Title: 370.011 OE501 Siemens Sitrans FUE080 Flowmåler.pdf
In this mode, with the HW key installed, many parameters in PDM are opened. If these parameters are changed, it can seriously affect the meter accuracy and operation. Be careful when writing new parameters.Changing the HW-protected parameters1. Disconnect power supply to transmitter, i.e. battery plug and/or the mains power supply2. Remove frame and display from transmitter.3. Insert HW key as shown in figure above.4. Remount display and frame on transmitter.5. Restart device.6. Make parameter changes via PDM.7. Download parameter changes to device.8. Remove HW key by following the steps above.SITRANS FUS080 transmitterOperating Instructions, 07/2012, A5E03059912-0247Functions 7.4 Hardware key48SITRANS FUS080 transmitterOperating Instructions, 07/2012, A5E03059912-02Service and maintenance88.1MaintenanceThe device is maintenance-free. However, a periodic inspection according to pertinent directives and regulations must be carried out.