Set operating mode jumper (jw4) – Rockwell Automation 1771-DB BASIC MODULE User Manual
Page 30

Chapter
Installing the BASIC Module
1
1 -6
Set Operating Mode Jumper (JW4)
Use JW4 to configure your communication ports as a program port, ASCII
port, network port, or DF1 protocol. Also configure your power on
operating condition. Refer to Chapter 2 for more information regarding the
operation mode.
If PRT1 is:
and PRT2 is:
and DH485 is:
and action at power
up is:
Set jumper:
✔ your selection:
ASCII port
②
ASCII port
②
program port
②④
executing program
①
program port
②
ASCII port
②
network
port
②
executing program
①
in Command mode
factory setting
DF1 protocol
②
disabled
executing program
①
①
If you previously executed a PROG2 (page 10 -13).
②
Mode settings of these ports determined by information you saved with a PROG1 (page 10 -12), PROG2, or MODE (page 11 -20).
③
Operating with default communication settings (1200, n, 8, 1, s). You may want to use this mode for troubleshooting purposes.
④
You must use PBASE software (1747-PBASE) if using the DH-485 port as the program port.
Chapter