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3-1 Servo Drive Specifications
OMNUC G5-SERIES AC SERVOMOTOR AND SERVO DRIVE USER'S MANUAL
3
Specifications
Speed Command Sign Input (VSIGN)
No allocation: Speed command sign designation (VSIGN)
There is no allocation at default setting. Also, Speed Command Direction Selection (Pn301) is
set to disable (set value: 0). You can change the logics and allocations for input terminals (CN1
to 8, 9 and 26 to 33) according to the settings of Input Signal Selection 1 to 10 (Pn400 to 409).
Function
You can use this input to designate the rotation direction relative to the speed command.
If Speed Command Direction Selection (Pn301) is enable (set value: 1), the polarity of analog
command input and rotation direction at internal command speed become disabled.
*1.The motor rotation direction (CW, CCW) specified by the command direction is determined
by the setting of Pn000.
Pn301 set
value
Pn303 set
value
VSIGN
Analog speed command
(REF)
Speed command
direction
*1
0
0
Not
affected
+ Voltage (0 to 10 V) Forward direction
- Voltage (−10 to 0 V) Reverse direction
1
+ Voltage (0 to 10 V) Reverse direction
- Voltage (−10 to 0 V) Forward direction
1 Not affected
OFF
+ Voltage (0 to 10 V)
Forward direction
- Voltage (−10 to 0 V)
ON
+ Voltage (0 to 10 V)
Reverse direction
- Voltage (−10 to 0 V)
Pn301 set
value
VSIGN Internal command speed
Speed command
direction
*1
0 Not affected
+ (1 to 20,000 r/min) Forward direction
− (−20,000 to −1 r/min) Reverse direction
+ (1 to 20,000 r/min) Forward direction
− (−20,000 to −1 r/min) Reverse direction
1
OFF
Not affected
Forward direction
ON Reverse direction
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