BARTEC BENKE HYGROPHIL H 4230-12 Ex Zone II, Руководство по эксплуатации, Страница: 17 / 112

System description
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Operating Instructions HYGROPHIL® H 4230-12 BA 060207
1.3.10.2 Signal lamps
For the purpose of signalling various operating states, the panel contains six
fields with symbols and a signal lamp for each.
The heating (gas sampling hose) is switched on (red)
The water pump is in operation (red)
The proportional valve is opening (red)
The proportional valve is closing (red)
A warn- or error message is present (red)
The PROFIBUS is exchanging data (green)
1.3.10.3 Display
The display is made up of two rows and is backlit.
The measurement variables called using the keyboard are displayed togeth-
er with their dimensions in the bottom line. The top line shows the operating
status or error messages, depending on the current conditions.
During programming, the display is used for interaction with the user. Appro-
priate displays, messages and questions are displayed. The line at the top
shows the menu that is open, while the line at the bottom shows the function
to be programmed or a value to be changed.