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Parker SSD Drives 638 Series Servo Drive

Product Announcement from SSD Drives, a Division of Parker Hannifin Corp.

Parker SSD Drives 638 Series Servo Drive-Image

The Parker 638 series servo drive is suited to applications from simple speed regulation to the more complex requirements for current and position control.


A new processor in the 638 provides control loop response time of 105 microseconds. Expansion slots allow 638 series servo drives to reach a high degree of versatility, opening access to a wide variety of fieldbus communication and feedback sensors options.

Features include:

Integrated motion controller

230 or 400 VAC direct power supply

EN954-1 category 3 safety input

Ultra-fast control loops (105us)

Embedded PLC functions

Programmable electronic cam

3 configurable trajectory generators

Multi-axis synchronization through process bus

Numerous fieldbus options

Hiperface and SSI encoder inputs options

Optional flash memory chip for data storage

Simple commissioning and programming software