7 Parameter Details
7 - 26
OMNUC G5-series (Pulse-train Input Type) AC Servomotors and Servo Drives User’s Manual
7-4 Analog Control Parameters
Explanation of Set Values
• Select the speed command in the speed control mode. The Servo Drive has the internally set speed
function that enables simplified speed control via contact inputs.
Explanation of Set Values
• This parameter reverses the polarity of the internally set speed command. It is used to change the
motor rotation direction with the polarity of the command signal from the host system intact.
• The default setting for this parameter is 0. By rotating to the reverse direction with the +command
keeps the compatibility with all OMNUC W-Series Servo Drives.
• If you configure a servo drive system which comprises a Servo Drive set to the speed control mode
and an external Position Control Unit, be sure that the polarity of the speed command signal from the
Position Control Unit matches the polarity set in this parameter. Otherwise, the Servomotor may
operate abnormally.
Pn300
Command Speed Selection
Setting
range
1 to 3 Unit – Default
setting
1
Cycle the
power supply
–
Set
value
Description
0 Reserved (Do not set.)
1 No. 1 Internally Set Speed to No. 4 Internally Set Speed (Pn304 to Pn307)
2 Reserved (Do not set.)
3 No. 1 Internally Set Speed to No. 8 Internally Set Speed (Pn304 to Pn311)
Pn301
Speed Command Direction Selection
Setting
range
0 to 1 Unit – Default
setting
0
Cycle the
power supply
–
Set value Description
0 Use the sign of the speed command (+: Forward, –: Reverse)
1 Use Speed Command Sign Input (VSIGN) (OFF: Forward, ON: Reverse)
Speed Command
Direction Selection
(Pn301)
Internally set speed
Speed Command
Sign Input (VSIGN)
Servomotor rotation
direction
0 0 to 20,000 No effect Forward direction
–20,000 to 0 No effect Reverse direction
1 0 to 20,000 OFF Forward direction
–2,000 to 0
0 to 20,000 ON Reverse direction
–20,000 to 0
Speed
Speed
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