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Modicon PAC Forum

A forum for topics related to the scope of Modicon PAC offers and ecosystem along the whole lifecycle: Modicon M580 and 340, EcoStruxure Control Expert, EcoStruxure Process Expert (Unity Pro) and more.

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Modicon PAC Forum

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ANF-Energy
/html/rank_icons/Crewman.png ANF-Energy

Modbus Over TCP/IP, DATA_EXCH Not Working for Code 05h (Write To Coil)

I am still new to M580 and getting Modbus over TCP/IP working. I got read register (code 03h) to work but cannot get write to coil (code 05h) using function block DATA_EXCH to work. Here are my code sa...
Industrial Automation icon_circle Modicon PAC Forum
896 0 4
Latest Reply: DiegoMarturano

rPurcell
rPurcell /html/rank_icons/EcoXpertMasterLeaf.png

EcoStruxure Control Expert: IP Address limitations on M580 - Modbus co...

I am unable to enter a valid IP address of a Modbus Device. Device IP: 10.72.0.68 PLC IP: 10.72.26.133 / 255.255.255.192 / 10.72.26.129 Attempting to enter 10.72.0.68 gives the error "IP Address and ...
Industrial Automation icon_circle Modicon PAC Forum
187 0 4
Latest Reply: rPurcell

Snacky
/html/rank_icons/Ensign.png Snacky

Is it possible to disable Maintenance Mode in ControlExpert?

We are currently using EcoStruxure Control Expert 16.0 XLS. During the commissioning phase of our machines we use Maintenance Mode in Control Expert. However, once a machine has been validated and is i...
Industrial Automation icon_circle Modicon PAC Forum
7 0 0

2025-10-21

Shafizan_Baharudin
/html/rank_icons/Crewman.png Shafizan_Baharudin

Modicon M580 - non-recoverable error

Hello Expert, Seeking assistant, any way how to recover non-recoverable issue on M580 PLC. Thanks in advance
Industrial Automation icon_circle Modicon PAC Forum
114 0 1
Latest Reply: SESA161069_EF33

VuHo
VuHo

SE LR64 intermittent level reading issue – sometimes correct, then stu...

Hello,I am using a SE LR64 (24 GHz) radar level transmitter for a mastic powder storage tank (about 70 m³). The radar sometimes measures correctly for several hours or days, but then suddenly jumps to ...
Industrial Automation icon_circle Modicon PAC Forum
116 0 0

2025-10-13

rl9283
/html/rank_icons/Crewman.png rl9283

M172 - Web default user/password

I am trying to access the web interface on the M172 PLC. The last info I can find for the default username / password is as follows:administrator / password I have tried using this combination in uppe...
Industrial Automation icon_circle Modicon PAC Forum
6427 0 5
Latest Reply: David_Mestrovic

Solved
CCM
/html/rank_icons/Crewman.png CCM

Put back M580 to factory reset

As this subject is locked https://community.se.com/t5/Modicon-PAC-Forum/How-to-Reset-a-M580-CPU/td-p/378726 We locked a BEMP585040 CPU with filtered engineering mode bad configuration. We load this ...
Industrial Automation icon_circle Modicon PAC Forum
1875 0 6
Latest Reply: jalopez

gcummings
/html/rank_icons/Ensign.png gcummings

CE 16.2 Ethernet IP Devices.

I completed Phase one of this project one year ago. My client wants to be able to control the speed of the VFD via the HMI. Ethernet was the easiest choice. I already had the IP addresses of the CPU. I...
Industrial Automation icon_circle Modicon PAC Forum
475 0 3
Latest Reply: ciupol

Solved
Jacek_P
/html/rank_icons/Lieutenant_JG.png Jacek_P /html/rank_icons/SE-Employee.png

Reading data from Siemens Data block

Hello, I am looking for information about Read_var block. Using M340 NOC0401 I would like to read Siemens 1200/1500 controller. data is located in Data block (DB). Is read_var able to read data from DB...
Industrial Automation icon_circle Modicon PAC Forum
201 0 2
Latest Reply: Jacek_P

Informational
MrBong
/html/rank_icons/Ensign.png MrBong

How to configure Modbus tcp/ip data in M580

How to read data from modbus tcp/ip in M580. I tried ADDM & ADDMX and Read_var but not getting data. Please guide further.
Industrial Automation icon_circle Modicon PAC Forum
13304 0 29
Latest Reply: BBB1

Trinxs1
/html/rank_icons/LtCommander.png Trinxs1 /html/rank_icons/SE-Employee.png

DTM Audit Tool

Have you recently updated a Drives DTM and then opened an older project and see that the DTM Audit Tool identifies a difference in the DTM used in the project and the DTM on the PC? How do you update...
Industrial Automation icon_circle Modicon PAC Forum
12457 3 14
Latest Reply: dnordenberg1

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