SD-34 | SD-34.2 English
Opto couplers OK1, OK4 6N136
OK2, OK3 PC817 (2 pieces) or
PC827 (1 piece)
IC-sockets IC1 20-pole
OK1, OK4, OK2/OK3 8-pole
Relays K1, K2, K3, K4 bistable 2 x Um 5 V
Double terminal strips X4 2 x 9-pole
Solder pins JP1 2-pole
Fig.1 : PCB layout (SD-34)
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