Section 3
1MAC050144-MB C
Basic functions
76
615 series ANSI
Technical Manual
Figure 11:
Integral deadband supervision
The deadband value used in the integral calculation is configured with the
Value deadband
setting. The value represents the percentage of the difference between the maximum and
minimum limits in the units of 0.001 percent * seconds. The reporting delay of the integral
algorithms in seconds is calculated with the formula:
Example of X130 (RTD) analog input deadband supervision
Temperature sensor Pt100 is used in the temperature range of 15 – 180 °C.
Value unit
“Degrees celsius” is used and the set values
Value minimum
and
Value maximum
areset to
15 and 180, respectively.
Value deadband = 7500 (7,5% of the total measuring range 165)
AI_VAL# = AI_DB# = 85
If AI_VAL# changes to 90, the reporting delay is:
Table 48:
Settings for X130 (RTD) analog input deadband supervision
Function
Setting
Maximum/minimum (=range)
X130 (RTD) analog input
Value deadband
Value maximum / Value minimum(=20000)
100%
000
deadband/1
minimum)
Value
-
maximum
Value
Y
s
t
(
)
(
s
s
t
2,5
100%
7500/1000
)
85
90
15
180
(
)
(
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