Delta AH500 Manual page 55

(8) Setting the warning LED indicator
Bit 0~bit 7: CH0~CH7 (Warning LED indicator)
Description
(9) The conversion flags
Bit 0~bit 7: The signals received by CH0~CH7 exceed the range of inputs
Description
Bit 15: The external voltage is abnormal.
Ch ap te r 2 Ana lo g In pu t M odule AH04 AD /AH0 8AD
(ON: Flash; OFF: Not flash)
which can be received by the hardware.
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