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PLC Inputs and Outputs Overview A Programmable Logic Controller (PLC) is a microprocessor-based digital electronic device, which uses a programmable non-volatile memory to store user-defined instructions and implement specific control functions like programming logic, and sequencing, timing, counting, and arithmetic operations to control various electro-mechanical systems and industrial processes. As a user, you can program […]
While small format, ultra-economical process controllers have been all the rage in recent years amongst automation manufacturers, their mid-scale counterparts have been quietly gaining upgrades and added feature sets in the background. Marketing efforts today focus largely on sustainability and eco-awareness, admirably suggesting that industry leaders try to do ‘more with less’, but there are […]
CompactLogix (1769) Processors Overview 1769 CompactLogix Processors are CompactLogix 5370 Programmable Automation Controllers (PACs) from Rockwell Automation/Allen Bradley. These controllers provide advanced control, communication, and I/O elements in a distributed compact package. The CompactLogix system is designed to bring together the benefits of a Logix platform- common programming, common control engine, and common network protocols- […]
Allen Bradley offers CompactLogix power supplies to meet the power requirements of CompactLogix controllers. Allen Bradley has two families of CompactLogix power supplies, 1768 CompactLogix, and 1769 compact input/output (I/O) expansion power supplies. These power supplies are specifically for powering the 1768 CompactLogix controllers, 1768 I/O modules, 1769-L3x CompactLogix controllers, and 1769 compact I/O modules. […]
CJC jumpers are cold junction compensators used in analog thermocouple PLC modules. To better understand the concept of Cold Junction Compensation (CJC) with CJC jumpers, let’s first review what is a thermocouple and its working principle. What is a Thermocouple? A thermocouple is a sensing device that measures temperature, it’s basically a high-temperature range thermometer. […]
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