Datalogic DS6300 Reference Manual

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Datalogic DS6300 Reference Manual Manual pdf 33 page image

INSTALLATION2322.2.2 Lonworks ConnectorsThe local network used by DS6300 exploits a Lonworks standard communication systemrequiring only two wires (polarity insensitive) to enable a connection. The connector alsoprovides a positive and a negative supplying wire. In this way, all the slave readers can bepowered by the master through the Datalogic standard cables.When working in applications requiring enhanced synchronization capabilities, the DS6300master reader (output) transmits two system signals named Sys_I/O and Sys_Enc_I/O to theslave readers (input). For example, when working with applications requiring an encoder thesignal is received by the master and directly transmitted to the slaves through the cable.The internal circuits generating the system signals are externally supplied by means of theVS_I/O and REF_I/O pins and are isolated from the reader supply voltage.The use of these system circuits is not required in all the operating modes (see par. 1.7 fordetails). Anyway, for a correct system functioning it is suggested to use Datalogic cables andaccessories and follow the description of the typical layout (see par. 1.7 for details).5 19 6Female (Master/Slave model)1 56 9Male (all models)Figure 35 - Local Lonworks Connectors9-pin Lonworks connector pinoutPin Name Function1 Shield Cable shield9 VS Supply voltage - positive pin2 GND Supply voltage - negative pin6 VS_I/O Supply voltage of I/O circuit3 Ref_I/O Reference voltage of I/O circuit4 SYS_ENC_I/O System signal5 SYS_I/O System signal7 LON A Lonworks line (polarity insensitive)8 LON B Lonworks line (polarity insensitive)Network TerminationWhen building a Lonworks system the network must be properly terminated by positioningBTK-6000 terminator in the DS6300 master reader and in the last DS6300 slave reader.Each side of the terminator provides a different connector; thus, it can be inserted either inthe Lonworks 9-pin male connector of the master reader or in the Lonworks 9-pin femaleconnector of the last slave reader: