Azbil Micro Flow MQV0002, Руководство пользователя

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4-2
Chapter 4. BASIC OPERATION
„ z
Indicating the flow set value (SP display)
If
DISP key
is pressed while the instantaneous flow rate is displayed, the
PV lamp
goes out, the
SP lamp
lights and the flow set value (SP) is indicated on the display.
Handling Precautions
•
If the SP value is not changed for about 10 seconds while the flow
set value is displayed, the instantaneous flow rate is redisplayed
automatically. For details on how to change the flow rate,
4 - 2 Setting
the Flow Rate (P. 4-4).
•
When multiple setpoints (2 to 8 SPs) have been selected in
c-04
in the
function setup, when switching by external input, the flow set value (SP
value) is displayed for about one second, and then the display switches to
the SP No.
„ z
Indicating the totalized flow
When the
DISP key
is pressed while the flow set value (SP) is displayed, the
SP
and
L/min lamps
go out, the
L lamp
lights up, and the totalized flow value is indicated
on the display.
When the totalized flow value is 10,000 or higher, the number is displayed in two
parts, the last four digits, followed by the first four digits. When the value is the last
four digits, the decimal point on the display is lit up.
For example, when the totalized flow value is "123,456L", "
3 4 5 6
." is displayed.
Press the
DISP key
to display "
1 2
". To alternately display the first and last four
digits, press the
key
.
Handling Precautions
•
When an alarm occurs, the alarm code and the totalized flow value are
displayed alternately.
„ z Resetting the totalized flow count
The totalized flow value is reset to zero by holding down the ENT key for two
seconds or more while the totalized flow value is displayed.
Note (Advanced operation)
•
Totalized flow event output function
When "1: Totalized flow rate count up ON" is selected as the event output
type for function setup
C-07
or
C-08
, the event output turns ON when the
totalized flow value reaches the totalized flow event setting. This threshold
value for the totalized flow event is set in the parameter setup mode.
•
Totalized flow event automatic valve shut-off function
When "1: Function enabled" is set for the automatic valve shut-off function
in function setup
C- 13
, the valve will be automatically closed fully if the
totalized flow value reaches the preset value.
The threshold value for the totalized flow event is set in the parameter setup
mode.
For details on function setup and parameter setup,
Chapter 5.
ADVANCED OPERATION.