Nidec Control Techniques Digitax-SF DA2Z123 - Page 47

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4
2. Specications
3. Drive
Functions Specications
Item Specifications
Pulse Input
Control input
Servo ON, alarm reset, command input inhibit, emergency stop, position error counter clear, 2-
stage torque limit, CCW/CW run inhibit (limit switch input) , ABS data demand, homing start
Control output
Alarm status, servo status, servo ready, under torque limit, brake release,
positioning complete, motion complete, alarm, emergency stop brake release,
ABS data transmitting, homing complete
Maximum command pulse
frequency
RS-422 di󱐯erential：4 Mpps
Open-collector：200 kpps
Input pulse signal form
(*6)
Pulse + Direction, A-/B-phase quadrature encoder pulse, CW + CCW pulse
Command pulse-paired ratio
ratio A/B 1/1,000 < A/B < 1,000
Setting range A：1 to 65,535 B：1 to 65,535
Internal Position
Control input
Servo ON, alarm reset, position error counter clear, motion start point
selection 16, home position sensor input, homing start
Control output
Alarm status, servo status, servo ready, under torque limit, brake release,
homing complete, motion complete
Operation mode Point table, communication operation
Smoothing lter FIR Filter
Damping control Enabled
Position Control Mode
Item Specifications
Analog Velocity
Control input
Servo ON, alarm reset, command input inhibit (zero torque command),
2-stage torque limit, CCW/CW run limit switch inputs.
Control output Alarm status, servo status, servo ready, under torque limit, brake release
Speed command input Input voltage － 10 V to +10 V (max speed is reached at ± 10 V)
Internal Velocity
Control input
Servo ON, alarm reset, start 1 (CCW), start 2 (CW), 8-stage speed command
2-stage torque limit
Control output Alarm status, servo status, servo ready, under torque limit, brake release
Smoothing lter IIR Filter, FIR Filter
Velocity Control Mode
Digitax SF Instruction Manual