SAM-DA-400-07N-P5N-F Danaher
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The Danaher SAM-DA-400-07N-P5N-F servo amplifier is part of the SAM Servo Amplifiers series and operates with a 400 V mains voltage and a 24 VDC control supply. It features a 1-character 7-segment display and supports communication over the EasyBus Fiber Optic Ring. The amplifier provides 3-phase motor output and uses two rotary switches for node addressing.
Internal Product Review
The SAM-DA-400-07N-P5N-F is a Danaher servo amplifier designed for 400 V mains input and 3-phase motor output. EasyBus Fiber Optic Ring communication and a 24 VDC control supply support clean integration into distributed motion architectures. A 1-character 7-segment display and two rotary address switches make setup efficient, making this amplifier a strong choice for precise servo control.
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Product Description:
The SAM-DA-400-07N-P5N-F is a servo amplifier produced by Danaher as part of the SAM Servo Amplifiers series. Designed to occupy a single slot in a centralized cabinet, the unit interfaces with motion controllers and field I/O to energize matched servo motors. By converting fixed plant power into adjustable three-phase waveforms, it drives axes that require accurate positioning, repeatable velocity profiles, and fast dynamic responses. Typical applications include pick-and-place gantries, packaging stations, and precision assembly platforms where controlled torque and speed are required. Its single-slot format also conserves cabinet space in systems containing several coordinated motion axes.
System communication is carried over the EasyBus Fiber Optic Ring, an optical loop that rejects electrical noise and permits multiple amplifiers to be connected without copper signal conductors. Low-level electronics draw a control supply of 24 VDC, allowing auxiliary power to remain active when the main contactor is open for lockout or service. A front-panel LED flashes the CPU heartbeat at 2 Hz, providing an immediate visual indication of processor operation. Operating status is also shown on a one-character, seven-segment display that cycles through numeric or alphabetical codes during startup, fault, and run states. For servo power, the unit accepts a 400 V three-phase mains supply that is internally rectified and filtered before pulse-width modulation. This power conversion stage regulates the waveform delivered to the connected motor according to commands received from the motion controller.
When cabinet logic power dips, the amplifier keeps its processors active down to a minimum of 19.2 VDC, helping prevent brownout resets during brief bus voltage sags. Motor terminals provide a three-phase output that is synchronized with encoder feedback to maintain sinusoidal commutation and low torque ripple. Optical network addressing is selected with two rotary switches that are accessible behind the front cover, allowing the node address to be changed without altering signal wiring. The optical connection supports coordinated communication among amplifiers installed within the same motion system. Front-panel status indications provide direct access to operating and fault information while the amplifier remains installed in the cabinet.
