Burkert 8745 MFC Ethernet, Operating Instructions Manual, Page: 47 / 70

47
Commissioning
Type 8745 Ethernet, 8745 Analogue
→
Tighten the screws of the removable terminal connections to
a torque of 0,5...0,6 N·m, that is 0,37...0,44 lbf·ft.
→ Connect the terminal connections to the product.
→
Connect the cable shielding to the M4 screw.
→ Do the functional earthing of the product. Refer to chpt. 8.7.
8.7 Connecting the functional earth
To do the functional earthing of the product, obey the following
instructions:
1.
Use a green-and-yellow cable that is as short as possible.
And the cable cross-section must be at least equal to the
cross section of the power supply cable.
2. With a flat screwdriver of size 6.5 mm, loosen the M4 screw.
See Fig. 29.
M4 screw
Fig. 29: Location of the M4 screw for the connection of the functional-
earth cable and the connection of the cable shielding
3. Attach the functional-earth green-and-yellow cable to the M4
screw with a cable lug.
4. Tighten the M4 screw to a torque of 1,8 N·m...2 N·m, that is
1,33 lbf·ft...1,47 lbf·ft.
9 cOmmissiOning
9.1 Safety instructions
WARNING
risk of injury from improper commissioning and operation.
Improper commissioning and operation can lead to injuries and
damage to the product and its environment.
▶
Before commissioning, make sure that the operating person -
nel are familiar with, and fully understand the content of the
Operating Instructions.
▶
Observe the safety information and the intended use.
▶
Only properly trained personnel may commission the instal -
lation and the product.
▶
Only properly trained personnel may do the settings with the
help of the Bürkert Communicator software.
9.2 Commissioning steps
1. Pressurise the pipes with operating fluid
2. Flush the pipes with operating fluid at the calibration
pressure.
3. Vent the pipes completely.
4. Energise the product.
If product-specific data is stored on the inserted memory
card, then the product adopts the data. To get a list of the stored
data at product delivery, refer to the Help for the Initiation file that
can be downloaded from country.burkert.com .
English