SWR M-Sens 2 Скачать руководство пользователя

Страница: 26 / 27

12.

Trouble shooting

Warning!

The electrical installation must be checked only by expert personnel.

Problem

Cause

Measure

System out of work

Power supply inter-
rupted

Check the power supply.

Cable break

Check the connecting cables for a possible
break of a cable

Defective fuse

Exchange fuse in the field housing

Defective device

Contact SWR

Measuring system
outputs wrong values

Incorrect calibration

Delete input signal correction, new cali-
bration
according to section 6

Calibration shifted by
Abrasion or caking on
front end of sensor

Delete input signal correction, new cali-
bration

according to section 6

Malfunction of sen-
sor

Sensor not properly
connected

Check cable

Sensor damaged

Replace sensor

No 24 VDC supply on
sensor

Assure right power supply

Voltage drop on the
supply
line too highly

Examine cable lengths on the basis of the
table
in chapter 4.5

Relay flickering

Hysteresis too small

Increase hysteresis, check effects caused
by external devices.

Do not open, otherwise the warranty claims expire!



Содержание M-Sens 2

Страница 1: ...1 ...

Страница 2: ...4 MOUNTING AND INSTALLATION 6 4 1 Scope of delivery 6 4 2 Necessary auxiliaries 6 4 3 Mounting of the sensors 6 4 4 Mounting of the evaluation unit 10 5 ELECTRICAL CONNECTION 11 6 COMMISSIONING 12 7 MENU STRUCTURE 14 8 SYSTEM ADJUSTMENTS IN DETAIL 17 9 WIRING EXAMPLE 25 10 MAINTENANCE 25 11 GUARANTEE 25 12 TROUBLE SHOUTING 26 13 TECHNICAL DATA 27 ...

Страница 3: ...screw hopper 1 to 3 sensors with 1 8 m connecting cable Evaluation unit MME 100 resp MME 300 in a field housing C box for connecting of sensor and evaluation unit The sensor is connected by a shielded 4 wired cable to the evaluation unit the maximal dis tance between these devices can be at most 300 m ...

Страница 4: ...ture can be measured exactly by a constant averaged bulk density The calibration can be done very simply by the operator by pressing the button and entering the referenced moisture contents In this context it is convenient that measured value fluctuations by bulk density variations are balanced by an internal filter function Additionally measured value fluctuations by tempera ture variations are c...

Страница 5: ... marked by the following symbols in the operating instructions Warning This symbol in the operating instructions marks actions which may represent a danger for life and limb of persons when carried out in an inexpert manner Danger All actions which may endanger objects are marked with this symbol in the operating instructions 3 3 Operational safety The measuring system must be installed by trained...

Страница 6: ... sensors M Sens 2 is designed for continuous moisture measurement Most important condition for correct measurement is the right choice of the mounting place of the sensor That is when using chutes or conveyor belts it is very important to have a almost even material height in front of the sensor window The flange is welded without sensor and dummy plate in the opening at determined mounting place ...

Страница 7: ...e the material passes by the sensor window in even intervals and with relatively constant bulk density Installation on a conveyor belt By means of the online moisture measurement of solids on a conveyor belt the operator can react in due time if the material is too humid or too dry In consequence plugging of subse quent aggregates can be prevented ...

Страница 8: ...n the belt has passed through the dryer tunnel it gets withdrawn from the hot air zone At the end of the belt the dried material falls in a screw conveyor which transports it to the processing The operator queries the following points Has the material reached really the desired residual moisture value That is has he chosen the right cycle time and temperature M Sens 2 provides accurate and reliabl...

Страница 9: ...uring values logging is done by within the moving material during the mixer procedure With the measured moisture value of the material in the dryer process parameters like deten tion time and dosage quantity can be controlled For this purpose M Sens 2 is connected to a PLC or another process control system ...

Страница 10: ...maximum distance of 300m from the sensor The housing is prepared for wall mounting Fig 10 Field housing for the evaluation unit Fig 11 Field housing for the C box The C box contains fuses and resistances in order to guarantee the communication by the Mod bus between sensor and evaluation unit ...

Страница 11: ...11 5 Electrical connection Supply voltage according to the version Fig 12 Electrical connection of the evaluation unit Fig 13 Electrical connection of the C box ...

Страница 12: ...Entering the menu takes place by pushing 5 sec the in visible key lower right corner of the touch screen panel Basic function For the measurement and display of the moisture in there 2 3 moisture measurement executed with known and different moisture values After having entered the according moisture values by the panel the system calcu lates the moisture in on the basis of those measurement value...

Страница 13: ...re are devia tions the non existent linearity can be corrected levelled by means of the use of more than 2 base points System Settings according language time temperature of sensor and LCD contrast The communication with the evalua tion unit by Modbus address and data rate is done ac cording to the system settings Adjustment of the Modbus by entering the baud rate and address Adjustment of the erg...

Страница 14: ...alue Range of 0 1 999 9 s 1 2 Alarm 1 1 2 1 Alarm type MIN MAX none 1 2 2 Alarm value Range of 0 100 in phys units 1 2 3 Alarm dead time Range of 0 1 99 9 s 1 2 4 Alarm hysteresis Range of 0 1 99 9 1 2 5 Operation modus Operational or closed current principle 1 3 Alarm 2 1 3 1 Alarm type MIN MAX none 1 3 2 Alarm value Range of 0 100 in phys units 1 3 3 Alarm dead time Range of 0 1 99 9 s 1 3 4 Ala...

Страница 15: ...urement range init and end 1 4 7 Measured value Record of input value 1 4 8 Calibration point 2 1 4 9 Calibration depends on the number of the calibration points 1 4 10 Calibration point N Measurement range init and end 1 4 11 Measured value Record of input value For 2 1 to 2 4 3 1 to 3 4 4 1 to 4 4 same way 5 Analogue output 5 1 Beginning of range Range of 0 22 mA Std 4 mA 5 2 End of range Range ...

Страница 16: ... 1 3 Filter Range of 0 1 99 9 s 6 2 Digital input 2 6 2 1 Function none measurement stop or product choice 6 2 2 Effect direction direct or inverted 6 2 3 Filter Range of 0 1 99 9 s 7 System 7 1 1 Baud rate 4800 9600 19200 38400 7 1 2 Modbus address Range of 1 250 7 1 3 Contrast 7 1 4 Language D F E 7 1 5 Backlight 7 1 6 T Display ON OFF ...

Страница 17: ...cording to the display With C you quit the menu point without any change and with the input is ac cepted and you quit the menu level 1 1 4 Measurement range init Input of beginning value of the measurement range between 0 100 Standard 0 0 With C you set the value to 0 0 With the num bers you input the beginning value and with the input is accepted and you quit the menu level 1 1 5 Measurement rang...

Страница 18: ... set the value to 0 0 With the num bers you input the beginning value and with the input is accepted and you quit the menu level 1 2 3 Alarm dead time Choose the time how long the value above and under the limit has to be before the alarm relay switches range between 0 1 99 9 s With C you set the value to 0 0 With the numbers you input the beginning value and with the input is accepted and you qui...

Страница 19: ...turbing nonlinearity see right chart The base points of the ideal characteristic curve are entered and calibrated down to the actual characteristic curve The following adjustment is done on the sensor the signal output is linear With and you make a choice according to the display With C you quit the menu point without any change and with the input is ac cepted and you arrive 1 menu point lower to ...

Страница 20: ...according to the display With C you quit the menu point without any change and with the input is ac cepted and you arrive 1 menu point lower to make your settings 1 4 4 Calibration factor for sensor 2 According to sensor 1 1 4 5 Calibration factor for sensor 3 According to sensor 1 1 4 6 Calibration point 1 Choose the measured value in physical unities be ginning and end of measurement range 1 4 7...

Страница 21: ... output in the range of 0 22 mA Standard 20 mA With C you set the value to 0 0 With the num bers you input the beginning value and with the input is accepted and you quit the menu level 5 3 MIN limit Choose the minimal output value in the range of 0 22 mA Standard 3 mA With C you set the value to 0 0 With the num bers you input the beginning value and with the input is accepted and you quit the me...

Страница 22: ...tput Fit to the external measurement system at differing display Adapt the current output to 4 mA with the keys and quickly and with the keys und slowly With the input is accepted and you quit the menu level with C you quit the menu point without any change 6 Digital inputs It is only necessary for stopping and starting the measurement via an external control line for wir ing see 8 1 With and you ...

Страница 23: ...ning value and with the input is accepted and you quit the menu level 6 2 Digital input 2 Analogue to digital input 1 7 System Setting of the Mod bus interface parameters when connecting to the system bus With and you make a choice according to the display With C you quit the menu point without any change and with the input is accepted and you arrive 1 menu point lower to make your settings 7 1 Ba...

Страница 24: ...ithout any change and with the input is ac cepted and you quit the menu level 7 5 Backlight Setting of durable lightning or the luminescence in min With C you set the value to 0 equals to durable lightning by means of the numbers and with the input is accepted and the menu level is quitted 7 6 T Display Determine if the temperature is shown in the dis play the values are on and off There is no tem...

Страница 25: ...t the op erational instructions have been followed no interventions on the appliances have been made and the components of the system show no mechanical damage or wear resistance In case of a defect during the warranty period defective components are repaired or are re placed free of charge Replaced parts turn into the property of SWR If desired by the cus tomer that the parts should be repaired o...

Страница 26: ...ete input signal correction new cali bration according to section 6 Calibration shifted by Abrasion or caking on front end of sensor Delete input signal correction new cali bration according to section 6 Malfunction of sen sor Sensor not properly connected Check cable Sensor damaged Replace sensor No 24 VDC supply on sensor Assure right power supply Voltage drop on the supply line too highly Exami...

Страница 27: ...aluation unit Supply voltage 110 230 VAC 50 Hz 24 VDC Power consumption 20 W 24 V Current consumption Max 1 A 24 V Protection category IP65 according to EN 60529 10 91 Ambient temperature 10 45 C Dimensions 258 x 237 x 174 mm WxHxD Weight Ca 2 5 kg Interface RS232 RS485 Cable gland 3 x M16 4 5 10 mm ø Connecting terminals Conductor cross section 0 2 2 5 mm2 AWG 24 14 Current output signal voltage ...

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