Siemens sitrans LR 400 Instruction Manual page 60

4.6.8.4: Software Revision (F = Number)
Value
4.6.8.5: Hardware Revision (F = Number)
Value
4.6.8.6: Antenna Offset (F = approx. 0.5 m [calibration value])
Distance sensor/flange
The antenna offset defines the propagation time of the measuring signal between the
sensor and the flange as a distance. It is preset at the factory and cannot be changed.
4.6.8.7: Reference Difference (F = approx. 106 m [calibration
value])
Internal reference distance
The length of the reference distance in the units system selected according to Parameter
4. 1 .5 can only be read out and not changed. The device uses this to calibrate itself so that
no manual adjustment is necessary in long-term operation.
5. Options
5.1: Enter Code
Input of customer code to enable programmability
Value
The device compares a code number which you enter here with the code defined in
Parameter 5.2. If your entry matches the customer code completely, it releases the
programming lock for all parameters. Any other code number locks and disables
programming.
Page 56
non-editable
non-editable
Customer code
SITRANS LR 400 – INSTRUCTION MANUAL 7ML19985FH03