MP5A Operation and Maintenance Manual
________________________________________________________________________________________________________________
Copyright
©
2023
‐
2024
Halogen
Systems,
Inc.
All
rights
reserved
worldwide.
Rev.:
4.02
8
Plug
the
Display
into
a
120/240
VAC
receptacle.
4.3.1
Wiring for the M12
‐
8 connector for the 4
‐
20 mA outputs
4
‐
20mA
Output
Internal
Color
Code
PIN
Location
Output
Chlorine
Positive
(+)
White
1
1
Chlorine
Negative
(
‐
)
Brown
2
1
PSU
Positive
(+)
or
Conductivity*
Green
3
2
PSU
Negative
(
‐
)
or
Conductivity*
Yellow
4
2
Temperature
Positive
(+)
Gray
5
3
Temperature
Negative
(
‐
)
Pink
6
3
pH
Positive
(+)
Blue
7
4
pH
Negative
(
‐
)
Red
8
4
*May
be
configured
for
ORP
Figure
5:
Pin
Out
for
M12
‐
8
A
Code
connector
for
4
‐
20
mA
Outputs.
Note:
Output
2
(PSU)
is
set
by
default
but
can
be
changed
from
PSU
to
conductivity
or
ORP.
A
field
wire
able
connector
is
provided
for
use
with
output
cable
provided
by
installer.
The
pin
of
the
connector
to
mate
with
the
display
is
shown
about
in
Figure
5
.
Sensor
Connector
Communication
connector
M12
Female
Connector