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EHELP: How do I account for the linearization function representing the volume measurement in a cone-shaped bottom tank at various levels?

EHELP: How do I account for the linearization function representing the volume measurement in a cone-shaped bottom tank at various levels?

Q.  We want to use a SPD Field-Mount Programmable Loop Display with a radar transmitter mounted on the top of a cone-shaped bottom tank that outputs 4-20mA signal, and we would like to know how to account for the linearization function representing the volume measurement in the tank at various levels?

Published: April 12, 2017

EHELP: Can the ECT-DIN, be configured for a 4-20mA input and 4-12mA split range output?

EHELP: Can the ECT-DIN, be configured for a 4-20mA input and 4-12mA split range output?

Q. Can the ECT-DIN, configured for 4-20mA input and 4-20mA output, be calibrated to give 4-12mA output when the input is 4-20mA so that the output is 1/2 the input? We have a radio I/O signal that is scaled to 4-20mA for 0-65, 535raw units. When sent to the PLC over Modbus, it can't be read properly since the maximum register value size for the PLC is limited to 32767.
Published: March 29, 2017

EHELP: Configure the HIM HART Interface Monitor as a HART Master

EHELP: Configure the HIM HART Interface Monitor as a HART Master

Q. I want to split out the HART variables from a smart multi-variable transmitter's 4-20mA analog output.  My preference is to have the secondary variable (SV) and tertiary variable (TV) represented as additional 4-20mA outputs so I can connect those to spare analog input channels in my DCS.  Can the HIM do that?

Published: March 15, 2017

EHELP: Signal Isolator With an Input of 0-5VDC

EHELP: Signal Isolator With an Input of 0-5VDC

Q. We are looking for a signal isolator with an input of 5VDC and an output of 4-20mA, output loop powered with a 12-42vDC supply range. Can the ECT-DIN do this?

Published: February 28, 2017

EHELP: Application for an Analog Splitter

EHELP: Application for an Analog Splitter

Q. I have an application that requires an analog splitter. The single input signal to the splitter comes from a transducer, and the transducer requires loop power. The two outputs are going to an active analog monitoring card on a PLC, which provides power to the connected 4-20mA signals. Is the ECT what I need?

Published: February 9, 2017
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