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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
1036 2 0

2024-01-25

Solved
otrotabi
/html/rank_icons/Commander.png otrotabi

HMI Automatic documentation

What is the criterion used by the automatic documentation script to generate the HTML documentation list. It does not follow either the pages tree or an alphabetical order as far as I could see. It wou...
Industrial Automation icon_circle HVAC and Pumping Forum
1099 0 2
Latest Reply: otrotabi

Solved
POPE3909
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M172 pulse generator

Hi Noobie here,Is there any built-in pulse generator in M172 controller, I see there is R-trig but the ON period is too short. Or do I need to build one myself with timers to adjust the ON period?Thank...
Industrial Automation icon_circle HVAC and Pumping Forum
1504 0 3
Latest Reply: POPE3909

kor
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M172 Modbus Master - how to reset status 2 indication

I've problem with installations with TM172 (fw 596.12) as a master for modbus rtu heat meters network. Sites've worked correctly from few to several dosen minutes and after that controller indicate ....
Industrial Automation icon_circle HVAC and Pumping Forum
1547 0 4
Latest Reply: kor

Solved
otrotabi
/html/rank_icons/Commander.png otrotabi

Fast digital inputs TM172

I need help regarding how to use TM172 fast digital inputs. As far as I know, digital inputs DI1 and DI2 in the whole line can either be used as regular digital inputs or as fast inputs. I am sure this...
Industrial Automation icon_circle HVAC and Pumping Forum
1318 0 2
Latest Reply: otrotabi

otrotabi
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DC signals TM172

Out of curiosity, I hardly ever do this, I decided to hook up my old oscilloscope trying to find out why I am not receiving the right signal from a turbine type flow sensor. I guess there´s a step dow...
Industrial Automation icon_circle HVAC and Pumping Forum
1624 0 6
Latest Reply: otrotabi

Anonymous user
Anonymous user

BMXDDI3232 Not configurable in UNITY PRO 13

Hello guys,I'm trying to replace a broken input card (BMXDDI6402K) with two brand new BMXDDI3232.In the hardware catalog, I cannot find the BMXDDI3232.There is any way to update the hardware catalog wi...
Industrial Automation icon_circle HVAC and Pumping Forum
1363 0 1
Latest Reply: Marian_Pavlik

Anonymous user
Anonymous user

M340 AND SIEMENS S71500

I need to establish communication between Schneider M340 and S7-1500 PLC.I am using gateway converter for MODBUS TCP TO PROFINET protocol conversation. I just do not how to do programming/configuration...
Industrial Automation icon_circle HVAC and Pumping Forum
2427 0 1
Latest Reply: Marian_Pavlik

Solved
otrotabi
/html/rank_icons/Commander.png otrotabi

Chiller handshake

I need to set up a configuration where two chillers are working in parallel with a common set point. We will be using TM172PD18S for this job. Both chillers will have the same program and at HMI I will...
Industrial Automation icon_circle HVAC and Pumping Forum
1340 0 3
Latest Reply: LeTomas

Solved
otrotabi
/html/rank_icons/Commander.png otrotabi

Real time debugging on TM172 target

What happens if breakpoints are set on a real target (not on simulation)? Does the PLC freeze, stopping all control or it only allows us to use the debugger while timed and background tasks are still r...
Industrial Automation icon_circle HVAC and Pumping Forum
1359 0 4
Latest Reply: otrotabi

StevenCho
/html/rank_icons/Lieutenant_JG.png StevenCho

ESME-HVAC(M172) set/reset instruction on ST

Hi, all🙂I am looking for set/reset expression on ST language.I found that machine expert(previously Somachine) support set/reset instruction.( s= / r= )But it seems that it is not the ST but ExST.So I...
Industrial Automation icon_circle HVAC and Pumping Forum
917 0 2
Latest Reply: FedericoM

Solved
otrotabi
/html/rank_icons/Commander.png otrotabi

TM172 alarm detection

I maybe missing something very obvious here. Although in comparison a lot more limited than TM172, TM171 has a built in mechanism which allows to detect if anything is wrong as long as any item in the ...
Industrial Automation icon_circle HVAC and Pumping Forum
1220 0 4
Latest Reply: otrotabi

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