B-4
Program Port and
Protocol Selection
(Jumper JW4)
Publication 1746-UM004A-US-P
See Figure 3.1 on page 3-1 for the locations of the four jumpers.
See Figure 3.5 on page 3-5 for jumper JW4 pin assignments and settings.
Specify the Program Port and its protocol by filling in the table below.
Table B.4 Program Port and Protocol Selection
Selection Port
Program
Port?
PRT1
YES
PRT2
NO
DH485
NO
PRT1
NO
PRT2
NO
DH485
YES
PRT1
YES
PRT2
NO
DH485
NO
PRT1
YES
PRT2
NO
DH485
NO
What to Do Next: Give a copy of this worksheet to the hardware installer. Store
this worksheet with your application program for future reference.
Protocol
Corresponding Jumper
Position on JW4
Default Communication
Settings
ASCII Interface
Across pins 3 and 4, 5 and 6
Run Time DH485
ASCII Interface
ASCII Interface
Across pins 1 and 3, 2 and 4
DH485 Program Port
(non-isolated)
Programmed
Communication Settings
ASCII Interface
Across pins 3 and 5, 4 and 6
Run Time DH485
Programmed
Communication Settings
DF1
Across pins 1 and 2, 3 and 4
Disabled
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