TESTO 6681 Profibus, Instruction Manual

Page: 65 / 154

testo 6681
- 1.5 Status, warning and error messages 65
1.5.5 Namur fault conditions
If the faults named in the following table occur, the analog outputs output
special values that enable a general fault warning in the higher-level control
system. The values correspond to the "Namur" industry standard.
Analog output
Display message Class 0-20mA 4-20mA 1V 5V 10V
No probe signal Error 21mA 21mA 1.2V 5.5V 11V
Wrong probe Error 21mA 21mA 1.2V 5.5V 11V
Watchdog error Error 21mA 21mA 1.2V 5.5V 11V
Values < 0 % RH Underrange 0mA 3.8mA 0V 0V 0V
Condensation Overrange 20.5mA 20.5mA 1.2V 5.5V 11V
%RH short-circuit Error 21mA 21mA 1.2V 5.5V 11V
%RH sensor broken Error 21mA 21mA 1.2V 5.5V 11V
T short-circuit Error 21mA 21mA 1.2V 5.5V 11V
T sensor broken Error 21mA 21mA 1.2V 5.5V 11V
Probe disconnected Error 21mA 21mA 1.2V 5.5V 11V