ICF-1150 supports 2 serial ports, one of which is DB connector for RS-232 serial communication, and the other detachable terminal is for RS-422 or RS-485 serial communication. 3 ports (2 serial ports and one fiber port) are completely independent. When ICF-1150 sends data from any one port, it will transmit the data through the other two ports.
For example, once the fiber port of the ICF-1150 receives a command from a remote host, it will simultaneously send the signal through the RS-232 and RS-422 / 485 serial ports. If the user needs an RS-485 detection system to run, he does not need to use an additional RS-232 to RS-485 converter, but can directly connect the laptop's serial port to the ICF-1150's RS-232 port to understand the operation .
The rotary switch can adjust the pull-up / pull-down resistor RS-485 to support multicast and daisy-chain connection. System engineers can connect multiple serial devices on the same bus, such as electricity meters, RTUs, and meter readers. This connection method increases the resistance on the data line. The ICF-1150 allows engineers to set the pull-up / pull-down resistance by rotating the switch without having to remove the ICF-1150 from the rail to set it.
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