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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
1092 2 0

2024-01-25

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
328 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
363 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
825 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
505 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
371 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
448 0 3
Latest Reply: otrotabi

Solved
POPE3909
/html/rank_icons/Ensign.png POPE3909

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
351 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
3833 0 4
Latest Reply: tyricc19

Solved
otrotabi
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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
571 0 6
Latest Reply: FedericoM

Solved
StevenCho
/html/rank_icons/Lieutenant_JG.png StevenCho

[ESME-HVAC] Declared Variable(STATUS,LOCAL) on Configuration Tab doesn...

Hi there, I’m currently using the TM172PDG42RI with ESME-HVAC software and encountered an issue: Variables declared in the Configuration tab — STATUS and LOCAL (I/O) — are not appearing in the Con...
Industrial Automation icon_circle HVAC and Pumping Forum
459 0 3
Latest Reply: StevenCho

Solved
EdwardKul
EdwardKul

Simulation M172(Modbus TCP server) and HMIST6400

Hello, please tell me, is it possible to simulate simultaneously on a PC controller M172 (configured Modbus TCP server) in EcoStruxure Machine Expert - HVAC and HMIST6400 operator panel in EcoStruxure ...
Industrial Automation icon_circle HVAC and Pumping Forum
472 0 2
Latest Reply: Bastian_Schmitz

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