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13

UK

7  Electrical connection

The unit must be connected by a qualified electrician�

The national and international regulations for the installation of electrical 

equipment must be adhered to�
Voltage supply according to EN 50178, SELV, PELV�

 

Disconnect power�

 

Connect the unit as follows:

Core colours

4

3

2

1

BN
WH

BK
BU

4

1

3

2

OUT2

L+

L

OUT1

BK

black

BN

brown

BU

blue

WH

white

OUT1: IO-Link
OUT2:   Analogue  output
Colours to DIN EN 60947-5-2

7.1  For the cULus scope of validity

The electrical supply must only be made via SELV/PELV circuits� A class 2 power 

supply can also be used and is not excluded� The device shall be supplied from 

Limited Energy circuit source according cl� 9�4 of UL 61010-1 3rd ed� standard or 

equivalent� 

The external circuits connected to the device shall be SELV/PELV circuits�  

The device is designed to be safe at least under the following conditions:
•  Indoor use 
•  Altitude up to 2000 m 
•  Maximum relative humidity 90 %, non-condensing 
•  Pollution degree 3 
•  Use UL-certified approved cables of category PVVA or CYJV with data suitable 

for the application�

•  No special treatment is needed during cleaning of the device (Information does 

not apply to applications in hygienic areas).

Summary of Contents for LDL100

Page 1: ...Operating instructions Conductivity sensor hygienic G1 2 LDL100 80277836 00 06 2019 UK...

Page 2: ...Installation procedure of the sensor 10 6 3 Notes on the use in accordance with EHEDG 11 6 4 Notes on the use according to 3 A 12 7 Electrical connection 13 7 1 For the cULus scope of validity 13 8 Pa...

Page 3: ...8 9 1 Function check 18 9 2 Operating and diagnostic messages via IO Link 19 9 3 Output response in different operating states 19 10 Technical data and scale drawing 19 11 Maintenance Transport 19 12...

Page 4: ...nd features Only use the product for permissible media Technical data If the operating instructions or the technical data are not adhered to personal injury and or damage to property may occur The man...

Page 5: ...nit detects the conductivity and the temperature of liquids in pipes and tank systems The unit is designed for direct contact with the medium A PC with USB IO Link master or a programmed memory plug o...

Page 6: ...ia prone to formation of deposit Do not expose the probe tip to direct sun radiation UV radiation 5 Function 5 1 Measuring principle The unit operates on the conductive measuring principle It measures...

Page 7: ...analogue output OUT2 can be configured 8 4 Curve of the analogue signal factory setting I mA L T 20 4 Curve of the analogue signal measuring range scaled I mA L T 20 4 ASP2 AEP2 L T Conductivity Temp...

Page 8: ...ary for the configuration of the unit detailed information about process data structure diagnostic information parameter addresses and the necessary information about the required IO Link hardware and...

Page 9: ...ly before or in rising pipes Provide for inlet and outlet pipe lengths 5 x DN 1 1 5 x DN 5 x DN S sources of interference DN pipe diameter 1 sensor Disturbances caused by bends valves or pipe reductio...

Page 10: ...e installation steps differs Observe the notes in the installation instructions of the respective adapter 6 2 2 Installation procedure of the sensor Slide the supplied seal black O ring 1 Fig 6 1 over...

Page 11: ...e data sheet Make sure that the unit is integrated into the system according to EHEDG Use self draining installation Only use process adapters permitted according to EHEDG with special seals required...

Page 12: ...ocess connection must be provided with a leakage port When adapters with 3 A certification are used this is guaranteed The leakage port must be clearly visible and must be installed facing downwards f...

Page 13: ...y must only be made via SELV PELV circuits A class 2 power supply can also be used and is not excluded The device shall be supplied from Limited Energy circuit source according cl 9 4 of UL 61010 1 3r...

Page 14: ...he unit If necessary read sensor again Remove USB IO Link master and put the unit into operation 9 8 2 Parameter setting via the memory plug Via a memory plug Accessories a parameter set can be writte...

Page 15: ...C reference temperature for measuring the conductivity The standard temperature can be adjusted by the user if necessary Setting range 15 35 C T Cmp Temperature compensation The conductivity is determ...

Page 16: ...d point conductivity Setting range 100 15000 S cm hysteresis for ASP2 COND 50 for ASP2 COND Lo T Minimum value memory for the temperature Hi T Maximum value memory for the temperature Reset Hi T and L...

Page 17: ...n parameter T Cmp to a medium with the temperature coefficient 3 0 K Example T Cmp 3 0 Make all other settings Transfer the sensor data to the unit 8 5 Temperature influence and temperature coefficien...

Page 18: ...n Example of values taken down medium at 25 C 500 S cm medium at 45 C 800 S cm Temperature change 20 K 4 Calculate the change of the conductivity in percent The conductivity has increased by 300 S cm...

Page 19: ...ical data sheet and scale drawing at www ifm com 11 Maintenance Transport Prevent any formation of deposits and soiling on the sensor element If cleaning it manually do not use any hard or sharp objec...

Page 20: ...setting rEF T 25 C T Cmp 2 uni T C CGA 100 ou2 I SEL2 COND conductivity ASP2 TEMP 0 C AEP2 TEMP 150 C Offset TEMP 0 K ASP2 COND 0 S cm AEP2 COND 15000 S cm Lo T Hi T Lo C Hi C FOU2 OFF dAP 1 s S Tim...

Page 21: ...21 UK More information at www ifm com...

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