Burkert Type 8681 User Manual
Page 85
85
Replacement of Components and Modules
Danger!
risk of injury from high pressure!
Before loosening pneumatic lines and valves, turn off the pressure and vent the lines.
•
note!
electrostatic sensitive components / modules!
Before changing the position measuring system, switch the electrical power for the control head off so that
•
destruction of the PCB and electronics module is avoided.
The device contains electronic components, which react sensitively to electrostatic discharge (ESD). Contact
•
with electrostatically charged persons or objects may be hazardous to these components. In the worst case
scenario, they will be destroyed immediately or will fail after start-up.
Observe the requirements in accordance with DIN EN 61340-5-1 and 5-2 to minimize or avoid the possibility
•
of damage caused by sudden electrostatic discharge!
Also, ensure that you do not touch electronic components when the power supply voltage is present!
•
deinstallation procedure:
Switch the electrical power to the control head off!
→
Loosen the control head from the process valve.
→
Open the housing observing the notes contained in chapter
→
8. Opening and Closing the Housing.
4.
Pull out position
measuring system
2.
Fold electronics
module to the
front
1.
Loosen Torx10
screw
3.
Bend/break off the snap-fit hooks
inwards - 4x
(bottom view)
Dismantling the Position Measuring System
Fig. 34:
english
Control Head Type 8681