2 2 Periodic LCD display screens The periodic screens display during device startup after the startup screens and display after the diagnostics screens when you press the Diagnostics button Pr...

Page 129: ...play if no alerts are active Gas Alert screen Displays when the local discrete alert output or process alert for a gas concentration level is active This screen does not display if no alerts are active 5 2 3 Diagnostic button LCD display screens These screens display automatically when the device is operating properly and you have pressed the Diagnostic button These screens also display during sta...

Page 130: ... the NIM The chevron bar graph displays 0 percent Network Initializing The NIM is starting and waiting to complete its boot sequence The chevron bar graph displays 25 percent Network Idle The NIM is accepting configuration commands and waiting for the Join process to begin The chevron bar graph displays 25 percent Network Disconnect The NIM is disconnected and requires a Force Join to exit this mo...

Page 131: ...eens display the device diagnostics depending on the state of the device and appear after the Diagnostic button screen sequence Electronics Failure There is a critical error which may prevent the DIM feature board from operating correctly Check additional status screens for more information about the failure source Electronics Warning There is a warning that needs to be addressed but should not af...

Page 132: ...er may affect non critical operation of the device Check the extended configuration status to identify which configuration items require correction SNSR FAILUR Sensor Failure The sensor attached to the transmitter has failed valid readings from that sensor are no longer possible Check the sensor connections Check additional status for more detailed information about the failure source Sensor Warni...

Page 133: ... based on the specified service date the date on which the gas sensor module was last calibrated Calibration History Displays the calibration history of the installed gas sensor module Gas Module Replacement Displays a notification that the gas sensor module must be replaced soon This can only be resolved by replacing the gas sensor module Revert to Previous Gas Module Calibration Restores the pre...

Page 134: ... alarm in case of a device failure alert If you select Alerts do not Trigger Gas Alarms the device only issues an alarm when the detected gas concentration level exceeds the specified alarm threshold Configurable Update Rate Specifies the wireless update rate The range is 1 second to 60 seconds The default update rate is eight seconds Refer to Update rate considerations Gas Concentration Filtering...

Page 135: ... latched following a device reset or power mode failure You can also clear latched alarms by using the Reset Latched Alarms functions in Field Communicator or AMS Wireless Configurator 5 4 1 Reset latched alarms using Field Communicator Procedure 1 On the Overview screen select Service Tools 2 On the Service Tools screen select Maintenance Reference Manual Operation and maintenance 00809 0100 4928...

Page 136: ...3 On the Maintenance screen select Reset Restore 4 On the Reset Restore screen select Reset Latch Operation and maintenance Reference Manual September 2019 00809 0100 4928 136 Emerson com Rosemount ...

Page 137: ...n the Latched alarm will be deactivated screen select Continue 6 Select OK 7 On the Reset Latch screen select OK Reference Manual Operation and maintenance 00809 0100 4928 September 2019 Rosemount 928 137 ...

Page 138: ...AMS Wireless Configurator Procedure 1 In AMS Wireless Configurator select Service Tools 2 In the Service Tools pane select Maintenance Operation and maintenance Reference Manual September 2019 00809 0100 4928 138 Emerson com Rosemount ...

Page 139: ...3 Select the Reset Restore tab 4 On the Reset Restore tab select Reset Latched Alarms Reference Manual Operation and maintenance 00809 0100 4928 September 2019 Rosemount 928 139 ...

Page 140: ... Next 7 Select Next 8 Select Finish Note You can also access Reset Latched Alarms in Field Communicator and in AMS Wireless Configurator by navigating to Service Tools Active Alerts and Configure Alert Setup Process Alerts Operation and maintenance Reference Manual September 2019 00809 0100 4928 140 Emerson com Rosemount ...

Page 141: ... Communicator or AMS Wireless Configurator 5 5 1 Clear process alarm history using Field Communicator Procedure 1 On the Overview screen select Service Tools 2 On the Service Tools screen select Alerts Reference Manual Operation and maintenance 00809 0100 4928 September 2019 Rosemount 928 141 ...

Page 142: ...3 On the Alerts screen select History 4 On the History screen select Clear Alert History Operation and maintenance Reference Manual September 2019 00809 0100 4928 142 Emerson com Rosemount ...

Page 143: ...be erased screen the Yes is selected by default Select OK to erase alert history 6 On the Clear Alert History screen select OK to confirm Reference Manual Operation and maintenance 00809 0100 4928 September 2019 Rosemount 928 143 ...

Page 144: ...elect Back to return to the Service Tools screen 5 5 2 Clear process alarm history using AMS Wireless Configurator Procedure 1 In AMS Wireless Configurator select Service Tools Operation and maintenance Reference Manual September 2019 00809 0100 4928 144 Emerson com Rosemount ...

Page 145: ...In the Service Tools pane select Alerts 3 Select the History tab 4 On the History tab select Clear Alarm History Reference Manual Operation and maintenance 00809 0100 4928 September 2019 Rosemount 928 145 ...

Page 146: ...can view previous calibration settings for the currently installed gas sensor module 5 6 1 View calibration history using a Field Communicator Procedure 1 On the Overview screen select Service Tools Operation and maintenance Reference Manual September 2019 00809 0100 4928 146 Emerson com Rosemount ...

Page 147: ...2 On the Service Tools screen select Maintenance 3 On the Maintenance screen select Routine Maintenance Reference Manual Operation and maintenance 00809 0100 4928 September 2019 Rosemount 928 147 ...

Page 148: ...4 On the Routine Maintenance screen select Calibration 5 On the Calibration screen select Read History Operation and maintenance Reference Manual September 2019 00809 0100 4928 148 Emerson com Rosemount ...

Page 149: ...or the installed sensor 7 When you have finished viewing calibration history select Back to exit 5 6 2 View calibration history using AMS Wireless Configurator Procedure 1 On the Overview screen select Service Tools Reference Manual Operation and maintenance 00809 0100 4928 September 2019 Rosemount 928 149 ...

Page 150: ...2 In the Service Tools pane select Maintenance 3 On the Routine Maintenance tab select Calibration Operation and maintenance Reference Manual September 2019 00809 0100 4928 150 Emerson com Rosemount ...

Page 151: ...tab select Read Calibration History In the Calibration History field the calibration history for the installed sensor is displayed Reference Manual Operation and maintenance 00809 0100 4928 September 2019 Rosemount 928 151 ...

Page 152: ...tion history select Close 5 7 Sensor log You can view status process variable and diagnostic history for the currently installed Rosemount 628 Operation and maintenance Reference Manual September 2019 00809 0100 4928 152 Emerson com Rosemount ...

Page 153: ...og using Field Communicator Procedure 1 On the Overview screen select Service Tools 2 On the Service Tools screen select Maintenance Reference Manual Operation and maintenance 00809 0100 4928 September 2019 Rosemount 928 153 ...

Page 154: ...n the Maintenance screen select Routine Maintenance 4 On the Routine Maintenance screen select Sensor Log Operation and maintenance Reference Manual September 2019 00809 0100 4928 154 Emerson com Rosemount ...

Page 155: ...cific Time Stamp Enter a specific time stamp by which to view records including the date and time 6 Select OK 7 On the Found a record screen view the sensor log information Do one of the following Select Read Next Record to go to the next record in the sensor log based on the selected database search method This is the default option Reference Manual Operation and maintenance 00809 0100 4928 Septe...

Page 156: ...This option is available only if additional information is available for the selected record Select Exit to leave the sensor log 8 When finished viewing sensor log records click Exit Operation and maintenance Reference Manual September 2019 00809 0100 4928 156 Emerson com Rosemount ...

Page 157: ...sing AMS Wireless Configurator Procedure 1 On the Overview screen select Service Tools 2 In the Service Tools pane select Maintenance Reference Manual Operation and maintenance 00809 0100 4928 September 2019 Rosemount 928 157 ...

Page 158: ...default option Newest record View the newest record in the database first Search for a Specific Time Stamp Enter a specific time stamp by which to view records including the date and time 5 Select Next 6 On the Found a record screen view the sensor log information Do one of the following Operation and maintenance Reference Manual September 2019 00809 0100 4928 158 Emerson com Rosemount ...

Page 159: ...ct Exit 8 Select Finish 5 8 Bump testing Bump testing is a process by which the target gas is introduced to the sensor to verify that the device is functioning properly Bump testing does not replace calibration Emerson recommends bump testing throughout the sensor s service life as prescribed by your facility preventative maintenance procedures If bump testing fails recalibrate the sensor Refer to...

Page 160: ... system take precautions to prevent unwanted automated responses during bump testing Procedure 1 Install a regulator on the target gas source 2 Attach a length of calibration tubing from the regulator on the target gas source to the IP filter inlet on the bottom of the sensor 3 Release the target gas from the target gas source Emerson recommends a flow rate of 0 2642 gpm 1 0 lpm to ensure a consis...

Page 161: ... any or all of the following Blocked sensor electrodes Damaged sensor electrodes Damaged sensor body False baselines 5 11 Replace the gas sensor The sensor is connected to the transmitter assembly by means of two tabs which fit into the bottom portion of the housing The seal between the transmitter housing and the sensor assembly is designed so that the fit is airtight between the two assemblies w...

Page 162: ...wer module Expected power module life is 5 8 years at reference conditions 1 As shown in the following table actual power module life expectancy in the field depends upon factors such as wireless update rate network design environmental conditions and LCD settings CAUTION If you do not replace the power module promptly the device will cease to function Replace the power module as soon as possible ...

Page 163: ...p times based on gas type During the warm up period the displayed values alerts and gas concentrations will not reflect actual measurements the device will not transmit readings Table 5 4 Maximum Warm up Periods Gas type Maximum warm up period Hydrogen sulfide H2S One minute Oxygen O2 Seven minutes Carbon monoxide CO One minute 5 12 1 Handling the power module The Emerson 701 SmartPower Module Bla...

Page 164: ...ains two C size primary lithium batteries The US Department of Transportation regulates primary lithium batteries in transportation and the International Air Transport Association IATA International Civil Aviation Organization ICAO and European Ground Transportation of Dangerous Goods ARD also cover primary lithium batteries The shipper is responsible for ensuring compliance with these or any othe...

Page 165: ...et is in place is properly aligned and is not blocking the white filter media Refer to Figure 5 1 When handling the IP filter avoid contact with the filter media Verify that all three legs are fully latched by pushing upward on each leg of the IP filter Avoid getting water inside the IP filter Do not attempt to clean the IP filter Do not rinse or spray the IP filter with water Do not immerse the I...

Page 166: ...ica contact your Emerson representative Within the United States call the Emerson Response Center toll free number 1 800 654 7768 This center is available 24 hours a day to assist with any needed information or materials The Response Center will ask for product model and serial numbers and will provide a Return Material Authorization RMA number The Response Center will also ask for the process mat...

Page 167: ...If the product being returned was exposed to a hazardous substance as defined by the Occupational Safety and Health Administration OSHA a copy of the required Material Safety Data Sheet MSDS for each hazardous substance identified must be included with the returned goods Reference Manual Operation and maintenance 00809 0100 4928 September 2019 Rosemount 928 167 ...

Page 168: ...Operation and maintenance Reference Manual September 2019 00809 0100 4928 168 Emerson com Rosemount ...

Page 169: ...Device Reset to reset the device electronics 4 Reconfirm all configuration items in the device 5 If the condition persists replace the transmitter 6 2 2 Radio Failure The wireless radio has detected a failure or stopped communicating Recommended actions 1 Reset the device by removing and reinstalling the power module 2 If the condition persists replace the transmitter 6 2 3 Capacity Denied The dev...

Page 170: ...Reconfirm sensor configuration 4 Reset the device by removing and reinstalling the power module 5 Replace the sensor module 6 2 6 Sensor Module Temperature Exceeded The gas sensor module s temperature has exceeded the sensor s maximum safe operating range Recommended actions 1 Verify that the environmental temperature is within the sensor s range 2 If possible mount the transmitter in an area with...

Page 171: ...the device by removing and reinstalling the power module 4 If the condition persists replace the transmitter 6 2 10 HI HI Alarm The primary variable has surpassed the user defined limit WARNING Always respond to all indications of dangerous concentrations of toxic gas as though they are real until they are proven false Recommended actions 1 Verify the process variable is within user specified limi...

Page 172: ...ING Always respond to all indications of dangerous concentrations of toxic gas as though they are real until they are proven false Recommended actions 1 Verify the process variable is within user specified limits 2 Reconfirm the user defined alarm limit 3 If not needed disable this alert 6 2 14 Button Stuck A button on the electronics board is detected as stuck in the active position Recommended a...

Page 173: ...is intact 2 Verify that the correct sensor is installed for the gas type and range 6 2 17 User Alert Configurations Invalid One of several user alert configurations is invalid Recommended action Verify the user alert configuration reconfigure as required 6 2 18 Configuration Warning The device has detected an error in its configuration settings Recommended actions 1 Check all configuration setting...

Page 174: ...il they are proven false Recommended actions 1 If alarm latching is enabled and the gas concentration level has returned to a level that matches the intended application reset the alarm latch to clear this alert 2 Adjust the local alarm limit to match the intended application 6 2 23 Sensor Module Service Overdue A bump test or calibration has not been performed for the gas sensor module for longer...

Page 175: ...as type or range verify that the gas concentration alarm thresholds are correct for the new gas type After confirming the thresholds acknowledge the condition to clear the error Perform sensor configuration and calibration Refer to Basic setup and Calibrating the sensor 6 2 27 Simulation Active The device is in simulation mode and may not be reporting actual information Recommended actions 1 Verif...

Page 176: ...ule 6 4 LCD display troubleshooting 6 4 1 LCD display is not operating Potential cause LCD display is not enabled Recommended action Make sure the LCD display is enabled Potential cause Connector is missing or invalid Recommended action Make sure the LCD display pins are present and not bent Potential cause LCD display is not fully connected Recommended action Make sure the LCD display is properly...

Page 177: ...r more information 6 5 2 Short power module life Recommended actions 1 Check that Power Always On mode is off 2 Verify device is not installed in extreme temperatures 3 Verify device is not a network pinch point 4 Check for excessive network rejoins due to poor connectivity 6 5 3 Limited bandwidth error Recommended actions 1 Reduce the update rate on transmitter 2 Increase communication paths by a...

Page 178: ...Troubleshooting Reference Manual September 2019 00809 0100 4928 178 Emerson com Rosemount ...

Page 179: ...f 18 mW 12 5 dBm EIRP High gain remote WN option antenna Maximum of 40 mW 16 dBm EIRP Remote extended WJ option antenna Maximum of 18 mW 12 5 dBm EIRP Local display The integral LCD display can display alert state and diagnostic information Configurable to display updates at each wireless update Humidity limits See Table 1 Maximum inputs for the Rosemount 928 ordinary and IS environments 28 Volts ...

Page 180: ...uminum or stainless steel Paint polyurethane Cover O ring Buna N Terminal block and power module pack PBT Antenna PBT PC integrated omnidirectional antenna Conduit entries 14 national pipe thread NPT Rosemount 928 weight Low copper aluminum housing 2A ordering option 73 ounces 2076 grams Stainless steel housing 2S ordering option 143 ounces 4055 grams Enclosure ratings NEMA 4X and IP66 2 Reference...

Page 181: ...0 15 mm displacement peak amplitude 60 500 Hz 2g Temperature guidelines Sensor type Operating limit Transmitter storage limit Sensor storage recommendation H2S 40 to 122 F 40 to 50 C 40 to 185 F 40 to 80 C 34 to 45 F 1 to 7 C O2 22 to 122 F 30 to 50 C 40 to 185 F 40 to 80 C 34 to 45 F 1 to 7 C CO 22 to 122 F 30 to 50 C 40 to 185 F 40 to 80 C 34 to 45 F 1 to 7 C Note The electrochemical cells in se...

Page 182: ...A 2 Dimensional drawings Figure A 1 Rosemount 928 Dimensions are in inches millimeters Specifications and reference data Reference Manual September 2019 00809 0100 4928 182 Emerson com Rosemount ...

Page 183: ...epresent the most common options and should be selected for best delivery The non starred options are subject to additional delivery lead time Product description 928 Wireless Gas Monitor Transmitter output X Wireless Sensor options SS Sensor specified separately and shipped with the transmitter requires specification of the Rosemount 628 Reference Manual Specifications and reference data 00809 01...

Page 184: ...n starred options are subject to additional delivery lead time Wireless update range operating frequency and protocol WA3 User configurable update rate 2 4 GHz DSSS IEC 65291 WirelessHART Omnidirectional wireless antenna and SmartPower solutions WK1 External antenna adapter for black power module I S power module sold separately WM1 Extended range external antenna WJ1 Remote antenna adapter for bl...

Page 185: ...options and should be selected for best delivery The non starred options are subject to additional delivery lead time Product description 628 Universal Gas Sensor Sensor technology EC Electrochemical Gas type T02 Hydrogen sulfide A03 Oxygen T04 Carbon monoxide Unit of measurement 2 ppm 3 by volume Sensor range F 0 100 D 0 25 K 0 1000 Typical model number 628 EC TO2 2 F A 3 5 Spare parts Descriptio...

Page 186: ...Specifications and reference data Reference Manual September 2019 00809 0100 4928 186 Emerson com Rosemount ...

Page 187: ...erence received including interference that may cause undesired operation This device must be installed to ensure a minimum antenna separation distance of 7 81 in 20 cm from all persons B 4 Ordinary location certification As standard the transmitter has been examined and tested to determine that the design meets basic electrical mechanical and fire protection requirements by a nationally recognize...

Page 188: ... use only with the Emerson Model 701PBKKF the Computation Systems Inc MHM 89004 or the Perpetuum Ltd IPM71008 IPM74001 2 The surface resistivity of the antenna is greater than 1 GΩ To avoid electrostatic discharge buildup it must not be rubbed or cleaned with solvents or dry cloth 3 Substitution of components may impair Intrinsic Safety B 7 Canada I6 Canada Intrinsically Safe IS Certificate CSA 70...

Page 189: ...G Ex ia IIC T4 Ga T4 40 C Ta 50 C Type IP66 Refer to Table B 1 and Table B 2 Special Conditions for Safe Use X 1 Under certain extreme circumstances the non metallic parts incorporated in the enclosure of this equipment may generate an ignition capable of electrostatic charge Therefore the equipment shall not be installed in a location where the external conditions are conducive to the build up of...

Page 190: ...nt aluminum and is considered a potential risk ignition by impact or friction Care must be taken into account during installation and use to prevent impact or friction 3 The equipment shall be powered by Emerson 701PBKKF An alternative power source shall be the the CSI MHM 89004 as these devices have output parameters that are equal or less onerous than the parameters of the 701PBKKF 4 Only the 37...

Page 191: ...il IM INMETRO Intrinsically Safe Certificate UL BR 19 0096X Standards ABNT NBR IEC 60079 0 2013 ABNT NBR IEC 60079 11 2013 Markings Ex ia IIC T4 Ga T4 40 C Ta 50 C Special Conditions for Safe Use X See certificate Reference Manual Product certifications 00809 0100 4928 September 2019 Rosemount 928 191 ...

Page 192: ...cally Safe installation drawing Figure B 1 Rosemount 928 Wireless Gas Monitor Intrinisically Safe Installation Drawing Product certifications Reference Manual September 2019 00809 0100 4928 192 Emerson com Rosemount ...

Page 193: ...de installation flexibility while optimizing wireless performance and local spectrum approvals To maintain wireless performance and avoid non compliance with spectrum regulations do not change the length of cable or the antenna type If the supplied remote mount antenna kit is not installed per these instructions Emerson is not responsible for wireless performance or non compliance with spectrum re...

Page 194: ...htning arrestor Electrical connection lightning arrestor MUST be grounded per local electrical codes and regulations Mounting bracket Horizontal or vertical mast accommodation Supported mast diameter 1 0 to 2 5 in 2 5 to 6 4 cm Aluminum bracket Nickel zinc plated mounting U bolts C 2 8 Ratings NEMA 4X and IP66 67 C 2 9 Vibration 3 g maximum vibration C 3 Installation considerations C 3 1 Antenna m...

Page 195: ...oop A A Coaxial drip loop C 3 5 Apply coaxial sealant moisture protection Use the coaxial sealant included in the high gain remote mounting kit package Follow the included instructions for application on the coaxial connection C 4 Transient and lightning considerations C 4 1 Wireless gateway transient protection When installing the antenna consider using transient and lightning protection customer...

Page 196: ...htning Arrestor n n n 53 2 75 4 PLS X 20 2 ft 513m D A B C E A Antenna B Mounting bracket C Mounting arrester D 25 ft 7 5 m cable E Min drip loop Ø12 in 0 3 m High gain remote antenna option Reference Manual September 2019 00809 0100 4928 196 Emerson com Rosemount ...

Page 197: ... on the transmitter Procedure 1 Mount the transmitter Refer to Install the transmitter Figure C 3 High Gain Remote Antenna A A RF lightning protector 2 Connect the RF lightning protector to the device and tighten Reference Manual High gain remote antenna option 00809 0100 4928 September 2019 Rosemount 928 197 ...

Page 198: ... both the antenna and the lightning protector connected to the transmitter leaving one loop minimum for a drip loop Ensure that the drip loop is lower than the device to allow water to flow away from the device High gain remote antenna option Reference Manual September 2019 00809 0100 4928 198 Emerson com Rosemount ...

Page 199: ...at the RF connections are completely sealed 6 Attach the U bolts to the mounting bracket to position the antenna vertically 7 Verify that the antenna is positioned vertically Tighten the U bolts to the mast Reference Manual High gain remote antenna option 00809 0100 4928 September 2019 Rosemount 928 199 ...

Page 200: ...High gain remote antenna option Reference Manual September 2019 00809 0100 4928 200 Emerson com Rosemount ...

Page 201: ...ication together with the location of the alert in the HART command 48 Additional Status field To view active alerts in Field Communicator or AMS Device Manager from the Home screen go to Service Tools Active Alerts D 1 Variable mapping Table D 1 Device Variable Index Device variable Index 0 Supply voltage 1 Electronics temperature 2 Gas concentration 3 Sensor temperature Table D 2 Device Variable...

Page 202: ...l cannot be measured 1 Location of the alert in the HART command 48 Status field Table D 4 Maintenance Alerts M Message Additional status 1 Description Button Stuck Byte 1 Bit 5 A button on the electronics board is stuck in the active position Sensor Module Service Overdue Byte 3 Bit 2 The sensor module has not been serviced for longer than the configured reminder date or required service interval...

Page 203: ...as sensor Local Alarm Output Active Byte 3 Bit 3 The gas concentration measured by this device has exceeded the local alarm limit The local alarm output if equipped is now active Module Type Change Byte 4 Bit 5 The installed gas sensor module was replaced but is different from the type or range previously configured HI HI Alarm Byte 5 Bit 4 A device variable value has surpassed the user defined li...

Page 204: ...ab Emirates P O Box 17033 971 4 811 8100 971 4 886 5465 safety csc emerson com ASIA PACIFIC Emerson Automation Solutions 1 Pandan Crescent Singapore 128461 Republic of Singapore 65 6 777 8211 65 6 777 0947 safety csc emerson com Linkedin com company Emerson Automation Solutions twitter com rosemount_news Facebook com Rosemount youtube com RosemountMeasurement 2019 Emerson All rights reserved The E...

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