Auxiliary analog sensor (teachable span) – Warner Electric X2DRV User Manual

Page 6

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P-2098-WE-A4

9. Auxiliary Analog Sensor (Teachable Span)

In case of use an analog sensor or two, wire them to Pin Ana1 or Ana2 and teach their voltage or current span with
starting the calibration as describe below (for this use the button Cal as shown figure 6).

If no calibration is done,

Ana1 or Ana2 are ignored. The Analog Input (Ana) compensates the Brake Input signal control (InBK) between
20-100%.

To Disable Ana1 or Ana2 compensation, please calibrate Ana1 or 2 without any connection (unplugged).

10. (Optional): The frequency adjustment changes the modulation frequency to eliminate brake “hum” or “howl”
when the brake is stationary. The frequency is factory set and normally requires no adjustments. Set the frequency as
described below with the red switches below the chassis:

11. Double check all wiring connections per Figure 2 and insure all terminals are tight.

NOTE: If an over-load occurs (current 4A or more) the Driver output will shut down and the red LED will be ON. To
reset the system, remove power to the Driver and turn it on again.

Auxillary Input Calibration: Ana1 & Ana2

Potentiometer for Anti-residual setting

State LED

Figure 6: Anti-residual setting and calibration

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