Multi-channel programmable relay

The utility model discloses a multichannel programmable relay, which comprises an MCU (Microprogrammed Control Unit) processor, a memory, a clock chip, a watchdog chip, a communication chip, a plurality of input circuits, a plurality of output circuits and an auxiliary machine interface circuit, and the memory, the clock chip, the watchdog chip, the communication chip, the input circuit, the output circuit and the auxiliary machine interface circuit are respectively in communication connection with the MCU processor. According to the multi-channel programmable relay of the utility model, the plurality of input circuits and the plurality of output circuits are arranged, the plurality of input circuits and the plurality of output circuits form a plurality of channels, the plurality of channels can satisfy the input of a plurality of external signals so as to control the opening or closing of the relay K of the plurality of output circuits, and the carrying capacity of the multi-channel programmable relay is str