picture of TTL-encoder simulator
The TTL encoder simulator is able to emulate incremental encoder devices with differential A,B,Z tracks and impulse rates of up to 150kHz. For this case there are three blocks of DIL switches to create manually a 12bit impulse count per revolution (CPR up to 4095) and the 11bit number for a revolution per second (up to 2047). The upper bit controls the direction CW or CCW. The Z-track (index track) comes - if used - once per revolution. All signals and supply voltage are pluged via one 15pin SUB-D header.

There is optionally the possibility to control the TTL-encoder simulator via serial interface, that can be connected to a PC. With an open RS232 data protocol the user is able to set data patterns instead of using the DIL switches. It is also possible to send timing variable profiles for simulating different movements.
  • supply voltage: 12VDC - 30VDC (opt. 5VDC).
  • supply current: <15mA
  • CPR: 1 - 4095
  • revolution per second: 0 - 2047 (122000 rpm)
  • impulse rate: 0kHz - 150kHz
  • diff. A,B tracks: 90 / 5V (RS422)
  • diff. Z index track / 5V (RS422)
  • PCB board size: 68x43.8mm
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further encoder simulator devices:

TTL-encoder simulator with case
PC-Software