4.5 Command Data Field
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4.5
Command Data Field
This section describes command data in main commands and subcommands.
4.5.1
Latch Signal Field Specifications: LT_SGN
The latch signal field specifications (LT_SGN) can be designated using the following com-
mands:
LATCH, EX_POSING, ZRET, LTMOD_ON
The latch signal field is used to select latch signals for position data, with the second byte of
the above main commands, or the eighteenth byte reserved area of the subcommands.
Refer to the following table for details on bit allocation.
Latch Signal Field
Latch Signal Selection
• EXT1, EXT2, and EXT3 must be allocated to the CN1 input signal using parameter Pn511. If they
are not allocated, the latch operation will be undefined.
• The latch operation will also be undefined if phase C is selected for a fully closed encoder that
does not use phase C.
D7
D6
D5
D4
D3
D2
D1
D0
0
0
0
0
0
0
LT_SGN
D1
D0
Latch Signal
0
0
Phase C
0
1
EXT1
1
0
EXT2
1
1
EXT3
INFO
