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Pepperl+Fuchs WCS Series - Page 23

Pepperl+Fuchs WCS Series
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WCS* Read Head Position Encoding System
RS-485 Interface (LS1xx*, LS2xx*)
2020-01
23
Data protocol 3
Data protocol 3 with position and velocity output
Request byte for read head
Byte Bit 8 Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
PAR 1 0 0 F0 0 0 A1 A0
Response telegram from the read head
Byte Bit 8 Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Byte 1 PAR
0 0 A1 A0 0 DB OUT ERR
Byte 2 PAR
0 0 0 P18 P17 P16 P15 P14
Byte 3 PAR
0 P13 P12 P11 P10 P09 P08 P07
Byte 4 PAR
0 P06 P05 P04 P03 P02 P01 P00
Byte 5 PAR
Exclusive or link, byte 1 ... Byte 4
Request byte for read head
Byte Bit 8 Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
PAR 1 1 1 0 0 0 A1 A0
Response telegram from the read head
Byte Bit 8 Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Byte 1 PAR
0 SST A1 A0 0 DB OUT ERR
Byte 2 PAR
0 0 0 P18 P17 P16 P15 P14
Byte 3 PAR
0 P13 P12 P11 P10 P09 P08 P07
Byte 4 PAR
0 P06 P05 P04 P03 P02 P01 P00
Byte 5 PAR
0 SP6 SP5 SP4 SP3 SP2 SP1 SP0
Byte 6 PAR
Exclusive or link, byte 1 ... Byte 5

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