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HVAC and Pumping Forum

Support Forum for HVAC and pumping machines, Modicon M17x and EcoStruxure Machine Expert HVAC software for chillers, AHU, CRAC units for datacenters or process chillers applications - from design, implementation to troubleshooting and more, by Schneider Electric.

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HVAC & Pumping Forum: Formerly known as Machine Automation Forum, this community has been re-launched to provide a more focused platform for professionals in the HVAC and Pumping industry. Join us to enhance your knowledge, share insights, and ask questions with the HVAC & Pumping community.



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HVAC and Pumping Forum

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BZ
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Virtual Training Calendar for Machine Automation

Hello everyone, We would like to highlight that there are some available seats for Virtual Classes in Q3 of Y2025 in our Machine Automation training team as below, come and join us!!! EcoStruxure...
Industrial Automation icon_circle HVAC and Pumping Forum
1032 2 0

2024-01-25

Solved
Saad_Nazeer
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EWApplication Error - EcoStruxure Machine Expert HVAC (v1.6.0)

I'm getting "EWApplication" Error, and after that the program closes. Can someone please help me resolve this error? I'm attaching the screenshot for reference.
Industrial Automation icon_circle HVAC and Pumping Forum
304 0 2
Latest Reply: Saad_Nazeer

Solved
Jacek_S
/html/rank_icons/Lieutenant_JG.png Jacek_S

Modicon M172 - AO1 as transistor output 24V DC

I would like to ask for support regarding the configuration of an output in the Modicon TM172PDG18R controller. My goal is to use the AO1 analog output as a transistor output to control a relay in a co...
Industrial Automation icon_circle HVAC and Pumping Forum
340 0 4
Latest Reply: Jacek_S

Solved
obscuresc
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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 of software I've written to be included. This is w...
Industrial Automation icon_circle HVAC and Pumping Forum
249 0 1
Latest Reply: M_Cervati

Solved
pete238479
pete238479

M172: How to change RS485 Device Node Modbus Address on the fly

I have an M172P running as a Modbus RTU Master on RS485-2, connected to an RTU device, and SUCCESSFULLY reading data from the device. Knowing the Modbus RTU Unit ID of the device, I can set it in the...
Industrial Automation icon_circle HVAC and Pumping Forum
294 0 1
Latest Reply: M_Cervati

Solved
Felipe_Lima.99
Felipe_Lima.99

How to use PIDAutoTunning block in EcoStruxure Machine Expert - HVAC ?

I have an M172 controller and couldn't find any examples of how to use the PIDAutoTuning block. Has anyone been able to implement it? I tried several ways but I was not successful. No errors appeared ...
Industrial Automation icon_circle HVAC and Pumping Forum
719 0 2
Latest Reply: Josh1

Informational
FedericoM
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Announcement: Basic Addons Function & Function Block Library for HVAC ...

Dear Community Members, We are excited to start sharing a first library of functions and function blocks designed to streamline development in HVAC and Pumping projects. Basic Addons library prov...
Industrial Automation icon_circle HVAC and Pumping Forum
403 2 1
Latest Reply: StevenCho

Solved
MacsEngineer
/html/rank_icons/Crewman.png MacsEngineer

Machine Expert HVAC, M172 - Permanent on contact, Flasher Unit, and An...

I am making a program to control an automatic bollard installation, and I have hit a few small roadblocks. 1. I need a constantly on contact that turns on when the PLC starts. I had a quick google an...
Industrial Automation icon_circle HVAC and Pumping Forum
304 0 2
Latest Reply: MacsEngineer

Solved
otrotabi
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TM172 HMI Control outside of page

I threw in a static control associated with a set in a page (actually a message page). The size of the static control did not fit the screen right so I moved it with my mouse, and then the control beca...
Industrial Automation icon_circle HVAC and Pumping Forum
373 0 3
Latest Reply: otrotabi

Solved
POPE3909
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TM172 Modbus Register Bit Allocation

Hi Guys,I have a question regarding Status Variables/ Modbus Registers creation in M172.On ESME HVAC, under Status Variables, Starting from address 8960, when I create a new variable, it is a 16 bit ho...
Industrial Automation icon_circle HVAC and Pumping Forum
211 0 2
Latest Reply: POPE3909

Solved
pawel_kowalski_
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Modicon M172 analog output

Hi All, I have problem with analog outputs AOL1-AOL4 the outputs AOL3 and AOL4 I configure in program as voltage modulation.I want using this outputs to control device like valve with input 0-10V. I wr...
Industrial Automation icon_circle HVAC and Pumping Forum
3709 0 4
Latest Reply: tyricc19

Solved
otrotabi
/html/rank_icons/Commander.png otrotabi

TM172 built-in HMI variables watch

While debugging HMI pages and scripts under simulation, I know of two different methods to watch the value of a variable defined either local or global in the HMI. 1) Define a status variable, set th...
Industrial Automation icon_circle HVAC and Pumping Forum
488 0 6
Latest Reply: FedericoM

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