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E204701
2-15
2: Using the ProtoCom/ProtoCom-Lon
ProtoCom-Lon: Wire the Field Port to the LonWorks Network
Connect the ProtoCom-Lon to the field network with the LonWorks terminal using a
twisted pair non-shielded cable. LonWorks has no polarity.
Figure 2.10: LonWorks FIELD Terminal
2.8: Step 8 - Connect Power to the ProtoCom/ProtoCom-Lon
Apply power to the ProtoCom/ProtoCom-Lon as show in the figure below. Ensure that
the power supply used complies with the specifications provided in Section 1.4.
The ProtoCom/ProtoCom-Lon accepts either 9-30VDC or 12-24 VAC on pins 4 and 5.
Power
Requirement
for
ProtoCom/ProtoCom
‐
Lon
at
9V
through
30
VDC
or
12
‐
24
VAC
Current
Draw
Type
ProtoCom
Family
12VDC/VAC
24VDC/VAC
30VDC
ProtoCom
(Typical)
170mA
100mA
80mA
ProtoCom
(Maximum)
240mA
140mA
100mA
ProtoCom
‐
Lon
(Typical)
210mA
100mA
90mA
ProtoCom
‐
Lon
(Maximum)
250mA
130mA
100mA
Note:
These
values
are
‘nominal’
and
a
safety
margin
should
be
added
to
the
power
supply
of
the
host
system.
A
safety
margin
of
25%
is
recommended.