Chapter 1 Introduction; Janus Controller Overview - CTI Janus 2500C-J Series Installation And Operation Manual

Programmable automation controller
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CHAPTER 1

1.1 Janus Controller Overview

The CTI Janus Process Automation Controller (PAC) is an advanced, high-performance CPU with unmatched built-in
communications capabilities. All CPU models provide a number of beneficial features.
Flexible Programming Support
The Janus controller allows you to program in languages that best fit your application requirements and your
programming expertise. The following IEC 61131-3 compliant languages are supported:
Relay Ladder Logic (RLL)
Function Block Diagram (FBD)
Structured Text (ST)
Sequential Function Chart (SFC)
Instruction List (IL)
A single project can contain programs written in different languages. Programs written in one language can be
easily translated to another language to help with long term application support.
Integrated Ethernet Communications
Extensive communications support is included in the Janus controller, eliminating the need for separate
communications modules. The controller provides four isolated Ethernet ports, any of which can be used to
provide redundant network paths or to connect to different networks. The controller can be configured with
multiple IP addresses and communicate concurrently on up to four different IP networks.
Ethernet Data Communications Protocols
The controller supports the following data communications protocols:
CAMP Client (used to communicate with CTI 2500 Series CPUs and Ethernet modules)
CAMP Server (allows data access from HMI/SCADA workstations using CAMP Client drivers
CTI Enhanced Data Cache Client (optimized interface to CTI 2500 Series CPUs)
Ethernet I/P Tag Client (used to communicate with Rockwell Logix controllers)
Ethernet I/P Server (allows data access from HMI/SCADA workstations using Tag Client drivers)
MQTT Client (support for IIOT (Industrial Internet of Things).
Custom TCP/UDP client and server applications using network socket management functions
Ethernet I/O Protocols
The controller supports:
Open Modus Client (TCP or UDP)
Open Modbus Server (TCP or UDP)
Ethernet I/P Scanner (supports Implicit I/O messages and CIP Explicit messages)
Ethernet I/P Adapter (provides an interface for EIP I/O Scanners and CIP Explicit Message Clients)
Profinet Controller I/O support is planned for the near future
10
INTRODUCTION
CTI Janus Programmable Automation Controller IOG

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