Balluff BTL6-V1 E-M Series, Руководство пользователя

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6.1 Device profile
The EtherCAT
®
bus is an industrial real-time bus system
based on IEEE 802.3 100TX standard Ethernet
technology.
6.1.1 Process image
Fig. 6-1: Process image
Description of the BTL status:
– Bit 0: Error
If no error has occurred, the bit is at null (normal case).
This bit is set if the detected number of magnets is less
than the expected number of magnets.
– Bit 4...6: Number of magnets detected
This bit field indicates the number of magnets.
Examples:
0 (no magnet) ‘000’
1 ‘001’
2 ‘010’
3 ‘011’
etc.
– Bit 7: Too many magnets detected
This bit is mapped if the detected number of magnets
is greater than the number of magnets entered in the
Config register.
6
Device profile
Note, tip
The device description XML file can be
downloaded from www.balluff.de. The file must
be installed before usage.
Description of the Cycle_Index register:
The Cycle_Index register is a free running 16 bit counter. It
counts in every measurement cycle.
Description of the Position_1 register:
The Position_1 register is a 32 bit integer value (DINT). It
contains the actual position value in μm.
Description of the Position_2 register:
The Position_2 register contains the position value of the
second magnet (BTL6-V1
2
E-...). The register format is
identical with that in the Position_1 register.
Fig. 6-2: Position_2 register
BTL6-V1 _ E-M _ _ _ _ -A1-S115
Micropulse AT transducer in round profile housing