User`s manual

165

CHAPTER 3 COMMUNICATIONS BY THE MODEM FUNCTION

3.5 Sample Programs

3.5.1 Sample program for data communication-1

(1) Sample program system configuration

The configuration of a system using this sample program is shown below.

(2) Connection request station side (QJ71C24-R2 1)) sample program

The modem connected to the CH1 side interface is initialized, the line is connected, data are transmitted by the

non-procedure protocol and the line is disconnected through commands from the user.

Perform the following settings before running this program.

(a) GX Developer switch settings ( Page 131, Section 3.4.2)

(b) Settings by GX Configurator-SC ( Page 131, Section 3.4.2)

Perform the following settings in each setting screen.

Use the default settings in screens and setting items other than those listed below.

• Modem function system settings

• Modem connection data registration

*1 Specify the external party's telephone No.

Switch No. Setting value

Switch 1 07E2

Switch 2 0006

Switch 5 0000

"Modem function system setting" screen setting items Setting value

Modem connection channel designation 1CH

Data No. for initialization designation 07D5

Data No. for connection designation 0BB8

"Data for modem connection" screen setting item Setting value

Data for modem connection 1

(H0BB8)

Telephone number

0123456789

Modem Modem

1) Line connection

2) Communications by the non-procedure protocol

3) Line disconnection

QJ71C24-R2 2) QJ71C24-R2 1)