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sigfox MODBUS MASTER - Guide utilisateur / User guide version V1.0.0
2.2.2 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
NON
threshold -
hysteresis
?
OUI
High alarm disabling
Product in standby
Read slave register (s)
High
NON
alert not
enabled?
OUI
Value >
NON
high thres-
hold
OUI
High alarm enabling
Send frame 0x45
NON
Period
reached?
OUI
Low
alert not
enabled?
OUI
Value < low
threshold
OUI
Low alarm enabling
Value > low
NON
threshold +
hystérésis
?
OUI
NON
Low alarm enabling
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