Siemens 7ME6810, Operating Instructions Manual, Page: 58 / 170

6.6 Data protection
Using hardware key
A hardware key is installed in the HL hole to change protected parameters. The HL
hole is located in the front of the PCB board behind the battery.
MAG 8000 Standard / MAG 8000 CT)
Parameter no. Parameter name
- New Password
5 Sensor tube diameter
7 Meter No.
8 Totalizer unit
9 Flow unit
10 Qn (Q3)
300 Totalizer unit factor
301 Flow unit factor
302 Pipe size
321 Calibration date
323 Calibration factor
325 Sensor offset
332 Max. sensor excitation frequency
Additional protected parameters (MAG 8000 CT)
Parameter no. Parameter name
101 Totalizer 1
102 Totalizer 2
103 Net totalizer (since FW 3.11)
303 Operation excitation frequency
305 Decimal point place
310 Flow direction totalizer 1
312 Flow direction totalizer 2
327 Adjustment factor
328 Low flow cut-off
332 Empty pipe impedance
420 Device Communication Address
550 Coil current active
551 Fix flow mode active
Commissioning
6.6 Data protection
SITRANS FM MAG 8000
58
Operating Instructions, 03/2020, A5E03071515-AH