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12

5.  Electrical connection

Fig. 12: Electrical connection

Transmitter
Terminal no.

Connection

Connection of the power supply

L / +24 V

Input power supply 230 V / 50 Hz, 110 V / 60 Hz (optional 24 V DC)

N / 0 V

Input power supply 230 V / 50 Hz, 110 V / 60 Hz (optional 24 V DC)

PE

Protected earth

Sensor connection

I-out1

+

Analogue  

-

Analogue output  -  

Na

Not available

Na

Not available

Na

Not available

Na

Not available

Min. / 
Max.- 
relay

NO

Potential-free relay NO (Close)

C

Potential-free relay C (Common conductor)

NC

Potential-free relay NC (Open)

D-out

+

Digital

-

Digital output -

RS 485

A

RS 485 intersection data A

B

RS 485 intersection data B

GND

RS 485 intersection ground

D-in1

+

Digital intersection 1 (+)

-

Digital intersection 1 (-)

D-in2

+

Digital intersection 2 (+)

-

Digital intersection 2 (-)

Sensor

+

Power 24 V

Cable no. 1

GND

Power supply  0 V 

Cable no. 2

A

RS 485 data A 

Cable no. 3

B

RS 485 data B 

Cable no. 4

Shield

Shield

L N PE

I-in 1 I-out 1

+    -

I-out 2 I-out 3

Alarm Relay

NO  C  NC

D-out

RS 485

 A   B  

GND

D-in 1 D-in 2

Sensor

+     -    A   B 

Shield

+    - +    -

+    - +    -

+    -

+    -

Summary of Contents for Envea M-Sens 2

Page 1: ...M Sens 2 Online moisture measurement for solids Operating Instructions M Sens 2 Online moisture measurement for solids SWR engineering Messtechnik GmbH PART OF THE ENVEA GROUP Online moisture measurem...

Page 2: ...5 4 Mounting and installation 6 4 1 Delivery range 6 4 2 Auxiliary 6 4 3 Mounting of the sensor 6 4 4 Mounting of the transmitter 10 4 5 Use in Ex hazard array 11 5 Electrical connection 12 6 Commissi...

Page 3: ...3 sensors in a field housing C1 box for connecting of sensor and transmitter The sensor is connected by a shielded 4 wired cable to the transmitter the maximal distance between these devices can be a...

Page 4: ...ure 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 con...

Page 5: ...inexpert manner Attention 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 and...

Page 6: ...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 weld...

Page 7: ...e 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 re...

Page 8: ...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 quer...

Page 9: ...g 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 detention time and dosage quanti...

Page 10: ...00 m from the sensor The housing is prepared for wall mounting Fig 9 Field housing for the transmitter Cable gland M 16 x 1 5 Sensor 1 Transmitter Fig 10 Field housing for the C1 box The C1 box contai...

Page 11: ...ble process temperature 0 80 C Maximum surface temperature 135 C with Ta 60 C Marking GasEx II 1G Ex ma ia CII T4 Group of equipment 2 Equipment category 1 Zone 0 For combustible mixtures from air and...

Page 12: ...n Max relay NO Potential free relay NO Close C Potential free relay C Common conductor NC Potential free relay NC Open D out Digital output Digital output RS 485 A RS 485 intersection data A B RS 485...

Page 13: ...without saving the changes push the C button Starting the menu Entering the menu takes place by pushing 5 s the invisible key lower right corner of the touch screen panel Basic function For the measu...

Page 14: ...s To improve the accuracy those values have to be determined If there are deviations the non existent linearity can be corrected levelled by means of the use of more than 2 base points System Settings...

Page 15: ...us Choose Open or closed current principle 1 3 Alarm 2 1 3 1 Alarm type Choose MIN MAX 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 Alarm hysteresis R...

Page 16: ...22 mA Standard 3 mA 5 6 Filter time Range of 0 1 999 9 s Standard 1 s 5 7 Calibration 4 mA Adjust output current calibration to 4 mA 5 8 Calibration 20 mA Adjust output current calibration to 20 mA 6...

Page 17: ...th you quit the menu point without any change and with the input is accepted and you quit the menu level 1 1 4 Measurement range init Input of beginning value of measurement range between 0 100 Standa...

Page 18: ...s 1 2 2 Alarm value Choose the response threshold of measurement end values in phys unities range between 0 100 With you set the value to 0 0 With the numbers you input the beginning value and with th...

Page 19: ...input is accepted and you arrive 1 menu point lower to make your settings 1 4 1 Calibration filter Damping filter in order to slow down disturbed signals during the calibration no effect on output an...

Page 20: ...th 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 1 4 4 Calibration factor for sensor 2 According to sensor 1 1 4 5 C...

Page 21: ...0 22 mA Standard 4 mA With you set the value to 0 0 With the numbers you input the beginning value and with the input is accepted and you quit the menu level 5 2 End of range Choose the output in the...

Page 22: ...is accepted and you quit the menu level 5 7 Calibration 4 mA Set the minimal current output Fit to the external measurement system at differing display Adapt the current output to 4 mA with the keys a...

Page 23: ...quit the menu point without any change and with the input is accepted and you quit the menu level 6 1 2 Effect direction Direct inverted With and you make a choice according to the display With you q...

Page 24: ...st for a better legibility Adapt the contrast to desired value with the keys and quickly and with the keys and slowly With the input is accepted and you quit the menu level with you quit the menu poin...

Page 25: ...nu level 8 Storage Only with change and leaving the menu level With leave the menu without any change with transfer the entry and leave the menu level 9 Wiring example Digital input 8 C System Tempera...

Page 26: ...it or other financial damages of the customer 12 Troubleshooting Warning The electrical installation must only be checked by expert personnel Problem Cause Measure Measuring system does not work Power...

Page 27: ...24 V DC Power consumption 20 W 24 V Current consumption Max 1 A at 24 V Protection category IP 65 according to EN 60529 10 91 Operating temperature 10 45 C Dimensions 258 x 237 x 174 W x H x D Weight...

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