Plc I/O Network Topology; Chapter 3 - Controledge Plc - Honeywell ControlEdge 900 platform Hardware Planning And Installation Manual

CHAPTER
3
CONTROLEDGE PLC
Honeywell ControlEdge 900 family comprises a set of hardware and
software enabling users and OEMs to assemble a system that fits a
broad range of requirements. Any configuration can be readily
modified or expanded as requirements dictate.
This section provides the following information:
PLC Expansion Network Topology
n
Hardware Configuration of PLC-CPM
n
Hardware configuration of EPM
n
Hardware configuration of I/O module type
n
Device Replacement
n

PLC I/O Network Topology

The ControlEdge PLC is configured with a non-redundant Control
Processor Module (CPM) or a redundant CPM. This section provides
details of each configuration.
ControlEdge PLC includes provisions for communication via Ethernet
with host systems such as the Honeywell Experion Human Machine
Interface (HMI) and other HMI software that support Modbus/TCP or
OPC UA protocols. The communication structure of the ControlEdge
PLC enables remote placement of input/output components, allowing
economies in cabling and wiring.
The Ethernet ports provide a layer of protection against cyber-attacks.
Multiple layers of protection are always considered good cyber-
security practice so using a firewall device configured to prevent
uncontrolled messages into the CPM is advised. The figures in this
manual assume the firewall is installed properly above the CPM's
Ethernet port(s) ETH1 and ETH2.
While the CPM has an embedded firewall, it is still recommended to
apply network firewall(s) to the control system as the application
requires.
Close all Ethernet ports into PLC-CPM except:
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