Humandata LNX-003, Руководство пользователя

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12
LNX-003(Ver.1.0)
6.2. RS-485 (2-wire) Mode

Enable the echo cancelling
SW2
1 2
2-wire ON OFF
* Please refer to Section 6.3
SW1
1 2 3 4
No termination OFF ON ON OFF
SW1
1 2 3 4
Termination
Enable
ON ON ON OFF

Disable the echo cancelling
SW2
1 2
RS-485
ON ON
6.3. Setting Switch (SW2) Function
SW2-1 DE ( transmit enable) Control
OFF Always Enable
ON Enable only Transmission
SW2-2 Echo Control
OFF Echo Cancelling Enable (no echo)
ON Echo Cancelling Disable (echo enable)