Endress+Hauser OxyMax W COS 31, Руководство по эксплуатации

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4 Wiring OxyMax W COS 41
14 Hauser
Connection diagram with
junction box
4.3 Post-connection check
After wiring up the electrical connection, carry out the following checks:
COS 41 Sensor
connecting
cable
Junction box
VBM
Special
measuring
cable
CYK 71
Transmitter
Liquisys M COM 223/253-DX/DS
Fig. 4.4: Connection diagram with junction box VBM
Instrument status and specifications Remarks
Are the sensor, assembly, junction box or cable damaged ? Visual inspection
Electrical connection Remarks
Does the supply voltage of the transmitter match the specifications on the
nameplate ? 100 V ... 230 V AC long-range
24 V AC / DC
Are the installed cables strain-relieved and not twisted ?
Is the cable type route completely isolated ? Power cable/weak current cable
Are the power supply and signal cable correctly connected to the
transmitter ?
Are all the screws terminals properly tightened ? Use the connection diagram of
COM 2x3.
Are all the cable entries installed, tightened and sealed ?
Are all the cable entries installed downwards or lateral ?
For cable entries lateral: cable loops downwards for water to be able to
drip off.
C07-COS41xxx-04-05-00-xx-002.EPS
A
K
NTC
BR BR
RD
GN
GN