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  1. CTI - Classic - Processors
    CTI - Classic - Processors SKU: 2500P-J750
    CTI – Janus PAC CPU with 3GB User Memory/ 15GB Program Data, 16K Discrete I/O, 16K Analog I/O, 4 Ethernet Ports, Remote I/O Port, Profibus Port, Web Server, SD Memory Card for storage, requires Janus Workbench software for IEC-61131-3, supports 505 protocols, Modbus RTU/TCP, Ethernet/IP Scanner/Adapter, MQTT Learn More
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Programmable Controller System for Process Automation

CTI designs and manufactures advanced control, communications and I/O products for process control based on the legacy TI 505 platform. While many other PLC manufacturers introduce new generations of (often incompatible) equipment about every 10 years and issue increasingly dire warnings about the pitfalls of failing to migrate to their new platforms, CTI has always followed a different approach. They focus on the needs of customers to continue operating their plants as safely, efficiently, and cost effectively as possible with the least amount of disruption.

Upgrade your Control System with CTI's 2500 series

Upgrade your Simatic/TI 505 Series Bases, Power Supplies, I/O, and Remote Base Controllers to the new CTI 2500 Series products. The CTI 2500 Series® allows customers to modernize existing controls without expensive re-wiring, reprogramming, retraining, or product line shutdowns. Upgrading a control system with modern-day replacements of old components and/or enhancing performance with new advanced function modules — all of which are backward compatible — mitigates risk during migration and allows reuse of existing application programs and hardware — reducing cost and downtime.



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The Most Advanced PLC - CTI Janus PAC

CTI is pleased to introduce Janus Programmable Automation Controllers for the 2500 Series® System. The new Janus PACs look both to the future with state-of-the-art programming, protocols and capabilities as well as to the past to work seamlessly with existing Siemens/TI 505® and CTI 2500 Series systems.

  • Up to 10x execution speed compared to current 2500 Series CPUs
  • Four independent or switched Ethernet ports with extensive built-in communications capabilities, including Modbus TCP, Ethernet/IP, MQTT to access the IIoT, and 505 CAMP (Profinet and OPC-UA protocols coming soon)
  • Built-in Remote I/O and Profibus interfaces with support for all existing 2500 Series discrete and analog modules, Classic and Compact

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Seamlessly Replace all Simatic® 545 and 555 controllers

CTI offers controllers that are supported by a complete range of digital, analog, and specialized I/O modules, power supplies, and I/O bases.

Connects to CTI and legacy Siemens® /TI CPUs over Ethernet

Several models with differing I/O capabilities allow you to customize the solution to your needs.

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