Operation
Beijer Electronics, MAEN945B
19
6.6 Downloading an Application
Connect the RS232 port on the PC to the COM1 port on the H-T40m using
a WPC-P8-42 cable. The connection can also be made according to the illustra-
tion below:
Set the dip switch
SW7 = ON
. After the self-test, the system menu will be
displayed on the screen and the operator terminal is ready to download the
application.
Start H-Designer and open the application file to be downloaded. Make sure
that the communication parameters are correctly configured. Also remember to
compile the file before downloading it. The file has to be compiled every time a
change has been made in the file before downloading it.
Then select
Application/Download Firmware/Application
in H-Designer if it
is a first time to download the application to the operator terminal; otherwise,
select
Application/Download Application
. The following appears on the screen
while the operator terminal is downloading:
H-T40m
COM1
9-pin male
PC
RS232
9-pin female
H-T40m
COM1
9-pin male
IPC485 or RS485
interface
converter
RXD 2
2 RD
RS485+ 1
D+
TXD 3
3 SD
RS485- 6
D-
GND 5
5 SG
RTS 7
1 CD
CTS 8
4 DTR
6 DSR
7 RTS
8 CTS
Warning:
To avoid an electrical shock, be sure to switch off the power before connecting the
download cable to the operator terminal.