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Process Sensors MCT 300, Инструкция по установке и эксплуатации

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7.4.1  Analog Output Channels 

 

The MCT has three analog output channels providing both milliamps and voltage 
signals. These channels may be designated to the constituent using an RS 232 
command. The default designations are as follows: 

 

Single Constituent Mode 

 

# 

 Format  Constituent 

# 

    

 

 

 

Analog 1  

Isolated 

 

1 

 

 

 

Analog 

2 

Isolated  1    

 
 

Dual Constituent Mode 

 

# 

 Format  Constituent 

# 

    

 

 

 

Analog 1 

Isolated 

 

1 

 

Analog 2 

Isolated 

 

2 

 

Analog 3 

Isolated 

 

Selectable for 1 or 2 

 
 

Triple Constituent Mode 

 

# 

 Format  Constituent 

# 

    

 

 

 

Analog 1 

Isolated 

 

1 

 

Analog 2 

Isolated 

 

2 

 

Analog 3 

Isolated 

 

3 

 
 
 

Refer to the User Terminal Drawing located in Section 11.0 for the location of the 
terminals for the analog signals. 

 

 

                                                                                                                                                                    

 
 
 

  18 

 

7.5 Calibration Routine 

 

Содержание MCT 300

Страница 1: ...901 Fax 508 473 0715 info processsensors com Europe Process Sensors Europe Adelaide House Unit 3 Corbygate Business Park Corby Northants NN17 5JG UK Tel 44 015 36408066 Fax 44 015 36407813 infouk proc...

Страница 2: ...utput Channels 7 5 Calibration Routine 7 6 Diagnostics 7 7 Miscellaneous 8 0 Gauge Calibration 8 1 Approximate Calibration 8 2 Multi Sample Calibration 8 3 On Line Off Set Trim Adjustments 8 4 Linear...

Страница 3: ...warranty for merchant ability or fitness for a particular purpose Unless otherwise agreed in writing by the Corporation repairs and replacement parts provided by the Corporation under its warranty sh...

Страница 4: ...ased algorithms to compute raw measurements of the measured constituents These raw values are then scaled by offset zero and sensitivity span factors to provide direct readings of the constituents Com...

Страница 5: ...Strong infrared light or direct sunlight should not be allowed to fall on the sensor window or erroneous reading may occur 4 4 Temperature The sensor is designed to give satisfactory measurements wit...

Страница 6: ...e transmitted light from the product Powdered and granular products cause no problems and the sensor light beam may be mounted at any angle to the top surface of the product The closer the beam is to...

Страница 7: ...given in Section 11 0 5 3 Displays and Operator Interfaces The MCT may be set up by using several operator interface and display modules Wall Mountable This display interface is designed to be permane...

Страница 8: ...y It may be mounted up to 100 feet from the sensor and obtains both power and communications from the sensor 6 2 Initial Power Up After installation and cable connection is complete turn the power on...

Страница 9: ...Wall Mount Operator Interface 6...

Страница 10: ...e cursor in the desired place for setting numerical values PRODUCT CODE Selects the desired Product Calibration Code ENTER Confirms changes and commits them to permanent memory HAND Computes an averag...

Страница 11: ...Operator Interface Panel 2X 8...

Страница 12: ...e keypad on the front of the operator interface allows selection of the menu items The lower half of the display changes as the user moves through the menu choices 7 1 1 Keypad Lock The complete keypa...

Страница 13: ...y selecting the desired constituent using the Display Rotate key When in the dual or triple Home Screens access to the menus is denied and only the Display Rotate Enter and Prod Code key are active Di...

Страница 14: ...lower level in the menus e g When the display is on Constituent 1 Prod Code 1 zero setting pressing the Display Rotate will switch the display to Constituent 2 Prod Code 1 zero setting 7 1 3 Prod Code...

Страница 15: ...compute an average of the sensors reading between TWO pushes of the key To use this feature the display must be in a single constituent mode Moisture 3 6 01 Prod Prod A 01 Press Display Rotate to disp...

Страница 16: ...on Pressing the DOWN UP arrow key will scroll the display through the menu selections Pressing the RIGHT arrow will allow entry to the selected menu Pressing the LEFT arrow ONCE will get back to the m...

Страница 17: ...re 12 89 Password 0000 Moisture 12 89 CAL PARAMETERS Moisture 12 89 CAL ROUTINE Displays Calibration Parameters Moisture 12 89 Password 0000 Enters Cal Develop Moisture 12 89 First Diagnostic Value Mo...

Страница 18: ...igits use the UP DOWN keys to set the desired value Press ENTER to confirm the selection From the Damping display press the DOWN arrow to access the Sample Value Trim screen This screen allows the sen...

Страница 19: ...12 89 ZERO 43 75 Moisture 12 89 ZERO 45 78 Moisture 12 89 SPAN 14 56 Moisture 12 89 SPAN 18 78 Prod Code Selection To view and adjust the settings stored in each of the 9 calibration channels move th...

Страница 20: ...ing Repeat as per previous parameters Move Down to access Analog 2 settings repeat as above Analog Out 2 Settings Press DOWN to access Analog Out 2 then down again to access Analog Out 3 Repeat as per...

Страница 21: ...nstituent Mode Format Constituent Analog 1 Isolated 1 Analog 2 Isolated 1 Dual Constituent Mode Format Constituent Analog 1 Isolated 1 Analog 2 Isolated 2 Analog 3 Isolated Selectable for 1 or 2 Tripl...

Страница 22: ...ample Moisture 12 89 CAL ROUTINE Move DOWN to CAL Routine then move right to enter the menu Moisture 12 89 PASSWORD 0000 Moisture 12 89 PASSWORD 1234 Password Move cursor under digits move up down to...

Страница 23: ...lue Press Enter to save this value Move the cursor under the digits and set the value Press Enter to save Moisture 12 89 Lab Val 01 2 56 Move DOWN to enter the corresponding MCT value Press Enter to s...

Страница 24: ...oftware will calculate the correct calibration settings for the data entered Move down from the zero screen to view the Span value Moisture 12 89 New Zero 23 56 Moisture 5 1 01 New Span 15 00 Moisture...

Страница 25: ...OSTICS and then move right to enter the menu The Diagnostics m Moisture 12 89 DIAGNOSTICS The Diagnostics Menu allows the user to view the status of various internal set up parameters voltages and sig...

Страница 26: ...15 3v This is the value of the 15 volt power supply Moisture 12 89 F1 F6 Ext Int 2 75 These screens will display the live values of the 6 filter values for both external and internal light beams Moist...

Страница 27: ...face Parameter Nominal Value Min Value Max Value Warning Message Internal Filters 3 0 8 0 1 0 9 9 High low Signals External Filters 3 0 8 0 1 0 9 9 High Low signals 5 VDC 5 00 4 5 5 5 VCC Fault 15 VDC...

Страница 28: ...000 Moisture 12 89 OF DIGITS 1 Moisture 12 89 Inst ID 1 Moisture 12 89 Ser No 1009 Number of Digits after the decimal point Using the Right arrow move the cursor under the digit and press up down to s...

Страница 29: ...he digit and scroll up down to set a new number If the password is not known or forgotten consult Process Sensors for a special number to gain access to Miscellaneous Enter this special password and t...

Страница 30: ...alid settings for both zero and span Make or collect from the process two samples with moisture contents close to the lower and upper values expected to occur in the manufacturing process Present the...

Страница 31: ...turn noting the sensor reading for each sample Tabulate the results as follows Sensor True Value 3 7 3 7 4 5 5 2 7 6 8 3 9 5 10 3 8 2 8 9 Using the operator display module refer to Section7 5 Select t...

Страница 32: ...ow well the sensor readings match the True values 1 0 is perfect Greater than 0 9 is acceptable Less than 0 9 is not acceptable Standard Error This is a gauge of the accuracy of the calibration A perf...

Страница 33: ...s or along a conveyor Samples should only be taken from the surface of the product rather than by digging down to the bottom of the conveyor This eliminates variations down through the bed of product...

Страница 34: ...sensor s output data in the correct format for the network into which it is operating Refer to the instructions provided with each option module for installation and output formats 9 4 Cooling Panels...

Страница 35: ...d with a Powder Sampler that allows the sensor to make measurements on free falling materials inside enclosed ducts Refer to Appendix II for complete details of the hardware and software needed for th...

Страница 36: ...output signals will be frozen for the time the hold input is active 10 1 Serial Communications The Sensor provides a choice of serial output formats RS232 and RS485 RS232 is suitable for a single sens...

Страница 37: ...OUT 485 B OUT FIRST SENSOR SENSOR n TO LAST SENSOR TD A TD B 12V GND RS485 CONVERTER AT HOST PC GND GND ALL 3 JUMPERS MUST BE PLACED ON LAST SENSOR IF HOST PC DOES NOT HAVE PULLUPS OR PULLDOWNS LINK2...

Страница 38: ...Example of connecting a B B RS485 Converter to the MCT300 OI connector 35...

Страница 39: ...ral Gnd Symbol Ground ANALOG Connector 4 20mA outputs Standard configuration Terminal Signal Constituent 1 Gnd 1 2 4 20 mA 1 3 Gnd 2 1 if sensor is in single mode 4 4 20 mA 2 1 if sensor is in single...

Страница 40: ...nal Signal 1 RS485 A 2 RS485 B 3 RS232 Tx 4 RS232 Rx 5 Digital Gnd 6 Hold Input Note When sensors are fitted with network interface cards this Digital connector may be wired to meet the network format...

Страница 41: ...Rear of Sensor 38...

Страница 42: ...log Digital Connector Use the end of the Dust Cover to un screw the Retaining Ring in order to remove the 6 pin connector The Flat part of the connect fits into the Housing mating with a similar Flat...

Страница 43: ...or paper towel and glass cleaner fluid to remove dirt from the window DO NOT USE AN ABRASIVE CLEANER TO CLEAN THE WINDOW The window may be cleaned with the air purge shroud in place or the shroud may...

Страница 44: ...er VP Fault High Low 15v power Measure 15v with multimeter SPI Fault No communication to OI Check cable to OI Dirty Window Window contamination Clean the window High Temp Internal Temp 65 Fit Cooling...

Страница 45: ...the lamp glass with bare fingers 11 Re fit the retaining screws 12 Re connect the lamp to the power supply 13 Re connect the power supply harness and the power supply assembly to the main board 14 Re...

Страница 46: ...etup and calibration parameters be re configured to match the new boards operation with that of the original board Consult PSC for advice on this Detector Replacement This operation does not require t...

Страница 47: ...supply 9 Re connect the power supply harness and the power supply assembly to the main board 10 Re connect the AC cable to the power supply 11 Re install the optical bench in the bottom half of the en...

Страница 48: ...Motor Assembly 200013 Dome Mirror 200010A Sensor OI Cable Connector Assembly 300027A Analog I O Connector Assembly 300028A Digital I O Connector Assembly 300002A Power Connector Assembly 300030 Analog...

Страница 49: ...erator Interface P N Description 210002 Display Module IEE 210040 Interface Board IEE 210008 Cable Connector Assembly 210041 Keypad Board 210021 Display Module Graphic 210023 Graphic Display Interface...

Страница 50: ...assword and press ENTER to save the new number Keypad Lock All the keys on the Operator Interface may be locked to prevent unauthorized users from making any adjustments Holding down the UP arrow and...

Страница 51: ...asured constituents Basic Algorithm C1F1 C2F2 C3F3 C4F4 C5F5 C6F6 K1F1 K2F2 K3F3 K4F4 K5F5 K6F6 The filters on the top of the equation are all reference filters The filters on the bottom of the equati...

Страница 52: ...e filter so F1 0 0 and F6 1 0 Again the coefficients for F2 F5 will depend on the application Oil 25 8 01 C6 1 0 Algorithm Math Treatment The MCT is capable of using two styles of math treatment of th...

Страница 53: ...circuit board installed in the sensor Moisture 3 6 01 Total CLR EEPROM Y N Total CLR EEPROM Selecting Y will set all the values stored in EEPROM to their default values Moisture 3 6 01 Sampler Y N Sa...

Страница 54: ...be switched betweeen English and one of the following languages German French Spanish or Portuguese Moisture 3 6 01 Dry Y N Dry Basis The MCT may be setup to present moisture readings as a of the dry...

Страница 55: ...s Real Time Averaging This is a pipeline average of the readings over a selected time Gated This is an event based average of the sensor readings The event being a contact closure at the sensors hold...

Страница 56: ...a sample cup complete with glass viewing window The sampler s routine is controlled by s software routine in the sensor and an external solenoid valve The routine allows the cup to fill the sensor to...

Страница 57: ...enient location for operator interaction and both the sensor and Operator Interface should be connected to 110V or 220V as designated on the serial tag Connect a three wire cable between the operator...

Страница 58: ...ny items that if changed will influence how the sensor operates Use the down arrow to scroll through the selections until the display shows SAMPLER Y N Press the right arrow to make the cursor flash o...

Страница 59: ...FILL 0020 Repeat as per the Samp Purge Press the down arrow to see the next time SAMP MEAS 0010 Repeat as per Samp Purge Press the down arrow to see the next time SAM DELAY 0002 Repeat as per Samp Pur...

Страница 60: ...e cursor over the Y and press Enter The display will briefly flash SAMPLER ON Cursor down one and the display will read SAMP PURGE 0010 This is the time in seconds that the air purge will be active Mo...

Страница 61: ...ont of the Moisture word in the display to alert users that the sensor is in the DRY mode 3 The Calibration routine is modified to allow dry basis MCT and laboratory values to be used Online Trim Adju...

Страница 62: ...The standards may be used in two ways a As a quick low high check of the sensors reading In this manner it allows users to gain confidence in the stability of the sensor and in the accuracy of the in...

Страница 63: ...bration development routine to calculate the zero span values that make the MCT sensor read the 2 0 and 8 0 values As the Cal Development routine requires 3 data pairs one set of values needs to be en...

Страница 64: ...units may be accessed across a simple single twisted pair cable Normally ID s are A Z and the default ID is 1 Hence when adding more MCT 300 s to an existing and running RS485 system the user will lo...

Страница 65: ...or LOG LOG HOLD Reads HOLD switch input level DTYPE DTYPE n n 0 1 2 Sets DAMP mode DTYPE SERNO Electronics serial number string SERNO CAL CAL n n is selection 1 9 or 50 depending on version CAL CODE C...

Страница 66: ...ms C1 C2 C2 c f ff where c is constituent 0 2 C2 C3 C3 C4 C4 C5 C5 C6 C6 AVG AVG c c 0 returns MOISTURE avg c 1 returns OIL DUAL DUAL 1 for dual constituent DUAL 0 for single constituent DUAL PROD PRO...

Страница 67: ...1 ZERO ZERO n c where n is CAL 1 9 or 50 depending on version c is constituent 0 1 SPAN SPAN n c s ss where n is CAL 1 9 or 50 depending on version c is constituent 0 1 SPAN SPAN n c DAMP DAMP ANHI Fo...

Страница 68: ...prises three elements Proportional also known as Gain Integral also known as Reset Dead Band The algorithm used in the MCT series gauge uses a combination of these three elements Proportional and Inte...

Страница 69: ...0 0 Maximum value is 99 99 CON INT 1 00 sec This is the automatic reset that moves the output whenever there is an error between the process variable and the set point The value is measured in SECOND...

Страница 70: ...red variable is at the set point value ABOVE 5V when the process variable is LESS than the set point BELOW 5V when the process variable is GREATER than the set point Current The current is a 4 20mA si...

Страница 71: ...Appendix VII Outline Drawings 68...

Страница 72: ...to 14 microns Calibration The IRt c and interface card are pre calibrated for the measurement range of 20 120C All infrared based temperature sensors are influenced by the emissivity of the material t...

Страница 73: ...hese limits Using the Operator Interface select the TEMPERATURE menu Select CAL PARAMETERS Select ANALOG HI 2 100 00 Set the number to the temperature value at which 20mA is desired Press ENTER to sav...

Страница 74: ...Low Voltage Directive 73 23 EEC Amending Directive 93 68 EEC In order to achieve this the instrument was tested to the following standards For EMC EN55022 Class B EN61000 3 2 and EN61000 3 3 Generic...

Страница 75: ...ice please contact Process Sensors Corporation s Technical Department Process Sensor Corporation 113 Cedar Street S1 Milford MA 01757 Tel 508 473 9901 Fax 508 473 0715 info processsensors com You can...

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