Honeywell RM640 Handbook page 108

OPERATION
6
Figure 6-8: Level measurement
1 Tank Height (C1.2)
2 Tank bottom reference point. You can use menu item C1.11 Tank Bottom Offset to move the position of the tank bottom
reference point.
3 Blocking Distance (C1.5)
4 100% Range (C4.1.3), if menu item C4.1.4 Current Out. Range is set to "4-20mA" or "3.8-20.5mA"
5 0% Range (C4.1.2), if menu item C4.1.4 Current Out. Range is set to "4-20mA" or "3.8-20.5mA"
6 Non-measurement zone
For more data about the menu items, refer to
Setup menu.
INFORMATION!
Bar graph function in Normal mode Bar graph function in Normal mode
Bar graph function in Normal mode Bar graph function in Normal mode
There is an optional bar graph shown on the two measurement pages in Normal mode (set
C6.4.1 / C6.5.1 (Function) to "One Value & Bar" or "Two Values & Bar"). By default, the bar graph
on the 1st Measurement Page shows a value related to the measurement scale specified in the
C4.1 Current output 1 menu. It is possible to give different measurement scales and
measurement variables for the bar graphs in Normal mode. For more data, refer to Function
description on page 80
the parameters given in the menu item C6.4.2 and C6.5.2 (1st Value Variable) and menu C1
Install. Parameters.
If you change C1.11 Tank Bottom Offset, then we recommend that you change C6.4.3 / C6.5.3 (0%
Range) and C6.4.4 / C6.5.4 (100% Range) by the same quantity.
108
table C. Full Setup menu (C6 Display). The bar graph range is related to
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Function description on page 80 – table C. Full
RM640
34-VF-25-131 iss.1 GLO Feb 2019 US