Black Box RS-232485/422 Converter Plus, RS-232485/422 Opto-Isolator/Converter Network Hardware User Manual


 
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QUICK REFERENCE: USER-SELECTABLE OPTIONS
W16 Turnaround delay (When W8 is in the B-C [2 wire] position, this
is the time after the driver is disabled and before the receiver is
enabled.)
A 0 msec
B* 0.1 msec
C 1 msec
D 5 msec
E 35 msec
NOTE
If the Converter is configured Data Enabled (W15, position B-C) and 2-
wire (W8 position B-C), then delays from W17 and W16 are cumulative.
S1 OUT* Normal
IN Loopback
S2 OFF* RS-485 Receiver Unterminated
ON RS-485 Receiver Terminated
S3 OFF* Line Bias Off
ON Line Bias On (The Carrier Detect light will come on.
Default is +5 volts.)
TB1 4-wire terminal block
1 - - - - - - Rx - - - - - B+
2 - - - - - - Rx - - - - - A-
3 - - - - - - Tx - - - - - B+
4 - - - - - - Tx - - - - - A-