Black Box IC908C Manual do Utilizador descarregar pdf (Página 14)

CHAPTER 4: Technical Description

4.7 Jumper Setup Options

The common on each port may be tied to ground, 5, or 12 volts. Either side of

each relay then may be tied to the common. Figure 4-1 shows an example setup.

• Port 4: The common is tied to ground (GND). The A side of port-4 relay 3

(K27) is tied to the common. The B side of port-4 relay 6 (K30) is tied to the

common.

• Port 3: The common is tied to ground (GND). The A side of port-3 relay 2

(K18) is tied to the common. The B side of port-3 relay 5 (K21) is tied to the

common.

• Port 2: The common is tied to 5 volts. The B side of port-2 relay 4 (K12) is tied

to the common.

• Port 1: The common is tied to 12 volts. The A side of port-1 relay 1 (K1) is tied

to the common. The A side of port-1 relay 8 (K8) is tied to the common.

Figure 4-1. Example setup.

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Black Box IC908C Manual do Utilizador Página 14