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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
991 2 0

2024-01-25

Gokul22
Gokul22

Drive braking resistance always energized

We have programed atv 340. After programming drive braking resistance terminal PA+ and PB showing dc voltage 540 V always and braking resistance getting hot. What will be the cause?
Industrial Automation icon_circle HVAC and Pumping Forum
404 0 0

2024-03-27

Solved
otrotabi
/html/rank_icons/Commander.png otrotabi

filter fast digital input

What it the easiest way to filter a fast digital input ? I am reading a turbine type flow meter on FDI1 and I would like to have a result that does not change permanently but is "averaged" every 10 sec...
Industrial Automation icon_circle HVAC and Pumping Forum
1521 0 4
Latest Reply: otrotabi

Solved
obscuresc
/html/rank_icons/Lieutenant.png obscuresc

Logging the BIOS and serial numbers of TM172E28R and TM172EVEV1U

Hi, I am using a TM172PDG18R (PLC) in conjunction with an IO expansion (TM172E28R) and a unipolar stepper driver (TM172EVEV1U). I'd like to be able to log both the BIOS and serial number of all them ...
Industrial Automation icon_circle HVAC and Pumping Forum
756 0 2
Latest Reply: obscuresc

Solved
otrotabi
/html/rank_icons/Commander.png otrotabi

Dixell XEV22 communication with TM172

I have followed this video as a tutorial to setup modbus communication with a Dixell XEV22 electronic valve controller. The information I have regarding how Dixell implements modbus on their devic...
Industrial Automation icon_circle HVAC and Pumping Forum
1469 0 3
Latest Reply: otrotabi

Draad
Draad

HVAC HMI error Cl6385

Hi, after installing the Machine expert HVAC I received an error after compiling the Display program. It is error: kStr00101(804) - error C16385: kStr00101 => Invalid init value. Who knows what the ...
Industrial Automation icon_circle HVAC and Pumping Forum
1376 0 5
Latest Reply: rfond

a_shapoval_mers
/html/rank_icons/Crewman.png a_shapoval_mers

M172 and BACnet Geteway interaction

Dear support, I am new to TM172 BACnet conception. Are there opportunities for interaction between the TM172 PLC and the Bacnet 3d Device?I see a lot of documentation about how to implement TM172 as a ...
Industrial Automation icon_circle HVAC and Pumping Forum
751 0 2
Latest Reply: a_shapoval_mers

Solved
otrotabi
/html/rank_icons/Commander.png otrotabi

UDINT bits

I need to access the bits of a Udint variable. Particularly I need to know when a compressor is working during it´s minimum on time delay. This is signaled by bit 28 of the CompCntrl_OnOff FB. So, how...
Industrial Automation icon_circle HVAC and Pumping Forum
3882 0 10
Latest Reply: otrotabi

Solved
TomeLu
/html/rank_icons/Commander.png TomeLu /html/rank_icons/EcoXpertMasterLeaf.png

Where can I get a free license for Machine Expert V2.0?

hello expertI am not familiar with industrial automation control.Where can I get a free license for Machine Expert V2.0?Thank you
Industrial Automation icon_circle HVAC and Pumping Forum
8203 0 3
Latest Reply: PrabhathDandeniya

Josh4
Josh4

M172 Basic Addons

Hello, Could someone send me a link for the M172 Basic Addons library. I need to get the bit status of a DINT. Thanks, Josh
Industrial Automation icon_circle HVAC and Pumping Forum
576 0 1
Latest Reply: Josh4

Solved
obscuresc
/html/rank_icons/Lieutenant.png obscuresc

M172P* writing to a local register address

Hi, I would like to write to a known register address upon the local PLC, where the name of the register is unavailable. Is there a means to do this? Cheers.
Industrial Automation icon_circle HVAC and Pumping Forum
885 0 2
Latest Reply: obscuresc

obscuresc
/html/rank_icons/Lieutenant.png obscuresc

M172* RTC day-of-the-week validation

Hi, I'm using the sysClock registers for setting the RTC. I have observed that there is no validation for day-of-the-week. It will range check, but will let you set any time/date combo with any day o...
Industrial Automation icon_circle HVAC and Pumping Forum
802 0 2
Latest Reply: obscuresc

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