Questions tagged [kepserverex]
35 questions
55
votes
3 answers
Create variable in Kepserver with Node-OPCUA
I have a Siemens 1200 PLC. Using node-opcua client and Kepserver I am able to read the variables and to change the values.
Now I would like to create a new variable in the PLC from Node-OPCUA in KepServer.
I've tried to use node-opcua server…

mram888
- 4,899
- 5
- 33
- 59
3
votes
1 answer
PLC not connecting to KEP Server (OPC)
We can't get our PLC to reliably connect with KEPServerEX (OPC).
I was wondering if anyone else here at SOF has experience working with PLC and OPC. If so do they have any tips on making a reliable connection with our OPC Server. We currently use…

Rob_IGS
- 575
- 3
- 8
- 17
2
votes
0 answers
Can't find KepServerEx Alarm and events in OPC AE clients
I am using KepServerEx to monitor some PLC tags. I have defined some alarm tags in Area1 for testing. when I tried to access these tags in some clients like OpcExpert or UaExpert, I can find the Area1 folder but there is no tags inside. These…

milad
- 71
- 7
2
votes
1 answer
Why does only one value gets return in NodeRED function node?
I have a NodeRED flow which has a function node and my code is following
var left = { payload : msg.payload.readResults[0].v };
var right = { payload : msg.payload.readResults[1].v };
node.warn(left);
node.warn(right);
if(left || right)
{
return…

Glenn94
- 179
- 1
- 9
2
votes
1 answer
Cannot connect vba macro from excel with KEPServer. DDERequest error 2023
I have an Excel macros that can't connect with KEPServer using Visual Basic.
The thing is that for some versions of windows computers can connect with it while for others can't. Currently I'm using windows 10, Excel 2010 and KEPServer 5.13. The…

Ander Palacios Rivas
- 21
- 2
2
votes
2 answers
Using OPC UA .NET read "Channel1.Device1.Tag1" value from Kepserver
I am using NetCoreConsoleClient sample from here: https://github.com/OPCFoundation/UA-.NETStandardLibrary
I customized the code and able to browse through entire server and fetch values like timestamp, description, datatype etc., for every node on…

Ashish Kumar Jaryal
- 772
- 7
- 20
2
votes
3 answers
How to start with OPC UA -- sampling and collecting data from a PLC device?
I am expected to design the solution for collecting/processing samples from a PLC device, and working with some control tags of the device. Please, suggest the approach. Sorry for the long question. I will split it to more questions after learning…

pepr
- 20,112
- 15
- 76
- 139
1
vote
1 answer
Telegraf OPC-UA and InfluxDB
I get data from KepServer OPC UA in to the InfluxDB via telegraf. When machine is turned off for a few hours I get errors:
2023-07-06T07:03:47Z E! [inputs.opcua_listener] status not OK for node Torque_Av_LidHead: Bad…

jakub ole
- 11
- 1
1
vote
0 answers
Message brooker for KEPServer EX 6
I am trying to figure out how to create a message broker for my tags in Kepware. Today I read them as is from the PLC. The problem is that sometimes I need logic for some tags. Say for example a tag have Order-Date-Signature I would like to…

muli
- 13
- 4
1
vote
0 answers
Not all nodes are showing up in UAExpert when connected to Kepware OPC UA server
I am trying to jump into OPC UA. I have a test KepServerEX OPC server set up with UA enabled. Have the two default endpoints setup and enabled. I am using UAExpert to connect to the OPC server so I can browse tags. I connect just fine, but the…

DVanKeuren
- 11
- 1
1
vote
0 answers
org.jinterop.dcom.common.JIException: The object name is not found [0xC0000034]
I am having a problem using "J-INTEROP" trying to make an OPC DA client for andriod devices.
I made all the DCOM configurations and today I can connect to the server from any PC that is within my network regardless of the user that connects.
The…

Ariel Violla
- 11
- 1
1
vote
1 answer
Is there a date time tag in KepserverEX 6?
I am looking for a tag in KepServerEX 6 to get the current system date and time, these tags could be used for further usages such as PLC date time updates.
The time must be separated into simple HH and MM tags.
I have searched in the simulator and…

milad
- 71
- 7
1
vote
1 answer
Is that similar software to the kepserverex6 or others ways to connect serial port to mySQL
Do have any similar software similar to kepware version 6 that acts as a connection platform to connect the data from the serial port (COM PORT) and send data to the database?
Currently, collect the data using the kepserverex6 and send data to the…

NG SUIT YAN
- 45
- 1
- 6
1
vote
0 answers
ChartJS 'Line chartjs' does not show output in NodeRED?
My requirement is to output 2 y-axis chart with real-time data readings in NodeRED. I have installed ChartJS package in NodeRED and now according to the documentation of the package there should be PATH, Title, X-Axis, Y-Axis, Payload. But I…

Glenn94
- 179
- 1
- 9
1
vote
1 answer
Node-Red function : how to get a specific value out of object as Msg.Payload after inject?
I'm trying to create a Node Red flow and output a graph out of the outputs. Currently I have set up my flow and that gets me an object with multiple key-value pairs such as 'id', 's', 'r', 'v' and 't' as keys and their respective values as I inject…

Glenn94
- 179
- 1
- 9