6
OPERATION
36
SMARTMAC 400
www.krohne.com
07/2022 - 4008875401 - MA SMARTMAC_400 R01 en
Out of
specification
Sensor
Device variable
alert
This bit is set if any Device
Variable is in an Alarm or
Warning State.
Check field device
configuration.
pH >
pH max
pH > pH Max.
Check SMARTPAT sensor.
pH <
pH min
pH < pH Min.
Check SMARTPAT sensor.
Temp >
Temp max
Temp. > Temp. Max.
Check SMARTPAT sensor.
Temp <
Temp min
Temp. < Temp. Min.
Check SMARTPAT sensor.
ORP >
ORP max
ORP > ORP Max.
Check SMARTPAT sensor.
ORP <
ORP min
ORP < ORP Min.
Check SMARTPAT sensor.
Cond >
Cond max
Conductivity > Max.
conductivity
Check SMARTPAT sensor.
Cond<
Cond min
Conductivity < Min.
conductivity
Check SMARTPAT sensor.
Resist>
Resist max
Resistance > Max. resistivity Check SMARTPAT sensor.
Resist<
Resist min
Resistance < Min. resistivity Check SMARTPAT sensor.
Configuration
Loop current
saturated
The HART
®
device reports
loop current saturated (2nd
status byte)
Check SMARTPAT sensor
configuration of 4 and
20 mA values.
Out of
specification
Process
L2 under-
saturation
The measurement value is
out of range. The current is
limited by the lower limit of
the current output.
Check SMARTMAC 400 Loop
2 configuration of 4 and
20 mA.
L2 over-
saturation
The measurement value is
out of range. The current is
limited by the upper limit of
the current output.
Check SMARTMAC 400 Loop
2 configuration of 4 and
20 mA.
Non Primary vars
out of limits
The HART
®
device reports
non PV out of limits (2nd
status byte)
Check SMARTPAT sensor
configuration.
Primary vars out
of limits
The HART
®
device reports
pv out of limits (2nd status
byte)
Check SMARTPAT sensor
configuration.
Error category
according to
NAMUR NE 107
Error group
Error message
Description
Action