• Maximum number of channels for PI Web API

    Hi Does anybody know if there is a (recommended) maximum for number of channels a PI Web API can handle? We are experiencing that when terminating the channels, it will create high load on the PI Web API service.
    Jesperoa
    last modified by Jesperoa
  • PI web vs PI JDBC

    Which PI technology is better to develop java client ? We heard that PI web API would be bit slower than PI JDBC. The solution should support on windows and  Linux operating systems. 
    dreampangari
    last modified by dreampangari
  • How can I get the list of contacts including their emails

    Hi all,   Is there anyway to get the list of contacts using PI Web API.   I need to list them all in the application that I'm working on, that includes the Email, Phone numbers addresses etc.   &#...
    RollyD
    last modified by RollyD
  • PI Web API vs PI JDBC

    Which PI technology is better to develop java client ? We heard that PI web API would be bit slower than PI JDBC. The solution should support on windows and  Linux operating systems. 
    dreampangari
    last modified by dreampangari
  • PI Web API query to expose event frames

    Hi ALL, I am trying to create a PI Web API query to retrieve all the open EventFrames in an AF database along with their attributes and attribute values.    POST https://<HostName>/piwebapi/batch HTTP...
    srikanth.nadikatla
    last modified by srikanth.nadikatla
  • PI Web API - Analysis Rule Creation

    Hello,   I'm now trying to create an Analysis Rule for the Analysis Template that I have created but I can't find a way how to do it.   I'm using this operation but the WebId of the Analysis Template that ...
    RollyD
    last modified by RollyD
  • tooltip for graphic objects converted from process book to PI Vision

    Hi PI Users,   We need to maintain a tooltip-like functionality in PI Vision graphic. When mouse is over an object, corresponding information to be shown in tooltip window in multiple lines (tabular format)....
    JkJung
    created by JkJung
  • Access a pi web api outside localhost

    I have set up pi web api in a google cloud vm instance. I am able to access the pi web api server in the virtual machine. Is there a way to access it outside the vm.
    Dilna
    last modified by Dilna
  • npm angular-piwebapi is missing

    I am unable to get angular-piwebapi any longer from npm. Where else I can get this? Thanks for your help.
    Karthik_Muthiah
    last modified by Karthik_Muthiah
  • Web API Server/Database/Element revision timestamps?

    I am looking to implement some caching in a WebAPI application. In PI AF I see all kinds of version history including creation and modification. Does WebAPI expose that anywhere? Nothing is jumping out at me in the docs.
    jdtubb@aep.com
    last modified by jdtubb@aep.com
  • Can someone confirm - what changes the Web ID for an attribute?

    I cannot seem to find this definitely in the documentation.  Example is an AF element with attributes(s) which are PI point references.  If querying via the PI Web API - please confirm that a change to t...
    bmccamant
    last modified by bmccamant
  • Web API Digital State Table Access?

    Does the Web API expose the Digital State table anywhere?
    jdtubb@aep.com
    last modified by jdtubb@aep.com
  • Getting HTTP Code 400 from every request

    Using a browser from Windows works just fine, but when I try to use Curl from Linux I have a problem. What am I doing wrong?   kinit -f   to get a forwardable ticket curl -k --negotiate -u : -H "Acce...
    NStefanisko
    last modified by NStefanisko
  • PI Web API POST request status 403

    Hi everyone, I have a problem regarding a post request to set a value for an attribute. I always get an 403 status. I do not have this problem with GET requests. I use UpdateValue POST streams/{webId}/value I se...
    HNeu
    last modified by HNeu
  • Product Release: PI Web API 2016 R2

    PI Web API 2016 R2 is released 2016-10-24 OSIsoft is pleased to announce the general availability of PI Web API 2016 R2. The PI Web API is a suite of REST services that provide access to PI System data. The product ...
    tmcmanus
    last modified by tmcmanus
  • PI Web API 2016 SP1 is released

    PI Web API 2016 SP1 is released 2016-07-27    OSIsoft is pleased to announce the release of PI Web API 2016 SP1. The PI Web API is a suite of REST services that provide access to PI System data. The produc...
    tmcmanus
    last modified by tmcmanus
  • Cannot connect to PI Server

    Hello everyone,   I cannot connect to my PI Server.   I have 3 machines in one domain. On the first one I have PI Server, second coresight and on the third one I uses PI SQL Commander. My problem occurs ...
    dpilc
    last modified by dpilc
  • PI Web SDK Authentication Issue

    I am trying to grab data from PI-Web-Sdk i can access data from web browser but unable to access it from rest client like POSTMAN. below is response of api. URL :https://<server-ip>/piwebapi/dataservers/s0aVm...
    QasimGulzar
    last modified by QasimGulzar
  • What has to be done in order to get the WebSocket enabled for PI Web API 2015 R3?

    I have recently upgraded to PI Web API 2015 R3. I am testing out the new Channel functionality. However, I cannot seem to get it to work. I am using a Windows Server 2012 R2 machine configured as a web server. I have ...
    shillman
    last modified by shillman
  • What is the most appropriate method of interfacing the PI System to a third-party web service?

    I have a data source providing both analogue and alarm events that must be archived by the PI System. The event rate will not be high and the exchange will be bidirectional. The PI System will store the analogue value...
    pverey
    last modified by pverey