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The ADAM-4021 analog output module receives its digital input through an RS-485 interface from the host computer. The format of the data is either engineering units, twos complement hexadecimal format or percentage of full-scale range (FSR), depending on the module ’s configuration. It then uses its microprocessor-controlled D/A converter to convert the digital data into output signals. You get a true readback of the analog output signal from the unit ’s ADC, which independently monitors the output. You can specify slew rates and start up currents through the configuration software. The analog output module can supply single-channel analog output in a range of voltages or currents. They protect your equipment from ground loops and power surges by providing opto-isolation of the D/A output. The transformer based isolation is up to 3000V DC. Impulse is a leading UK distributor of Advantech products and can supply you the ADAM-4021 along with a wide range of industrial computing and communication products. For more information about the ADAM-4021, please contact our technical sales team on +44 (0)1782 337 800, or alternatively submit an enquiry.
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Advantech RS-485 to 1 Channel Analog Output Module
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ADAM-4021-F
RS-485 to 1 Channel Analog Output Module
Spurious error messages, especially those from rolling-stock subsystems, can be difficult and time consuming to diagnose. Siemens Rail, in Manchester, wished to install a data logging system onto their rolling stock to transmit data in real-time back to their depot for efficient data analysis by their team.