Moxa Technologies CP-132U Series Podręcznik Użytkownika Pobierz pdf (Strona 16)

RS-422

When using the RS

422 wiring option,

first follow the 4

-wire RS-485 wiring

instructions given above.

Optional RTS/CTS Handshaking

Signals

If your software is set up to send and

receive RTS/CTS signals over separate

wires, you should also connect from

RTS+(B) to CTS+, from RTS

-(A) to

CTS

-, from CTS+(B) to RTS+, and

from CTS-(A) to RTS-.

STEP 4: Attach the RS-232 connector

Depending on your

application, use the

appropriate serial cable to

connect from

the TCC-100

product

’s RS-232 female

DB9 port to your RS

-232

device, or to your

computer

’s COM port.

Female DB9

RS-232

TxD

RxD

GND

CTS

RTS

RS-232 Pin Assignment Diagram

STEP 5: Test the connection

After configuring the DIP switches, connecting the power, wiring the

terminal block, and attaching the RS-232 connector, we suggest using a

console terminal program, such as HyperTerminal or Moxa Terminal

Emulator, to test the connection. If you have an RS-422/485 serial board

(such as the Moxa CP-132, a 2-port RS-422/485 board) installed in your

PC, you can connect your PC’s COM port to the TCC-100’s RS-232 port,

and then connect the TCC-100’s RS-422/485 terminal block to one of the

RS-422/485 serial board’s ports. Alternatively, if you have already set up

an RS-422 or RS-485 network, you can also connect the TCC-100’s

RS-422/485 terminal block directly to that network. Next, start

HyperTerminal or Moxa Terminal Emulator, and then open a connection

to both the COM port, and the port associated with the TCC-100’s

RS-422/485 port. Test the connection by typing a few characters on your

PC’s keyboard. The characters you type should show up in the

HyperTerminal window that is currently inactive, indicating that the typed

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