# Connecting to Click PLC for tags?

**URL:** <https://forum.inductiveautomation.com/t/connecting-to-click-plc-for-tags/48117>\
**Category:** Ignition\
**Tags:** ignition80\
**Created:** [June 23, 2021, 4:01pm UTC](https://forum.inductiveautomation.com/t/connecting-to-click-plc-for-tags/48117 "2021-06-23T16:01:29Z")\
**Posts on this page:** 7\
**Page:** 1

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**Author:** ![bkarabinchak.psi](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/bkarabinchak.psi/32/83567_2.png) [@bkarabinchak.psi](https://forum.inductiveautomation.com/u/bkarabinchak.psi)\
**Post date:** [June 23, 2021, 4:01pm UTC](https://forum.inductiveautomation.com/t/connecting-to-click-plc-for-tags/48117/1 "2021-06-23T16:01:29Z")

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I have a Click PLC with a Modbus TCP connection with the following MODBUS addresses  
 ![image](https://us1.discourse-cdn.com/inductiveautomation/original/3X/5/5/557411dcac114e2e71191fe6692288a81d72499d.jpeg)

This goes from DF1 to DF100, where the MODBUSS address increments by 2 the entire way.

I tried to make them like this but am getting an error that my modbus value is too high

 ![image](https://us1.discourse-cdn.com/inductiveautomation/original/3X/d/4/d4139fc77323cbd04af902a1356a4a506176ab54.png)

What am I doing wrong?

Using 8.1.7

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**Author:** ![Kevin.Herron](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/kevin.herron/32/7259_2.png) [@Kevin.Herron](https://forum.inductiveautomation.com/u/Kevin.Herron)\
**Post date:** [June 23, 2021, 4:07pm UTC](https://forum.inductiveautomation.com/t/connecting-to-click-plc-for-tags/48117/2 "2021-06-23T16:07:59Z")

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Try removing the 4- prefix from your address. 1, 2, 3, and 4 are used as prefixes in some Modbus address notations to indicate the data area to read from. 4 is Holding Register.

edit: misspoke, it’s actually 0, 1, 3, and 4 for Coils, Discrete Inputs, Input Registers, Holding Registers. 2 is not used.

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**Author:** ![bkarabinchak.psi](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/bkarabinchak.psi/32/83567_2.png) [@bkarabinchak.psi](https://forum.inductiveautomation.com/u/bkarabinchak.psi)\
**Post date:** [June 23, 2021, 4:19pm UTC](https://forum.inductiveautomation.com/t/connecting-to-click-plc-for-tags/48117/3 "2021-06-23T16:19:03Z")

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So I have a new error (progress!). That worked in that it created 100 tags, but none of them are showing the values I expected, so I must have something in my configuration off. Is there a way to delete the addresses I just added so I can try again? Or do I need to delete the device and recreate the connection to try again?

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**Author:** ![Kevin.Herron](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/kevin.herron/32/7259_2.png) [@Kevin.Herron](https://forum.inductiveautomation.com/u/Kevin.Herron)\
**Post date:** [June 23, 2021, 4:20pm UTC](https://forum.inductiveautomation.com/t/connecting-to-click-plc-for-tags/48117/4 "2021-06-23T16:20:10Z")

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You may now have an off-by-one error. Ignition address notation starts from 1, which is 0 on the wire. Some notations actually start at 0. Try toggling the One/Zero-based address setting. If that doesn’t work try it in combination with the Word Order setting.

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**Author:** ![bkarabinchak.psi](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/bkarabinchak.psi/32/83567_2.png) [@bkarabinchak.psi](https://forum.inductiveautomation.com/u/bkarabinchak.psi)\
**Post date:** [June 23, 2021, 4:31pm UTC](https://forum.inductiveautomation.com/t/connecting-to-click-plc-for-tags/48117/5 "2021-06-23T16:31:01Z")

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@Kevin.Herron ya did it again. It was the Zero-based addressing option I tried first and that worked for me.

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<div class="post-metadata">

**Author:** ![bkarabinchak.psi](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/bkarabinchak.psi/32/83567_2.png) [@bkarabinchak.psi](https://forum.inductiveautomation.com/u/bkarabinchak.psi)\
**Post date:** [October 5, 2022, 5:55pm UTC](https://forum.inductiveautomation.com/t/connecting-to-click-plc-for-tags/48117/7 "2022-10-05T17:55:54Z")

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Login into your gateway. Then configuration-\>Device Connections-\>Edit your device, then you have to select the checkbox for "Show advanced properties" and it should be there.

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**Author:** ![amadeus.wiley](https://avatars.discourse-cdn.com/v4/letter/a/ea5d25/32.png) [@amadeus.wiley](https://forum.inductiveautomation.com/u/amadeus.wiley)\
**Post date:** [May 21, 2025, 2:25am UTC](https://forum.inductiveautomation.com/t/connecting-to-click-plc-for-tags/48117/8 "2025-05-21T02:25:26Z")

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Years later, thank you Kevin.
