Allen-Bradley 1746-BAS, User Manual, Page: 72 / 84

Publication 1746-UM004A-US-P
B-2
What to Do Next: Give a copy of this worksheet to the hardware installer. Store
this worksheet with your application program for future reference.
Port PRT2 Configuration
(Jumper JW2) See Figure 3.1 on page 3-1 for the locations of the four jumpers.
See Figure 3.3 on page 3-3 for jumper JW2 pin assignments and settings.
Specify the configuration of port PRT2 on your module by filling in the table
below.
What to Do Next: Give a copy of this worksheet to the hardware installer. Store
this worksheet with your application program for future reference.
Table B.1 Port PRT1 Configuration
Port Configuration Selection Corresponding Jumper Position on JW1
PRT1 RS-232/423 Across pins 1 and 2, 3 and 4
RS-422 Across pins 5 and 6, 7 and 8
RS-485 Across pins 7 and 8, 9 and 10
Table B.2 Port PRT2 Configuration
Port Configuration Selection Corresponding Jumper Position on
JW2
PRT2 RS-232/423 Across pins 1 and 2, 3 and 4
RS-422 Across pins 5 and 6, 7 and 8
RS-485 Across pins 7 and 8, 9 and 10