Status Instruments DM4000U, Руководство пользователя

Страница: 56 / 94

Default setting: 4-20
4.2.3.2.2 tyPE ( Type of output operation )
This determines the type of operation. The choices are either fixed programmable
output or current retransmission based upon the process variable.
The options are:
rEtrAN ( Retransmission of the input )
PrESEt ( Constant preset output )
Default setting: rEtrAN
4.2.3.2.3 lo ( low retransmission range )
This is the engineering value at which the current output will be at its minimum value
(either 0 or 4mA), depending upon the span setting.
The value is entered as an engineering value.
Default setting: 0.0
4.2.3.2.4 hi ( high retransmission range )
This is the engineering value at which the current output will be at its maximum value
(20mA or 10mA). See the diagram below for an example of the operation of this
feature.
Note that it is acceptable for the hi range to be less than the lo; although both must be
within the span of the input engineering range. Note that the current output is limited
to the extremes of the current range selected.
Default setting: 100.0
The following diagrams on the next page show the different output responses for a
variety of configurations.
OUTPUT MENU
PROGRAMMING
Page 56