TC-52B轉(zhuǎn)換器通過從RS-232端口取電來實(shí)現(xiàn)RS-232到RS-422/485轉(zhuǎn)換,它將RS-232的TxD和RxD信號(hào)轉(zhuǎn)換為半雙工的2線RS-485差分信號(hào)或全雙工的4線RS-422/485信號(hào)
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DIP Switch Settings | ||
RS-422 | SW1 | SW2 |
OFF | OFF | |
2-wire RS-485 | SW1 | SW2 |
ON | ON | |
4-wire RS-485 | SW1 | SW2 |
ON | OFF | |
Terminator Enb/Dis | SW3 | SW3 |
ON | OFF |