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Oc004 Wiring1
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Oc004 Wiring1

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  • 1. OC-004B1 Four Channel Optical Coupler + OC-004B 4-Chan CH1+ D3 D3 5-50V Optical Coupler +V CH1- D3 www.alzatex.com D1 10ma CH2+ D1 G Alzatex, Inc. CH2- D1 Channel 4 Channel 3 Channel 2 D2 Channel 1 CH3+ D2 D4 Crossover CH3- D2 Phone Cord CH4+ D4 Isolated Switch Closure Input Ch4- D4 To Timer RSSR input When Switch is Closed, input is active. When Open, input is not active. Note: Channel 1 = IN1 Channel 2 = IN2 Channel 3 = IN3 + Channel 4 = IN4 5-50V See Timer documentation for assigned functions. 30ma Non-Isolated Switch Closure Inputs The OC-004 optical coupler may be used with any Timer that has remote ground closure (RSSR) inputs. The input channels are isolated from each other and require their own power input. Or the negative inputs can be tied together so a common supply can be used, if isolation is not required. This unit is normally powered by the timer it is connected to. However, if extra power is needed, a 12V AC/DC power supply can be connected directly to this unit. This extra supply should remain isolated from the inputs to protect the equipment. Alzatex, Inc. www.alzatex.com oc004_wiring1.pdf