Mitsubishi Electric FX3S Series User Manual page 95

FX /FX /FX
3S 3G 3GC
Built-in Positioning Functions
3. Zero return instruction with DOG search function (DSZR)
For this instruction, it is necessary to specify the maximum speed, bias speed, acceleration time, deceleration
time, zero return speed, and creep speed using the related devices.
Current value register = "0"
Zero-phase signal
(X000 to X007)
CLEAR signal
*1.
4. Zero return (ZRN) instruction
For this instruction, it is necessary to specify the maximum speed, bias speed, acceleration time, and
deceleration time using the related devices in addition to the zero return speed and the creep speed specified
by the operand of the instruction.
CLEAR signal
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/FX /FX PLC User's Manual - Positioning Control Edition
3U 3UC
For details on each setting item, refer to Subsection 4.2.3 to Subsection 4.2.8.
Creep speed
Initial value:
1,000 Hz
*1
20 ms + 1 scan time (ms)
X000 to X005 for FX PLC.
3S
For details on each setting item, refer to Subsection 4.2.5 to Subsection 4.2.8.
Creep speed
Rear end
20 ms + 1 scan time (ms)
search engine
For operation of DSZR instruction, refer to Section 6.2.
Deceleration time
Initial value:
100 ms
Maximum speed
Initial value:
100,000 Hz
DOG
Rear end Front end
1 ms or less
For operation of ZRN instruction, refer to Section 6.1.
Deceleration time
Initial value:
100 ms
Maximum speed
Initial value:
Zero return speed
S
2•
DOG
Front end
1 ms or less
4 Before Programming
4.2 Setting of Various Items Regarding Speeds
Acceleration time
Initial value:
100 ms
Zero return speed
Initial value: 50,000 Hz
Bias speed
Initial value: 0 Hz
Current position
Acceleration time
Initial value:
100 ms
100,000 Hz
•
S
1
Bias speed
Initial value: 0 Hz
Current position
A
B
Apx.
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