Rockwell Automation 1746-BAS BASIC LANGUAGE - Manual (Page 58)

Publication 1746-RM001A-US-P
4-18 BASIC Commands
Figure 4.1 Operation of PROG1 or PROG2
Is
battery backup
enabled?
Has
PROG1 or PROG2
been executed?
Is
battery-backed
RAM MTOP and
Port information
valid?
Initialize ports using
battery-backed RAM
Erase RAM
program
Erase MTOP and port
information in
battery-backed RAM
Copy EEPROM MTOP and
port information to
battery-backed RAM
Store default MTOP and
port information in
battery-backed RAM
Print sign-on message
Print checksum error
message
Enter command mode
Execute ROM1
Execute RAM program
Is
user EEPROM
checksum correct?
Has
PROG2
been executed?
Is
RAM program
present?
Print sign-on
message
Enter Command
Mode
Start
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No