SAM-DA-400-14B-P5N-E Danaher
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The Danaher SAM-DA-400-14B-P5N-E is a servo amplifier in the SAM Servo Amplifiers series. It operates with a DC bus voltage range from 550 to 800 VDC and a mains voltage of 400 V. This device provides a 14 Amp output current, utilizes a 3-phase U/V/W motor output, and includes fiber optic Easybus communication in a closed ring topology.
Internal Product Review
The SAM-DA-400-14B-P5N-E is a Danaher SAM servo amplifier designed for 400 V mains input and 14 A output current. Fiber optic Easybus communication in a closed-ring topology supports dependable integration in coordinated motion systems. A strong option for high-voltage drive applications, especially with a 550 to 800 VDC DC bus range.
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Product Description:
The SAM-DA-400-14B-P5N-E servo amplifier is manufactured by Danaher within the SAM Servo Amplifiers series. Designed for cabinet installation, the unit interfaces between a mains supply and a servo motor, providing the controlled power required for precision positioning and velocity loops. By converting line energy into a regulated three-phase output, it supports industrial automation tasks such as packaging axes, gantry drives, and material-handling stations. It also forwards diagnostic data through the proprietary Easybus link so centralized controllers can monitor drive status.
The power stage is fed by a 400 V three-phase source that is rectified onto an internal DC bus. That bus operates within a safe window from 550 VDC to 800 VDC, allowing regenerative energy to be absorbed without triggering overvoltage trips. Low-power electronics are supplied separately at 24 VDC, and the control section remains active down to the specified minimum of 19.2 VDC so fieldbus communication can be maintained during brownouts. The amplifier can deliver a continuous phase current of 14 A to the motor windings, while an auxiliary user output provides power for external sensors or brakes. The separate control supply allows communication and diagnostic functions to remain available when the main power stage is inactive.
Field wiring is organized through dedicated plug-in connectors: X11 for the DC bus, X12 for the motor phases, X13 for temperature feedback, and X14 for brake control. The X12 socket carries the three-phase U/V/W outputs, while coil temperature feedback returns through the separate three-pin header. Drive status is shown locally on a one-character, seven-segment display that cycles through fault and operating codes. Network communication is handled by the Easybus interface, which uses fiber-optic media arranged in a closed-ring topology so that a single break does not interrupt message flow. The dedicated connectors separate high-power wiring, motor temperature signals, brake control, and network communication within the cabinet. This arrangement keeps the signal paths organized and reduces the chance of connecting field wiring to the wrong interface.
