
BRONKHORST®
Page 27 Operational instructions for digital multibus instruments 9.17.023
LARM INFO
This parameter contains 8 bits with status information about some (alarm) events in the instrument.
An error occurred: Alarm register 2 contains an error
A warning occurred: Alarm register 1 contains a warning
Minimum alarm: Sensor signal < minimum limit
Maximum alarm: Sensor signal > maximum limit
Batch counter: Reached its limit
This bit only: Power-up alarm (probably power dip occurred)
Together wit bit 2 or bit 3: Response alarm message
(setpoint-measure too much difference)
(bit 2 or bit 3 indicate if difference is positive or negative)
Master/slave alarm: master output signal not received or slave factor out of
limits (> 100%)
Hardware alarm: check hardware
LARM MODE
Available alarm modes for device:
alarm on limits related to setpoint (response alarm)
alarm when instrument powers-up (e.g. after power-down)
Not all modes are available for all field busses. E.g. for DeviceNet only mode 0 and 1 are available.
LARM MAXIMUM LIMIT
Maximum limit for sensor signal to trigger alarm situation (after delay time).
Minimum limit ≤ Maximum limit ≤ 100%
LARM MINIMUM LIMIT
Minimum limit for sensor signal to trigger alarm situation (after delay time).
0% ≤ Minimum limit ≤ Maximum limit
LARM SETPOINT MODE
Available alarm setpoint modes for device:
no setpoint change at alarm
new/safe setpoint at alarm enabled (set at alarm new setpoint)
New/safe setpoint during alarm situation until reset.
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