# \#siemens **URL:** https://forum.inductiveautomation.com/tag/siemens/72.md [Latest](https://forum.inductiveautomation.com/latest.md) · [Categories](https://forum.inductiveautomation.com/categories.md) · [Tags](https://forum.inductiveautomation.com/tags.md) --- ## [Source Timestamp in SFB33 Siemens block](https://forum.inductiveautomation.com/t/source-timestamp-in-sfb33-siemens-block/117511)
**Author:** [@alberto.vazquez](https://forum.inductiveautomation.com/u/alberto.vazquez)\ **Replies:** 0\ **Last updated:** [October 16, 2026, 8:01am UTC](https://forum.inductiveautomation.com/t/source-timestamp-in-sfb33-siemens-block/117511 "2026-10-16T08:01:16Z")
Hi, Just throwing a bottle to the sea. I have a Siemens S7-400 with an SFB33 block that natively stores the timestamp at which it was activated. You can recover this data via a WinCC supervision, and in AVEVA via the si… --- ## [Siemens Enhanced driver Performance (Cannot go below 100ms sampling rate)](https://forum.inductiveautomation.com/t/siemens-enhanced-driver-performance-cannot-go-below-100ms-sampling-rate/117135)
**Author:** [@hiteshchoudhary40](https://forum.inductiveautomation.com/u/hiteshchoudhary40)\ **Replies:** 4\ **Last updated:** [September 18, 2026, 8:40pm UTC](https://forum.inductiveautomation.com/t/siemens-enhanced-driver-performance-cannot-go-below-100ms-sampling-rate/117135 "2026-09-18T20:40:32Z")
I have recently been testing the performance of the Siemens Enhanced Driver versus the Siemens Legacy Driver. One useful addition in version 8.3.9 is the Sampling Rates performance page, which provides visibility into ho… --- ## [Siemens 1500 driver does not read string value properly](https://forum.inductiveautomation.com/t/siemens-1500-driver-does-not-read-string-value-properly/117011)
**Author:** [@Roman\_Windischbauer](https://forum.inductiveautomation.com/u/Roman_Windischbauer)\ **Replies:** 7\ **Last updated:** [September 15, 2026, 12:24pm UTC](https://forum.inductiveautomation.com/t/siemens-1500-driver-does-not-read-string-value-properly/117011 "2026-09-15T12:24:08Z")
Hello, i have a quiet odd one. I need to read a string value from a datablock from a Siemens 15XX generation PLC, the value is changing once per second as seen in the gif below: Now when i try to read that value wit… --- ## [Siemens Enhanced Driver - Arrays for Booleans / DBX](https://forum.inductiveautomation.com/t/siemens-enhanced-driver-arrays-for-booleans-dbx/116788)
**Author:** [@kyvski](https://forum.inductiveautomation.com/u/kyvski)\ **Replies:** 5\ **Last updated:** [August 15, 2026, 8:44pm UTC](https://forum.inductiveautomation.com/t/siemens-enhanced-driver-arrays-for-booleans-dbx/116788 "2026-08-15T20:44:08Z")
According to the docs here: "...a variation that resembles the syntax used in the TIA portal, with the addition of supporting arrays" The format, DB.\[DB\]X\[.BitNumber\]\[ArrayDimensions\] is listed And an explicit exa… --- ## [Tag limits when using Siemens Enhanced Driver](https://forum.inductiveautomation.com/t/tag-limits-when-using-siemens-enhanced-driver/111662)
**Author:** [@ian2](https://forum.inductiveautomation.com/u/ian2)\ **Replies:** 6\ **Last updated:** [August 3, 2026, 11:15pm UTC](https://forum.inductiveautomation.com/t/tag-limits-when-using-siemens-enhanced-driver/111662 "2026-08-03T23:15:14Z")
Hi all, I have been testing Ignition’s Siemens Enhanced driver for symbolic access to optimized DBs in an S7-1500 PLC via S7 communication and have found it to work quite well. My only question is I cannot seem to find a… --- ## [Siemens Enhanced Driver — AglNotConnectedException on Ubuntu after migrating from Windows](https://forum.inductiveautomation.com/t/siemens-enhanced-driver-aglnotconnectedexception-on-ubuntu-after-migrating-from-windows/116569)
**Author:** [@ludovico.moretti](https://forum.inductiveautomation.com/u/ludovico.moretti)\ **Replies:** 6\ **Last updated:** [July 29, 2026, 11:40am UTC](https://forum.inductiveautomation.com/t/siemens-enhanced-driver-aglnotconnectedexception-on-ubuntu-after-migrating-from-windows/116569 "2026-07-29T11:40:45Z")
I recently migrated our Ignition Gateway from a Windows host to a new Ubuntu machine, keeping the exact same device connection configuration (Hostname, Port 102, Rack/Slot, Address Type, Secure Connection Mode = PREFERRE… --- ## [How to resolve the Chinese garbled text from S7-1500 PLC](https://forum.inductiveautomation.com/t/how-to-resolve-the-chinese-garbled-text-from-s7-1500-plc/116277)
**Author:** [@Poulpe.Yu](https://forum.inductiveautomation.com/u/Poulpe.Yu)\ **Replies:** 7\ **Last updated:** [July 13, 2026, 10:24am UTC](https://forum.inductiveautomation.com/t/how-to-resolve-the-chinese-garbled-text-from-s7-1500-plc/116277 "2026-07-13T10:24:02Z")
Hi all, We met a issue on reading string tag value from S7-1500 PLC with Ignition S7-1500 driver, the data in the PLC is Chinese character store in DB, and ignition get the string as garbled text. We tried to decode and… --- ## [Siemens S7-1500 which driver](https://forum.inductiveautomation.com/t/siemens-s7-1500-which-driver/116306)
**Author:** [@tgarrison](https://forum.inductiveautomation.com/u/tgarrison)\ **Replies:** 8\ **Last updated:** [July 9, 2026, 7:44pm UTC](https://forum.inductiveautomation.com/t/siemens-s7-1500-which-driver/116306 "2026-07-09T19:44:51Z")
We've got a customer requesting we setup Ignition to connect with an S7-1500, and we don't have experience with it. At this point, we will only be reading data from the PLC, no writes. Do I just connect to the OPC-UA s… --- ## [How should I read S7-300 DB addresses (e.g. DB916,DBD228) in Ignition OPC?](https://forum.inductiveautomation.com/t/how-should-i-read-s7-300-db-addresses-e-g-db916-dbd228-in-ignition-opc/116269)
**Author:** [@galeman](https://forum.inductiveautomation.com/u/galeman)\ **Replies:** 2\ **Last updated:** [July 6, 2026, 5:37pm UTC](https://forum.inductiveautomation.com/t/how-should-i-read-s7-300-db-addresses-e-g-db916-dbd228-in-ignition-opc/116269 "2026-07-06T17:37:19Z")
I'm configuring an OPC Tag in Ignition to read a value from a Siemens S7-300 PLC. The PLC address I was given is: DB916,DBD228 The OPC device name in Ignition is: L12\_VarioAsep The OPC Item Path is currently configu… --- ## [TickManager Warnings and Slow Siemens Tag Updates on Large Ignition 8.3](https://forum.inductiveautomation.com/t/tickmanager-warnings-and-slow-siemens-tag-updates-on-large-ignition-8-3/116218)
**Author:** [@Baskar\_Arumugam](https://forum.inductiveautomation.com/u/Baskar_Arumugam)\ **Replies:** 1\ **Last updated:** [June 30, 2026, 8:14pm UTC](https://forum.inductiveautomation.com/t/tickmanager-warnings-and-slow-siemens-tag-updates-on-large-ignition-8-3/116218 "2026-06-30T20:14:26Z")
Hi everyone, I'm facing a performance issue with the Siemens Enhanced Driver in Ignition 8.3 and would appreciate any suggestions. System Configuration Ignition Gateway: 8.3.x OPC Driver: Siemens Enhanced Driver Numbe… --- ## [Communication issue with S7-300](https://forum.inductiveautomation.com/t/communication-issue-with-s7-300/116185)
**Author:** [@Raphael](https://forum.inductiveautomation.com/u/Raphael)\ **Replies:** 0\ **Last updated:** [June 29, 2026, 10:13am UTC](https://forum.inductiveautomation.com/t/communication-issue-with-s7-300/116185 "2026-06-29T10:13:25Z")
Hello, I need to read from and write to a specific DB on an S7-300 PLC. I set up the connection using the S7-300 driver. I can read the tags, but I cannot write to them. There are no errors in the Gateway logs, so I s… --- ## [Siemens Enhanced Driver S7 1500 loses all communication when an INT tag value drops below 64](https://forum.inductiveautomation.com/t/siemens-enhanced-driver-s7-1500-loses-all-communication-when-an-int-tag-value-drops-below-64/115850)
**Author:** [@E.E.T](https://forum.inductiveautomation.com/u/E.E.T)\ **Replies:** 4\ **Last updated:** [June 23, 2026, 7:28am UTC](https://forum.inductiveautomation.com/t/siemens-enhanced-driver-s7-1500-loses-all-communication-when-an-int-tag-value-drops-below-64/115850 "2026-06-23T07:28:43Z")
Environment Ignition 8.3.6 Siemens Enhanced driver — Symbolic addressing PLC: Siemens S7-1500 — firmware 4.0 Affected tag: an INT written by the PLC, inside a UDT instance, read symbolically from an optimized DB (it's a… --- ## [Siemens Enhanced Driver CPU 1515F-2PN SYMBOLIC vs ABSOLUTE instability](https://forum.inductiveautomation.com/t/siemens-enhanced-driver-cpu-1515f-2pn-symbolic-vs-absolute-instability/115503)
**Author:** [@milton.stathakis](https://forum.inductiveautomation.com/u/milton.stathakis)\ **Replies:** 5\ **Last updated:** [May 14, 2026, 7:42am UTC](https://forum.inductiveautomation.com/t/siemens-enhanced-driver-cpu-1515f-2pn-symbolic-vs-absolute-instability/115503 "2026-05-14T07:42:17Z")
Hi everyone, I am currently on Gateway version 8.3.6 Stable and Siemens Enhanced Driver 1.3.6. My connection with a CPU 1515F-2PN was working completely fine with Symbolic addressing until yesterday. Now the connection … --- ## [Connection issues with Siemens Enhanced driver](https://forum.inductiveautomation.com/t/connection-issues-with-siemens-enhanced-driver/115230)
**Author:** [@sobieraj.b](https://forum.inductiveautomation.com/u/sobieraj.b)\ **Replies:** 5\ **Last updated:** [April 27, 2026, 5:54am UTC](https://forum.inductiveautomation.com/t/connection-issues-with-siemens-enhanced-driver/115230 "2026-04-27T05:54:49Z")
Hi, I'm trying to get connection using siemens enhanced driver and symbolic access, however for some unknown reason getting AGL40-Timeout exception (Which suggests that PLC just don't answer the request). What is more i… --- ## [A Question about Siemens Enhanced Driver](https://forum.inductiveautomation.com/t/a-question-about-siemens-enhanced-driver/114898)
**Author:** [@abishur](https://forum.inductiveautomation.com/u/abishur)\ **Replies:** 1\ **Last updated:** [April 6, 2026, 2:17pm UTC](https://forum.inductiveautomation.com/t/a-question-about-siemens-enhanced-driver/114898 "2026-04-06T14:17:09Z")
I have a client that is currently using the Siemens’ builtin OPC UA Server on an S7-1500 PLC. They’ve reached a point where the OPC-UA server cannot keep up with their requests for updated data and were getting a lot of… --- ## [Siemens Enhanced driver extremely slow](https://forum.inductiveautomation.com/t/siemens-enhanced-driver-extremely-slow/114494)
**Author:** [@Robbe\_Meyvis](https://forum.inductiveautomation.com/u/Robbe_Meyvis)\ **Replies:** 6\ **Last updated:** [March 16, 2026, 5:28pm UTC](https://forum.inductiveautomation.com/t/siemens-enhanced-driver-extremely-slow/114494 "2026-03-16T17:28:08Z")
I’m using the Siemens Enhanced driver with Ignition Edge 8.3.4, but it’s extremely slow. It can take up to 10 seconds to see a tag changing. Below my setup: To try to get it a bit more useable, I troed changing … --- ## [Issue Importing Structs/UDTs from Siemens TIA S7-1500 into Ignition 8.3 via OPC UA](https://forum.inductiveautomation.com/t/issue-importing-structs-udts-from-siemens-tia-s7-1500-into-ignition-8-3-via-opc-ua/114391)
**Author:** [@riccardo.mosele](https://forum.inductiveautomation.com/u/riccardo.mosele)\ **Replies:** 3\ **Last updated:** [March 10, 2026, 7:20am UTC](https://forum.inductiveautomation.com/t/issue-importing-structs-udts-from-siemens-tia-s7-1500-into-ignition-8-3-via-opc-ua/114391 "2026-03-10T07:20:41Z")
Hi everyone, I’m trying to connect my Siemens S7-1500 PLC to Ignition 8.3 via OPC UA. When I browse the PLC’s DBs, I can see the Structs and any UDTs present. The problem occurs when I try to import them: If I select … --- ## [Siemens Enhanced Driver with Siemens Fail-Safe PLC](https://forum.inductiveautomation.com/t/siemens-enhanced-driver-with-siemens-fail-safe-plc/114266)
**Author:** [@milton.stathakis](https://forum.inductiveautomation.com/u/milton.stathakis)\ **Replies:** 3\ **Last updated:** [March 3, 2026, 7:23am UTC](https://forum.inductiveautomation.com/t/siemens-enhanced-driver-with-siemens-fail-safe-plc/114266 "2026-03-03T07:23:14Z")
Hi everyone, Just wanted to reach out to ask if anyone has had luck using the Siemens Advanced Driver with a S7-1500F and user-access levels enabled. I have allowed the anonymous user to have put/get access and full acc… --- ## [Siemens Redundant CPU forcing Refresh Browse to update values](https://forum.inductiveautomation.com/t/siemens-redundant-cpu-forcing-refresh-browse-to-update-values/113986)
**Author:** [@emil.eidesen](https://forum.inductiveautomation.com/u/emil.eidesen)\ **Replies:** 5\ **Last updated:** [February 18, 2026, 11:12am UTC](https://forum.inductiveautomation.com/t/siemens-redundant-cpu-forcing-refresh-browse-to-update-values/113986 "2026-02-18T11:12:16Z")
Hi everyone, I’m working on a project using Ignition 8.3.3 and the Siemens Enhanced Driver. Recently we put the Siemens PLCs in a redundant ring configuration, where the Gateway connects to whichever PLC is currently pr… --- ## [What is the advantage of the Ignition S7 driver](https://forum.inductiveautomation.com/t/what-is-the-advantage-of-the-ignition-s7-driver/96083)
**Author:** [@Jerimae\_Williams](https://forum.inductiveautomation.com/u/Jerimae_Williams)\ **Replies:** 8\ **Last updated:** [February 3, 2026, 6:39pm UTC](https://forum.inductiveautomation.com/t/what-is-the-advantage-of-the-ignition-s7-driver/96083 "2026-02-03T18:39:16Z")
Hi Everyone, I am currently testing a project on a Siemens S7 1516 PLC. The PLC is communicating to ignition using the internal OPC/UA server function of the PLC without the ignition S7 driver. The problem is that I ha… --- ## [Link a checkbox to a precise bit inside a word](https://forum.inductiveautomation.com/t/link-a-checkbox-to-a-precise-bit-inside-a-word/113630)
**Author:** [@mirko.cerin](https://forum.inductiveautomation.com/u/mirko.cerin)\ **Replies:** 5\ **Last updated:** [January 30, 2026, 6:48am UTC](https://forum.inductiveautomation.com/t/link-a-checkbox-to-a-precise-bit-inside-a-word/113630 "2026-01-30T06:48:35Z")
Hi, I’m trying to link a checkbox to a word I have inside my Siemens PLC 1500 via the Siemens Enhanced Driver. Reading the bit works fine if I use the GetBit() expression function, but like this it’s not really linked … --- ## [Having to manually refresh tag browse for tags to show up with Siemens Enhanced Driver](https://forum.inductiveautomation.com/t/having-to-manually-refresh-tag-browse-for-tags-to-show-up-with-siemens-enhanced-driver/113648)
**Author:** [@ian2](https://forum.inductiveautomation.com/u/ian2)\ **Replies:** 2\ **Last updated:** [January 30, 2026, 12:22am UTC](https://forum.inductiveautomation.com/t/having-to-manually-refresh-tag-browse-for-tags-to-show-up-with-siemens-enhanced-driver/113648 "2026-01-30T00:22:45Z")
Hi, I am using the Siemens enhanced driver with an S7-1500 PLC firmware V3.1.4, Ignition V8.3.2 and am experiencing an issue where when I add a new parameter to the PLC program (e.g. a new parameter in a datablock), the … --- ## [Help viewing tag diagnostics for tags through Siemens enhanced driver](https://forum.inductiveautomation.com/t/help-viewing-tag-diagnostics-for-tags-through-siemens-enhanced-driver/112083)
**Author:** [@ian2](https://forum.inductiveautomation.com/u/ian2)\ **Replies:** 5\ **Last updated:** [January 13, 2026, 4:37pm UTC](https://forum.inductiveautomation.com/t/help-viewing-tag-diagnostics-for-tags-through-siemens-enhanced-driver/112083 "2026-01-13T16:37:20Z")
Hi all, I’m using the Siemens Enhanced driver to test S7 communication of tags to an S7-1500 PLC. I created 33,000 test tags to start and am trying to monitor their performance via something like the following chart (tak… --- ## [Ignition 8.3 Siemens Enhanced Driver OPC Item Path Syntax](https://forum.inductiveautomation.com/t/ignition-8-3-siemens-enhanced-driver-opc-item-path-syntax/112604)
**Author:** [@ian2](https://forum.inductiveautomation.com/u/ian2)\ **Replies:** 2\ **Last updated:** [December 4, 2025, 1:12am UTC](https://forum.inductiveautomation.com/t/ignition-8-3-siemens-enhanced-driver-opc-item-path-syntax/112604 "2025-12-04T01:12:06Z")
Hi all, I am using Ignition 8.3 with the Siemens Enhanced driver with S7 symbolic communication to an S7-1500 and came across some unexpected behavior with the OPC item paths that I wanted to clarify. I am copying over … --- ## [Issue with S7-1500 and Refresh Browse with Siemens Enhanced](https://forum.inductiveautomation.com/t/issue-with-s7-1500-and-refresh-browse-with-siemens-enhanced/112400)
**Author:** [@Jacob\_Dipietro](https://forum.inductiveautomation.com/u/Jacob_Dipietro)\ **Replies:** 3\ **Last updated:** [November 24, 2025, 10:11pm UTC](https://forum.inductiveautomation.com/t/issue-with-s7-1500-and-refresh-browse-with-siemens-enhanced/112400 "2025-11-24T22:11:54Z")
When we make sufficient changes to the PLC project, it will prompt us to restart the OPC UA server. When this happens, the Ignition status page will show connected to the PLC, but the tags will show a value source error.… --- ## [Siemens Enhanced Driver Missing/Failing Installation in Docker Image 8.3.1](https://forum.inductiveautomation.com/t/siemens-enhanced-driver-missing-failing-installation-in-docker-image-8-3-1/112257)
**Author:** [@petr.sasin](https://forum.inductiveautomation.com/u/petr.sasin)\ **Replies:** 3\ **Last updated:** [November 20, 2025, 4:41pm UTC](https://forum.inductiveautomation.com/t/siemens-enhanced-driver-missing-failing-installation-in-docker-image-8-3-1/112257 "2025-11-20T16:41:30Z")
I'm running Ignition 8.3.1 in a Docker container on my Windows laptop. I wanted to test the new Siemens Enhanced Driver, but I've encountered two issues: The driver is not listed in the available drivers in the Gatew… --- ## [Siemens PLC optimized DB access](https://forum.inductiveautomation.com/t/siemens-plc-optimized-db-access/111953)
**Author:** [@freggianini](https://forum.inductiveautomation.com/u/freggianini)\ **Replies:** 2\ **Last updated:** [November 5, 2025, 2:37pm UTC](https://forum.inductiveautomation.com/t/siemens-plc-optimized-db-access/111953 "2025-11-05T14:37:04Z")
Hello I’m trying to set a tag with an optimized data block from new Siemens PLC. How can i access directly to an address by name? --- ## [PLC Tag Quality "Bad" After UDT Modification (TIA Portal/PLCSim Advanced to Ignition)](https://forum.inductiveautomation.com/t/plc-tag-quality-bad-after-udt-modification-tia-portal-plcsim-advanced-to-ignition/111958)
**Author:** [@ali.sulyman](https://forum.inductiveautomation.com/u/ali.sulyman)\ **Replies:** 1\ **Last updated:** [November 5, 2025, 12:30pm UTC](https://forum.inductiveautomation.com/t/plc-tag-quality-bad-after-udt-modification-tia-portal-plcsim-advanced-to-ignition/111958 "2025-11-05T12:30:42Z")
Hello everyone, I'm having a persistent issue when modifying a User-Defined Data Type (UDT) in TIA Portal and then trying to read the updated tag values in Ignition. My Setup: PLC: Siemens S7-1512 simulated via PLCSi… --- ## [Can the ignition Siemens Driver for an S7-1500 read nested UDT's?](https://forum.inductiveautomation.com/t/can-the-ignition-siemens-driver-for-an-s7-1500-read-nested-udts/110927)
**Author:** [@Travis.Dreier](https://forum.inductiveautomation.com/u/Travis.Dreier)\ **Replies:** 5\ **Last updated:** [September 24, 2025, 4:05pm UTC](https://forum.inductiveautomation.com/t/can-the-ignition-siemens-driver-for-an-s7-1500-read-nested-udts/110927 "2025-09-24T16:05:00Z")
First time trying read data from a Siemens PLC and very green on Siemens in general. Is it possible to read nested UDT’s in a DB using ignitions built in driver or is use of the Siemens S7-1500’s PLC built in OPC server… --- ## [Siemens 1511 cpu and Ignition](https://forum.inductiveautomation.com/t/siemens-1511-cpu-and-ignition/110324)
**Author:** [@alexander.svensson69](https://forum.inductiveautomation.com/u/alexander.svensson69)\ **Replies:** 5\ **Last updated:** [September 3, 2025, 3:43am UTC](https://forum.inductiveautomation.com/t/siemens-1511-cpu-and-ignition/110324 "2025-09-03T03:43:48Z")
Hi, I'm trying to understand the most optimal way to communicate with Ignition and a Siemens 1511 CPU. I've been reading on various forums and it seems that OPC UA is preferred over Ignition's Siemens driver. However,… [Next page](https://forum.inductiveautomation.com/tag/siemens/72.md?match_all_tags=true&page=1&tags%5B%5D=siemens)