Newest 420ma questions electrical engineering stack. Xtr111 the xtr111 is made for unipolar output, can only source current and needs to be hard wired for current or voltage. How a 420 ma current loop works instrumentation and. There are two ways to loop check a 420 mahart transmitter current loop. Some advantages compared to sending a voltage is that the resistance of the cable doesnt affect accuracy and devices may be powered from the same pair of wires. All i seem to get through the archos device is a link to the store to order it but in french only. To keep it simple, this will simulate 420ma or called as 420ma signal generator.
Loop check of 420ma or hart transmitters instruments. Maxims max14626, the industrys first 420ma current loop protector for industrial analog input modules, protects the sensor by restricting the amount of current with a current limit switch. I have the archos 5 imt and was trying to purchase the ndrive gps maps for north america since my 7 day free trial expired. Xtr110 the xtr110 is similiar to the xtr111, but includes a 10v reference instead of of a voltage regulator. Application to monitor 420ma current loop in industrial applications. Need ndrive maps for north america android devices.