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8.3.1.10 Format signal 11: Position value 1, Sensor 1 (G1_XIST1)
Via signal G1_XIST1 the current incremental actual position of the measuring system is output
unsigned as a right-justified 32-bit binary value. After switching on of the supply voltage, at first the
signal G1_XIST1 is loaded with the absolute value. Depending on the direction of rotation, this value
is only incremented or decremented. An overflow is always produced only after 32 bits:
0xFFFFFFFF -> 0x00000000. In the default setting, the preset function has no influence on the
position output, see parameter Preset affects XIST1 on page 121. Depending on the setting of
the parameter Encoder Class 4 functionality, other parameter settings can also directly
affect the position output.
G1_XIST1, Unsigned32
Byte
X+0
Bit
31-24
– 2
31
Data
2
8.3.1.11 Format signal 12: Position value 2, Sensor 1 (G1_XIST2)
Via signal G1_XIST2 the current scaled absolute actual position of the measuring system is output
unsigned as a right-justified 32-bit binary value. However, the corresponding bits must be set in the
control words:
G1_STW: Bit 13 = 1, STW2_ENC: Bit 10 = 1
The preset function has a direct influence on the position output. Depending on the setting of the
parameter Encoder Class 4 functionality, other parameter settings can also directly affect
the position output.
If a measuring system error is present (G1_ZSW, bit 15 = 1), instead of the position a 16-bit error code
is transmitted in data bits 2
The measuring system remains in the error state until the cause of the error has been eliminated and
the error state has been acknowledged with the control word G1_STW Bit 15 = 0->1 edge.
G1_XIST2, Unsigned32
X+0
Byte
Bit
31-24
– 2
31
Data
2
8.3.1.12 Format signal 39: Position value 3, Sensor 1 (G1_XIST3)
Via signal G1_XIST3 the current scaled absolute actual position of the measuring system is output
unsigned as a right-justified 64-bit binary value. However, only 32-bit is supported at present, bits 2
63
to 2
are therefore set to 0. The preset function has a direct influence on the position output. For
parameter settings to be effective, Class 4 functionality must be enabled under the parameter
Encoder Class 4 functionality, see page 120.
G1_XIST3, Unsigned64
Word
X+0
Bit
63-48
– 2
63
Data
2
Printed in the Federal Republic of Germany
07/21/2022
X+1
23-16
– 2
24
23
2
0
15
to 2
, see page 144.
X+1
23-16
– 2
24
23
2
X+1
47-32
– 2
48
47
2
TR-ECE-BA-DGB-0132 v21
X+2
15-8
– 2
16
15
2
X+2
15-8
– 2
16
15
2
X+2
31-16
– 2
32
31
2
X+3
7-0
– 2
8
7
2
X+3
7-0
– 2
8
7
2
X+3
15-0
– 2
16
15
2
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