BTL6-V11V-M _ _ _ _ -A1-S115
Magnetostrictive Linear Position Sensor – Profile 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:
Adress (hex)
0000
Status
Bit 0: Error
Bit 1: Busy
Bit 3...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: Num of magnets
Bit 31...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 mapped 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.
10
english
Description
Size (byte)
Format
Dimension
4
bit
4
dword
4
dword
4
dword
4
dword
4
bit
Description of Config register:
–
Num 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 DO calibration data (see
configuration guide).
Access type
r
inc
r
inc
r
inc
r
inc
r
r/w
Reset
0
0
0
0
0
1