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PWM output in TAC Xenta 122

PWM output in TAC Xenta 122

Issue

How to set up PWM output in ZBuilder for TAC Xenta 121/122 devices.

Product Line

TAC Vista

Environment

  • Xenta 121
  • Xenta 122
  • ZBuilder

Cause

To be able to set up the PWM function for outputs, you need to understand each entry in the settings windows.

Resolution

PWM Cooling2.jpg

 

  1. Activate at % TL
    The PWM output control starts when Terminal Load reaches this value.
  2. Fully active at % TL
    The PWM output control is fully active when Terminal Load reaches this value.
  3. Min control signal %
    The PWM output will not send out lower percentage of full stroke.
  4. Max control signal %
    The PWM output output will not send out higher percentage of full stroke.
  5. Period seconds
    The time for one full PWM period. This period will be cyclically repeated.
  6. Pulse change if change %
    Applicable only for actuators giving a position directly proportional to the pulse width and not dependent of cyclic updates (PWM with US terminology). This means the output will only activate when the Terminal Load has changed more than the set value, since last activation.
  7. Normally closed
    The TRIAC output is connected to ground (activated) when Terminal Load is zero, and the PWM output is not active. When the PWM output activates, the TRIAC output will not be connected to ground.
  8. Normally open
    The TRIAC output is open, not connected to ground, when Terminal Load is zero, and the PWM output is not active. When the PWM output activates, the TRIAC output will be connected to ground.
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