Publication 1764-UM001A-US-P
2-6 Component Selection
1784-KR DH485 Interface Card
The 1784-KR DH485 Interface Card enables your personal computer to
communicate across the DH485 network to the module without the interface/
converter. Figure 2.3 shows a DH485 network configuration with the 1784-KR
DH485 Interface Card and its host computer linked with the module through a
link coupler.
In this configuration, your personal computer must have the 1784-KR DH485
Interface Card installed in one of its expansion slots. The DH485 data link
connector on the 1784-KR card and port DH485 on your module are interfaced
with the DH485 network through a 1747-AIC link coupler. Port DH485 must be
configured as the program port in this configuration.
DH485 Cable
Requirements
Use the 1747-C10 cable, 1747-C11 cable, or 1747-C13 cable to interface port
DH485 of the module with a 1747-AIC link coupler. Use the DH485
communication cable, Belden #9842, to interface between the link couplers on the
DH485 network.
Refer to the SLC 500 Fixed and Modular Style Programmable Controller’s Installation
and Operation Manuals (publication numbers 1747-6.1 and 1747-6.2) for
additional information on DH485 cables.
Components Required
for DF1 Communication
Your module may use DF1 to communicate with external devices. The DF1
driver is accessed through port PRT2. The module communicates with the
external devices using one of the following:
• a leased phone line
• a radio link
• a dial-up modem
Refer to the following sections for additional information on these components.
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