Toshiba lf546 User Manual
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12.2 Output Status for Errors and Alarms
Error indication Measured value
indication
Current output
(4-20mA)
Totalization
pulse output
Remarks
ROM ERROR
(Note 1)
−
(Note 3)
Stopped
After power-up,
no measurement starts.
no measurement starts.
RAM ERROR
−
(Note 3)
Stopped
After power-up,
no measurement starts.
no measurement starts.
PARAMETER
FAILURE
(Note 2)
Zero
(Note 3)
Stopped
―――――――
EXC CUR
OPEN
Zero
(Note 3)
Stopped
Still water zero adjustment
cannot be performed.
cannot be performed.
EXC CUR
ERROR
Zero
(Note 3)
Stopped
Still water zero adjustment
cannot be performed.
cannot be performed.
ADC ERROR
Zero
(Note 3)
Stopped
Still water zero adjustment
cannot be performed.
cannot be performed.
INVALID
TOTAL
Measured data
Measured data
Measured data
The error message
disappears if you clear
(reset) the totalizer count.
disappears if you clear
(reset) the totalizer count.
HIGH ALARM
Measured data
Measured data
Measured data
―――――――
LOW ALARM
Measured data
Measured data
Measured data
―――――――
HIGH HIGH
ALARM
Measured data
Measured data
Measured data
―――――――
LOW LOW
ALARM
Measured data
Measured data
Measured data
―――――――
Note 1: The display and output may not be correct depending on the nature of the ROM error.
Note 2: If a parameter failure relating to the current output occurs, the current output may not become
Note 2: If a parameter failure relating to the current output occurs, the current output may not become
the value as specified by the setting when an alarm occurs.
Note 3: The current output value used in case an alarm occurs will be output. For setting method, see
8.2.16, “4
−20mA Alarm Output Setting.”