Endress+Hauser Memosens COS51E, Руководство по эксплуатации

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Electrical connection Memosens COS51E
22 Hauser
6 Electrical connection
L
WARNING
Device is live!
Incorrect connection may result in injury or death!
‣
The electrical connection may be performed only by an electrical technician.
‣
The electrical technician must have read and understood these Operating Instructions
and must follow the instructions contained therein.
‣
Prior to commencing connection work, ensure that no voltage is present on any cable.
6.1 Connecting the sensor
The electrical connection of the sensor to the transmitter is established using the
measuring cable CYK10.
GN/YE
YE
GN
BN
WH
GND
+
–
Com A
Com B
GY
A0024019
 18 Measuring cable CYK10
6.2 Ensuring the degree of protection
Only the mechanical and electrical connections which are described in these instructions
and which are necessary for the required, designated use, may be carried out on the device
delivered.
‣
Exercise care when carrying out the work.
Otherwise, the individual types of protection (Ingress Protection (IP), electrical safety, EMC
interference immunity) agreed for this product can no longer be guaranteed due,
for example to covers being left off or cable (ends) that are loose or insufficiently secured.
6.3 Post-connection check
Device health and specifications Action
Is the outside of the sensor, assembly or cable free
from damage?
‣
Perform a visual inspection.
Electrical connection Action
Are the mounted cables strain-relieved and not
twisted?
‣
Perform a visual inspection.
‣
Untwist the cables.
Is a sufficient length of the cable cores stripped, and
are the cores positioned in the terminal correctly?
‣
Perform a visual inspection.
‣
Pull gently to check they are seated correctly.
Are all screw terminals tightened?
‣
Tighten the screw terminals.
Are all cable entries mounted, firmly tightened and
leak-tight?
‣
Perform a visual inspection.
In the case of lateral cable entries:
‣
Point cable loops downward so that water can drip
off.
Are all cable entries mounted on the side or pointing
downwards?