Rockwell Automation Publication 1560F-UM001A-EN-P - June 2019 135
Chapter 7
Communications
Overview
The SMC-50 control module provides advanced communications capabilities
that allow you to start and stop it from multiple sources and provide diagnostic
information through the use of communication interfaces. The SMC-50 control
module uses DPI as an internal method of communication bus; therefore, all
standard DPI communication interfaces that are used by other devices (for
example, PowerFlex® Drives) can be used in the SMC-50 control module.
SCANport™ devices are not supported by the SMC-50 control module.
Standard DPI communications cards are available® for various protocols,
including DeviceNet, ControlNet, ModBus, and PROFIBUS DP. Other
modules may be available in the future. For specific programming examples,
configuration, or programming information, see the user manual for the
communication module being used. Table 45
shows a list of available modules.
Table 45 - Communication Card Selection by Protocol Type
Communication Ports
The SMC-50 control module supports four DPI ports for communication. Port
1 is for the front-mounted (bezel) Human Interface Module (HIM). Ports 2 and
3 are supported through the serial connection on the top of the device and are
typically used to interface with a door mounted HIM or a PC. Port 2 is the
default connection with port 3 available by installing a splitter on port 2. DPI
Port 4 is supported by connecting one of the communication cards listed in
Table 45
to the internal DPI communication card connection (SMC-50 control
module hardware controller port 9).
Protocol Type Cat. No. User Manual
DeviceNet 20-COMM-D 20COMM-UM002
ControlNet 20-COMM-C 20COMM-UM003
Profibus 20-COMM-P 20COMM-UM006
RS-485 20-COMM-S 20COMM-UM005
InterBus 20-COMM-I 20COMM-UM007
EtherNet/IP 20-COMM-E 20COMM-UM010
Dual Port EtherNet/IP 20-COMM-ER 20COMM-UM015
RS485 HVAC 20-COMM-H 20COMM-UM009
ControlNet (Fiber) 20-COMM-Q 20COMM-UM003
CANopen 20-COMM-K 20COMM-UM012
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