3 Specifications
3 - 24
OMNUC G5-series (Pulse-train Input Type) AC Servomotors and Servo Drives User’s Manual
Pin 33: Pulse Prohibition Input (IPG)
This is the default allocation. Remember, however, that Command Pulse Prohibition Input Setting
(Pn518) is set to 1 (disabled) by default. Before using this signal, change the value set in Pn518 to 0
(enabled). The function allocated to the input terminals (CN1 pin 1 to 8, 9, 26 to 33) can be changed
using Input Signal Selection 1 to 10 (Pn400 to Pn409).
The Pulse Prohibition Input (IPG) can be allocated only to pin 33 (SI10). Otherwise, a Pulse Prohibition
Input Allocation Error (A337) will occur.
Function
This input signal enables to forcibly stop the command pulse input.
When this input signal is ON, the Servo Drive does not count pulses while ignoring the command
pulse input.
Pin 33: Internally Set Speed Selection 1 (VSEL1), Pin 30: Internally Set Speed Selection 2 (VSEL2),
Pin 28: Internally Set Speed Selection 3 (VSEL3)
This is the default allocation. Remember, however, that Command Speed Selection (Pn300) is set to 1
(enabled) by default. Change the value set in Command Speed Selection (Pn300) to 1 or 3 (enabled)
before attempting to change the internally set speed. The logic and allocation of input terminals (CN1
pin 1 to 8, 9, 26 to 33) can be changed using Input Signal Selection 1 to 10 (Pn400 to Pn409).
Function
The internally set speed function performs the speed control according to the internally set speed
value in the parameter.
You can select the desired motor speed from up to eight internally set speed values.
To use the internally set speed function, set the Zero Speed Designation Input (VZERO) to NC
contact (to achieve the zero command speed when the signal is OFF). By default, the Zero Speed
Designation Input (VZERO) is set to 0. Before using this signal, change the value set in Zero Speed
Designation Selection (Pn315) to 1 or 2 (enabled). (Unless Zero Speed Designation Selection is
enabled, the Servomotor will rotate at the speed set in Internally Set Speed 1 (Pn304) when the
servo is turned ON.)
Pulse Prohibition Input (IPG)
Internally Set Speed Selection 1, 2 and 3 (VSEL1, 2 and 3)
Pn300 set
value
VSEL1 VSEL2 VSEL3 Speed command selection
1 OFF OFF – Internally Set Speed 1 (Pn304)
ON OFF – Internally Set Speed 2 (Pn305)
OFF ON – Internally Set Speed 3 (Pn306)
ON ON – Internally Set Speed 4 (Pn307)
3 OFF OFF OFF Internally Set Speed 1 (Pn304)
ON OFF OFF Internally Set Speed 2 (Pn305)
OFF ON OFF Internally Set Speed 3 (Pn306)
ON ON OFF Internally Set Speed 4 (Pn307)
OFF OFF ON Internally Set Speed 5 (Pn308)
ON OFF ON Internally Set Speed 6 (Pn309)
OFF ON ON Internally Set Speed 7 (Pn310)
ON ON ON Internally Set Speed 8 (Pn311)
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