
TUF-2000F User Manual
10
For Version-15 flow meter, you need to indicate on your orders that you need the
frequency function; Otherwise you will get a flow meter which has no frequency
output circuits.
M68
Window to setup the minimum flow rate value which corresponds to the lower
frequency limit of the frequency output.
M69
Windows to setup the maximum flow Rate value that corresponds to the upper
frequency limit of the frequency output.
M70
LCD display backlight control. The entered value indicates how many seconds the
backlight will be on with every key pressing. If the enter value is great than 50000
seconds, It means that the backlight will always keeping on.
M71
LCD contrast control. The LCD will become darker or brighter when a value is
entered.
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. The available trigger sources are:
0. No Signal 1. Poor Signal
2. Not Ready (No*R) 3. Reverse Flow 4. AO Over 100%
5. FO Over 120% 6. Alarm #1 7. Reverse Alarm #2
8. Batch Control 9. POS Int Pulse 10.NEG Int Pulse
11.NET Int Pulse 12.Energy POS Pulse 13.Energy NEG Pulse
14.Energy NET Pulse 15.MediaVel=>Thresh 16.MediaVelo<Thresh
17.ON/OFF viaRS232 18.Daily Timer (M51) 19.Timed alarm #1
20. Timed alarm #2 21.Batch Totalizer Full 22. M51 Timer
23. Key Stroking ON 24.Disable BEEPER
M78
OCT (Open Collect Transistor Output)/OCT1 setup
By selecting a proper input source, the OCT circuit will close when the trigger event
occurs. The available trigger sources are:
0. No Signal 1. Poor Signal
2. Not Ready(No*R) 3. Reverse Flow 4. AO Over 100%
5. FO Over 120% 6. Alarm #1 7. Reverse Alarm #2
8. Batch Control 9. POS Int Pulse 10.NEG Int Pulse
11.NET Int Pulse 12.Energy POS Pulse 13.Energy NEG Pulse
14.Energy NET Pulse 15.MediaVel=>Thresh 16.MediaVelo<Thresh
17.ON/OFF viaRS232 18. Daily Timer (M51) 19.Timed alarm #1