Omron G5 Series User Manual page 362

7 Parameter Details
Pn311 No. 8 Internally Set Speed
Setting –20,000 to 20,000
range
• If you enabled a range of Internally Set Speed settings in Command Speed Selection (Pn300), set in
units of r/min the first to fourth internally set speeds in Pn304 to Pn307 or the fifth to eighth internally
set speeds in Pn308 to Pn311.
• The +/– sign prefixed to the set value indicates the polarity of the internally set speed command.
+ Forward when viewed from shaft end
– Reverse when viewed from shaft end
• The absolute value of this parameter setting is limited by the value set in Overspeed Detection Level
Setting (Pn513).
Pn312
Soft Start Acceleration Time
Setting 0 to 10,000
range
Pn313
Soft Start Deceleration Time
Setting 0 to 10,000
range
• Set the acceleration/deceleration speed applied inside the Servo Drive to control the motor speed.
• The soft start function can be used with stepwise speed command input or internal speed settings.
• If the Servo Drive is used in combination with an external position loop, do not set these acceleration
and deceleration time parameters. (Set both Pn312 and Pn313 to 0.)
Internally
set speed
Speed
Acceleration time
Pn314 S-curve Acceleration/Deceleration Time Setting
Setting 0 to 1,000
range
• Set the pseudo S-curve acceleration/deceleration value to add to the speed command to enable
smooth operation. This is useful for applications where impact may occur due to a large change in
acceleration or deceleration when the Servomotor starts or stops with linear acceleration or
deceleration.
ts ts
ta
7 - 28
Unit
Unit ms/(1,000 r/min)
Unit ms/(1,000 r/min)
1,000 r/min
Deceleration time
Unit
1. Set the acceleration time and the deceleration time for the basic
straight-line portion in Pn312 and Pn313.
2. Set the acceleration/deceleration time (in units of 2 ms) for the S-curve
portion in Pn314 as the duration centered at the inflection point of the
linear acceleration/deceleration.
ts ts
Use the following settings.
ta: Pn312
td: Pn313
td
ts: Pn314
OMNUC G5-series (Pulse-train Input Type) AC Servomotors and Servo Drives User's Manual
r/min Default
setting
Default
setting
Default
setting
ms Default
setting
td ta
> ts, and > ts.
2 2
Speed
0 Cycle the –
power supply
Speed
0 Cycle the –
power supply
Speed
0 Cycle the –
power supply
Speed
0 Cycle the –
power supply