R34JENC-R2-NS-VS-00
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The Pacific Scientific R34JENC-R2-NS-VS-00 encoder is part of the R Servomotors series, featuring a rotary encoder with a resolution of 2048 pulses per revolution. It operates within a temperature range of -10°C to +70°C and provides A/B/Z phase differential output signals. It supports a maximum rotational speed of 6000 rpm.
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Product Description:
The R34JENC-R2-NS-VS-00 Motor is made by Pacific Scientific with a rare-earth samarium-cobalt magnet type to offer a high magnetic energy and high thermal stability. One of the mechanical highlights of this servo motor is its Viton shaft seal, which provides improved resistance to chemical exposure, oils, and extreme temperatures.
The maximum torque rating of the R34JENC-R2-NS-VS-00 is 14.7 Nm to supply high-output torque for demanding acceleration and deceleration cycles without sacrificing response time or accuracy. This motor’s resistance (line-to-line) at hot temperature is 12.2 Ohms, which is responsible for controlling the current flow and enhancing efficiency through less thermal accumulation. The amount of current needed by this servo motor to attain maximum torque is 35 Amperes, which aligns with high-performance servo drive systems for dynamic and responsive control. This motor's voltage constant is defined at 0.89 V/rad/sec (line-line) for precise velocity regulation and enhanced feedback resolution within closed-loop configurations. The peak voltage rating of 600 VDC supports this motor’s high-voltage application integration without any need for voltage conditioning circuit components. This motor’s static friction torque is restricted to 0.044 Nm to enable precise control in low-speed or stop-start applications, where high friction would compromise performance.
This servo motor is classified under Insulation Class F, which ensures thermal endurance up to 155°C, ideal for use in systems with minimal cooling or occasional overload requirements. The thermal resistance of the R34JENC-R2-NS-VS-00 servo motor is 0.76 °C/Watt, ensuring efficient heat dissipation that minimizes the use of external thermal management. This servo motor is designed for operation at up to 1000 meters above sea level with full performance without derating. With a lightweight of 3.9 kg, this motor is tailored for use in systems with a need for reduced load without compromising mechanical strength or electrical efficiency.
Frequently Asked Questions about R34JENC-R2-NS-VS-00:
Q: Why does the R34JENC-R2-NS-VS-00 use samarium cobalt magnets instead of neodymium?
A: Samarium cobalt magnets offer better thermal stability and corrosion resistance. This helps maintain consistent magnetic properties in high-temperature industrial environments.
Q: How does the 0.76 °C/Watt thermal resistance benefit motor performance?
A: It improves heat dissipation during continuous operation. This reduces thermal overload and extends motor lifespan in high-duty applications.
Q: What role does the 12.2 Ohm hot resistance play in servo control?
A: It helps maintain stable current draw during long operating cycles. This allows the motor to run cooler and prevents voltage fluctuations.
Q: How does the 0.044 Nm static friction impact control accuracy?
A: Low static friction minimizes resistance during start-stop cycles. This enables more precise movement in low-speed or fine-positioning applications.
Q: Why is Viton used for shaft sealing in R34JENC-R2-NS-VS-00?
A: Viton resists oil, chemicals, and high temperatures. It ensures long-term sealing integrity in industrial environments with fluid exposure.
