Siemens Sitrans LR400 Instruction Manual page 34

2.4 Mass (for qualified personnel only)
This parameter is for Factory Authorized Personnel only.
2.5 Current Output
Analog output displayed in mA
When the device electronics are working properly, the displayed mA current value will
correspond to the measured output current.
2.6 Digital Output
State of digital output
3. Diagnostics
3.1 Status
The Status parameters display the current status messages of the device. Parameter 3. 1 .1
is always accessible; other parameters (Parameter 3.1.x) appear in the appropriate order
if they contain error messages.
3.1.1 Wear
3.1.1.1: Operating Hours
Total previous operating time of the device in hours (approximate value)
3.1.1.2 Maximum Temperature (F = 26 °C)
Last recorded maximum internal temperature of the device
This temperature must not exceed 85 °C (185 °F) or warranty may be void.
Note:
3.1.1.3 Minimum Temperature (F = 26 °C)
Last recorded minimum internal temperature of the device
3.1.1.4 Aging
Approximate value for the prior life of the device in % (100% = approx. 10 years)
This parameter outputs a calculated percentage which estimates the wear of the
device due to aging.
3.1.1. 5 Hours > 85 °C
Total time the maximum permissible internal temperature (85 °C) was exceeded, in
hours
Page 30 SITRANS LR400 (7ML5421) – INSTRUCTION MANUAL 7ML19985FH06