2020-01
54
WCS* Read Head Position Encoding System
PROFINET Interface (LS6xx*)
8 PROFINET Interface (LS6xx*)
The WCS3B-LS6xx* read heads are PROFINET I/O devices that communicate cyclically with
the assigned PROFINET I/O controller during operation.
The PROFINET interface of the WCS3B-LS6xx* read heads supports:
• A transfer rate of 100 Mbit/s
• The real-time category RT
• The range of functions in accordance with Conformance Class B
• The identification and maintenance functions (I&M) IM0 – IM4
8.1 Electrical Connection
Connection diagram for WCS3B read head
The WCS3B-LS6* read head is connected to PROFINET and the power supply via an 8-pin
M12 socket with Y encryption.
Figure 8.1 WCS3B, PROFINET interface
Pins 6 and 8 are reserved for an internal interface and are connected to ground (-UB).
Caution!
Property damage and system malfunctions due to incorrect pinout
Incorrect assignment of the wire pairs to the respective pins can result in property damage and
system malfunctions.
• Note the assignment of the wire pairs to the pins as shown in the respective wiring dia-
grams.
1
2
3
4
13
4
5
2
6
7
8
5
6
7
8
TX +
TX -
RX +
RX -
-UB
reserved
+UB
reserved
Interface
Note
A shielded twisted pair cable that meets at least the CAT 5e/CAT 6 specification is used to
connect the read head to the control panel. The maximum recommended cable length is 75 m
for CAT 5e and 55 m for CAT 6. Longer distances are possible provided that the respective
specifications are observed. The connection can be implemented with various cable
connections available from Pepperl+Fuchs.
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