Endress+Hauser Prothermo NMT532, Руководство по эксплуатации

Страница: 57 / 72

Prothermo NMT532 Operation
Hauser 57
Code Display Details

• Selects the level display unit. This applies to the display of
VH02 "Liquid level" and VH50 "WB". Based on the configuration
of HART, the available level units are: ft. (HART code: 44), m
(HART code: 45), inch (HART code: 47) and mm (HART code:
49).
• Leave this parameter in mm if you are changing the default
mm in the host gauge (NMS8x, NMR8x, NRF81, NMS5,
NMS7, NRF590, TMD1) to another unit.
VH85 Kind of Interval
(Element interval
configuration) Item type Selection
Default Equal interval
Selection Equal interval, unequal interval
Screen that selects the element interval.
L
CAUTION
Changing the parameters:
Do not change the default parameter on the NMT532. The number of
elements and the position of each element is predetermined by the
customer.
‣
Changing the default parameter may cause erroneous calculations
or unnecessary error displays. Do not change the parameters on
the NMT532.
VH86 Bottom Point
(Position of the
bottom-point
element) Item type Read / Write
Default 500 mm (19.69 in)
Selection 0 to 99 999 mm
The position of the bottom-point element from the tank bottom
(element No.1) is entered. If "Equal interval" has been selected in
VH85, the position of element No.1 is extremely important, as the rest
of the elements' positions will be determined by the position of the
bottom-point element.
VH87 Element Interval
(Element interval) Item type Read / Write
Default 1 000 mm (39.37 in)
Range 0 to 99 999 mm
Changing the element interval and setting the element position are
only applied to reconfigure switching points for average temperature
calculations. The physical positions of elements will not change.

The default setting is 1 000 mm (39.37 in)
VH88 Short Error
(Output data from
element short circuit) Item type Read / Write
Default –49.5
Range –49.5 to 359.5
This data is output when the selected element short-circuits. The
display format can be configured in VH92 "Error Display Select."
VH89 Open Error
(Output data when
element is open) Item type Read / Write
Default 359.0
Range –49.5 to 359.5
This data is output when the selected element is open. The display
format can be configured in VH92 "Error Display Select."
8.3.10 Device setting 2: VH90-VH99
Code Display Details
VH90 Device ID Number
(Device ID number) Item type Read / Write
Default 0