# S7-300 DB1 Communication Problem

**URL:** <https://forum.inductiveautomation.com/t/s7-300-db1-communication-problem/14291>\
**Category:** Ignition\
**Created:** [May 15, 2017, 7:05am UTC](https://forum.inductiveautomation.com/t/s7-300-db1-communication-problem/14291 "2017-05-15T07:05:55Z")\
**Posts on this page:** 1\
**Showing post:** 5

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**Author:** ![zxcslo](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/zxcslo/32/61610_2.png) [@zxcslo](https://forum.inductiveautomation.com/u/zxcslo)\
**Post date:** [May 15, 2017, 11:42am UTC](https://forum.inductiveautomation.com/t/s7-300-db1-communication-problem/14291/5 "2017-05-15T11:42:54Z")

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Look at the last post…  
[http://forum.inductiveautomation.com/t/how-would-i-construct-this-sql-address/12413](http://forum.inductiveautomation.com/t/how-would-i-construct-this-sql-address/12413)

Also this:  
[http://forum.inductiveautomation.com/t/siemens-s7-1500-tags-stopped-working-config-error/12519](http://forum.inductiveautomation.com/t/siemens-s7-1500-tags-stopped-working-config-error/12519)

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