[4] Function
<Normal mode>
Item Description
Flow rate display Instantaneous flow rate is displayed.
Integrating function Integrated flow rate is displayed.
Peak hold
function
Maximum and minimum flow rate values during the specified
period can be read.
Set-point
verification
Switch data (set-point value and operation mode) are
displayed to check.
Key lock
Setting changes are disabled to prevent incorrect operations.
Error display
function
The error state is displayed.
<Standard setting mode>
Item Description
Switch output
Having 2 pieces of switch output, 7 operation patterns and stop
of operation can be set.
Forcible output
function
Switch output is turned on forcibly to check wiring connection
and initial operation of input unit.
0 point adjustment Deviation of the display from o is corrected.
<Detailed setting mode>
Item Description
Flow direction
selection
Only bi-directional type, flow direction can be switched.
CH2 function
selection
Sets the CH2 function.
Selects “Switch output”, ”External input of auto reference”,
or ”External input of integrated reset”.
Auto reference
function
When CH2 function selected external input of auto reference,
setting value of switch output can be taken by external input or
key operation.
Response time
setting
Sets the response time.
The response time can be selected from 20ms to 1280ms.
Display speed
selection
Change the speed of the displayed.
Sub-display
selection
Change the indication of the sub-display.
Selects “Flow direction”, ”Flow rate unit”, or “Working fluid”.
Displayed color
selection
Displayed color can be changed.
Hysteresis fixed
value selection
Sets hysteresis of the window operation mode and the auto
reference mode. (8 steps)
Flow rate unit
selection
Flow rate unit can be changed.
Standard condition (ANR): Converted to volumetric flow at 20°C
and 1 atmospheric pressure (101kPa).
Reference condition (NOR): Converted to volumetric flow at 0°C
and 1 atmospheric pressure (101kPa).(calculation value)
Eco mode setting Current consumption can be lowered.
When the product is left for 1 min. without any operation, it’s
shift to eco mode.
Reset setting
Return to default settings (factory settings)
[5]How to operate
5-1.Normal mode
<
Displaying the integrated flow >
Note: Integration is reset with the external input. See auto reference function.
Note: Integration is also reset or Integrating function display setting is keeping when power is
turned OFF.
<Peak hold function>
<Set-point verification method>
<
Key lock function>
Key lock
key press After key lock and It is displayed “Loc”.
Key unlock
Note: Keys are unlocked when the controller is shipped. Lock keys if necessary.
The key lock/unlock state is held even if power is turned OFF.
While key lock, all the operations are not accepted excluding the key lock
release operation.
While key lock, If the key is operated, it becomes a “Loc” display.
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Display unit selection
Instantaneous flow rate display
(unit:: mL/min (or) L/min)
Integrated flow display (unit: mL (or) L)
,<Instantaneous flow rate display>
Press once.
Press once
(determination).
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<Integrated flow display>
Integration reset
Integration is reset when the and
keys are held down for 2 sec.
Press simultane-
ously for 2 sec.
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CH1 data display
<Instantaneous flow rate display>
Being held down
To instantaneous flow rate display
Separate
CH2 data display
＜
Lower limit
＞
＜
Upper limit
＞
Operation waveform
Displays in turn
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When CH1 selected window operation[1]
When CH2 selected external input of
integrated reset.
Separate
Being held down
<Instantaneous flow rate display>
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Peak hold display
and
press simultaneously
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Being held down
Being held down
<Peak value displayed>
<Bottom value displayed>
Press once.
Reset peak hold function.
To instantaneous flow rate display
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<Instantaneous flow rate display (key unlock)>
and
press simultaneously for 1 sec.
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<Instantaneous flow rate display (key lock)>
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<Instantaneous flow rate display (key lock)>
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<Instantaneous flow rate display (key unlock)>
and
press simultaneously for 3 sec.
－3－
Discontinue
