Hyundai HWC-M100, User Manual

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RF Data Modem HWC-M100 / HWC-W100 / HWC-W120
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4. Communication with the End Device
4.1 Communication Method
∎ You can use Up-Link connector of RF-Modem to communicate with HOST through ethernet.
HOST must know the IP address and udp port of RF Master. Udp port is fixed to 9506.
You can set-up the IP address of RF Master in the Host Link window of GUI.
∎ You can use RS422 connector of RF-Modem which is in EP mode to communicate with End
Device. Communication method is selected by dip-switch for mode select. It could support
one of RS232, RS422 and RS485, and the assignment of pin is different according to
selection. You can also configure data bit, stop bit and parity bit to support the
End-device.
4.2 Communication Data
∎ Communication Data consists of header, informaiton and terminator as follows:
EP → End Device
Header Information Terminator
R X T 2 4 0 No1 No2 CR LF
3Bytes 3Bytes 2Bytes nBytes 2Bytes
EP ← End Device
Header Information Terminator
@ T X T 2 4 0 No1 No2 CR LF
4Bytes 3Bytes 2Bytes nBytes 2Bytes
No.1~2 of the Information is Device-ID of the End Device.
It is same as Device-ID of EP. (possible range 00 to 99)