Month: March 2026

• Simple configuration, maintenance and operation

• Single point of connect no matter what distance

• High-speed communication for real-time control

• High Availability support for maximum up-time

Introduction

Equipment builders are continuously looking for ways to improve the performance and flexibility of their equipment while

reducing size and complexity. Fast, easy-to-configure connectivity to Emerson’s PACSystems controllers and extensive range

of I/O options enables scalable machine automation and highly distributed modular machine designs. The end result is high

performance automation for the industrial internet.

High Performance

Analyze and improve even the most complex application right at the source. The latest RX3i Controllers now offer multiple

processing cores, allowing you to do more with your Controllers. A large working memory in every high-speed RX3i Controllers

lets you store more data and access it faster than ever before. The RX3i offers premier, high-speed performance and data

handling across any multi-disciplined control system. Whether you’re accessing consistent gigabit speed data across the

backplane or over fiber, kilometers away, the RX3i Controllers are built for rapid, reliable performance.

PROFINET Advantage

PROFINET® I/O solutions can provide productivity and performance advantages for virtually any type of control application

in a range of industries. Connect to any of Emerson’s purpose-built I/O families through a PROFINET interface for advanced

flexibility and performance.

Labor Saving Open Programming

and Fleet Management

For many companies, expert technical talent is hard to find,

hard to keep, and expensive. To combat this triple threat,

an effective strategy when it comes to automation is to seek

solutions which not only save time but can also be effectively

used by a larger talent pool.

That’s why in addition to supporting traditional IEC 61131

languages, the RSTi-EP CPE200 compact controllers also

natively support C, one of the world’s most popular and

easiest-to-use programming languages. This makes it faster

and easier for more engineers to write and run the high-

performance algorithms that enable proprietary production

strategies and advanced automation technologies.

Another labor-saving feature is the capability to execute

fleet-wide application commissioning and updates without

ever connecting a laptop. Simply store application variables

to an SD card from User Logic to enable portable individual

unit tuning parameters on standardized machine control

application deployments.  Use these for deploying

standardized tuning parameters across a set of machines

or for toolless controller replacement in the unlikely

event of a failure.

One Runtime. One Tool Chain.

Since the PACSystems RSTi-EP CPE200 compact controllers

use the same runtime as existing RX3i controllers, users can

leverage their existing application libraries and templates

while scaling footprint and performance for smaller application

installations. Fast, easy-to-configure PACSystems technology

and an extensive range of native I/O options support scalable

automation and highly distributed modular machine designs.

Open Communications to Enable

Supply Chain Flexibility

In today’s interconnected global economy, unexpected external

events create disruptions which have a massive impact on

narrow and rigid sourcing plans. Now more than ever companies

need to design systems with supply chain flexibility in mind.

To build a pliable supply strategy, leading companies are

seeking products which anticipate uncertainty and offer

them the maximum freedom to effectively operate

no matter what happens.

The RSTi-EP CPE200 compact controller series is designed

to enable supply chain flexibility. We have built-in open

communications to allow you to easily connect a very wide

range of 3rd party devices. With real time I/O networking

capabilities, up to 3x 1-Gbps Ethernet ports and support of all

popular communication protocols including PROFINET©,

OPC UA, Modbus/TCP, and DNP3 the RSTi-EP CPE200

compact controller gives you the resilience to succeed.

Cybersecurity Out of the Box

Industrial controls are constant targets of cyber threats.

We understand the risk involved in securing our customers’

most important assets. We believe in defense-in-depth

architectures to secure assets from potential cyber threats.

With Achilles Level 2 Certification, the RSTi-EP CPE200

compact controller series has been developed to be secure

by design, incorporating technologies such as Trusted

Platform Modules, and secure boot to prevent malicious

applications and “unauthorized” operating systems.

A centralized configuration allows encrypted firmware updates

to be executed from a secure central location. A broad suite of

cyber-security technology and tools help prevent unauthorized

updates while built-in secure communication protocols help

protect against man-in-the middle and denial of service attacks.

Compact  Programmable Automation Controllers

Everything you need today to meet the business challenges of tomorrow

With security-by-design, open programming, and open

communications built in, the RSTi-EP CPE200 compact

controller series simplifies connectivity to traditional sensors

and actuators as well as external analytics software platforms

while reducing cost and complexity for OEMs and end users.

Using the same high-performance runtime and toolchain

as the PACSystems™ RX3i large controllers, this compact

controller series delivers large Programmable Logic

Controller (PLC) capability in a small, cost-effective,

IIoT-ready form-factor so machine manufacturers need

not sacrifice productivity or performance.

Cybersecurity Out of the Box

Industrial controls are constant targets of cyber threats.

We understand the risk involved in securing our customers’

most important assets. We believe in defense-in-depth

architectures to secure assets from potential cyber threats.

With Achilles Level 2 Certification, the RSTi-EP CPE200

compact controller series has been developed to be secure

by design, incorporating technologies such as Trusted

Platform Modules, and secure boot to prevent malicious

applications and “unauthorized” operating systems.

A centralized configuration allows encrypted firmware updates

to be executed from a secure central location. A broad suite of

cyber-security technology and tools help prevent unauthorized

updates while built-in secure communication protocols help

protect against man-in-the middle and denial of service attacks.

Easy Troubleshooting and

Machine Setup

Using integrated PAC Machine Edition (PME) software, you can

easily configure VersaMax I/O. PME is the same software as all

PACSystems CPUs so you only need a single tool from small to

large applications. This approach utilizes the same hardware

configuration, network configuration, and programming

editors. HMI development is also streamlined with a single tag

database for QuickPanel+ HMIs.

Specifications

Mounting Format

n DIN Rail

Network Interfaces

n PROFINET

n PROFIBUS DP

n Modbus/TCP

n Ethernet Global Data (EGD)

n DeviceNet

n GENIUS

Gateways/Bridges

n Modbus/RTU

n PROFIBUS Master

Network Redundancy

n MRP

System Redundancy

n PNSR, EGD or GENIUS

I/O Redundancy

n via Application Code

Marine

n ABS*

n BV*

n DNV GL*

*(only select models)

Media Support

n Copper and MM Fiber

Media Connector

n 2x RJ45 or 2x ST

Galvanic Isolation

n Yes

Hot Swap

n Yes

Environmentals

n IP20

n 0˚C to 60˚C (-40˚C to 60˚C  available)

n Conformal Coat options available

Agency Approvals

n UL

n UL HazLoc C1D2

n CE

n ATEX Zone 2

Channel Density

n 4-32 points

Max Wire Gauge

n 14

Max I/O per Drop

n 1024

I/O Module Size  (W x H x D)

n 66.8 x 163.5 x 70 mm

Offering Big PLC Power

in a Small Package

VersaMax Modular CPUs supply a number of features usually

found only in PLCs with larger footprints, including up to

128kB of memory for application programs, floating point

math, real-time clock, subroutines, PID control, flash memory,

and bumpless program store. The serial ports support serial

read/write and Modbus master/slave communications.

An Abundance of Useful I/O Options

Emerson offers a broad range of discrete, analog, mixed, and

specialty I/O modules. These modules can be freely combined

to create stand-alone I/O stations with up to 256 I/O points

and expanded I/O systems with up to 2048 I/O points.

The Perfect Match for Today’s

Open Systems

VersaMax gives you the freedom to connect to a wide variety

of host controllers, including PLC, DCS and PC-based control

systems by way of PROFINET (remote I/O only), Modbus/TCP,

and other Ethernet networks as well as Genius, DeviceNet,

Profibus-DP. VersaMax also fully supports the power and open

architecture of Emerson’s PC Control solutions.

Maximum versatility is the guiding principle

behind VersaMax from Emerson. This compact,

extremely affordable, control solution can be

used as a compact PLC, distributed I/O, or

distributed control. With its modular and

scalable architecture,  intuitive features and ease

of use, this innovative control family can save

machine builders and end users considerable

time and money.

The Ultimate in Cost-effective

Control and I/O

With intuitive diagnostics, hot insertion of modules and quick

connect wiring, VersaMax extends uptime, reduces engi

neering and training needs, and dramatically reduces project

lifecycle costs.

A Design that Maximizes Ease of Use

Every aspect of VersaMax has been carefully refined to

accommodate the user. Snaptogether I/O carriers mean that

no tools are required for module installation or extraction.

A convenient rotary switch can be used for setting bus

addresses, reducing programming time. With VersaMax,

you can even address I/O automatically.