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Mycom S CPM 153
Endress+Hauser
4.3
Post connection check
After wiring up the electrical connection of the measuring instrument, carry out the
following checks:
Instrument status and specifications
Is the measuring instrument or the cable damaged externally?
Electrical connection
Does the supply voltage match the specifications on the
nameplate?
Do the cables used fulfil the required specifications?
Are the installed cables strain-relieved?
Is the cable type route completely isolated?
No loops and cross-overs in the cable run?
Are the power supply and signal cable correctly connected
according to the wiring diagram?
Are all the screw terminals tightened?
For connection with potential matching (PML):
Is the PML connected to the measuring medium?
Are all the cable entries installed, tightened and sealed?
Cable run with "water sag"?
Are all the housing covers installed and tightened?
4 Electrical connection
Note
Visual inspection
Notes
100 V ... 230 V AC long-range
24 V AC / DC
Use an original E+H cable for
electrode and sensor connec-
tion, see "Accessories".
Along the whole cable length,
run the power supply and signal
line cables separately to avoid
any mutual influence. Cable
channels are best.
!
Note!
During calibration, insert the
PML into the buffer solution.
"Water sag": cable circuit han-
ging down so that water can drip
off.
Check seals for damage.
19
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