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Key Automation Training
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Remote I/O Analog - do you use "blue hose" for analog I/O?

Many Allen-Bradley PLC-5 processors are now being upgraded to use newer ControlLogix processors – while still keeping in place (at least temporarily) the plant’s reliable old “1771” style I/O hardware – and all of its installed wiring.

At the ControlLogix end of the line, a 1756-DHRIO “bridge” module provides a means of connecting the existing cables (known as “blue hose”) to the new controller system.

This common situation presents some serious challenges to the maintenance crew – especially where the older “1771” style analog input and output modules are involved.

This is a common arrangement, so our Boot Camp classes can provide hands-on exercises for students who require this specific level of training.

Reference material on Allen-Bradley’s website for 1771-ASB

Reference material on Allen-Bradley’s website for 1771-IFE

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