YASKAWA SGDS Sigma III Series, User Manual

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6.5 Command Data Field
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6.5 Command Data Field
This section describes command data in main commands and subcommands.
6.5.1 Latch Signal Field Specifications: LT_SGN
The latch signal field specifications (LT_SGN) can be designated using the following commands:
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