OFF: Initialized State Flashing: PrepOP State Single Flashing: SafeOP State Always ON: OP State Flickering: Boot Mode
L/Ax
Communication
White
OFF: no effective communication network is established, or the network interface is damaged Always ON/occasionally flashing: communication is established, waiting for data Flashing: normal data communication
E1~E4
AO output channels 1-4
White
OFF: no error ON: error state, including short circuit and abnormal Up power supply