S20360-CNS

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The Kollmorgen S20360-CNS AC servo drive delivers peak output currents up to 9 A and 3000 VA power. It handles regenerative braking efficiently with continuous dissipation at 640 W.

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Product Description:

Kollmorgen is a well known manufacturer specializing in motion control solutions including motors, drives and servo systems. Their extensive product range features high performance servo drives, stepper motors and motion controllers widely used in industrial automation and robotics applications.

The S20360-CNS AC servo drive is designed for precision motion control applications. It offers a peak output current of 9 A and can handle continuous output currents up to 4.5 A at ambient temperatures of up to 30 degrees C. The drive supports input voltages of 240 VAC and operates efficiently in a 3-phase system with a peak output power of 3000 VA. It is also capable of handling peak regenerative power up to 6.4 kW with continuous regeneration at 640 watts. This makes it suitable for applications requiring high speed dynamic braking. The unit operates at a high output current ripple frequency of 20 kHz. The drive's regen capability is 10 % duty cycle at 25 degree centigrade that ensures safe energy dissipation during braking. It's also compatible with various motor types accommodating inductance from 2.5 to 150 mH.

The S20360-CNS AC servo drive has a compact design with dimensions of 175.0 mm height, 54.8 mm width, and 131.6 mm depth. The unit's maximum motor power cable length extends to 50 meters depending on the cable gauge. Its operating temperature ranges from 0 to 40 degrees C with derating up to 50 degrees C and it is designed for use at altitudes up to 1500 meters. The drive also features high performance velocity loop compensation parameters offering precise control with a bandwidth of 400 Hz and resolution of 0.558 rpm for serial commands. Its rugged build allows for operation in humidity up to 90 %.

Bus Capacitance Energy Absorption
15.5 Joules
Continuous Output Current
4.5 A
Drive Continuous Output Power (240 VAC)
1100 W
Manufacturer
Kollmorgen
Minimum Motor Inductance
2.5 mH
Minimum Peak Current Time
3 s
Output Current Ripple
20 kHz
Peak Output Current
9 Amp
Peak Output Power (240 VAC)
3000 VA
Product Type
AC Servo Drive
Series
S200
Shunt Regulator Peak Power
6.4 kW at 25 degree centigrade
  • S20360CNS
  • S20-360CNS
  • S20-360-CNS
Symptom / LED blink code Likely cause First corrective action
Status LED OFF – drive appears dead Control-power input J1-1 not energised or < 10 V DC Check the 24 V (10-90 V) control-supply wiring/fuse and measure ≥ 10 V at J1-1/J1-2 before re-applying enable.
2 blinks – Motor Over-Temp Winding PTC ≥ 155 °C: high ambient, blocked airflow, or duty-cycle above motor rating Let motor cool, clear fan/shroud, compare load to motor’s continuous current spec before restarting.
3 blinks – Drive over/under-temp Heatsink > 100 °C or < 0 °C; cabinet fan or filter clogged Keep cabinet 0-45 °C, clean/replace drive fan or filter, then reset.
4 blinks – Drive I·t too high RMS output current exceeded thermal map (heavy accel, stalled axis) Lengthen accel/decel ramps; check for mechanical jams; verify inertia match.
5 blinks – Motor I²t too high Average shaft load above motor’s continuous torque Lower continuous torque demand or move to higher-torque motor; clean motor cooling path.
6 blinks – Battery low (only when Smart Feedback Device battery fitted) SFD back-up cell < 3 V Replace coin-cell, reset drive, and clear fault log.
7 blinks – Bus over-voltage DC bus pumped > 410 V by regen energy or mains surge Ohm-check/size brake resistor, soften decel ramp, verify line voltage.
8 blinks – Bus under-voltage Brown-out or undersized AC supply Measure bus while accelerating; stiffen mains, add line reactor, or larger transformer. 
9 blinks – Motor phase short Phase-to-phase/ground short in cable or winding; coolant in MS connector Insulation-test (> 500 MΩ), dry or replace cable/connector, inspect motor. 
10 blinks – Output over-current Instantaneous current > 9 A peak (drive limit) – crash stop or jam Remove mechanical jam, lower peak-torque limit, then reset. 
Model Supply input Cont./Peak current (A RMS) Field-bus / option card Typical use-case highlight
S20360-CNS 120/240 VAC 1-/3-φ 9-Mar CANopen Position-Node Mid-power axes needing PLC-based CANopen control 
S20260-CNS 120/240 VAC 1-/3-φ 1.5 / 4.5 CANopen Position-Node Lower-torque AKM or PacSci motors on light pick-&-place axes
S20330-CNS 20-90 V DC 9-Mar CANopen Position-Node Battery- or bus-powered mobile/AGV applications needing DC input 
S20360-DNS 120/240 VAC 1-/3-φ 9-Mar DeviceNet Position-Node Same power as reference when the host network is DeviceNet 
S20360-VTS 120/240 VAC 1-/3-φ 9-Mar FireWire (IEEE-1394) / Analog VT High-bandwidth FireWire or standalone torque/velocity loops for lab rigs
S20630-CNS 20-90 V DC 18-Jun CANopen Position-Node Doubles current for large DC-bus machines or 48 V battery platforms 
LED blink-count Fault name Meaning
2 blinks Motor Over-Temp Winding PTC ≥ 155 °C
3 blinks Drive Over / Under-Temp Heatsink > 100 °C or < 0 °C
4 blinks Drive I·t Too High RMS current-time product exceeded
5 blinks Motor I²t Too High Average shaft load above motor limit
6 blinks Battery Low Smart-Feedback battery < 3 V
7 blinks Bus Over-Voltage DC bus > 410 V during regeneration
8 blinks Bus Under-Voltage DC bus sagged below minimum
9 blinks Motor Phase Short l-l or l-g fault detected at enable
10 blinks Output Over-Current Instantaneous current spike beyond 9 A peak
11 blinks Hall / Resolver Fault Illegal Hall sequence or feedback loss

Frequently Asked Questions about S20360-CNS:

Q: What are the voltage specifications for the S20360-CNS AC servo drive?

A: The S20360-CNS AC servo drive supports a 3-phase input voltage of 240 VAC. It efficiently operates in industrial environments, providing precise control with high-performance velocity loop compensation.

Q: How much regenerative power can the S20360-CNS handle?

A: The S20360-CNS can manage peak regenerative power up to 6.4 kW. It also handles continuous regeneration at 640 watts, making it suitable for high-speed dynamic braking applications.

Q: What motor compatibility does the S20360-CNS AC servo drive offer?

A: The S20360-CNS drive accommodates motors with inductance between 2.5 and 150 mH. This flexibility makes it ideal for various motion control setups, including those with diverse motor types.

Q: What are the environmental specifications for the S20360-CNS?

A: The S20360-CNS operates at temperatures from 0 to 40 degrees C with derating up to 50 degrees C. It's designed for altitudes up to 1500 meters and can handle humidity levels of up to 90 %.

Q: What are the size and cable length specifications for the S20360-CNS?

A: The compact S20360-CNS measures 175.0 mm in height, 54.8 mm in width, and 131.6 mm in depth. It supports motor power cable lengths up to 50 meters, depending on cable gauge.


Internal Product Review

  • ‘‘The Kollmorgen S20360-CNS AC servo drive is ideal for demanding applications with a 9 A peak current, a compact 175 mm height, and operation up to 1500 meters. Its robust build supports motor cable lengths up to 50 meters and efficient braking with 10 % duty cycle regeneration.’’

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