3-24
3-1 Servo Drive Specifications
3
Specifications
Reverse Drive Prohibit Input (NOT) and Forward Drive Prohibit Input (POT)
Pin 8: Reverse Drive Prohibit Input (NOT)
Pin 9: Forward Drive Prohibit Input (POT)
Functions
• These inputs are used to prohibit driving in the forward and reverse directions.
• If the Drive Prohibit Input Selection (Pn04) is set to 1, both inputs will be disabled.
• The Stop Selection for Drive Prohibition Input (Pn66) changes the operation when these inputs are
enabled.
Speed Command Input (REF) or Torque Command Input (TREF1)
Pin 14: Speed Command Input (REF) or Torque Command Input (TREF1)
Pin 15: Analog Input Ground (AGND)
Functions
• Speed Control Mode
Pin 14 is the Speed Command Input when the Control Mode Selection (Pn02) is set to 1 (Speed
Control). Use the Speed Command Scale (Pn50) to set the rotation speed scale for the command
input.
• Torque Control Mode
Pin 14 is the Torque Command Input when the Control Mode Selection (Pn02) is set to 2 (Torque
Control). The input gain, polarity, offset, and filters can be set for the torque command.
RUN Command Input (RUN)
Pin 29: RUN Command Input (RUN)
Functions
• This input turns ON the power drive circuit for the main circuit of the Servo Drive. If this signal is
not input (i.e., servo-OFF status), the Servomotor cannot operate.
Deviation Counter Reset Input (ECRST)
Pin 30: Deviation Counter Reset Input (ECRST)
Functions
• Position Control Mode
The value of the deviation counter will be reset when the deviation counter reset input turns ON.
The condition for resetting is selected in the Deviation Counter Reset Condition Setting (Pn4E).
The pulse width of the Deviation Counter Reset Signal must be at least 100 μs.
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