Function And Operation - Mitsubishi FX3G Series User Manual

FX /FX /FX PLC User's Manual - Positioning Control Edition
3G 3U 3UC
Built-in Positioning Functions
6.2.3

Function and Operation

Command
input
FNC 150
DSZR
→ For details on the maximum speed, bias speed, acceleration time, and deceleration time, refer to
Current value register = "0"
Zero-phase signal
(X000 - X007)
•
S
2
CLEAR signal
1) For , specify the near-point signal (DOG) input device number. To specify the logic of this near-
S
1
point signal (DOG), turn the "DOG signal logic reverse" relay on or off as shown in the following table.
Pulse output
destination device
D
1
D
1
D
1
D
1
• When an input (X000 to X017)
, the rear end of the near-point signal (DOG) will be monitored (detected) at 1-ms intervals
S
1
(interruption).
Under the following condition, however, monitoring (detection) of the near-point signal (DOG) rear end
will be affected by the input constant or the scan time of the sequence program:
- An input number of X020 or below (or other device (auxiliary relay, etc.)) is specified.
*1. Specify X000 to X007 for FX
Specify X000 to X007 for FX
B - 90
• •
S S
1 2
Creep speed
Initial value:
1,000Hz
Rear end
1 ms or less
20 ms + 1 scan time (ms)
"DOG signal logic
reverse" relay
M8345
= Y000
M8355
= Y001
M8365
= Y002
M8375
= Y003
*1
from the main unit is used for the near-point signal (DOG)
-16M , FX
3U
PLC (main unit).
3G
6 Mechanical Zero Return (DSZR/ZRN Instruction)
• •
D D
1 2
Deceleration
time
Initial value:
100 ms
Maximum speed
Initial value: 100,000Hz
S
DOG
1•
Front end
OFF: Positive logic (Turning on the input will turn on the
near-point signal.)
ON: Negative logic (Turning off the input will turn on the
near-point signal.)
-16M .
3UC
6.2 DOG Search Zero Return (DSZR Instruction)
Subsection 4.2.5 to Subsection 4.2.8.
Acceleration
time
Initial value:
100ms
Zero return speed
Initial value: 50,000Hz
Bias speed
Initial value: 0Hz
Description