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PR-43-...-IA/AX/CU instruction manual
Document/Revision No.
IM-EN-PR43IAAX
/A
Effective: October 1, 2019
3.2 Mounting PR-43-...-AX system
The refractometer can be installed in a hazardous area up to Zone 2. Use either platform
cable PR-8430 or split cable PR-8431 as needed to connect the refractometer e.g. to a
DCS.
Connector cover
can be opened only with tool
8 pin M12, 8-pin
Acoded (F) connector
Power
Unclassified area
Zone 2
+White
-Brown
PR-43 sensor
Split cable
PR-8431
Platform 4 cable
PR-8430
mA-output
+ White
- Brown
White +24 VDC
Brown GND
max. 100 m (300 ft)
mA Output
Ethernet (M12 connector)
Figure 3.11
Installing a stand-alone PR-43-...-AX refractometer
The refractometer can also be connected to a Compact user interface CI (Figure 3.13)or
to a Multichannel user interface MI (Figure 3.14). The CI/MI is installed in the safe area
and connected to the refractometer with platform cable PR-8430.
Note:
An external mains switch must be installed for the MI.
Refractometer wiring must follow Figure 3.12 (stand-alone refractometer) or Fig-
ure 3.13 (refractometer with CI) or Figure 3.14 (refractometer with MI).