8JSA54.EB050D200-0
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The 8JSA54.EB050D200-0 is a synchronous motor manufactured by B & R Automation. Part of the 8JS Synchronous Motors Series, it features a 25-bit resolution and employs EtherCAT as its output type. The motor has an absolute encoder and a maximum rotational speed of 6000 rpm.
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Product Description:
B & R Automation designs the 8JSA series motor 8JSA54.EB050D200-0 with a smooth shaft and an inbuilt oil seal. It features self-cooling mechanism through its thermal design classification of IC4A0A0 and its heat constant is 31 minutes to normalize in temperature by 50% from the present value. This motor can be mounted in both vertical and horizontal positions in accordance with IM3001, IM3011 and IM3031.
The 8JSA54.EB050D200-0 motor comes with an inductive EnDat 2.1 multi-turn encoder for accurate feedback, that features 12-bit multi-turn resolution and 4096 revolution period. The encoder provides a precision of 180 arcseconds and possesses a shock rating of 2000 m/s² along with a vibration tolerance of 200 m/s². The 8JS motor functions at a nominal speed of 5000 rev/minute and delivers a torque of 6.92 Nm in standard conditions. Its peak torque capacity is 53.9 Nm and possess a mechanical speeding range up to 6100 rev/minute. Its constant of torque is measured as 1.13 Nm for every ampere of current and the stator has an impedance of 0.65 Ohms. The 8JS motor has a rated voltage constant of 72.9 V/1000 rounds and its electrical constant stands at 5.4 ms to tackle current changes according to load.
The 8JSA54.EB050D200-0 motor has a moment of inertia value 12 kg·cm² and without a holding brake it has a mass of 9 kg. It operates on a 3x 400 to 480 ±10% VAC source, in an ambient thermal range of 5 to 40°C, up to 1000 meters of altitude and 0.95 RH. This 8JS motor utilizes 6.11 A of current along with a power of 3623 W in normal continuous mode but in full load scenario the maximum current draw reaches a value of 62.5 A, momentarily.
Frequently Asked Questions about 8JSA54.EB050D200-0:
Q: Why does the 8JSA54.EB050D200-0 motor use a smooth shaft with an oil seal?
A: The smooth shaft with oil seal minimizes mechanical wear and prevents contamination, making it ideal for cleanroom and sealing-critical environments.
Q: How does the IC4A0A0 thermal classification benefit the motor?
A: This classification ensures reliable self-cooling without external fans, allowing continuous operation in enclosed or space-limited installations.
Q: What advantage does the 12-bit multi-turn encoder provide in the 8JSA54.EB050D200-0 motor?
A: It allows the motor to track absolute position over 4096 revolutions, essential for accurate motion control in multi-axis applications.
Q: What is the significance of the motor’s shock rating of 2000 m/s²?
A: This rating ensures the 8JSA54.EB050D200-0 can withstand high mechanical stress in industrial environments with abrupt motion changes or impacts.
Q: Why does the 8JSA54.EB050D200-0 motor include a torque constant of 1.13 Nm/A?
A: This allows precise control of torque based on input current, ensuring predictable output in precision applications like pick-and-place systems.
