The KTA-290 is a USB or RS-485 controller card that generates the pulses to feed to up to four axes of stepper or servo motor drivers. Simple commands allow the independent motion of the motors. The controller is an upgraded version of our popular KTA-190.
The step and direction outputs of the card can connect directly to almost any stepper or servo motor driver, including the full range of our Leadshine motor drives.
Once connected to a computer, the card appears as a virtual serial (COM) port. The card also acts as a USB to RS-485 serial converter, allowing you to multidrop up to 4 interface cards off the RS-485 serial line. This allows control of up to 16 axes of motors.
Examples of the commands:
@01 AMOV 1000 2000 4000 do an absolute move of stepper 1,2 and 3 to positions 1000, 2000 and 4000
@01 AMOV 2000 do an absolute move of stepper 1 to position 2000
@02 RMOV -400 do a relative move of stepper 2 400 steps backwards
Positions are stored internally as signed, 32 bit integers allowing for a range of more than ±2 billion steps
The user can also set the acceleration and deceleration rates when starting and ending a sequence of steps. Limit switch inputs are available for each of the motors to prevent motors moving out of range.
Features:
Controls 4 axes of stepper or servo motors simultaneously
Easily connect multiple units by RS-485 for up to 16 axes
Up to 40 kHz max stepping rate
Parameters can be stored in non-volatile EEPROM
5 VDC step and direction signal levels
8 to 35 VDC powered
Analog voltage inputs and auxiliary digital IO.
Documents and downloads Links:
Manual: http://www.electronics123.net/amazon/datasheet/KTA-290%20Manual_NOT%20RSPD.pdf
Download Test Utility with Visual Basic .NET Source: http://www.electronics123.net/amazon/datasheet/KTA-290_Software%20(1).zip