Rockwell Automation 1747-KE,D17476.12 DH-485/RS-232C Interface Module - Manual (Page 92)

Publication 1747-UM005B-EN-P - March 2006
8-4 Application Examples
Backplane Configuration User Program
The following steps summarize the user program.
1. N10:0 is initialized.
2. The DF1 port config block is copied to the interface module.
3. The results of the DF1 config are checked.
4. The DH-485 port config block is copied to the interface module.
5. The results of the DH-485 config are checked.
6. The Modem Init String (1 to 14) config block is copied to the
Module.
7. The results of the Modem Init String (1 to 14) config are
checked.
8. The Modem Init String (15 to 28) config block is copied to the
Module.
9. The results of the Modem Init String (15 to 28) config are
checked.
10. The interface module is placed in Run mode.
At the end of this configuration sequence, data file N11:10-47 reflects
the configuration parameters as read from the interface module.
The user program for the backplane configuration example follows
starting on the next page.