SAM-DA-400-07N-P4N-E
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The Danaher SAM-DA-400-07N-P4N-E is part of the SAM Servo Amplifiers series and operates with mains voltages of 400V or 480V. It features a 7-segment display for status and error codes, diagnostic LEDs for overload and CRC errors, and a rotary knob for EasyBus node address assignment.
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Product Description:
The SAM-DA-400-07N-P4N-E is from the SAM servo amplifiers series by Danaher to operate servo motors. It uses RS-422 full duplex service port at 19200 baud rates to make communications. The SAM-DA AC servo amplifier is shock-resistant to 25 g for 10 ms and weighs 3.8 kg.
The SAM-DA-400-07N-P4N-E AC servo amplifier supports a 3-phase AC supply of 380V to 415V and frequency between 48 Hz to 62 Hz. It is operatable in conditions from 5°C–40°C temperature and 5–95% humidity. The SAM-DA servo amplifier provides a continuous output current of 7 Arms at 4 kHz and a peak of 14 Arms while operating at 8 kHz it gives 6.5 Arms continuously and 13 Arms as peak output. The Power loss at 4 kHz is 130 W for the IGBT and 220 W total while increasing slightly to 150 W and 240 W respectively at 8 kHz. The SAM-DA AC servo amplifier consumes 30 W under no-load conditions and typical the current drawn is 0.8 A with a maximum of 1.5 A while the switch-on inrush current reaches 5 A. The SAM-DA AC servo amplifier has a high-speed input switching delay of 0.3 ms and standard delay of 10 ms.
The SAM-DA-400-07N-P4N-E AC servo amplifier’s digital I/O are isolated by 24 VDC to give protection against short circuit and polarity reversal. An analog differential input is included to provide 12-bit resolution with a ±10 V input range and 10 k impedance. It operates at a 2.0 kHz sampling rate and the brake control output is isolated by 24 VDC with an output current between 2.0 A to 2.4 A. The SAM-DA AC servo amplifier has fatal error contact that supports up to 1 A.
Frequently Asked Questions about SAM-DA-400-07N-P4N-E:
Q: Why is the analog input resolution of 12-bit important in SAM-DA-400-07N-P4N-E?
A: A 12-bit resolution provides finer signal precision, enabling better control accuracy in motion systems. This helps in achieving smoother motor operation and more responsive feedback loops.
Q: Why is the RS-422 full duplex communication used in SAM-DA-400-07N-P4N-E?
A: RS-422 full duplex allows simultaneous two-way communication, improving real-time data handling and system responsiveness in networked servo applications.
Q: How does the 10 kΩ input impedance affect analog signal handling?
A: A high input impedance minimizes current draw from the signal source, preventing signal distortion and ensuring accurate voltage measurement.
Q: Why is isolated 24 VDC digital I/O important in SAM-DA-400-07N-P4N-E?
A: Electrical isolation protects both the servo amplifier and connected control systems from electrical surges and polarity issues, enhancing operational safety and reliability.
Q: What role does the brake control output play in motor safety?
A: The isolated brake output (2.0–2.4 A) allows secure and controlled stopping of motors during power loss or emergency, helping prevent mechanical damage or operator risk.
