Endress+Hauser Oxymax W COS61, Руководство по эксплуатации

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Wiring Oxymax W COS61
14 Hauser
4 Wiring
#
Warning!
• The electrical connection must only be carried out by an electrical technician.
• The electrical technician must have read and understood the instructions in this manual and must
adhere to them.
• Ensure that there is no voltage at the power cable before beginning the connection work.
4.1 Direct connection to the transmitter
• COS61 works with the additional 15 V power supply from Liquisys.
• Check the wiring or change the wiring as follows (see Operating Instructions COM223/253):
– Connect the yellow cable cores to terminal 85 (+15 V).
– Connect terminals 86 and 0 with an
additional gray wire.
4.1.1 Field installation
You connect the sensor directly to the transmitter (COM253-WX/WS) by means of the special
measuring cable with the SXP connector (
→
å
14).
4.1.2 Panel mounting
• Remove the SXP connector (transmitter side!) from the cable.
• Refer to the following table for the cable assignment and the assigned terminals for Liquisys M
COM223-WX/WS.
• Please note that the cable assignment changes depending on the sensor version (fixed cable or
TOP68 connection).
a0004118
Fig. 14: SXP connector
Terminal
COM223 Sensor with fixed cable (OMK) Sensor with TOP68 connection (CYK71)
Core Assignment Core Assignment
85 YE +U
B
YE +U
B
0, 86 GY 0 V WH 0 V
96 PK Comm. (digital) GN Communication (digital)
97 BU Comm. (digital) BN Communication (digital)
88 BN –U
B
Coax,
inner –U
B
Additional connection between terminals 86 and 0 of the transmitter necessary.