Software Installation
CP-132U Series User’s Manual
4-5
RS-485 Programming
If you intend to use your CP-132UL Series board for RS-485 applications, you can refer to
the RS-485 programming guide below, and also see the chapter, “Connection Cables and
Cable Wiring,” for more details about RS-485 operation.
The CP-132UL Series supports only 2-wire half-duplex RS-485 communication. In this
case, the data+/- pins are used for both data transmitting and receiving, depending on the
mode selected. The modes available are ADDC™ (Automatic Data Direction Control), or
By RTS.
ADDC™ (Automatic Data Direction Control)
The
ADDC™
scheme is the best solution for RS-485 applications. To use ADDC™ mode,
set the mode switch to the
ON
position.
Under this mode, no extra code is required to control data transfer (both data transmitting
Summary of Contents for CP-132U Series
Page 12: ...CP 132U Series User s Manual 2 4 CP 132UL V2 120 x 64 5 mm CP 132UL V1 120 x 64 5 mm...
Page 66: ......
Page 80: ......