What's New


Blog


«May 2018»
MonTueWedThuFriSatSun
30123456
78910111213
14151617181920
21222324252627
28293031123
45678910

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

EHELP: What are the advantages and limitations of HART protocol or an instrument with embedded MODBUS communication?

EHELP: What are the advantages and limitations of HART protocol or an instrument with embedded MODBUS communication?

Q: What are the advantages and limitations of HART protocol or an instrument with embedded MODBUS communication? How many instruments can the HCS interface in the same loop? Are we able to read/write the five instruments at the same time using HART?

Published: January 24, 2017

EHELP: STA Latching Checkbox

EHELP: STA Latching Checkbox

Q: We do not have sufficient PLC digital output spares to perform a Manual Reset of the three installed safety temperature controllers. We are going to remove the alarm latching on both limits and faults on our STA Functional Safety Alarm Trip. The Manual Reset radio button stays active in the STA configuration software. Will the latches clear after we are outside the dead band limits? 

Published: January 10, 2017
RSS
12345