Hi,
I am new to forum, below is the code for node red flow to write the value to opc client.
the purpose is to first read the setpoint and then change the set point in it by increasing/decreasing arrow. but issue is its not working and showing error "the value supplied for the attribute is not of same type as attribute value"
Please help me.
[
{
"id": "34b4a94d7b272c32",
"type": "tab",
"label": "Flow 2",
"disabled": false,
"info": "",
"env": []
},
{
"id": "6d8a13ae2c065bfd",
"type": "inject",
"z": "34b4a94d7b272c32",
"name": "",
"props": [
{
"p": "payload"
},
{
"p": "topic",
"vt": "str"
}
],
"repeat": "1",
"crontab": "",
"once": false,
"onceDelay": 0.1,
"topic": "",
"payload": "",
"payloadType": "num",
"x": 170,
"y": 180,
"wires": [
[
"433e18ac38e77f47"
]
]
},
{
"id": "433e18ac38e77f47",
"type": "OpcUa-Item",
"z": "34b4a94d7b272c32",
"item": "ns=2;s=Q02.D1.Dev01.d366",
"datatype": "Int32",
"value": "",
"name": "Read",
"x": 370,
"y": 180,
"wires": [
[
"256e2c11a56705c2"
]
]
},
{
"id": "256e2c11a56705c2",
"type": "function",
"z": "34b4a94d7b272c32",
"name": "function 9",
"func": "msg.payload = msg.payload / 10.00;\nreturn msg;",
"outputs": 1,
"timeout": 0,
"noerr": 0,
"initialize": "",
"finalize": "",
"libs": [],
"x": 560,
"y": 180,
"wires": [
[
"24205a69fe8b70e9"
]
]
},
{
"id": "24205a69fe8b70e9",
"type": "ui_numeric",
"z": "34b4a94d7b272c32",
"name": "",
"label": "numeric",
"tooltip": "",
"group": "d783cb980c3979fc",
"order": 40,
"width": 0,
"height": 0,
"wrap": false,
"passthru": true,
"topic": "",
"topicType": "str",
"format": "{{value}}",
"min": 0,
"max": "100",
"step": 1,
"className": "",
"x": 780,
"y": 180,
"wires": [
[
"c38635f0199e45bd"
]
]
},
{
"id": "c38635f0199e45bd",
"type": "function",
"z": "34b4a94d7b272c32",
"name": "function 10",
"func": "msg.payload = msg.payload / 10.00;\nreturn msg;",
"outputs": 1,
"timeout": 0,
"noerr": 0,
"initialize": "",
"finalize": "",
"libs": [],
"x": 980,
"y": 180,
"wires": [
[
"78cc844f987230e6"
]
]
},
{
"id": "53e854383a6c8484",
"type": "OpcUa-Client",
"z": "34b4a94d7b272c32",
"endpoint": "274c4b3760e8209a",
"action": "write",
"deadbandvalue": "",
"time": "",
"certificate": "n",
"localfile": "",
"localkeyfile": "",
"useTransport": false,
"maxChunkCount": "1",
"maxMessageSize": "8192",
"receiveBufferSize": "8192",
"sendBufferSize": "8192",
"name": "",
"x": 680,
"y": 340,
"wires": [
[],
[]
]
},
{
"id": "78cc844f987230e6",
"type": "OpcUa-Item",
"z": "34b4a94d7b272c32",
"item": "ns=2;s=Q02.D1.Dev01.d366",
"datatype": "Int32",
"value": "",
"name": "write",
"x": 430,
"y": 340,
"wires": [
[
"53e854383a6c8484"
]
]
},
{
"id": "d783cb980c3979fc",
"type": "ui_group",
"name": "Test Demo",
"tab": "0449b3b1fea99d52",
"order": 1,
"disp": true,
"width": 21,
"collapse": false,
"className": ""
},
{
"id": "274c4b3760e8209a",
"type": "OpcUa-Endpoint",
"endpoint": "opc.tcp://127.0.0.1:49320",
"secpol": "None",
"secmode": "None",
"none": true,
"login": false,
"usercert": false,
"usercertificate": "",
"userprivatekey": ""
},
{
"id": "0449b3b1fea99d52",
"type": "ui_tab",
"name": "BALL MILL HMI",
"icon": "dashboard",
"disabled": false,
"hidden": false
}
]