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88
MC4 User Guide
Redundant
In Redundant measurement two similar measurements (e.g.
pressure measurement using both the internal and an external
pressure module) are compared with each other. If the readings
differ more than the entered limit value, MC4 gives an audible alarm.
The selected main measurement is shown normally. The secondary
measurement value (indicated with a circled B) as well as the alarm
limit (indicated with a triangle) are shown on the additional info row
as seen in the rightmost picture.
R E D U N D A N T M E A S U R E M E N T
S t o p
C a p t u r e
O
k
b a r
G
a u g e
I N T
0 . 4 4 8
A l e r t i f M
e a s u r e m
e n t s D i f f e r
M
o r e T h a n
E x t . P r e s s u r e
0 . 4 5 1
0 . 0 1 0
S e t u p
S e t u p
M
e n u
N o n e
2 1 . 0 9 . 2 0 0 4 1 1 : 1 8 : 2 2
b a r
R e d u n d a n t
0 . 4 4 8
0 . 0 1 ±
I N T
0 . 4 5 1
B
When Redundant measurement is active, text "
Redundant
" is
shown above the main measurement value.
Notes.
If anything else was selected for display on the additional info row,
the alarm limit and the secondary measurement replaces the
previous additional info data.
Also: if you select other items to be displayed on the additional info
row while Redundant measurement is active, the items replace the
redundant measurement related data.
Beware of the problems that
may result in not seeing the true measurement value
.
Redundant measurement can be activated only if two similar
measurements are available, and neither of them is used for
any other measurement.
Warnings.
When setting the allowed difference, take the accuracies of the
measurements into account.
If the measuring spans of the selected ports are different, make
sure you do not exceed the measurement range of either port.
Summary of Contents for MC4
Page 46: ...Service 34 MC4 User Guide Empty ...
Page 106: ...Tools Menu 94 MC4 User Guide Empty ...
Page 134: ...Related Information 122 MC4 User Guide Empty ...
Page 195: ...Appendixes Appendix 1 Technical Data 184 Appendix 3 Index 203 ...
Page 223: ...Notes MC4 User Guide 211 Notes ...
Page 224: ...Notes 212 MC4 User Guide ...