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Parker: Stepper Drive (Gemini GT-L5 Series)
Parker: Stepper Drive (Gemini GT-L5 Series)
 

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Order #: GT-L5


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Description Ordering Information Specifications and Drawings
 

Parker: Stepper Drive (Gemini GT)

The Gemini GT is the digital stepper drive member of the Gemini Family. The Gemini GT is easily configurable and programmable via RS232/485 using Compumotor’s Motion Planner on a PC or Pocket Motion Planner on a Window’s CETM-based palm PC. The Gemini GT is an alternative to a digital servo drive. With breakthrough techniques such as Encoderless Stall Detect and ABS damping (patented), the Gemini GT provides servo like performance with the lower motor price of a stepper system. With the same connectivity, configurations, and family feature set as the Gemini GV, the Gemini GT allows for an easy upgrade path to the Gemini GV digital servo drive.


Active Damping
, Electronic Viscosityand ABS Damping

The Gemini GT follows in the footsteps of Compumotor’s ZETA drive family and offers Active Damping (patented) and Electronic Viscosity (patented). The Gemini GT goes one step further with ABS Damping (patented). This damping feature is for speed ranges from 0 to 0.1 revs/sec. This “nofuss” feature requires no user set up and dramatically reduces settling time.


Encoderless Stall Detect

Encoderless Stall Detect allows detection of a motor stall without adding an encoder to an application. Stall conditions result from inequality of commanded velocity to actual velocity at the motor shaft, regardless of physical reason. The user will be alerted to a stall condition via LED, digital output, or via query over the communication port.


Performance:

• Two power ranges for up to 8 Amps of continuous current.

• Step and direction, CW/CCW, +/- 10 VDC analog, and encoder tracking modes available.

• Active Damping, Electronic Viscosity, and ABS Damping

• Encoderless Stall Detect

• Simplified configuration

• Variable resolution up to 128,000 steps/rev


Protection:

• Short circuit protection – phase-to-phase and phase-to-ground

• Brownout protection – if AC drops below 85 VAC

• Over temperature – shutdown occurs at ambient 131°F (55°C)


Physical:

• A wide selection of stepper motors are available from Compumotor including the OS, TS, VS and ES Series.

• 120V input power

• Diagnostic LEDs for drive status, firmware download, and optional keep alive mode.


Gemini Family Features:

• 24V Keep Alive (not required) – keeps logic alive if AC power is removed

• Error Log – records 10 most recent errors with time stamp

• Approvals: UL Recognition, cUL, CE (LVD), and CE (EMC)

• Configurable via RS232/485 using Compumotor’s Motion Planner on a PC or Pocket Motion Planner on a Windows CE-based Palm PC.


Model No.: GT-L5, GT-L5-NK (No Kit)

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Parker: Stepper Drive (Gemini GT-L5 Series)

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