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No. Cautions
Cautions on alarms
Combination of alarm functions
Please see the table as shown below.
O: Possible combination
X: Impossible combination
Note 1) The alarm is not turned on the first time the measured value is in the
alarm band. Instead it turns on only when the measured value goes out
of the band and enters it again.
Items/Classification
1 Note that the ON delay function is effective for alarm in error status.
Alarm in error
status
Alarm at error
indication
2 Even during "Err" display, alarms in error status work.
3
Even when “LLLL” or “UUUU” is displayed, an alarm function works normally.
5 With the HB alarm, ON delay function, de-energizing function and latch
function cannot be used.
HB alarm
Alarm action type
code
4 Alarm action type codes in No.12 to 15 are also included in No.24 to 27.
It is, therefore, recommended to use No.24 to 27. In addition, please note
when selecting No.12 to 15, setting in ALM2, dLY2, and A2hy are effective.
6
The minimum alarm set value is –199.9.
Alarm set value
Note that all of alarm outputs are not provided at the standby condition.
Alarm at standby
mode.
Error status alarm is not provided at the standby mode.
The HOLD function is effective even if the PV value is in the hysteresis area
when the power is turned ON.
7 As the alarm action type changed, the alarm set value may also be
changed accordingly.
8
9
10
Alarm in error status
ON delay
De-energizing
Alarm latch
Without HOLD/Timer
O
O
O
O
With HOLD
O
O
Note 1
O
With Timer
X
O
X
X
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