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C/C++ language because of the built-in MiniOS7 operation system. Besides, the I-7188XBD-CAN series PACs have different I/O types for users to match their requirement. For I-7188XBD-CAN, it provides 1 open collector digital output channel and 1 digital input channel. It is useful for transfer the command from differential communication interface.
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The jumper J3 is used to judge the resister of CAN network. When users want to set the jumper JP3, the upper cover of I-7188XBD-CAN/ μPAC-7186EXD-CAN needs to be removed. About the J3 jumper setting, please refer the following figure I-7188XBD-CAN I-7188 CAN bus series PAC - QuickStart (Feb/2017) ICP DAS USA, Inc.
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The following figure shows the wiring diagram for general application. When the COM1 of I-7188XBD-CAN is used, sending data to COM1 will transmit the data both on RS- 232 and RS-485 port. One of the RS-232 and RS-485 port receives the data, these data will be obtained by COM1 of the I-7188XBD-CAN.
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Moreover, in order to wire conveniently, the I-7188XBD-CAN provides not only one CAN port, but also another bypass CAN port. There two CAN ports are the same one. The bypass CAN port is just for wiring with another CAN device conveniently, it doesn’t have any other function.
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