Interface Documentation


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HG1+ Replacement


Hi, I have another ongoing ticket on a issue I had with a couple of HG1s, I have put a post in that ticket but received no response. I would like to request a replacement for the second HG1 unit we have here, as we tried to get it to work previously and had no luck. The machine we need …

HG1+ and POE installation


We bought a few HG1+ HART modems a few years ago for one of our customers to use with our flow meters.  We are a Yokogawa representative in the US, and our customer is using our Yokogawa digitalYEWFLO vortex flow meters for steam flow.  Our customer is finally starting to use them after all this time, they just got the …

HG1+ Intelligent HART Gateway Temperature rating

John Perdikis

Hello I was trying to find the temperature rating for the HG1+. I could not find this in the manual. Could you provide me what the minimum and maximum temperatuire rating of the device?

HG1+ Setup for Single Yokogawa Hart to Modbus/IP


A previous employee purchased and installed several HG1+ panels wired to Yokogawa HART Steam meters with the intent to have the steam meters report back to our OSISoft PI system via Modbus/IP.  That employee has left and the communications were never setup.  We don’t have any history of what was done prior to now, but it doesn’t appear that any …

compatibility table

I seen a situation where I used a newish version of Raptools config tool on an older piece of hardware and the run light blinked and didnt start after I programmed it. Can I get a table that shows compatibility of software tools to hardware versions please   Regards Michael Gigli

HG1+ gateway not responding


The most recent HART gateway we purchased is just now getting started up. We are having a difficult time getting the IP address change to take effect, and the unit seems to be “out to lunch”, ie, although it can be discovered, it will not reboot, or accept a configuration file. The gateway and laptop are on an isolated network, …