Datalogic STAR-Box Installation Manual
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STAR-BOX™822.4.1 PinoutThe STAR-Box™ spring clamp connector pinouts are indicated in the following table.1 RS485+2 RS485-3 VS4 GNDS1RS4855 Shield6 RS485+7 RS485-8 VS9 GNDS2RS48510 Shield11 VS12 GNDS3Power 13 Shield*The signals on S1 are repeated on S2 to facilitate network connections. In this way the networkbus can enter and exit the STAR-Box™ from different spring clamps but be physicallyconnected together.NOTEThe Shield should be connected to the earth ground in one pointonly.2.4.2 Power SupplyThe various system layouts on the previous pages show the system powered by onepower supply which propagates power from one device to all the others in thenetwork. The power supply should be positioned in the middle of the network for thebest distribution and therfore functioning.The total number of devices which can be connected to a single power supplydepends on the power supply voltage used and voltage drop across the variousnetwork branches. The following example gives an indication. |
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