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Multichannel operation – Dynasonics TFXM Series Ultrasonic Multi-Channel Flow Meter User Manual

Page 83

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Rev. 8/02

-5. 1-

TFXM

MULTICHANNEL OPERATION

Series TFXM is a multiple channel flow meter designed with maxi-
mum user flexibility in mind. The product can be configured as a
simple flow meter, showing flow on multiple pipe simultaneously.
It can also be used to perform mathematical manipulation of flow
rates between pipes using its powerful, yet simple to use, algo-
rithms. This manual will provide instructions as to configuration of
the TFXM in the following scenarios:

1. Multiple Pipe Flow Network

2. Multiple Path Flow Averaging

3. Flow Summations of Multiple Pipes

4. Flow Differences of Multiple Pipes

5. Leak Detection in Pipe Lines

Configuring of the graphics display

The graphics display on the TFXM can be configured to show ei-
ther two or four lines of information. This information can be dis-
played for any flow meter on the TFXM RS485 network. The pro-
cedure to configure the display is as follows:

1. Menu Item 8 can be accessed to select either two or four lines

of display information. See Page 3.29 for details.

2. Press the (soft)Select key on the right side of the graphics dis-

play to highlight the upper most display entity.

3. Utilize the soft(CHAN) keys UP/DOWN arrows to select what

measuring entity is required: Flow RATE, Net TOTAL, Temp
Difference, Temp 2, Temp 1, Signal Strength or liquid Sound
Speed.

4. Utilize the CHANNEL key to select which measurement chan-

nel on the flow meter network is to be displayed:

M = Master Measurement
1 = Secondary Channel (Slave 1) integral to DTFXM2
2, 3, 4...119 = Secondary Channels (Slaves) external to DTFXM
No Designation = Multichannel Manipulated Value

5. After the entity and measurement channel have been selected

for a particular line, press the (soft)SELECT key to move the

General
Information

Multiple Channel
Display
Configuration