4.6

Other I/O

 

 

 

4.6.1

RS232 serial communication

 

 

 

 

Location

Serial

 

 

 

 

 

Mating connector: 9-pin female D-type

 

 

 

Pin

Name

Description

 

 

 

1

SC

Shield connection

 

 

 

2

RXD

Receive Data

 

 

 

3

TXD

Transmitted Data

 

 

1

4

(NC)

(Not connected)

 

6

5

0V GND

Signal Ground

 

 

 

 

 

 

9

5

6

(NC)

(Not connected)

 

 

7

RTS

Request To Send

 

 

 

 

 

 

8

CTS

Clear To Send

 

 

 

9

DGND

Ground

 

 

 

Description

RS232 connections on a 9-pin male D-type connector

This connector is used to connect the NextMove ST to the PC running WorkBench v5, or other controller. It is a full-duplex RS232 serial port with the following preset configuration:

H57,600 baud

H1 start bit

H8 data bits

H1 stop bit

HNo parity

HHardware handshaking lines (RS232) RTS and CTS must be connected.

The configuration can be changed using the SERIALBAUD keyword. It is stored in EEPROM and restored at power up. The port is capable of operation at up to 115,200 baud.

The port is configured as a DCE (Data Communications Equipment) unit so it is possible to operate the controller with any DCE or DTE (Data Terminal Equipment). Full duplex transmission with hardware handshaking is supported.

Only the TXD, RXD and 0V GND connections are required for communication. Pins 4 and 6 are linked on the NextMove ST.

MN1921

Input / Output 4-15

Page 29
Image 29
Baldor iMN1921 installation manual Other I/O, RS232 serial communication, Location, Pin Name Description