Black-box IC476A-F-R2 Manual do Utilizador descarregar pdf (Página 19)

ASYNC 232↔422/485 CONVERTER

10.

11.

4.1.3 2-W

IRE

ONNECTION

only the transmit (XMT) pair

Converter Signal RS-485 Signal

XMT+..................................+ (positive)

XMT-...................................- (negative)

IMPORTANT!

If you are not using two IC476A-X-R2s back to back and the procedure on

the previous page produces garbage data (or none at all), flip the “A” and

“B” leads at one end of the 485 connection.

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Black-box IC476A-F-R2 Manual do Utilizador Página 19