Hi Mohammad. 

XTR117 is 4-20mA 2-wire transmitter. If you are interested 3-wire transmitters, please see the attached file.  

/cfs-file/__key/communityserver-discussions-components-files/14/0334.4_2D00_20mA_5F00_Basics.pdf

/cfs-file/__key/communityserver-discussions-components-files/14/XTR117-Simulation-06242020.TSC

Best,

Raymond

Thank you so much for the feedback,

If we couple the 16bit DAC 5VDC output to an input of this circuit it's not working how to couple this?

can I get some more detailed information schematics like in one loop how to configure the selection type jumper for 4 wire and 2 wire its just 24VDC coupling to the loop with a loop safety system?

Hi Mohammad,

Is it effective for you to refer the following technical articles in regard to 2-wired application with the unipolar output 16bit DAC?

https://e2e.ti.com/blogs_/archives/b/precisionhub/archive/2015/02/20/industrial-dacs-how-to-protect-2-wire-transmitters

https://www.ti.com/tool/TIPD158?DCMP=thehub&HQS=tlead-dconv-pdc-hpa-pa-dac-thehub-20150220-rd-tipd158-en

Thank you and Best regards,
Iwata Etsuji

Hi Mohammad,

can you show your schematic using the XTR117?

Have you thought about using the XTR111?

See also this thread:

XTR115: How to Isolate IRET pin - Amplifiers forum - Amplifiers - TI E2E support forums

e2e.ti.com

Part Number: XTR115 Other Parts Discussed in Thread: XTR111 , XTR110 , THS4531 , OPA862 Hi every body I have a 4-20 mA current loop As my circuit input. I want

Kai

Thank you so much Kai,

I am planning to implement the schematics but unable to design it using XTR117, If you have some reference schematics which show 4-20mA output with 2wire or 4-wire selection type in one schematics.

DAC output is 0-5vdc that coupled to XTR117 or XTR111 as 0-5vdc input and output with respect to this 4-20mA with 2-wire or 4-wire configuration.

Regards

Wasim

Hi Wasim,

Here is the 4-20mA 3-wire Transmitter in XTR111 simulation. 

/cfs-file/__key/communityserver-discussions-components-files/14/XTR111_5F00_5V_5F00_to_5F00_4_2D00_20mA-06252020.TSC

Best,

Raymond

Dear Raymond,

My question is at output Iout + and Iout- pin We want 20-30VDC as well as 4-20mA signal and without 24VDC 4-20mA signal, this 20-30VDC selection schematics.

How to configure this using any XTR

Regards

Wasim.

Hi Mohammad,

it's very hard for me to understand your question. Can you please try again? :-)

Kai

Hi Mohammad,

This is XTR111 (3-wire transmitter) and RCV420 interface using +/-12V. With XTR117 or 2-wire transmitter, your 16bit DAC needs to have differential input to the XTR117. If 16bit DAC is single ended  output, then you need to convert the input from single-ended to differential  output. Rload is RCV420 in this case and Vloop is 24Vdc or 20-38Vdc, if the supply varies. 

In addition, 4-20mA output is a constant current source. You convert I-to V conversion by driving the current into a resistor. 

/cfs-file/__key/communityserver-discussions-components-files/14/XTR111_5F00_5V_5F00_to_5F00_4_2D00_20mA-_2B00_-RCV420-06252020.TSC

If you need further assistant, please let us know. 

Best,

Raymond