Burkert 8746, Operating Instructions Manual

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Type 8746 Profibus, 8746 Analogue
7 fluid insTallaTiOn ......................................................... 27
7.1 Safety instructions ....................................................... 27
7.2 Installation steps .......................................................... 28
7.3 Product variant with G-internal-threaded fluid
connections ................................................................. 28
7.4 Product variant with NPT-internal-threaded con -
nections ....................................................................... 31
7.5 Product variant with flange connections ..................... 32
8 elecTrical insTallaTiOn ............................................. 32
8.1 Safety instructions ....................................................... 32
8.2 Additional documentation ........................................... 33
8.2.1 Product variant Analogue ............................... 33
8.2.2 Product variant Profibus ................................ 33
8.3 Wiring the product variant Analogue ........................... 33
8.3.1 Digital input .................................................... 35
8.3.2 Relay output ................................................... 36
8.4 Wiring the product variant Profibus ............................ 37
8.5 Connecting the functional earth .................................. 38
9 cOmmissiOning ............................................................... 39
9.1 Safety instructions ....................................................... 39
9.2 Commissioning steps .................................................. 39
10 seTTing and OperaTiOn ............................................... 40
10.1 Safety instructions ....................................................... 40
10.2 Functions ..................................................................... 40
10.2.1 Zero-point shut-off (MFC) .............................. 40
10.2.2 Flush mode (MFC Profibus) ........................... 41
10.3 Tools for doing settings ............................................... 41
10.4 Connect the product to the Bürkert Communi -
cator software .............................................................. 41
10.5 User-defined adjustment ............................................. 42
10.6 Operating modes of an MFC ....................................... 42
10.7 Normal operating mode (MFC) .................................... 43
10.7.1 Product variant Profibus ................................ 43
10.7.2 Product variant Analogue ............................... 43
10.8 Optimise the closed-loop control parameters (MFC) ........ 44
10.9 Choose the source giving the set-point value (MFC) .. 45
10.10 Set-point values without communication (MFC
Profibus) ...................................................................... 45
11 mainTenance ................................................................... 46
11.1 Maintenance for operation with heavily contami -
nated fluids .................................................................. 46
11.1.1 Inspect and clean the stainless steel
mesh-filter ...................................................... 47
11.2 Cleaning and recalibration at the factory ..................... 48
11.3 Replace the memory card ........................................... 48
12 TrOuBleshOOTing ......................................................... 49
12.1 Problems shown by the product status indicator ........ 49
12.1.1 Product status indicator is red (MFM
Analogue) ....................................................... 49
12.1.2 Product status indicator is red (MFM
Profibus) ......................................................... 50
12.1.3 Product status indicator is red (MFC
Analogue) ....................................................... 50
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