User guide

Overview of the 1785KA5
Communication Adapter Module
Chapter 1
1-3
The 1785-KA5 communication adapter module is available in two
versions:
Use this version If your application is
1771 I/O rack mount
(Cat. No. 1785-KA5/B)
primarily DH+ with multiple 1771 I/O racks and SLC 500
subnetworks within close proximity
standalone panel mount
(Cat. No. 1785KA5P/A)
primarily a SLC (DH485) environment with no 1771 I/O racks in
close proximity
Figure 1.1 shows the module’s hardware features:
Figure 1.1
1785KA5
module
Status LEDs
DH+ connection
(3-pin Phoenix
connector)
DH+ remote
programming port
DH485 connection
(6 -pin
connector)
External power (+ 5Vdc) connector
(4 -pin Phoenix connector)
19190
1785-KA5P/B panel mount
1785-KA5/B I/O rack mount
programming
connection (8pin
modular connector)
(9pin) Dshell
Phoenix