FDT-25W Wall Mounter Ultrasonic Flowmeter
21
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
20. Timed alarm #2
21.Batch Totalizer Full
22. Periodically M51 Timer 23. Oct Not Using
The OCT circuit does not source voltage at its output. It must be connected with an external
power and pull-up resistant for some occasions.
When the OCT circuit is close, it will draw current. The maximum current shall not be over
100mA.
Attention: the maximum voltage applied to OCT can not be over 80 volts.
M79
Relay or OCT2 setup
By selecting a proper input source, the RELAY 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. Timer (M51 Daily) 19.Timed alarm #1
20. Timed alarm #2
21.Batch Totalizer Full
22. Periodically M51 Timer 23. Disable Relay