Installation & Operation Manual for the 11
Active Vibration Cancellation (AVC) System
3) Display the current commanded power and power limits
a) Command: E<CR>
b) The top value is the maximum allowable power for the current temperature. The middle value is the minimum al-
lowable power. The bottom value is the current commanded power. All values displayed with this command are in
watts.
4) Display the current controller error flags
a) Command: ERROR<CR>
b) All active errors are displayed simultaneously. Each error flag will cause the cooler to stop running or keep it from
running.
Visual indication (when LCD is ON) - when any error flag is active:
The LCD will flicker ON and OFF at approximately 0.4s interval.
The LCD’s content will toggle between the regular data and an error screen.
The error screen will have the ERROR command’s output.
The regular screen will have an ERROR flag on the upper right corner.
Error codes:
00000001 - High Reject Temperature
00000010 - Low Reject Temperature
10000000 - Over Current Error
11111111 - Invalid Configuration
5) Display the derivative constant of the temperature control loop
a) Command: KD<CR>
b) Returns the proportional constant of the temperature control loop.
6) Set the derivative constant of the temperature control loop
a) Command: KD=<VAL><CR>
b) This command is User locked.
c) <VAL> is the user defined derivative constant of the temperature control loop.
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