
APPENDIX
B
INTERFACE
PORTS
Revised: 15 Feb 2017
APX B-3
ESTeem Models 195MHC
RS
‐
485
and
RS
‐
422
Data
Ports
(Ports
1
and
2)
The
ESTeem
Model
195M/H/C
have
a
single,
two
‐
wire
RS
‐
485
interface
in
Port
1
and
a
single,
four
‐
wire
RS
‐
422
interface
in
Port
2.
To
ease
access
to
these
ports
the
AA066
(Figure
3)
cable
adapter
is
available.
The
RJ
‐
45
interface
can
be
inserted
into
either
Port
1
(RS
‐
485)
or
Port
2
(RS
‐
422)
and
the
corresponding
signal
lines
(Figure
1)
can
be
inserted
in
the
screw
terminals.
Note:
Verify
the
screw
terminal
cover
is
attached
to
the
cable
before
termination.
4/20mA
Sensor
Inputs
(Port
1)
The
ESTeem
Model
195M/H/C
have
four
independent
4/20mA
inputs
sensors
that
can
be
read
through
either
ModbusTCP
protocol
(See
Chapter
6)
or
through
the
“sread”
software
command
from
a
serial
port.
For
detailed
information
on
scaling
or
modifications
to
sensor
reading,
please
contact
ESTeem
customer
support
at
509
‐
735
‐
9092.
Figure
3:
AA066
Cable
Adapter
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