XR Series Installation Instructions 27
6.1 Power On/Off
6Start-Up
6.1 Power On/Off
The XR has no ON/OFF button or switch. Plugging the unit into AC power will turn the
unit ON.
Disconnecting AC power will turn the unit OFF.
When power is applied the XR performs a self test by counting up 1 to 9, flashing the
annunciators and decimals, and displaying the software revision number.
6.2 Reset Button
The RESET button (marked as RST on the XR 2000) on the controller board allows the
technician to cycle power on the unit without disconnecting/connecting AC power. See
Figure 6.1.
Figure 6.1 RESET button (not the XR2000)
6.3 Auto-Learn
On power up, the XR automatically enters Auto-Learn mode, analyzing the serial
communications settings and the incoming data from the indicator.
The indicator’s output string must contain number characters. Also, an STX character
(ASCII 02) must precede all other characters and/or the string must end with <CR>
character. CR is ASCII 13. See example below:
<STX><Annunciator><Weight><Units><CR>
Once Auto-Learn is successful (about 10 seconds after power up) the XR will display
the current weight.
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