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

Page 30

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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

ASCII port

program port

②④

executing program

program port

ASCII port

network

port

executing program

in Command mode

factory setting

DF1 protocol

disabled

executing program

If you previously executed a PROG2 (page 10 -13).

Mode settings of these ports determined by information you saved with a PROG1 (page 10 -12), PROG2, or MODE (page 11 -20).

Operating with default communication settings (1200, n, 8, 1, s). You may want to use this mode for troubleshooting purposes.

You must use PBASE software (1747-PBASE) if using the DH-485 port as the program port.

Chapter

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