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Where the TS20A is used in commercial or retail LPG , the
flow meter will be shown in manufacturer wiring diagram.
When the TS20A is used as a free-standing meter, it can be
used with many different electronic registers, which can be
either installed on the flow meter, or remote.
In wiring diagrams on these 2 pages, we show the flow
#1
EL0300-5-?
#5
1.
The SCL is model specific, and in some cases also application specific.
meter without consulting with Tuthill.
2.
Use 4 conductor shielded cable.
3.
Terminate shields at receiving instrument (register).
Move W1 shunt (jumper) to match operating voltage:
4.
S1 must be in Q position.
5.
6.
Output signal has an internal pull-up resistor
(1000 Ω) on each channel.
7.
If the receiving instrument (register) is more than 100' (60 m) cable distance from the flow meter, an amplifier is
required on the pulse signal. If this option was not ordered, please consult with Tuthill prior to start-up.
Installation & Operation continued
TS20A with SCL, to EMR³
#4
meter used with registers available through Tuthill. It can of
course also be used with many other registers.
#2 & #3
1 pin exposed: 6-12VDC.
6
EMR³ ground
Do NOT transfer to another flow
Both pins covered: 5 VDC reg.
#6
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