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Jack Arney

Lieutenant

‎2025-09-11

Company :

Seeley International Pty Ltd

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obscuresc

M172 unsigned int (UINT) casting during lesser than comparison

Hi, Under some software testing, I have observed that adding two UINTs and comparing with lesser than on a single line has different behaviour to the ...

Industrial Automation icon_circle HVAC and Pumping Forum

25 0 1

2025-09-10 09:18 PM

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obscuresc

ESME HVAC preprocessor directives - conditionally declaring other vari...

Hi, I am using preprocessor directives to create different PLC builds. I want to be able to chain directives together, so I can pick different parts o...

Industrial Automation icon_circle HVAC and Pumping Forum

122 0 1

2025-08-17 06:06 PM

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obscuresc

ESME HVAC - adding a 'prebuild commands' section to the project option...

Hi, I've previously asked for a feature to set register values after compilation in this post. A similar function could be added if there was a secti...

Industrial Automation icon_circle HVAC and Pumping Forum

169 0 5

2025-08-13 09:50 PM

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obscuresc

M172* having the IEC code detect if the code is running in simulation

Hi, I have mostly been testing using PLC hardware and would like to speed up the process by testing in simulation. Is there a way that I can have the ...

Industrial Automation icon_circle HVAC and Pumping Forum

347 0 1

2025-03-20 08:53 PM

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obscuresc

M172* downloading application code faster

Hi, I am developing an application on a TM172PDG18R.Updating only the main application (~500KB, using the 'Download PLC Code' button) takes over a min...

Industrial Automation icon_circle HVAC and Pumping Forum

1031 0 7

2025-03-20 08:46 PM

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obscuresc

M172 BIOS maintenance questions

Hi, I have a project for 668p14 and hardware running 668p13 BIOS. I'd like to avoid updating the BIOS as the PLC is in the field and I have an unstabl...

Industrial Automation icon_circle HVAC and Pumping Forum

553 0 1

2024-12-10 07:55 PM

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obscuresc

Black bars on M172PDG18R HMI on power off

Hi, I have an M172PDG18R in the field that on power off, would display the following image. I have not seen this on any other device. What does it me...

Industrial Automation icon_circle HVAC and Pumping Forum

368 0 1

2024-11-18 02:40 PM

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obscuresc

ESME HVAC - 'Find in project' of small string crashes to desktop

Hi, As above, searching a small string '(F#' causes the ESME HVAC to crash.Note that I have reduced the input down from the original input that crashe...

Industrial Automation icon_circle HVAC and Pumping Forum

723 0 3

2024-11-14 08:01 PM

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obscuresc

M172P* set RS485-1 to Modbus RTU client

Hi, Is there a way to configure the RS-485-1 to a client/master port instead of a server/slave? Thanks.

Industrial Automation icon_circle HVAC and Pumping Forum

489 0 1

2024-10-16 04:39 PM

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obscuresc

M172* sys_FM_READ insufficient documentation

Hi, I’ve just been using 'sys_FM_READ' from the 'FS_IEC' library (version 1.0.0).The function seems to read up to the number of characters/bytes speci...

Industrial Automation icon_circle HVAC and Pumping Forum

698 0 3

2024-09-19 10:54 PM

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obscuresc

M172* creating additional resources in compiled HMI project

Hi, In 'EcoStruxure Machine Expert HVAC' there is this button that opens up the compiled HMI project. This feature is largely undocumented.Is there a ...

Industrial Automation icon_circle HVAC and Pumping Forum

467 0 1

2024-09-10 06:05 PM

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