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PCE Americas Inc.

711 Commerce Way

Suite 8

Jupiter

FL-33458

USA

From outside US: +1

Tel: (561) 320-9162

Fax: (561) 320-9176

[email protected]

www.pce-instruments.com/english

www.pce-instruments.com

PCE Instruments UK Ltd.

Unit 1

Southpoint Business Park

Ensign way

Hampshire / Southampton

United Kingdom, SO31 4RF

From outside UK: +44

Tel: (0) 2380 98703 0

Fax: (0) 2380 98703 9

[email protected]

Grain Moisture Analyzer

PCE-A-315

INSTRUCTION MANUAL

Содержание PCE-A-315

Страница 1: ...ce americas com www pce instruments com english www pce instruments com PCE Instruments UK Ltd Unit 11 Southpoint Business Park Ensign way Hampshire Southampton United Kingdom SO31 4RF From outside UK...

Страница 2: ...E OF OPERATION 7 4 WORKING WITH CONTROL PANEL 8 4 1 CONNECTIONS 8 4 2 SELECTING PRODUCT AND PERFORMING MOISTURE MEASUREMENTS 10 4 3 TREND VIEW 13 4 4 ENTERING CORRECTIONS AND PARAMETERS 15 4 5 VIEWING...

Страница 3: ...mage to the device When installing always refer to relevant safety regulations Before carrying out any welding work near the device make sure that the device is disconnected from the power supply Do n...

Страница 4: ...millet sorghum rice Oil crops rape sunflower jojoba Leguminous crops peas lupine soybean Other seaweed coffee The system of online moisture content measurement consists of two 315 mi crowave moisture...

Страница 5: ...scaling settings of two moisture content current loop outputs for use in automation systems storing correction coefficients for meas ured moisture content of every product time averaging of measureme...

Страница 6: ...measurement error 18 40 1 max Product temperature 5 55 Ambient temperature 0 55 IP rating IP65 Communication protocol RS 485 Cable length between sensor and control panel up to 100 m Analog output 4 2...

Страница 7: ...resonator Temperature sensors in meas uring channel allow automatic correction of measured value of moisture content from the grain temperature Electronics of the sensor consists of two units UHF mod...

Страница 8: ...tallation on the grain dryer 7 terminal junction box should be mounted at the distance of up to 3 m from a sensor and sensor cable should be connected to it Communication lines 4 twisted pairs of the...

Страница 9: ...Working with control panel 9 29 fig 4 Control panel screen after system startup...

Страница 10: ...h the selected product Select mode and fill the measurement channels of the sensors with grain Green indicators will turn white and measured value of moisture content for each sensor will be shown on...

Страница 11: ...rol system fig 8 It allows obtaining an average mois ture value for the same product based on the results of several single measurements After selection of the product press button to switch to Labora...

Страница 12: ...s products and more than 13 for oilseeds be cause wide dispersion of moisture and density of samples is usually observed For example in order to obtain correct measurement results for wet corn the num...

Страница 13: ...trend The blue line shows the instantaneous current value of moisture the red line shows the time averaged value By pressing the buttons and you can turn on and off the current and average value tren...

Страница 14: ...imit value and enter a new value using numeric keypad The limit can be changed in increments of 5 fig 13 Press button on the numeric keypad to complete the operation Similarly you can change the lower...

Страница 15: ...s symbol on the display to see keypad for entering pass word fig 14 Enter 315 as the password using the keyboard and press but ton Settings menu is shown in fig 15 fig 14 Password screen fig 15 Settin...

Страница 16: ...p output is adjusted by setting moisture values for minimum and maximum currents Fig 17 shows that 4 20 mA mode is selected the minimum cur rent value 4 mA corresponds to 4 moisture content and the ma...

Страница 17: ...is selected automatically by the sensor depending on grain moisture content and temperature Selected method is indicated with number 1 or 2 in Moisture line Both algorithms allow to apply correction...

Страница 18: ...ent products with bulk densities test weight as per Table 1 Table 1 PRODUCT Bulk density test weight kg l Lb bu Rape 0 646 50 19 Barley 0 702 52 54 Wheat 0 789 61 32 Oats 0 560 43 51 Corn 0 726 56 40...

Страница 19: ...ue is 0 01 0 02 Moisture correction shall be performed only when measurement channel of the sensor is filled with grain to know which correction shall be entered 1 Offset or 2 BDC is more preferable b...

Страница 20: ...access service functions menu fig 24 press button The left area of the screen displays the table of target moisture levels for drying process for each product The signal is sent to operator when the...

Страница 21: ...mpling speed of 1 sample per second this equals to 1 200 seconds Specific value of averaging parameter is chosen experimentally with regard to drying dynamics To set window size refer to Averaging lin...

Страница 22: ...ction of sensor or can be performed not only in mode but in mode fig 4 as well Pressing the letter corresponding to the sensor ad dress in mode will turn the sensor off fig 26 Moisture and temperature...

Страница 23: ...n History mode is the same as in Trends mode see section 4 3 To view history data for the different day press and The date corresponding to displayed information is shown the upper left corner of the...

Страница 24: ...n Password window and keyboard will appear fig 28 Input 111111 six times one as the password Press Time Date button to enter time and date settings mode and set correct time and date with buttons and...

Страница 25: ...rying column and sensor measurement channel is fill ing as well and the sensor begins to measure moisture content of the product When the grain level falls below the sensor level the measurement chann...

Страница 26: ...om the unloading conveyor passes through DN60 60 mm pipe to the measurement channel Spiral screw with the same diameter DN60 is mounted below the sensor The screw is driven be electric motor reducer r...

Страница 27: ...nd reliability of connecting leads fig 32 Communication error message Problem Error 7 message on the screen fig 33 Solution repeat selection of product in mode fig 33 Error 7 message Problem one or bo...

Страница 28: ...act the manufacturer representatives or lo cal dealer After the end of drying season it is recommended to dismount moisture sensors from the grain dryer and store them in dry heated space Moisture sen...

Страница 29: ...Dimensional drawing 29 29 7 Dimensional drawing...

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