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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 and Pumping Forum

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BZ
BZ Explorer

Virtual Training Calendar for Machine Automation

Hello everyone, We would like to highlight that there are some available seats for Virtual Classes in Q4 of Y2026 in our Machine Automation training team as below, come and join us!!! EcoStruxure ...
Industrial Automation icon_circle HVAC and Pumping Forum
1640 2 0

2024-01-25

Solved
POPE3909
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
868 0 2
Latest Reply: POPE3909

Solved
pawel_kowalski_
pawel_kowalski_

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
4879 0 4
Latest Reply: tyricc19

Solved
otrotabi
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
1574 0 6
Latest Reply: FedericoM

Solved
StevenCho
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
1143 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
938 0 2
Latest Reply: Bastian_Schmitz

Solved
otrotabi
otrotabi

Alarm sets

I´ve been working with the HistoricalTM172 alarms project Bastian shared some time ago. The active alarms are shown only as long as a variable set by the PLC is true (or set to value = 1 in the origi...
Industrial Automation icon_circle HVAC and Pumping Forum
1283 0 2
Latest Reply: otrotabi

Solved
otrotabi
otrotabi

TM173 information

TM173 line is finally being introduced to our country and we are planning on using it for our chillers. As far as I know, display has been enhanced and it shows two lines of information vs only one l...
Industrial Automation icon_circle HVAC and Pumping Forum
1473 0 2
Latest Reply: otrotabi

Solved
Wahlo
Wahlo

M172 CAN Expansion Bus

Hi, I have a setup with the TM172PDG42RI and two TM172E28R connected on the CAN expansion bus. I was wondering if there is a system variable on the controller to "restart" the CAN communication. Wha...
Industrial Automation icon_circle HVAC and Pumping Forum
898 0 2
Latest Reply: FedericoM

Solved
bibouusmiste
bibouusmiste

TM172 Not booting up and green led flashing

Hello, I have encountered a problem with my TM172 controller, i was working on it and that suddenly the display wen off, only thing that is on is the first green led and the fourth led (counting from t...
Industrial Automation icon_circle HVAC and Pumping Forum
1269 0 4
Latest Reply: FedericoM

Solved
StevenCho
StevenCho

TM171EP27R – SDO SET / Not Displaying in ESME-HVAC V1.7.0

Hi everyone, I’m currently using the TM172PDG42RI in combination with the TM171EP27R. In the past, this combination worked fine, aside from the relatively inconvenient configuration interface compared ...
Industrial Automation icon_circle HVAC and Pumping Forum
767 0 2
Latest Reply: StevenCho

Solved
kryunl
kryunl

M172 PLC PROBLEM OF WRITING VALUE WITH EEPROM VARIABLE MOVE

GREETINGSM172 PLCI NEED TO MOVE DIFFERENT VALUESIN THE PLCOTHER THAN THE VALUE TO BE WRITTEN FROM HMI TO THE EEPROM VARIABLEBUT I GET AN ERROR I CANNOT MOVE I WOULD BE HAPPY IF YOU CAN HELP
Industrial Automation icon_circle HVAC and Pumping Forum
2264 0 4
Latest Reply: Bastian_Schmitz

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