Rockwell Automation 1785-KA5P/B DHP COMM. ADAPATER MOD. - Manual (Page 23)

Installing the 1785ĆKA5
Communication Adapter Module
Chapter 2
2-12
3. Use the 8-pin modular port labeled AUX to connect the SLC 500
programmer. Use an Allen-Bradley cable (cat. no. 1747-C10
series A):
Pin Signal
1 data (A)
2 -data (B)
3 (not used)
4 24v enable (internally connected to ground
pin 7)
5 TXEN (from HHT)
6 earth ground (chassis)
7 signal ground
8 +24V dc @ 105 ma
4. Use the 6-pin terminal block labeled DH485 to connect to the DH485
dropline. Use Belden #9842 cable:
Pin Signal
1 earth ground (chassis)
2 cable shield
3 signal ground/common
4 data (B)
5 -data (A)
6 termination
Colors for the Belden #9842 cable are shown below:
termination
orange/whiteĆstripe -data(A)
white/orangeĆstrip data(B)
6
5
4
blue/whiteĆstripe 3
drain cable shield 2
earth ground 1
a. Cut the white wire with the blue stripes from the twisted
wire pair. Do not use this wire.
b. Connect only one end of the trunk cable to earth ground
(chassis) by jumpering pins 1 and 2 together on the connector.