WCS* Read Head Position Encoding System
PROFINET Interface (LS6xx*)
2020-01
59
8.4 Data Protocols
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
Modules with response telegram
The following modules enable read head data to be retrieved using PROFINET.
Position Data X Module
Response
Size Type Content
2 words, consis-
tent
Input data 32-bit X data
MSB first
MSB = most significant byte
Resolution: 0.8 mm, binary coded
L
max =
314.5 m = 314500 mm
Bit no.
Content
Word 1
X data
Word 2
X data
1 XP16 XP00
2 XP17 XP01
3 XP18 XP02
4 0 XP03
5 0 XP04
6 0 XP05
7 0 XP06
8 0 XP07
9 0 XP08
10 0 XP09
11 0 XP10
12 0 XP11
13 0 XP12
14 0 XP13
15 0 XP14
16 0 XP15
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