Device Profile; Memory Address Space Mapping - Balluff BTL6-V11V-M Series User Manual

BTL6-V11V-M _ _ _ _ -A/B/Y/Z(8)-S115
Micropulse Transducer - Rod Style
6

Device profile

6.1 Device profile
The VARAN bus is an industrial real-time bus system
based on the IEEE 802.3 100TX Standard Ethernet
technology.
6.1.1

Memory address space mapping

The registers are assigned to following memory spaces:
Address (hex) Description
0000 Status
Bit 0: Error
Bit 1: Busy
Bit 3 to 2: Reserved
Bit 6...4: Stop detected
Bit 7: Stop overflow
Bit 31...6: Reserved
0004 Result position 1
0008 Result position 2
000C Result position 3
0010 Result position 4
003C Config
Bit 2...0: No. of magnets
Bit 31 to 3: Reserved
Tab. 6-1: Memory assignment
Description of status register:
– Error: This bit is set if the number of detected stops is
less than the number of magnets entered in the Config
register.
– Busy: This bit is always 0.
– Stop detected: This bit field indicates the number of
magnets. For example, "001" means that 1 stop was
detected.
– Stop overflow: This bit is set if the number of detected
stops is more than the number of magnets entered in
the Config register.
– Reserved bits (bit 2, bit 3) in LSB are always 0.
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Size (byte) Format
4 bit
4 dword
4 dword
4 dword
4 dword
4 bit
Description of Config register:
– No. of magnets: This bit field must be set to the
number of magnets installed on the BTL. For example,
"001" means that 1 magnet was installed. The default
value is 1 magnet. The maximum can be read out from
the calibration data DO (see configuration guide).
Dimension Access type
r
inc r
inc r
inc r
inc r
r/w
english
Reset
0
0
0
0
0
1
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