24v ac/dc, Analog output }lon c onnections, Aux pulse input – ONICON System-30 LonWorks BTU User Manual
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11451 Belcher Road South, Largo, FL 33773 • USA • Tel +1 (727) 447-6140 • Fax (727) 442-5699 • [email protected]
System-30 BTU Measurement System LON 05/14 - 0668-2 / 18337
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3.3.2 Electrical Wiring
Connect all Btu meter signal outputs to terminal strip TB1 and/or TB4 (optional
communication output) as shown below. Then connect the 24 V AC/DC input power to
terminal strip TB1. The standard SYSTEM-30 is configured for 24 V AC 50/60 Hz
operation or 24 V DC operation. Do not connect the 24 V AC/DC source until all other
signal connections have been made and verified.
CAUTION
Only qualified service personnel should make connections between the System-30-LON BTU
Meter and the user’s external equipment. ONICON assumes no responsibility for damaged caused
tot he external equipment as a result of an improper installation.
!
1 2 3 4 5
1 2 3 4 5 6 7 8
TB1
TB4
+ -
B
tu M
ode
1
Co
ntact
B
tu M
ode
2
C
on
ta
ct
}
}
}24V AC/DC
+ -
}Analog Output
}LON c
onnections
+ -
}Aux
Pulse Input
Not
u
se
d