M.1301.3911

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The M.1301.3911 is a servo cable designed for optimal performance with three-phase AC input voltage of 200-480 VAC. Manufactured by Kollmorgen as part of the Kollmorgen Servo Cables series, it supports continuous output currents of up to 36.5 A and peak currents of up to 73.0 A. It features 8 optically isolated digital inputs.

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Product Description:

Kollmorgen created the M.1301.3911 servo cable assembly, and this unit comes ready for an AC input voltage range from 200 VAC up to 480 VAC.

It can handle voltages from 180 VAC to 528 VAC for sure. This product operates between 47 and 63 Hz power cycles, making it accessible to global power grid systems. This unit accepts 24 VDC power input, which needs 1050 mA of ongoing current, yet 4 A for 10 milliseconds during startup. Each drive size has a specific continuous output current range but can produce higher peak output currents. The size 3 drive offers 36.5 A continuous and 73.0 A peak output levels. The system can work with shunt resistances when it needs to dissipate excess energy. A size 3 drive needs at least 22 ohms of resistance to operate, but can handle up to 29 kW of shunt power safely. This equipment provides 44 Joules of absorption energy when running on a 460V motor's power input. The device generates between 0 and 8 kW continuous power depending on how the drive and motor settings are set. The system runs properly between 0°C and 50°C and stores safely between -30°C and 70°C.

The entire drive and cable assembly of this model measures 15.9 kilograms (35 pounds) based on certain specifications. With eight isolated digital inputs and four isolated digital outputs, the drive system provides 24V DC digital functions that protect against short circuits and overload in all measurement parameters. The drive handles torque or velocity control signals over the ±10 V voltage range at a resolution level of 14 bits. The drive system employs three-phase sinusoidal electrical switching through space vector modulation and includes fast control loops of 125 µs PI current regulation and 250 µs PID velocity regulation.

AC Input Frequency
47-63 Hz
AC Input Voltage Limits
180-528 VAC
AC Input Voltage Nominal
200-480 VAC
Analog Input Resolution
14-bit (±10 V)
Commutation Method
3-phase sinusoidal SVM
Continuous Output Current (size 3)
36.5 A (0-peak)
Continuous Power Output
Up to 8.0 kW
Current Regulator Update Rate
125 µs
DC Input Inrush Current
4 A (10 ms)
DC Input Typical Current
1050 mA
Digital Inputs
8 x 24 V DC opto-isolated
Digital Outputs
4 x 24 V DC opto-isolated (short-circuit protected)
Energy Absorption Capability
Up to 44 J (460 V input)
External Shunt Power (size 3)
29 kW
External Shunt Resistance (size 3)
22 Ω
Operating & Storage Temperature
0-50 °C op; -30-70 °C storage
Peak Output Current
Up to 73 A (0-peak)
Physical Weight
35 lbs (15.9 kg)
Velocity Regulator Update Rate
250 µs

Frequently Asked Questions about M.1301.3911:

Q: What voltage ranges are supported by the M.1301.3911?

A: The M.1301.3911 handles AC voltages from 180 VAC to 528 VAC and operates across 47 to 63 Hz, making it compatible with global industrial power grids.

Q: What are the power input and startup current requirements for the M.1301.3911?

A: The M.1301.3911 requires 24 VDC input at 1050 mA for continuous operation and draws 4 A for 10 milliseconds during startup sequences.

Q: Does the M.1301.3911 support energy dissipation through shunt resistors?

A: Yes, the M.1301.3911 can work with shunt resistors; for a size 3 drive, it requires a minimum of 22 ohms and can safely dissipate up to 29 kW.

Q: What kind of control signals does the M.1301.3911 accept?

A: The M.1301.3911 handles analog torque or velocity control signals in the ±10 V range, with 14-bit resolution for accurate feedback and response.

Q: What environmental conditions can the M.1301.3911 operate under?

A: The M.1301.3911 operates between 0°C and 50°C and can be stored between -30°C and 70°C, ensuring reliability across industrial conditions.


Internal Product Review

  • ‘‘The M.1301.3911 is built for tough industrial tasks requiring efficient power handling and signal accuracy. With durable construction and strong protective features, it’s a smart fit for high-performance servo control systems.’’

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