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PLUS K Endstufen

PLUS K is the name of a series of ministep bipolar chopper drives with an on-board programmable motion controller that can be used for the interfacing through RS485 serial line with a central control system or as an independent unit.

PLUS K series drives are housed in a metallic box, 152 x 129 x 46 mm format, suitable for wall mounting.

They do not need external fans: accordingly, they are ideal both for mounting inside a metallic electrical cabinet and for stand-alone applications.

A broad range of available current/voltage values, specific instructions set and the availability of programmable inputs and outputs optimize the use of PLUS K series drives with a wide variety of stepping motors and in a large number of applications.

R.T.A. experience, together with a thorough design both of hardware and software, has led to a product offering high reliability, premium performances, great ease of use at competitive costs.

  • Operation at 400, 800, 1600, 3200 and 500, 1000, 2000, 4000 steps/revolution set by means of serial line.
  • Electronic resonance damping circuit to ensure acoustic noise and mechanical vibrations reduction at low and medium speed.
  • Wide range of operating voltages and motor phase currents setting. Up to 4 possible equidistant values, between Inf. min. and Inf. max., can be set by means of a serial line.
  • Communication through RS485 serial line; up to 48 drives can be connected on a single serial line. One instruction can be broadcasted to all drives.
  • Possibility to control the execution of 16 previously stored motion programs through hardware inputs. Accordingly, the drive can be used in stand-alone applications, without serial connection.
  • Possibility to control all programs previously stored or single instructions through the serial line.
  • 11 inputs and 6 outputs, all optically insulated. Among them 3 inputs and 4 outputs are freely programmable. Output O3 can be set to switch at a programmed motor position.
  • Memory of 128 instructions kept also at drive switched-off and three run time instructions.
Vac Inf. min. Inf. max. Dimensions
(VOLT) (AMP) (AMP) (mm.)
PLUS K3 from 28 to 62 3.4 6 152 x 129 x 46
PLUS K4 from 55 to 100 3.4 6 152 x 129 x 46
PLUS K5 from 28 to 62 4.4 8 152 x 129 x 46