M65
AI4 value range.
Used to enter temperature/pressure values that are corresponding to 4mA and 20mA
input current.
M66
AI5 value range.
Used to enter temperature/pressure values that are corresponding to 4mA and 20mA
input current.
M67
Setup the frequency range (lower and upper limit) for the frequency output function.
Valid range is 0Hz-9999Hz. Factory default value is 0- 1000 Hz.
M68
Setup the minimum flow rate value which corresponds to the lower frequency limit of
the frequency output.
M69
Setup the maximum flow
Rate value that corresponds to the upper frequency limit of
the frequency output.
M70
LCD display backlight control.
M71
LCD contrast control.
M72
Working timer. It can be cleared by pressing ENT key, and then select YES.
M73
Window to setup the lower limit of flow rate for Alarm#1.
When the flow rate is below the set value, Alarm#1 equals ‘on’
M74
Window to setup the upper limit of flow rate for Alarm#1.
When the flow rate is above the set value, Alarm#1 equals ‘on’
There are two alarms in the flow meter, and every alarm can be pointed to alarm
output devices such as the BUZZER or OCT output or RELAY output. For example, if
you want the Alarm#1 is to output by the OCT circuit, you need to set M78 at
selection item 6.
M75
Window to setup the lower limit of flow rate for Alarm#2.
M76
Window to setup the upper limit of flow rate for Alarm#2.
M77
Buzzer setup.
If a proper input source is selected, the buzzer will beep when the trigger event occurs.
M78
OCT (Open Collect Transistor Output)/OCT1 setup
By selecting a proper input source, the OCT circuit will close when the trigger event
occurs.
M79
Relay or OCT2 setup
By selecting a proper input source, the RELAY will close when the trigger event
occurs
M80
Window for selecting the trig signal for the built - in batch controller. Available trig
sources:
0. Key input (press ENT key to start the batch controller)
1. Serial port
2. AI3 rising edge (when AI3 receives 2mA or more current)
3. AI3 falling edge (when AI3 stop receiving 2mA or more current)
4. AI4 rising edge (when AI3 receives 2mA or more current)
5. AI4 falling edge (when AI3 stop receiving 2mA or more current)
6. AI5 rising edge (when AI3 receives 2mA or more current)
7. AI5 falling edge (when AI3 stop receiving 2mA or more current)
8.Timer periodically (define the start time and interval time in M51)
9.Timer daily (define the start time and interval time in M51)
For the input analog current signal, 0 mA indicates “0”, 4mA or more indicates ‘1’.
By selecting item #8, the batch totalizer can
be started periodically by the internal
timer
located at Menu51. When the batch totalizer is full, a signal which indicate the batch is
full can be direct to either the OCT or the RELAY terminals to stop the pump or other
devices.
By selecting item #9, the batch totalizer could act as totalizer witch runs for only a
period of the day so that a alarm signal could be produced if the total flow during that
time period is over a certain amount of. For example, if you want a alarm signal which
stand for the total flow is over 100 cubic meters during the period of every day from
20:00 to 06:00, setups is like
M51 start time =20:00:00
M51 interval =10:00:00
M51 log times =9999 (means always)
M80 select item #9
M81 input 100 (Unit is defined in M30,M31,M32)
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