Endress+Hauser Proline t-mass B 150, Краткое руководство по эксплуатации

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Operation options Proline t-mass B 150
32 Hauser
8.2.9 Enabling and disabling the keypad lock
The keypad lock makes it possible to block access to the entire operating menu via local operation.
As a result, it is no longer possible to navigate through the operating menu or change the values
of individual parameters. Users can only read the measured values on the operational display.
The keypad lock is enabled and disabled in the same way:
The user is in the operational display.
►
By simultaneously pressing the
S
+
O
+
F
keys.
Ã
After enabling the keypad lock:
XXXXXXXXXX
kg/h
20.50
Keylock on
A0014000-EN
8.3 Access to the operating menu via the operating tool
For detailed information about access to the operating menu via operating tool, refer to the
Operating Instructions for the device on the CD-ROM provided
8.3.1 Via HART protocol
This communication interface is present in the following device version:
• Order characteristic for Output , option A : 4-20 mA HART
• Order characteristic for Output , option B : 4-20 mA HART, pulse/frequency/switching
output