![]() ![]() Arithmetic/Special Units An arithmetic unit is a hardware subsystem that performs arithmetic operations on binary inputs.Panel Meters/Displays Panel meters are instruments that display an input signal in an analogue or digital form.Usually a transducer converts a signal in one form of energy to a signal in another. Transducers A transducer is a device that converts energy from one form to another.The digital output controls the variation of a physical unit in a system measured by temperature sensors or normalized signals and operates when the measured value goes outside predetermined limits, energizing or de-energizing the relay controlling devices like valves and actuators. Trip Amplifiers A trip amplifier is a device that allows an Analogue signal to be converted to a Digital output.They protect against dangerous measured-variable voltages and increase protection from surges and spikes. ![]() Signal isolators also break the direct electrical galvanic path between two or more loop points. They couple the signal to the output through a transformer or optical isolator. Signal Isolators Signal isolators provide electrical (galvanic) isolation between the input and output circuits.This is because of the nature of testing itself. In the machinery or test environment, signal transmission is of critical importance. KNICK BL541 Loop powered Signal Isolator Accuracy, < 0.2 full scale Test voltage, 1.5 kV AC Working voltage, 300 V AC/DC Working voltage, Loop-powered. In the case of mechanical equipment, a signal transmitter sends a process signal like temperature, pressure or humidity from a measurement apparatus to an electronic device like a panel meter, controller or computer. A signal transmitter is a device that transmits data from one place to another. Many times choosing the right isolator requires more than just comparing the number of channels and the cost per point. ![]() In addition to the pure conversion of signals, signal converters also offer the possibility of filtering or linearizing signals. Signal Isolators For Signal Conditioning As your I/O experts, Acromag is here to help Below are three of our most popular application notes and whitepapers related to our signal isolators.
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