4-2 IM 04L20A01-01E
Setup Items
A/D Integral Time, Scan Interval, Burnout Detection, RJC, Temperature Unit
•Integrate
Select the integral time of the A/D converter. Select from [Auto], [50Hz], [60Hz], and
[100ms]. The FX103, however, does not have a selection [100ms].
Auto: The FX100 automatically detects the power supply frequency and switches
between 16.7 ms (60 Hz) or 20 ms (50 Hz). Fixed to 20 ms on /P1 models that use
the 24 VDC power supply.
50Hz: The integral time is fixed to 20 ms.
60Hz: The integral time is fixed to 16.7 ms.
100ms: The integral time is fixed to 100 ms (the scan interval is 2 s).
• Scan interval
FX103: Fixed to 250 ms
FX106/FX112: You can select [1s] or [2s]. However, if Integrate is set to [100ms], the
scan interval is fixed to [2s] ([1s] cannot be selected).
• First-CH/Last-CH
Select the range of channels for setting the burnout detection and RJC.
• Burnout set
Set the burnout action for the measurement inputs. Select [Off], [Up], or [Down]
(initial value is Off). This setting is valid only for thermocouple inputs.
Off: Burnout action Off
Up: When the thermocouple burns out, the measured result is set to positive overflow
and displayed as “Burnout.”
Down: When the thermocouple burns out, the measured result is set to negative
overflow and displayed as “Burnout.”
• RJC
This is the reference junction compensation setting for thermocouple inputs. Select
either [Internal] or [External] (initial value is Internal). This setting is valid only for
thermocouple inputs.
Internal: Uses the reference junction compensation function of the FX100.
External: Uses the external reference junction compensation function.
If set to [External], a box for entering the reference junction compensation voltage that
is to be added to the input appears. Set the value in the range of [−20000] µV to
[20000] µV (initial value is 0 µV).
Temperature Unit for Thermocouple and RTD Input
• Temperature
Select from [C] (Celsius) or [F] (Fahrenheit). This setting is common to all
channels with thermocouple or RTD input.
4.1 Setting Parameters Related to Measurement Inputs
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