>> Ultrasonic Flow meter User Manual
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 Controller 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 viaRS485
18. Daily Timer (M51) 19.Timed alarm #1
20. Timed alarm #2 21.Batch Total Full 22.Timer by M51
23.Batch 90% Full 24.Flow Rate Pulse 25.Disable OCT
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.
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 Controller 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 viaRS485 18. Timer (M51 Daily)
19.Timed alarm #1 20. Timed alarm #2
21.Batch TotalFull 22.Timer by M51
23.Batch 90% Full 24.Disable RELAY
The RELAY is of SPST(Single pole, single throw) type. It is rated for 110VAC max and
have a current rating of 0.5A resistive load.
It highly recommended that a salve relay to be utilized whenever a large resistive load or
inductive load is to be controlled.
Note. In order to make the user interface compatible with the former version7, the name
RELAY was used other than OCT2, but in fact it is an OCT output.
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