32
9. Wiring example
Digital input
R
V
= ((U
st
- 1.6 V) / 20 mA) - 2 k
W
10. Maintenance
Warning!
•
Danger shock with open housing!
•
Switch off the power supply for all maintenance or repair works on the measuring system.
The process must not be in operation during a sensor exchange.
•
Repair and maintenance work must be carried out by trained or expert personnel only.
•
The system is maintenance-free.
11. Warranty
Warranty is granted for one year starting from delivery date under the condition that the operating
instructions have been followed, no interventions on the appliances have been made and the
components of the system show no mechanical damage or wear resistance.
In case of a defect during the warranty period, defective components are repaired or are replaced
free of charge.
Replaced parts turn into the property of ENVEA Process. If desired by the costumer that the parts
should be repaired or replaced in its factory, then the costumer has to take over the costs for the
ENVEA Process-service staff.
ENVEA Process is not responsible for damage, which did not develop at the delivery article;
especially ENVEA Process is not responsible for escaped profit or other financial damages of the
customer.