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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
1641 2 0

2024-01-25

Solved
otrotabi
otrotabi

String in EEPROM

Is it possible to save a STRING[4] in EEPROM ?. I figure I could use some self defined table and assign A = 0001 B = 0010 C = 0011 etc... so I think I could save at least 5 chars (letters) in a UDINT. ...
Industrial Automation icon_circle HVAC and Pumping Forum
3950 0 11
Latest Reply: otrotabi

Solved
otrotabi
otrotabi

Simulation error Ecostruxure HVAC

I get this kind of errors when running a simulation from time to time. PLC EXECUTION ERROR: Fault in task Timed, exception 0xC0000005 at 0x6220F30 Simulation session stops and the second to last sign ...
Industrial Automation icon_circle HVAC and Pumping Forum
2853 0 5
Latest Reply: otrotabi

Aqui
Aqui

Control Expert References

Hi all I'm just starting out with referenced variables in Control Expert (15.0 SP1), and I've run into a problem:I have followed an example from the Faqs, where it is explained how to reference a varia...
Industrial Automation icon_circle HVAC and Pumping Forum
1439 0 0

2022-09-04

Solved
otrotabi
otrotabi

TM172 System Fault

I was reprogramming a TM172PDG28R a while ago. after changing the polarity of an input. So I did as always and I was not paying much attention to the whole process. However after restarting I got this...
Industrial Automation icon_circle HVAC and Pumping Forum
3447 0 3
Latest Reply: otrotabi

Anonymous user
Anonymous user

Clean a DataLog file

Hello, I'm currently working with an M241 and collecting differents datas.I'm then gathering this datas into log files. My question is : Is there any way to clear the log file (deleting all previous da...
Industrial Automation icon_circle HVAC and Pumping Forum
1215 0 0

2022-08-18

Solved
obscuresc
obscuresc

Establishing client state Modbus TCP connections when M172 is a server

Hi all, I'm using the M172PDG18R. If I using a Modbus RTU client, I can see from the M172 side that the client is correctly communicating by using the 'sysMODBUS_msg_received_RS485_1' parameter. Is the...
Industrial Automation icon_circle HVAC and Pumping Forum
1617 1 1
Latest Reply: Ismet_S

Solved
otrotabi
otrotabi

TM171 HMI/Display units

I found looking at the TDA_Chiller_Simple project that it is possible to show UDINT units with the TM171 display by using a format named "h" which I assume is configurable somehow. I could not find the...
Industrial Automation icon_circle HVAC and Pumping Forum
2423 0 4
Latest Reply: otrotabi

pawel_kowalski_
pawel_kowalski_

SoMachine 4.3 add HVAC library

Hi,I want create steering application to AHU on M241 and i found some library with can simplify that task.The library i found here https://www.hvac-automation.com/de/hvac-downloads I try add them but a...
Industrial Automation icon_circle HVAC and Pumping Forum
3177 0 4
Latest Reply: pawel_kowalski_

Solved
otrotabi
otrotabi

set and reset operators in structured text

what is the right way to use S (SET) and R (Reset) in HAVC ecostruxure machine expert ? bool1 S= bool2 ; does not work, it gives syntax error.
Industrial Automation icon_circle HVAC and Pumping Forum
6991 0 2
Latest Reply: otrotabi

Anonymous user
Anonymous user

XSD for DDF files

HiIs there any xsd file for the dds xml files? alternatively, where can I find the specification of a ddf file? Thanks
Industrial Automation icon_circle HVAC and Pumping Forum
956 1 0

2022-08-03

MichaelO
MichaelO

Pumping applications in Ecostruxure Machine Expert

I am working with a HMISCU8B5 and wanted to add a library function for Booster Pumping Application function. The library is not available in the libraries present in Ecostruxure Machine Expert. Kindly...
Industrial Automation icon_circle HVAC and Pumping Forum
1165 1 1
Latest Reply: Bastian_Schmitz

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