6 connection of remote sensors – KROHNE OPTIMASS with MFC 300 EN User Manual
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Warning:
The signal converter MUST be properly grounded to avoid shock hazard.
After connecting the power supply, close the plastic cover MUST as shown.
For installations in hazardous areas, reference MUST also be made to the guidlines for the use
of coriolis meters in hazardous areas
9.6 Connection of Remote Sensors
The OPTIMASS meter can be supplied as a remote meter with up to 300m (1000ft) distance
between sensor and converter.
Sensor end (All Housings)
1. Uscrew the fixing screw on the junction box cover.
2. Release the two fixing screws holding the cable grip in place and remove the grip.
3. Strip approx. 50mm of the outer casing of the signal cable.
4 Split the screen away from the cores and fold it back on the outer cable
5 Fit the cable grip and secure, making sure that the screen is gripped under the grip.
6. Connect the four cores to the terminals marked A, B, +, - as shown
NOTE: The spring loaded connections are released by depressing the white lever above each
conne
ection
-
12V
+
B A
1
3
4
2
1
Cable Gland
2
Cable Grip/Earth
3
Terminal Connections
4
Jumper Connections
Remote Junction Box (Sensor End)