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The GE-Emerson IC660BBA104 Genius Current-Source Analog I/O Block interfaces a controller to devices that provide or accept 4 to 20mA analog signals. It has four 4 to 20mA current inputs. Each input provides a 24V current loop power supply and is isolated from all other circuits within the block. The two output channels provide power and control of two 4 to 20mA current loops. The output channels and BSM circuitry are electrically common, but isolated from the inputs.
All circuits on the block support independent selection of linear scaling values. These values can be used to convert the internal values into engineering units suitable for the application.
Block diagnostics include:
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