2push-pull switching output
pin2: PNP dark switching, NPN light switching
pin4: PNP light switching, NPN dark switching
1push-pull switching output
pin4: PNP light switching, NPN dark switching
1push-pull switching output
pin4: PNP dark switching, NPN light switching
2PNP switching output complementary
1PNP switching output light switching and
pin 2: not connected
2NPN switching outputs, complementary
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