Function And Operation - Mitsubishi Electric Melsec-F FX3GC Series User Manual

FX /FX /FX /FX /FX
3S 3G 3GC 3U 3UC
Built-in Positioning Functions
6.2.3

Function and Operation

Command
input
FNC150
DSZR
 For details on the maximum speed, bias speed, acceleration time, and deceleration time, refer to
Current value register = "0"
Zero-phase signal
(X000 to X007) *1

S
2
CLEAR signal
*1. X000 to X005 for FX
1) For S , specify the near-point signal (DOG) input device number. To specify the logic of this near-
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
• Detection of (the rear end and the front end of) the near-point signal (DOG) will be affected by the input
filter and the scan time of the sequence program.
Secure 1 scan time or more from the rear end of the DOG to turning ON of the zero-point signal.
B - 102
PLC User's Manual - Positioning Control Edition
• •
S S
1 2
Creep speed
Initial value:
1,000Hz
Rear end
1 ms or less
20 ms + 1 scan time (ms)
PLC.
3S
"DOG signal logic
reverse" relay
M8345
= Y000
M8355
= Y001
M8365
= Y002
M8375
= Y003
6 Mechanical Zero Return - DSZR/ZRN Instruction
6.2 DOG Search Zero Return (DSZR 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.)
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