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TR-Electronic GmbH 2018, All Rights Reserved
11/12/2019
TR - ELA - BA - DGB - 0027 - 03
Page 143 of 167
6.3.4.7.11 Sensor Format (PNU 979)
This parameter contains information about the encoder type, the set resolution, shift factor and type of
position output.
PNU
979
Meaning
Sensor format
Data type
Array [n] Unsigned32
Access
read
Subindex
Meaning
0
Header: 0x0000 A112
Bits 0-3: Parameter structure version (LSB) = 2
Bits 4-7: Parameter structure version (MSB) = 1, corresponds to Version 4
Bits 8-11: Number of active sensor interfaces = 1 (G1)
Bits 12-15: Number of assigned subindices = 10 (G1)
Bits 16-31: reserved
1
Encoder type: 0xC000 0003
Bit 0 = 1: Linear encoder
Bit 1 = 1: After the supply is turned ON
G1_XIST1
is loaded with the absolute
value
Bit 2 = 0: Only 32-bit position data available
Bit 3-28: reserved
Bit 29 = 0: Data in PNU 979
G1
substructure are static
Bit 30 = 1: Validity of data in PNU 979
G1
substructure is static
Bit 31 = 1: Data in PNU 979
G1 substructure are valid
2
Resolution: 0x0000 03E8 (default value, see chap. 6.3.3.15.1 on page 125)
1000 nm = 1 µm
3
Shift factor for
G1_XIST1
: 0x0000 0000
0: no shift factor set
4
Shift factor for absolute value in
G1_XIST2
: 0x0000 0000
0: no shift factor set
5
Type of position output: 0x0000 0001
1: Position in
G1_XIST2
is output as absolute value
6-30
reserved
