BL-MS125E-30T
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The BL-MS125E-30T servo motor features 16 digital inputs with optical isolation and a response time of less than 1 millisecond. Manufactured by Okuma as part of the BL Servo Motors series, it operates at an input voltage of 24 VDC. The motor supports a temperature range of -25°C to +60°C.
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Product Description:
The model number BL-MS125E-30T belongs to a servo motor that is designed and produced by Okuma. The model is specially designed to perform motion related tasks in various industrial automation facilities.
The BL-MS125E-30T servo motor operates at a rated frequency of 100 Hz which indicates it is designed for AC input frequency. It uses external fins to dissipate heat naturally into the air without a fan which is a passive method that relies on surface area and airflow. It has an OKUMA ER encoder which provides feedback to the controller about the position, speed, or direction of the shaft which is essential for precise motion control. The module has an operating voltage of 167 V which is likely peak line to line voltage for a 3 phase AC system. Its stator windings are connected in a "Y" or star configuration which affects current distribution and voltage per winding and gives better efficiency and higher torque at lower speeds. The module has a rotational speed of 3000 rpm which is a typical high-speed range for servo motors and good for fast positioning or machining tasks.
The BL Servo Motors series module is designed to produce 13.5 Nm when it is not rotating. The outer casing of the module is made from cast iron which is durable and vibration resistant. It functions on a 3-phase AC supply, which is standard in industrial systems and offers smoother torque and better efficiency than single-phase motors. It has a class F insulation which means it can handle relatively high temperatures which makes it suitable for demanding environments. During normal operation it consumes up to 6.1 amperes current.
Frequently Asked Questions about BL-MS125E-30T:
Q: Why is the 4-pole design important in the BL-MS125E-30T servo motor?
A: The 4-pole configuration provides better torque consistency and smoother operation at high speeds. It helps maintain accuracy in rapid motion applications.
Q: How does the passive cooling system benefit the BL-MS125E-30T during continuous operation?
A: Passive finned cooling reduces the need for external fans, improving reliability and lowering maintenance. It ensures long-term thermal management without moving parts.
Q: What role does the OKUMA ER encoder play in feedback accuracy?
A: The OKUMA ER encoder ensures precise shaft position feedback for closed-loop control. This enhances accuracy in synchronized motion systems.
Q: Why is the star (Y) winding connection used in the BL-MS125E-30T model?
A: Star winding reduces phase voltage, improving thermal performance and torque efficiency. It also provides smoother current flow under dynamic loads.
Q: How does Class F insulation improve reliability in the BL-MS125E-30T servo motor?
A: Class F insulation tolerates up to 155°C, protecting windings in high-heat environments. This ensures longevity and minimizes breakdowns under thermal stress.
