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sigfox MODBUS MASTER - Guide utilisateur / User guide version V2.0.0
2.1.6 Transmission on exceeding of the threshold
The product allows the reading of MODBUS slave registers and the comparison of these data with thresholds (top and bottom) in order to trans-
mit overflow information according to the following diagram:
FR
EN
VALUE
<high
NO
threshold -
hysteresis ?
YES
High alarm disabling
Product in standby
Read slave register (s)
High alert
NO
not en-
abled?
YES
VALUE >
NO
high thresh-
old
YES
High alarm enabling
Send frame 0x45
NO
Period
reached?
YES
Low alert
not en-
abled?
YES
VALUE <
low thresh-
old
YES
Low alarm enabling
VALUE >
NO
low thresh-
old + hyster-
esis ?
YES
NO
Low alarm enabling
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