Rockwell Automation 1771-DB BASIC MODULE - Manual (Page 33)

Chapter
Installing the BASIC Module 1
1 -9
Set Battery Enable Jumper (JW7)
Use JW7 to enable the battery. To conserve the battery, your module is
shipped with the battery disabled. When the BASIC module is in use, you
should enable the battery. If you do not enable the battery, your program is
not backed up if a power failure occurs.
To: Set jumper: ✔ your selection:
enable the battery
disable the battery
factory
setting
Set PRT1 and PRT2 Configuration Jumpers (JW8 and JW9)
Use JW8 to configure the communication mode for the PRT1 port.
Use JW9 to configure the communication mode for the PRT2 port. Set
your jumpers to the correct communication based on the device you want
to connect to the BASIC module.
For this communication: Set jumper: ✔ your selection:
RS485
RS422
RS232
factory
setting
Refer to Chapter 2 for more information regarding communication
settings.
Chapter