Proline Prosonic Flow W 400 HART Operation options
Endress+Hauser 67
8.3.12 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 switched on and off via the context menu.
Switching on the keypad lock
The keypad lock is switched on automatically:
• If the device has not been operated via the display for > 1 minute.
• Each time the device is restarted.
To activate the keylock manually:
1. The device is in the measured value display.
Press the and keys for 3 seconds.
A context menu appears.
2. In the context menu select the Keylock on option.
The keypad lock is switched on.
If the user attempts to access the operating menu while the keypad lock is active, the
Keylock on message appears.
Switching off the keypad lock
‣
The keypad lock is switched on.
Press the and keys for 3 seconds.
The keypad lock is switched off.
8.4 Access to operating menu via web browser
8.4.1 Function range
With the integrated web server, the device can be operated and configured via a web
browser service interface (CDI-RJ45) or WLAN interface. The structure of the operating
menu is the same as for the local display. In addition to the measured values, status
information on the device is displayed and can be used to monitor device health.
Furthermore the device data can be managed and the network parameters can be
configured.
A device that has a WLAN interface (can be ordered as an option) is required for the
WLAN connection: order code for "Display", option G "4-line illuminated; touch control
+WLAN". The device acts as an access point and enables communication by computer or a
mobile handheld terminal.
For additional information on the web server, see the Special Documentation for the
device. → 172
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