RS1A03AAW
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The Sanyo Denki RS1A03AAW is part of the R SANMOTION Servo Drives series and features a battery backup method absolute encoder [PA035C]. It operates with an AC100V to 115V amplifier power supply and has a rated power supply of 0.2 kVA. The brake mass weighs 0.27 kg with a rated current of 0.07 / 0.27 A.
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Product Description:
Sanyo Denki’s latest R SANMOTION servo drive RS1A03AAW offers precise servo control and supports single or multiple servo axes for the industry applications. In high-speed positioning, it responds faster because of inertia 0.27 kg outweighed by brake mass. The temperature range is from 0 to 40°C to allow semi constant performance under workshop conditions. Single axis amplifier model RS1E01A can accomplish dedicated axis control which simplifies setup for individual drives, lowers cross axis interference.
The multi-axis amplifier model enables synchronized control of multiple drives and that improves coordinated motion accuracy. The amplifier’s power supply of AC100 V to 115 V + 10%/–15%, 50/60 Hz ± 3 Hz tolerates voltage fluctuations. Its operating temperature range of 0 to 55°C supports use in warmer environments and reduces the need for external cooling. Rated power supply of 0.2 kVA limits energy draw, lowering overall system power consumption. The module’s mass of 0.9 kg for multi-axis and 0.48 kg for single-axis minimizes installation load which simplifies mounting on compact frames. The encoder specification of battery backup method absolute encoder [PA035C] retains position data during power loss. Ambient operating temperature for the multi-axis amplifier of 0 to 40°C suits standard control cabinet environments and maintains reliability in enclosed spaces.
The forced-air cooling operating temperature of RS1A03AAW multi-axis amplifier is 0 to 55°C allows extended runtime in compact enclosures, preventing overheating under heavy loads. The bit rate for the CANopen interface selectable from 1 Mbps to 10 kbps optimizes communication speed for different network loads. Maximum nodes per segment of 1 to 127 supports scalable network topology which accommodates large multi-drive systems. The unit’s rated current with brake of 0.07 A for single-axis and 0.27 A for multi-axis reduces holding current which minimizes heat generation during static holding. Input current of 5.8 A at three-phase 200–230 V AC 50/60 Hz enables sufficient drive power, thus maintaining consistent torque delivery under dynamic loads.
Frequently Asked Questions about RS1A03AAW:
Q: How does RS1A03AAW handle regenerative energy during deceleration?
A: The RS1A03AAW diverts regenerated power through its external regenerative resistor which prevents overvoltage. It maintains stable DC bus voltage during rapid deceleration.
Q: What is the expected maintenance interval for the PA035C battery in RS1A03AAW?
A: Sanyo Denki recommends replacing the PA035C encoder battery every two years under normal operation. The drive then continues accurate position tracking after battery service.
Q: Can the RS1A03AAW servo drive provide diagnostic data over CANopen interface?
A: The RS1A03AAW sends status and error codes through its CANopen interface which supports real-time monitoring. You can log drive performance metrics directly from the network.
Q: Does this servo module include EMI suppression for industrial environments?
A: The RS1A03AAW integrates a built-in noise filter which reduces electromagnetic interference on the power line. It also ensures compliance with industrial EMI standards.
Q: How does RS1A03AAW’s absolute encoder improve system restart times?
A: The device’s battery-backed PA035C encoder retains multi-turn position data during power loss which eliminates lengthy homing sequences. This allows immediate restart at the last known position.
