FX
3G
/FX
3U
/FX
3UC
PLC User's Manual - Positioning Control Edition
Built-in Positioning Functions
8 1-Speed Positioning - DRVI/DRVA Instruction
8.3 Drive To Absolute - DRVA Instruction
B - 120
2. Special data registers
The following table shows the related special data registers. Note that Y000, Y001, Y002, and Y003 are
devices that determine the pulse output destinations.
*1. Y002 is not available in 14-point and 24-point type FX3G PLC.
*2. Devices related to Y003 (pulse output destination) are only valid if two FX3U-2HSY-ADP adapters are
connected to the FX3U PLC.
Device number Function Data
length
Default
value Refer to
Y000 Y001 Y002*1 Y003*2
D8340 Low-
order D8350 Low-
order D8360 Low-
order D8370 Low-
order Current value register
(PLS) 32-bit 0 Subsection
4.4.1
D8341 High-
order D8351 High-
order D8361 High-
order D8371 High-
order
D8342 D8352 D8362 D8372 Bias speed (Hz) 16-bit 0 Subsection
4.2.6
D8343 Low-
order D8353 Low-
order D8363 Low-
order D8373 Low-
order Maximum speed (Hz) 32-bit 100,000 Su bsection
4.2.5
D8344 High-
order D8354 High-
order D8364 High-
order D8374 High-
order
D8345 D8355 D8365 D8375 Creep speed (Hz) 16-bit 1000 Subsection
4.2.4
D8346 Low-
order D8356 Low-
order D8366 Low-
order D8376 Low-
order Zero return speed (Hz) 32-bit 50,000 Subsection
4.2.3
D8347 High-
order D8357 High-
order D8367 High-
order D8377 High-
order
D8348 D8358 D8368 D8378 Acceleration time (ms) 16-bit 100 Subsection
4.2.7
D8349 D8359 D8369 D8379 Deceleration time (ms) 16-bit 100 Su bsection
4.2.8