Minox i Oxygen Transmitter User Manual
ProcessSensing.com
7
2.2.3 Electrical connection
Figure 6. Typical connection cable wiring
The Minox i oxygen transmitter operates using a 2-wire industry-standard 4...20 mA loop-pow
-
ered supply which you must provide.
Once the Minox i is connected to your process, it is ready to be connected to your power sup
-
ply. To do this:
1. Align the pins in the Minox i electrical signal connector with the M12 mating connector on
the cable.
The cable connector can then be gently pushed into place.
2. Rotate the fastener clockwise until finger tight. Your Minox i oxygen transmitter is now
connected. A pulsing red LED will indicate it is operating correctly.
A suitable galvanic isolation barrier is required if the Minox
i is located in an Ex area.
Consult the EC-type examination certificate Baseefa19atex0200
for Parameter Matching.
Pin
1
2
3
4
Function
+24 V DC (loop in)
-VE (loop out signal)
No connection
No connection
Brown
White
#Blue
#Black
+24 V
Loop
sensing
element
0 V
Suitable isolation
barrier
Suitable
PLC / loop supply
+
+
-
-
NOTE:
1. The above equipment to be supplied by
2. A suitable 4...20 mA loop-power source/
measurement circuit is required.
A typical representation is shown above.
I.S.
output
non
output
I.S.
# Additional cores/colors available
when standard 4-core cable supplied
with the Minox i
customer.
M12 connector on Minox i
1
2
Minox i
Cable
(right-angled or straight)
with M12 mating connector
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