Commissioning Cerabar M HART
30 Endress+Hauser
6.2.6 Reset to factory setting (reset)
The upper-range value is calibrated using the "Span" key:
Use the Zero and Span keys to reset to the factory setting:
• To the lower-range value (Zero) = lower sensor measuring limit
• To the upper-range value (Span) = upper sensor measuring limit
• The bias pressure to zero = 0.0 pressure unit
1. Press the Zero and Span keys simultaneously.
2. Release the keys, press them a second time within 2 seconds and hold them for at least
7 seconds. Any reset that has taken place is confirmed on the optional onsite display with
"Res".
6.3 Commissioning via communication
6.3.1 Preparatory work
• Connect Cerabar M to the power supply (Section 4.1 "Connecting the device").
• Decide which tool you want to use to operate the Cerabar M and establish the connection
(Operating program see Section 5.3, Universal HART Communicator DXR375 see Section 4.2).
6.3.2 Reset to factory setting (reset)
By entering a certain code, the matrix entries can be reset partially or completely to the factory
settings. Further information on the various types of reset and their effects is given in Section 8.5
"Reset".
Main group: Transmitter information
# Matrix (VH position) Path through the menus Entry
1 Reset to factory setting (reset)
V2H9 ➤ Default Values e.g. 2380
Enter
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