Dryer Master DM510 User Manual Download Page 12

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Dryer Master DM510

Operations Manual

Equipment Schematic

Figure 1- Application Schematic

Dryer

Control

Panel

Drying

Rate, Rate

setpoint &

L/R control

switching

Dryer

Inlet

Moisture

sensor

Outlet

Moisture

sensor

Drying Air

Temperature

sensor

Calibration

button

Printer

Router for

internet

connectivity

PLC

supporting

Modbus

Serial

RTU

Note: DM510 systems come with either a drying
air temp sensor (shown in diagram),

a signal

converter which uses the dryer

’

s temperature

signal. In the latter case the signal converter is
typically located at the dryer panel)

Printer

(Optional)

Summary of Contents for DM510

Page 1: ......

Page 2: ...885 4300 USA Canada Toll Free 1 888 318 0009 E mail info dryermaster com Reminder Remember to register your DM510 at dryermaster com Simply by registering your new DM510 you can automatically extend your warranty from 1 year to 2 years March 24 2003 March 11 2005 March 12 2007 May 12 2009 July 12 2013 January 31 2015 January 1 2016 January 10 2017 March 13 2018 ...

Page 3: ...10 Drying Air Temperature Sensor or Temperature Signal Converter 10 Equipment Schematic 11 DM510 User Interface 12 Front Panel Layout 12 Display Screen 13 Main Operations Screen 13 Description of Main Operations Screen displayed items 13 Operation mode descriptions 15 Local Mode 15 Manual Mode 15 Automatic Mode 16 DM510 Keypad 16 Description of the Keys Buttons usage and functions 16 DM510 Status ...

Page 4: ...Routine 29 A Typical Yearly Routine 30 Start Up Check List 30 Shutdown Check List 30 DM510 Function Usage 31 Mode key 31 Manual discharge rate control at the DM510 32 Automatic discharge rate control at the DM510 33 Local discharge rate control at the Dryer Panel 34 Setpoint Key 35 Set Discharge Rate 35 Set Moisture Setpoint 37 Calibrate key 38 Main Operations screen with Calibration in progress I...

Page 5: ...at 56 View key 57 The View key Hierarchy 57 View History screen 57 Product Key 58 The Product key Hierarchy 58 Select Product 58 Support Key 59 The Support key Hierarchy 59 Support System Help 59 Diagnostics Screen 1 60 Diagnostics Screen 2 60 Diagnostics Screen 3 61 Control Overview 61 Control Update 62 Settings Key 63 System Settings 63 Supervisor Setup 64 Control Limits 65 Alarm Actions 66 Cali...

Page 6: ...7 All the grain is not coming out at the moisture setpoint target 77 In Local mode the dryer speed control and the DM speed control do not read the same 78 The DM takes a long time to get Ready 78 Appendix 3 Troubleshooting Moisture Sensors 78 The inlet sensor is reading 1 too high Should I calibrate 78 The outlet moisture keeps moving up and down Why 78 When I start up for the day the calibration...

Page 7: ...d platforms that are extremely flexible and readily configured by the end user In support of our real time advanced control systems DMSI provides a full range of hardware and software engineering services system commissioning operator training and extended over the phone remote support We deliver proven solutions resulting in increased yields improved and consistent product quality maximized plant...

Page 8: ...M510 Control Panel An explanation of what you see on the operations screen the various keys buttons used to run the DM510 and the meaning of the status lights Operating the DM510 All the basics for operating the DM510 Step by Step Key Instructions DM510 Function and Usage Once you are comfortable with the basics of operating the DM510 you can use this section to explore the full range of possibili...

Page 9: ... feed and remote access via internet capability An optional printer is also available The system uses this and other information to set the optimum grain discharge rate to control the moisture of the product within a narrow tolerance The DM510 is capable of being monitored and controlled remotely through a web browser on your smart phone tablet or desktop PC through DM Mobile Simply connect the DM...

Page 10: ... conditions The DM510 has two important advantages First in automatic mode it can continually watch the dryer It does not have to help unload trucks load trains or do any other jobs around the elevator The dryer receives its full attention Second it has the benefit of continuous moisture information from both the inlet and the outlet of the dryer giving it a complete picture of all the grain in th...

Page 11: ...reports such as Continuous Averages Hourly Summaries and Daily Summaries etc These are tools that can be used to manage the total drying process Inlet Moisture and Temperature Sensor The inlet moisture and temperature sensor is installed in the flow of the product before it enters the drying zone hot zone of the dryer typically in the garner or holding bin above the hot zone Outlet Moisture and Te...

Page 12: ...or Outlet Moisture sensor Drying Air Temperature sensor Calibration button Printer Router for internet connectivity PLC supporting Modbus Serial RTU or Note DM510 systems come with either a drying air temp sensor shown in diagram or a signal converter which uses the dryer s temperature signal In the latter case the signal converter is typically located at the dryer panel Printer Optional ...

Page 13: ...ace The user interface incorporates three devices an LCD display screen status lights LED s and the keypad The following sections describe the operation and functionality of the three components of the user interface Front Panel Layout Figure 2 Front Panel Layout ...

Page 14: ...re sensor 2 Inlet moisture sensor product moisture The moisture of the product at the top of the dryer as measured by the inlet moisture sensor 3 Dryer discharge rate The dryer unload rate as sent to the DM510 by the dryer s unload system 4 Outlet moisture sensor product moisture The moisture of the product leaving the dryer as measured by the moisture sensor 5 Operation mode The operator sets the...

Page 15: ...one receiver icon is displayed upon successful connection Optional item 12 Print icon The printer icon is displayed when a printing task has been initiated This icon is displayed while the DM510 prepares the information to be printed and until it is sent to the printer Optional item 13 Calibration in progress icon The calibration in progress icon is displayed when a calibration is started and the ...

Page 16: ...de and Automatic mode Local Mode All items displayed on the Main Operations screen Dryer discharge is controlled from the dryer panel Manual Mode All items displayed on the Main Operations screen Dryer discharge is controlled manually from the DM510 keypad Figure 5 Main Operations Screen Manual Mode Figure 4 Main Operations Screen Local Mode ...

Page 17: ...d Description of the Keys Buttons usage and functions 1 Print Accesses the Print Options menu Permits setting of print functions enables or disables reports and sets the print time Requires optional printer 2 View Accesses the drying history screen 3 Product Accesses the Product Selection menu Permits the selection of the product to be dried Figure 7 DM510 Keypad Figure 6 Main Operations Screen Au...

Page 18: ...the Set point menu Permits the selection of the Moisture Set point and the Discharge Rate set point menu 8 Calibration Accesses the moisture sensor selection menu Permits the entry of manual moisture samples for the purpose of calibrating the DM510 moisture sensors 9 Alarms Accesses the Alarm menu Permits setting changing alarms and limits and to view the alarm summary 10 Bin Accesses the Bin sett...

Page 19: ...D when the high or low moisture limits are exceeded or there is a fault with the sensor A descriptive message explaining the alarm will be displayed on the main screen along with an alarm sound The message and sound can be cleared with the push of the CANCEL key but the status light will remain illuminated until the condition is corrected c Rate Alarm for the dryer s discharge or unload rate The s...

Page 20: ...uminated when the DM510 is controlling the dryer automatically b Ready The Ready status light is illuminated when the DM510 system has gathered sufficient information to be placed into Automatic mode when this status light is lit the operator can select Automatic Mode The supervisor can also select Auto Fast Start When auto fast start is enabled the operator can select Automatic Mode as soon as th...

Page 21: ...s that make use of the fan switch input 4 Shutdown The dryer is OFF The fans discharge conveyor and burners are off The dryer is full moisture displayed by the inlet moisture sensor This feature is only available on systems that make use of the fan switch input 5 Preheat The dryer fans are on burners are on the discharge conveyor is off The dryer is full moisture displayed by the inlet moisture se...

Page 22: ...Manual mode you operate the dryer discharge rate from the DM510 In Manual mode you can conveniently change the dryer discharge rate directly from the DM510 panel using the Setpoint key You will typically use Manual mode at start up while the DM510 is learning or while you are drying short runs once the Ready status light is illuminated you can switch to Automatic mode Auto Automatic mode is where ...

Page 23: ...ing the new target value Selecting 3 Request Local control at Dryer will return to the Main operations screen switch to manual operation at the dryer panel and extinguish the Remote Status light Choosing a Moisture Setpoint The DM510 does two things based on the target moisture setpoint that you provide First it observes the discharge moisture in relation to the target to create an image of the dr...

Page 24: ...htly different reading This is called equipment error and it occurs because most bench top testers have a 0 2 error range The DM510 moisture sensors have a similar error of 0 2 so it is possible for the two sensors to read as much as a 0 4 difference and still both be acceptable If you now take the second moisture sample and put it into the bench top tester you will most likely get another reading...

Page 25: ... The DM510 will track the entries and make adjustments as needed regardless of the operating mode The Dryer Master Support Center can use the information to track the performance of the sensor A good way of seeing if the DM510 is in calibration is to keep a list of calibration pairs Use two columns in which the first column is the bench top reading and the second column is the DM510 reading from t...

Page 26: ...situation a critical alarm will be reached This will return the DM510 to Manual or Local mode either immediately or after some time The action is dependent on the nature of the situation Important The DM510 Dryer Master does not try to correct for all situations capable of activating an alarm Some Dryer Master alarms are for drying environment information only Operator intervention is often requir...

Page 27: ... discharge rate alarm For the discharge rate the alarms displayed in the alarm area are the warning alarms only The critical alarm limits are displayed and set in the Supervisor Setup Settings key These alarms will limit the minimum and maximum speeds the DM510 can run your dryer discharge either in automatic or in manual You should set these limits based on your experience with the dryer the limi...

Page 28: ...ned on The start up sequence of the DM510 takes 1 to 2 minutes At this time the DM510 CPU tests various components and loads the DM510 Dryer Master system software The alarm may sound momentarily the alarm and mode status lights will sequence The main screen will go blank followed by the appearance Dryer Master logo then possibly a continuous alarm and the Main Operations Screen With the dryer not...

Page 29: ... hours there is usually sufficient data for the Dryer Master to recommend a discharge rate When the Dryer Master recommended rate is similar to that being run the system is ready to be put into automatic mode It will also be of benefit if the throughput of the Dryer is verified by running product into a holding bin for a period of time This will permit the verification of the dryer manufacturer s ...

Page 30: ...the rate can be changed via the Set point key menu 5 Automatic can be selected when the Ready Status light is illuminated To select Automatic press the Mode key and select Request Automatic mode The Automatic Mode moisture set point selection screen appears Press Cancel to accept the displayed moisture set point and return to the Main Operations Screen or type a new value followed by the Enter key...

Page 31: ...rm messages by pressing the Cancel key There may be several alarms if the dryer is not running 6 If this is the first season for your DM510 Dryer Master contact the Dryer Master Support Centre and tell them that you are ready to dry for the season The Support Centre will help you verify that your equipment is in full working order Shutdown Check List 1 Turn the DM510 off using the power switch on ...

Page 32: ...Manual control at the DM510 Automatic DM510 sets the discharge rate and Local Manual control at the Dryer Panel Press Cancel at any time to return to the Main Operations Screen Note DM510 systems with Auto Fast Start enabled can be switched to Automatic mode as soon as the DM510 determines the dryer is running Should the DM510 select an inappropriate speed return the system to Manual mode and wait...

Page 33: ...ll display The LED Remote lamp will illuminate Press Cancel to accept the displayed value and return to the Main Operations Screen Or Enter a new rate press Enter to accept the new value and return to the Main Operations Screen The DM510 Dryer Master is now setting the discharge rate at the selected value To change the rate you can either repeat the steps or press the Set point key to display the ...

Page 34: ...ed value and return to the Main Operations Screen Or Enter a new rate press Enter to accept the new value and return to the Main Operations Screen Selecting Auto while the DM510 is not ready for Auto will display the Not Ready for Auto screen It is also indicated by the Ready Status light which will not be illuminated The screen will display the reason why the DM510 is not ready for automatic Pres...

Page 35: ...reen Press the Cancel key exit Local discharge rate control at the Dryer Panel Press the Mode key to display the Select Control Mode menu Press 3 to Request Local mode Or Press the arrow keys to highlight the selection followed by the Enter key to return to the Main Operations Screen and return discharge rate control to the Dryer Panel Note DM510 systems with Auto Fast Start enabled can be switche...

Page 36: ...ntrol at the DM510 The Moisture Set point can be changed in any operation mode It will however not affect operation unless the system is in Automatic DM510 set the discharge rate Set Discharge Rate Press the Setpoint key to display the Select Setpoint menu Press 1 to select Discharge Rate Or Press the arrow keys to highlight the selection followed by the Enter key Figure 19 Select setpoint menu di...

Page 37: ... to accept the new value and return to the Main Operations Screen The Not in Manual Mode screen will display when attempting to set change the discharge rate while in either Local or Automatic mode Press Cancel to return to the Main Operations Screen Or Press the Mode key to display the Select Control Mode menu Figure 20 Discharge rate entry screen Figure 21 Discharge rate entry Not in Manual Mode...

Page 38: ...s to highlight the selection followed by the Enter key The Moisture Setpoint entry screen will display Press Cancel to accept the displayed value and return to the Main Operations Screen Or Enter a new moisture setpoint press Enter to accept the new value and return to the Main Operations Screen Figure 22 Select setpoint menu Moisture Setpoint Figure 23 Moisture Setpoint entry screen ...

Page 39: ...p manual tester for entry into the DM510 The inlet calibration is not as critical and it is nearly impossible to gather a sample at the location of the inlet sensor Inlet calibration involves estimating the moisture at the sensor The inlet sample is gathered at ground level prior to elevating into the dryer The calibration sequence is started from the DM510 calibrate menu after sufficient time has...

Page 40: ...ge moisture the DM510 observed over the 30 seconds of time the calibration button flashed Enter the Bench top test result press the Enter key to accept and return to the Main Operations Display Pressing the Cancel button will cancel the calibration in progress and return to the Main Operations Display Enter the complete reading you obtained manually with the decimal point for example if the readin...

Page 41: ...ensor Calibration Press the Calibrate key to display the Select Sensor menu Press the arrow keys to highlight Inlet Press the Enter key to display the Inlet Calibration start menu Press the Enter key to start the calibration and return to the Main Operations Screen The calibration in progress Icon will appear on the Main Operations Screen Figure 29 Select Sensor Menu No Samples Waiting Figure 30 I...

Page 42: ...ding is the average moisture the DM510 observed over the 30 seconds sample period Enter the Bench top test result Press the Enter key to accept and return to the Main Operations Display Pressing the Cancel button will cancel the calibration in progress and return to the Main Operations Display Enter the complete reading you obtained manually with the decimal point for example if the reading was 23...

Page 43: ...Page 42 Dryer Master DM510 Operations Manual Alarms key Figure 33 Alarm key Hierarchy ...

Page 44: ...Screen and for some conditions the alarm light will illuminate To clear the alarms press any key Both the DM510 alarm beeper and the message will clear The alarm light will remain illuminated until conditions return to normal In the event the DM510 is not on Main Operations Display while an alarm is occurring complete the task at hand and return to the Main operation Screen to view the alarm messa...

Page 45: ...ed Press 1 to select Inlet Moisture Or Press the arrow keys to highlight the selection followed by the Enter key The Inlet Moisture Alarms selection menu will display Press the Cancel key to return to the Main Operations Screen Press the arrow keys to highlight the selection Type in a new value followed by the Enter key Press the Cancel key to return to the previous menu Figure 35 Alarm Limits Men...

Page 46: ... Alarms menu Press 2 to select View Alarm Summary Or Press the arrow keys to highlight the selection followed by the Enter key The Alarm summary screen will display Press the arrow keys to scroll through the alarms The Screen will scroll one page at a time Press either the Enter or the Cancel key to return to the Main Operations Screen Figure 37 Select Alarms Menu View Alarm Summary Figure 38 Alar...

Page 47: ...re for tracking the product exiting the dryer The DM510 can track the average moisture and approximate quantity of product placed into the bins The information can be printed to provide a hard copy record approximating the average moisture and quantity of product in the bin Requires optional printer Figure 39 Bin key Hierarchy ...

Page 48: ...ss the Enter key to return to the Main Operations Screen and print a report The DM510 will take a few minutes to compile the information and print the report Or Press the Cancel key to clear the information for the Bin number shown Switching Bins No report to be printed at this time The Bin that the current dried product is being sent to for some reason other than being full is switched to another...

Page 49: ...Bin Select screen Note once selected either the default or newly selected bin information is printed There is no option to exit without printing Press the Cancel key to exit and return to the Main Operations Screen Press the Cancel key to return to the Main Operations Screen The displayed bin numbers report will print shortly Enter a new bin number and Press the Enter key to accept the new Bin and...

Page 50: ...Page 49 Dryer Master DM510 Operations Manual Bin Summary Report The bin report is the DM510 s accumulated drying statistics for the selected bin Figure 46 Bin Summary report report items description ...

Page 51: ... and is ON The printer data connector is labeled Printer and is located on the lower panel of the DM510 Use only the supplied data cable to connect the DM510 to the printer Plug the printer into a power outlet and turn it on For additional information regarding the printer such as loading paper please refer to the documentation provided with the printer You can also call the Support Centre for ass...

Page 52: ... the number key to select the item to configure Or Press the arrow keys to highlight the selection followed by the Enter key Note Once History printing has been selected it cannot be cancelled Ensure the printer is on and has paper before printing history Print Options Use keys to highlight your choice then press ENTER Or press the number Press CANCEL to exit 1 Print History 2 Configure Print Repo...

Page 53: ...election followed by the Enter key to accept the selection and return to the previous menu Press the Cancel key to return to the previous menu without changes The averages report is the typical printing choice It provides the user a summary of the operation every printing period Note Enabling any printing option without the printer installed may eventually result in the Control software exiting En...

Page 54: ...followed by the letter W indicates a warning alarm occurred during the reporting period A value immediately followed by the letter C indicates a critical alarm occurred during the reporting period Figure 53 Averages Report example printout Time In SP Out Rate Drying Mode 5 00 32 1W 15 5 15 5 95 4C 180 Local 5 10 29 3W 15 5 15 5 95 4C 180 Manual 5 20 22 6 15 5 15 5 66 4 180 Manual 5 30 24 2 15 5 15...

Page 55: ...o the previous menu Press the number keys to select desired Hourly report print time Or Press the arrow keys to highlight the selection followed by the Enter key to accept the selection and return to the previous menu Press the Cancel key to return to the previous menu without changes Hourly Summary Use keys to highlight your choice then press ENTER Press CANCEL to exit Status Interval On Print Re...

Page 56: ...nt time Inlet Moisture Average inlet moisture Outlet Moisture Average Outlet moisture Moisture Target Average moisture setpoint Discharge Rate Average Dryer discharge or unload rate Drying Temperature Average Drying temperature Inlet Temperature Average Incoming Product temperature Outlet Temperature Average Outlet Product temperature Figure 56 Hourly Summary Report example printout ...

Page 57: ...t example printout Daily Summary Use keys to highlight your choice Enter a new value then press ENTER Press CANCEL to exit Status Daily Summary Print Time On Hour 0 23 Minute 0 59 0 18 Figure 57 Configure Daily Summary report Daily Averages Thursday July 6 2000 Dryer Running Time 24H 0M Inlet Temperature 68 0 5 of Target 85 1 0 of Target 98 Outlet Moisture 15 4 Inlet Moisture 25 6 Moisture Removal...

Page 58: ... for the page is displayed below the data table The information includes Time Time record was created In Inlet Moisture Out Outlet Moisture SP Moisture Setpoint Rate Dryer discharge or unload rate Mode DM510 Operation mode The W and C displayed next to the values are warning or critical alarms that occurred during that history record View the alarms summary for detailed information about alarms Us...

Page 59: ...by the Enter key to accept the selection and return to the Main Operations Screen Press Cancel to exit and return to the Main Operations Screen The Main Operations screen will display the product Name and Icon in the lower right corner Corn Beans Wheat PRODUCT CHANGE PRODUCT WHEAT BEANS CORN Figure 61 Product Selection Key Hierarchy Figure 63 Product Icons Select Product Use keys to highlight your...

Page 60: ...the selection followed by the Enter key Press Cancel to return to the Main Operations Screen Diagnostics See Select Diagnostics to display the Diagnostics screens Control Overview See Select Control Overview to display the Control Overview screens Figure 65 Support System Help menu System Help Use keys to highlight your choice then press ENTER Or press the number Press CANCEL to exit 1 Diagnostics...

Page 61: ...ty voltage Greater than 9 50 Vdc is either extremely wet or damaged sensor Outlet sensor 2 Temperature Only present on systems with 2 outlet sensors Temperature as read by Outlet sensor 2 temperature probe Discharge Rate Input Calibrated rate Same as on main screen Discharge Rate Output Signal Dryer Master sends to dryer to run at the requested speed Should be equal to Discharge Rate Input Calcula...

Page 62: ...ally not used Dryer Fan Status Toggles to 1 if installed Normally not used Dryer Discharge Toggles to 1 if control Manual or Automatic is at Dryer Master Dryer Burner Status Virtual state Dryer temperature is above burner off temperature setting in Supervisor setup control limits Dryer Full Status Virtual state Generated when product is present at inlet moisture sensor Mode Select Virtual state 0 ...

Page 63: ... actual moisture Maximum allowed difference for ready function to be initiated Target Difference Calculated difference between the target or setpoint and the actual moisture Maximum allowed difference for ready function to be initiated Dryer Time in Minutes Calculated time in the dryer This value is derived from the discharge rate and the dryer volumes and throughput If this number is wrong correc...

Page 64: ...ress the number key to select the item Or Press the arrow keys to highlight the selection followed by the Enter key Press Cancel to return to the Main Operations Screen Note Item 1 is the Supervisor setup This Item is password protected to deter the casual user from inadvertently making changes Item 3 and 4 is available to the casual user Refer to the Commissioning Manual for information on item 2...

Page 65: ...ended to keep some critical operations settings from being accidentally changed by the casual user The password is 123 and is needed by the operator or supervisor to set and adjust operating limits Supervisor Password Enter the password then press ENTER Press CANCEL to exit Figure 72 Settings Supervisor Password entry screen Supervisor Setup Use keys to highlight your choice then press ENTER Or pr...

Page 66: ...o that the DM510 does not obtain an OFF indication Burner Off Temperature The DM510 Dryer Master uses this value along with discharge or unload rate to determine the dryer state Set this to a value greater than the maximum expected ambient temperature but less than the minimum drying temperature Control will be severely compromised if this value is set so that the DM510 does not obtain an OFF indi...

Page 67: ...gger is either the Burner Off Temperature value or a wired connection Set Rate to minimum when the inlet has been empty for 25 minutes IMPORTANT This feature when enabled YES displayed and the Remote light illuminated will reduce the dryer discharge rate to the minimum value previously entered in the Control Limits menu Min Discharge rate in Auto value Set Rate to minimum when the Dryer Fan shuts ...

Page 68: ...procedure also has an impact on this and other values when calibrations are performed Before adjusting this value cancel any calibration in progress and note the displayed bias value Example Inlet calibration adjustment DM510 Inlet reading 26 5 Manual test 21 The DM510 needs to read 5 5 lower 26 5 21 5 5 Reduce the Inlet calibration bias offset value by 5 5 8 5 5 3 5 Outlet adjustments are similar...

Page 69: ... discharges 4500 Bushels in 1 hr 37minutes at a discharge rate of 80 then the conversion factor is 34 7925 1 1 hr 37 minutes 60 37 97 minutes 2 Bushels minutes 4500 97 46 39 3 Bushels hour 46 39 60 2783 4 4 Bushels hour rate 2783 4 80 34 7925 The value to be entered as the Rate to Bushels Hr Conversion factor is 34 7925 The Accuracy of the value depends on the accuracy of the measurements This is ...

Page 70: ...shutdown of all the system software much like the shutdown of a personal computer The system will display the Dryer Master Logo and exit all software It is safe to turn off the power when the Dryer Master Logo is displayed To restart turn the system off wait 5 seconds turn the system ON Note Changing from Fahrenheit to Celsius or vice versa will also convert all the temperature alarm settings and ...

Page 71: ...duct Information Figure 78 Settings Set Date Time screen Figure 79 Set Date Time Use keys to highlight your choice Enter a new value then press ENTER Press CANCEL to exit Time is Date is mm dd yy HH MM 9 22 01 14 7 Dryer Master Inlet Sensor Signal Dryer Master Inc Kitchener Ontario Canada Fax 519 885 4300 www dryermaster com System Type Dryer Master Model DM510 Telephone 519 725 4700 Version yyyyd...

Page 72: ...Page 71 Dryer Master DM510 Operations Manual Figure 80 Product Information screen ...

Page 73: ...cate the login and password information contact the Dryer Master Support Center The first time you log in we suggest you go to the preferences section to fill in your basic information This is also where you can configure notify on alarm functionality The DM Mobile Main Operations Screen displays similar information to the DM510 screen With DM Mobile you can change modes and setpoints directly fro...

Page 74: ...hat used when the dryer was shut down Consider the drying conditions are they similar When you start up the dryer remember the grain in the dryer may be over dried The idea is to pick a good speed for the grain coming into the dryer Drying Air Temperature Air Plenum Temperature APT Maintain a constant drying air temperature If an adjustment is required make the adjustment in one step Then wait one...

Page 75: ...es Most meter manufacturers specify that the meter should be checked annually by a qualified service person These checks will ensure that the meter is accurate Also ensure the DM510 sensors are clean and grain is flowing properly into the sensor Sampling Techniques Follow these practices to ensure a good sample is obtained for sensor calibration Ensure the sample used in the manual reading is a go...

Page 76: ...ers are regularly serviced An unserviceable thermostat or poorly adjusted burner control system will not keep the heat at a constant temperature A dirty burner or a burner control problem may prevent the burner from reaching its maximum designed output or prevent it from maintaining a consistent gas pressure Product Quality Varying product quality can have an effect on Dryer and DM510 performance ...

Page 77: ...ber in the PEM column is the predicted exit moisture and of course no alarms can be on Note even if the DM Ready light goes on you should always check that the suggested rate on the screen is reasonable before going into Automatic Why does the DM speed up slow down when I go to auto Often when you first start up for the day the first grain that comes out of the dryer can be over dried after having...

Page 78: ...0 1000 and 50 for the four entries If you see those values most likely the DM has not yet been set up for this product The moisture is above target and yet the DM wants to speed up or the reverse By the time the grain is coming out of the dryer it is too late to make a speed adjustment to change this moisture Instead the DM is focused on what is in the dryer what is coming into the dryer and any c...

Page 79: ...heck the Burner off temperature This should be set about 30F below the low temperature you would dry at So if you normally dry at 180F set it at 150F It must also always be above ambient temperature and well above the plenum temperature after the cool down cycle Appendix 3 Troubleshooting Moisture Sensors The inlet sensor is reading 1 too high Should I calibrate No As long as the inlet reading is ...

Page 80: ...typically happens when the temperature sensor on the moisture sensor fails although it can also happen if the outside temperature is below 30 Contact the Dryer Master Support Center The inlet sensor is reading 45 This can be due to surface moisture on the sensor and this can happen when you first start up in the morning and there has been condensation on the sensor This should resolve itself once ...

Page 81: ...nd you have connected in the past try the following 1 Unplug the power cord from the bottom of the small green board see purple circle in picture Wait five seconds and then plug back in Wait about a minute and the 2 lights should start to flash 2 If the lights do not start to flash the next step is to reboot your router or your wireless access point 3 If this doesn t correct the issue next try reb...

Page 82: ...Support Center a call I can t find the DM mobile web page Make sure you are entering my dryermaster com into your browser address bar Do not use www in the address I am not getting texts on alarms On the preferences page make sure that the phone number you entered is in the required format It should be entered as 1 area code number eg 15551212 It is a long distance text from our server so the and ...

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