ICP DAS USA I-7521 User Manual page 128

Table of Contents

The demo program, hp22_1.c, is designed to allow a Host PC to be

linked to a remote HP34401A. Refer to the companion CD for the

source code of the hp22_1.c file. The key features of hp22_1.c are as

follows:

 The RTS3 pin of COM3 port must first be set as active HIGH to

enable the HP34401A.

 A flow chart illustrating the functionality of the hp22_1.c file is

shown below:

Note: the PC COM port should be 16550 compatible.

I-7521/I-7522/I-7522A/I-7523/I-7524/I-7527 User's Manual,Ver2.5 Aug.2015

start

Set the multimeter

to remote-control

mode

Set the multimeter

Any key

back to local

pressed?

mode

Ask for

measuring

Acquire

reading

end

128

Table of Contents

I-7522 I-7522a I-7527 I-7524 I-7523