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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
obscuresc
obscuresc

M172P* set RS485-1 to Modbus RTU client

Hi, Is there a way to configure the RS-485-1 to a client/master port instead of a server/slave? Thanks.
Industrial Automation icon_circle HVAC and Pumping Forum
915 0 1
Latest Reply: Bastian_Schmitz

Solved
otrotabi
otrotabi

Parametric input and output configuration TM172

I am trying to develop a project where I can freely define which input gets assigned to a specific function by using an EEPROM variable, within a certain number of choices. The same criterion should wo...
Industrial Automation icon_circle HVAC and Pumping Forum
1533 0 2
Latest Reply: otrotabi

Solved
otrotabi
otrotabi

TM172 use of PLC variables in HMI expressions

According to the online help, expressions can make use of PLC variables: You can use PLC variables, target variables, global variables. You can use simple variables, elements of array or st...
Industrial Automation icon_circle HVAC and Pumping Forum
2261 0 3
Latest Reply: FedericoM

Solved
otrotabi
otrotabi

M171 error while adding a variable to a Menu

I get this error while trying to add an EEPROM variable to a Menu Cannot generate menu code (error message: Invalid Minimum value of parameter with IPA 47) Since I could not figure out what was goi...
Industrial Automation icon_circle HVAC and Pumping Forum
1358 0 2
Latest Reply: FedericoM

Solved
obscuresc
obscuresc

M172* creating additional resources in compiled HMI project

Hi, In 'EcoStruxure Machine Expert HVAC' there is this button that opens up the compiled HMI project. This feature is largely undocumented. Is there a problem if we create functions within this ed...
Industrial Automation icon_circle HVAC and Pumping Forum
1029 0 1
Latest Reply: FedericoM

Solved
RodDom18
RodDom18

HMI Transfer Mode

Hi there!I'm using an HMI HMIST6500 and I've downloaded a program from Ecostruxure Operator Terminal Expert but I forgot to put a button that can make me go back to transfer mode, so now everytime I st...
Industrial Automation icon_circle HVAC and Pumping Forum
2593 0 2
Latest Reply: RodDom18

Solved
quang21
quang21

M172 modbus RTU function block

Hello everyone, I want to ask if I use a function block to read the modbus and use the EN input to activate that Function block to read that register. In case I have 20 devices, but the response time i...
Industrial Automation icon_circle HVAC and Pumping Forum
2070 0 5
Latest Reply: quang21

Ross1993
Ross1993

M171 EPPROM Parameters issues

I'm using a TM171OF22R in Machine Expert HVAC. Not sure if anyone has seen this before but when using the Simulator, upon downloading application to the Sim all of my EPPROM variables are defaulting to...
Industrial Automation icon_circle HVAC and Pumping Forum
837 0 2
Latest Reply: Bastian_Schmitz

Cbutz
Cbutz

ATV320, ATV12 inital settings via modbus

We are currently building a application involving either a ATV320 or ATV12. When our application is assembled, our microcontroller should fully manage the ATV via modbus. Starting with initally writing...
Industrial Automation icon_circle HVAC and Pumping Forum
1655 0 2
Latest Reply: Cbutz

Solved
obscuresc
obscuresc

M172* writing to BACnet device object instance

Hi, I'm using a TM172PDG18R on 668.14 with EcoStruxure Machine Expert HVAC v1.6.0, and am connecting using Yabe v1.3.0.0. I've noticed that on boot of the PLC, the BACnet device object identifier (...
Industrial Automation icon_circle HVAC and Pumping Forum
1592 0 1
Latest Reply: FedericoM

Solved
obscuresc
obscuresc

Software download of the project results in 'ERROR sending cmd 85'

Hi, I am using EcoStruxure Machine Expert - HVAC v1.6.0. On one of my projects I routinely receive an error during a download all of the project Spoiler (Highlight to read)SendPLCCommand: ERROR sendi...
Industrial Automation icon_circle HVAC and Pumping Forum
1925 0 6
Latest Reply: FedericoM

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