PCE835-001-N Pacific Scientific
Wake Industrial LLC is not an authorized distributor of this product.
Wake Industrial LLC is not an authorized distributor of this product.
The Pacific Scientific PCE835-001-N is part of the PC800 - PCE800 Brushless Servo Drives series and offers a continuous output power of 5.6 kW with a power stage efficiency of 97 percent. It features a peak output current of 22.5 ARMS for 3 seconds at 40°C and supports command interfaces such as RS-232/485, ±10 VDC, Step/Dir, and indexing. This servo drive has dimensions of 254 mm in height, 146.7 mm in width, and 192 mm in mounted depth.
Internal Product Review
The PCE835-001-N is a Pacific Scientific brushless servo drive with 7.5 ARMS continuous output current and 5.6 kW continuous output power. A 22.5 ARMS peak output current and 97% power stage efficiency give this unit excellent dynamic performance and make it a very capable servo drive choice.
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Product Description:
The PCE835-001-N is a brushless servo drive manufactured by Pacific Scientific for the PC800-PCE800 Brushless Servo Drives series. It is intended to supply regulated three-phase power to matched servo motors in automated machinery, converting line voltage into controlled current while also handling feedback and motion commands. The unit’s 254 mm height, 146.7 mm width, and 192 mm mounted depth let it fit standard control enclosures, and its internal regen circuit dissipates 100 W through a 33 Ω resistor to manage excess kinetic energy. Its compact footprint also helps it fit into multi-axis panels where space around neighboring components is limited.
The drive can deliver a continuous phase current of 7.5 ARMS under 40 °C convection cooling, translating to a sustained shaft power of 5.6 kW when operated from a 480 VAC bus. A power-stage efficiency of 97% minimizes heat generation, so convection cooling is usually sufficient without external fans. Output voltage is pulse-width modulated at an 16 kHz ripple frequency, which reduces audible noise and improves motor torque linearity. Command inputs are flexible; the single control card accepts RS-232/485, ±10 VDC, Step/Dir, and Indexing signals, allowing the same hardware to interface with PLCs, motion controllers, or standalone indexing applications. This input range allows the drive to work with both centralized motion systems and simpler standalone control layouts.
For rapid moves or sudden load changes, the drive supplies a peak phase current of 22.5 ARMS for three seconds and can momentarily output 19.2 kW of mechanical power, preserving acceleration even on high-inertia axes. The DC link absorbs transient energy up to 70 J at 630 VDC before routing surplus to the internal resistor. Motor cabling may be run up to 50 m, provided the connected motor inductance remains between 1.7 mH and 1.7 H so that current ripple stays within design limits. The combination of overload capacity and cable reach supports axes that must accelerate quickly while keeping the drive cabinet separate from the motor. The drive supports medium-to-large servo motors on packaging lines, electronic assembly stations, and other multi-axis systems that require short bursts of high power without continuous thermal penalties.
