2 system configuration, System configuration – Toshiba SX 2000 User Manual

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1.4 Free ASCII mode

1.4.2

System configuration

The following figure shows the system configuration using free ASCII communication
faction.

The S2T is connected to the serial ASCII device(s) through RS-485.

S2T

Max. 32 devices

4or2 wire system selecting function (RS-485)

Either 4-wire system control or 2-wire system control can be selected in order to

connect various serial ASCII device(s) by using the following special function device.

S2T

resister

Name

Function

S688

RS-485

Wiring configuration

OFF: 4-wire system

ON : 2-wire system(This function is available when

selecting 9600 or 19200bps.)

6F8C0926