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SerafinTech / ST-node-ethernet-ip

Connect to PLC controllers with Node and Ethernet/ip
MIT License
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why doesn't await PLC.getControllerTagList(tagList) work? #18

Closed planetixin closed 2 years ago

planetixin commented 2 years ago

Current Behavior

returns: node:436) UnhandledPromiseRejectionWarning: # (Use node --trace-warnings ... to show where the warning was created) (node:436) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). To terminate the node process on unhandled promise rejection, use the CLI flag --unhandled-rejections=strict (see https://nodejs.org/api/cli.html#cli_unhandled_rejections_mode). (rejection id: 1) (node:436) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.

Expected Behavior

it should get tag list from PLC.

Possible Solution (Optional)

Context

const {Controller, Tag, TagList} = require('ethernet-ip');

const PLC = new Controller(); const tagList = new TagList();

PLC.connect('address ip', 0).then(async () => { await PLC.getControllerTagList(tagList); console.log(tagList);

});

Steps to Reproduce (for bugs only)

1. 2. 3. 4.

Your Environment

  • Package version (Use npm list - e.g. 1.0.6):
  • Node Version (Use node --version - e.g. 9.8.0):
  • Operating System and version: windows 7
  • Controller Type (eg 1756-L83E/B):
  • Controller Firmware (eg 30.11):
SerafinTech commented 2 years ago

Should be require('st-ethernet-ip') .To show the actual error add a catch() to the end of the PLC.connect() function. reply back what you get.

const {Controller, Tag, TagList} = require('st-ethernet-ip');

const PLC = new Controller();
const tagList = new TagList();

PLC.connect('address ip', 0).then(async () => {
await PLC.getControllerTagList(tagList);
console.log(tagList);

}).catch(e => { console.log(e) } );
planetixin commented 2 years ago

something like that? { generalStatusCode: 5, extendedStatus: [ 0 ] }. now it doesn't want to work even without anything inside PLC.connect('ip adress', 0).then(async () => {})

SerafinTech commented 2 years ago

That error is Request Path destination unknown: Probably instance number is not present

Are you connected to the ethernet port on the controller or a card plugged into a slot?

Also double check IP address and check controller properties on the security tab that you don't have the communications restricted.

What model of PLC is it?

planetixin commented 2 years ago

I pinged that address ip and everything is fine. PLC model is Intel(R) 82579LM Gigabit Network Connection.

SerafinTech commented 2 years ago

PLC models that this library is compatible with are Compactlogix and Controllogix from Allen Bradley. I believe Intel(R) 82579LM Gigabit Network Connection is not a PLC

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