109973668_CFL_CVM_DOC_V1_1_en

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APPLICATION EXAMPLE 
Cell Voltage 
Measurement for 
Hydrogen Industry 
CFL & MTP Creator / 3.0 and 4.0 
Siemens 
Industry 
Online 
Support 
 
Entry ID: 109973668 | V1.1 | 11/2024 © Siemens 2024 | 2 
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Table of contents 
Entry ID: 109973668 | V1.1 | 11/2024 © Siemens 2024 | 3 
Table of contents 
1. Introduction ...................................................................................................................................4 
1.1. Overview ..................................................................................................................................................... 4 
1.2. Components used ........................................................................................................................................ 5 
2. Description .....................................................................................................................................6 
2.1. Hardware ..................................................................................................................................................... 6 
2.2. Control Modules ........................................................................................................................................... 7 
2.3. PLC Program structure .................................................................................................................................. 7 
2.3.1. 01_CVM ....................................................................................................................................................... 8 
2.3.2. 10_Simulation .............................................................................................................................................. 8 
2.3.3. 15_ProDiag .................................................................................................................................................. 8 
2.3.4. 20_MTP ....................................................................................................................................................... 8 
2.3.5. 21_LCFL ....................................................................................................................................................... 9 
2.4. WinCC Unified HMI ....................................................................................................................................... 9 
2.4.1. Screens ........................................................................................................................................................ 9 
3. Initiating project runtime .............................................................................................................103.1. PLC simulation ............................................................................................................................................ 10 
3.1.1. PLCSIM Advanced ....................................................................................................................................... 10 
3.1.2. TIA Portal ................................................................................................................................................... 10 
3.2. WinCC Unified RT ........................................................................................................................................ 11 
3.2.1. TIA portal ................................................................................................................................................... 11 
3.2.2. Web browser .............................................................................................................................................. 12 
3.3. Frequent issues .......................................................................................................................................... 13 
3.3.1. IP Address .................................................................................................................................................. 13 
3.3.2. PG/PC interface ........................................................................................................................................... 13 
4. MTP Integration ...........................................................................................................................14 
4.1. MTP File ..................................................................................................................................................... 14 
4.2. MTP Integrator for WinCC Unified ................................................................................................................ 14 
4.3. MTP Integrator for PCS ................................................................................................................................ 14 
5. Appendix .....................................................................................................................................14 
5.1. Service and support .................................................................................................................................... 15 
5.2. Links and literature ..................................................................................................................................... 16 
5.3. Change documentation .............................................................................................................................. 16 
 
Introduction 
Entry ID: 109973668 | V1.1 | 11/2024 © Siemens 2024 | 4 
1. Introduction 
1.1. Overview 
Module Type Package (MTP) according to standard series VDI/VDE/NAMUR 2658 provides a solution for modular 
production and effortless commissioning of new modules into process lines. Siemens provides several solutions to make 
your machine/equipment MTP compliant. The SIMATIC Control Function Library (CFL) is a library for the automation and 
visualization level of a process unit based on Module Type Package (MTP). They enable modularized automation solutions 
for numerous branches of industry. 
You can download the libraries in the following article: 
• SIMATIC Control Function Library V3.0: https://support.industry.siemens.com/cs/ww/en/view/109826988 
• SIMATIC Process Function Library V4.0: https://support.industry.siemens.com/cs/ww/en/view/109971764 
• SIMATIC MTP Creator V4.0: https://support.industry.siemens.com/cs/ww/en/view/109925636 
 
The application example shows based on typical Electrolyzer Package Units the usage of SIMATIC CFL and PFL as a solution 
in the Hydrogen Industry. Part of the example is the simulation of process values based on the states of the control blocks 
directly within a PLC program. Afterwards with just one click you can generate a MTP file that can be imported into a Process 
Orchestration Layer (POL) such as WinCC OA, SIMATIC PCS neo, SIMATIC PCS 7 or SIMATIC MTP Integrator for WinCC Unified. 
According to the standard Package Units are called Process Equipment Assembly (PEA). 
 
There are four package units (PEA) created, which are parts of a possible Electrolyzer solution with necessary Balance of 
Plant (BoP) and will be gradually expanded in the future. This generic solution consists of a rectifier, Water Treatment, Cell 
voltage Measurement (for the stack) and a compressor. They are not connected with each other. The simplified overall 
structure of the plant can be seen in the following figure. 
 
 
 
 
 
https://support.industry.siemens.com/cs/ww/en/view/109826988
https://support.industry.siemens.com/cs/ww/en/view/109971764
https://support.industry.siemens.com/cs/ww/en/view/109925636
https://support.industry.siemens.com/cs/us/en/view/109827132
Introduction 
 
Entry ID: 109973668 | V1.1 | 11/2024 © Siemens 2024 | 5 
1.2. Components used 
This application example has been created with the following software components: 
Component Number Article Number Note 
STEP 7 Professional V19 Update 2 1 6ES7810-5CE16-0YB5 Engineering software in TIA Portal 
WinCC Unified PC V19 Update 2 1 6AV2153-2FB02-3LA5 HMI Engineering tool (10k PT) 
WinCC Unified RT PC V19 Update 2 1 6AV2154-2MB02-3AA0 HMI RT (2500 PT) 
S7-PLCSIM Advanced V6.0 1 6ES7823-1FE05-0YA7 PLC-Simulation Software 
MTP Creator V4.0 1 6AV2156-0EM02-3LA0 Library for PLC Engineering and MTP file 
creation. 
CFL RT V3.0 1 6AV2156-0PM02-3LB0 Runtime for automation system 
CFL HMI RT V3.0 1 6AV2156-0HM02-3LB0 Runtime for HMI system 
 
And the following hardware automation components are used but simulated: 
Component Number Article Number Note 
S7-15xx PLC 1 6ES75xx-xxxxx-xxxx Any S7-15xx PLC can be used 
ET 200MP Analog Input Module AI 
24xCVM HF 
4 6ES7531-7LK00-0AB0 HSP0452 (72341852) need to be installed 
 
You can purchase these components from the Siemens Industry Mall. 
 
This application example consists of the following components: 
Component File name Note 
Documentation 109973668_CFL_CVM_DOC_V1_1_en.pdf 
TIA Portal Project 109973668_ CFL_ CVM_PROJ_V1_1.zip 
 
 
https://support.industry.siemens.com/cs/ww/en/view/72341852
https://mall.industry.siemens.com/
Description 
 
Entry ID: 109973668 | V1.1 | 11/2024 © Siemens 2024 | 6 
2. Description 
In this project the Cell Voltage Measurement Modules for an electrolyzer solution are configured. This new 24-channel 
analog input modules (109972039) are used to measure the cell voltage on electrolyzers or fuel cells. Depending on the 
type of electrolyzer different operating voltages might apply (here 2.5 VDC). These voltages can detect anomalies and 
result in a necessary switch off as well as offering valuable insights into operational performance. 
 
The process is simulated in the PLC, so SIMIT is not needed. Two operators are configured. The User can just monitor 
the values and gets indications, if a value is exceeding or falling below a tolerance, warning or alarming level. The 
administrator can easily configure these limits and configure the scale and the units. 
2.1. Hardware 
The project implements S7-1500 PLC (PLC_CVM_CFL), 4 AI cards for Cell Voltage Measurement (6ES7 531-7LK00-0AB0) 
and WinCC Unified PC RT (HMI_RT) with an HMI created according to the WinCC Unified Template Suite. The PLC serves as 
controller for all CFL blocks and as the monitored values simulator. 
Device name Device Type Default Project IP Address 
PLC_1 SIMATIC CPU 1515-2 PN 192.168.0.1 
HMI_RT_1 SIMATIC WinCC Unified PC 192.168.0.2 
Between both devices the PROFINET connection PN/IE_1 is established. 
 
The 4 AI cards are implemented accordingly: 
 
The inputs are configured to be represented as REAL data type: 
https://support.industry.siemens.com/cs/ww/en/view/109972039Description 
 
Entry ID: 109973668 | V1.1 | 11/2024 © Siemens 2024 | 7 
 
2.2. Control Modules 
The Cell Voltage Measurement consists of MTP adapted control modules listed in the following table: 
Tag name Technological type Description 
CELL1 .. CELL24 AnaMon Cell Voltage Measurement Value for each Cell 
2.3. PLC Program structure 
The PLC program is divided into different groups. Group 00 contain central functions like MTP Parameter DB and OBs, 
Group 01 contain the Control Modules processing, group 10 simulates the process values; groups 15, 20 and 21 store 
standard FB and DBs 
The “Main” OB [OB1] calls CVM_24Ch_AnaMon [FB1] several times; such function block receives 24 inputs that then are 
processed as an Analog Monitoring Control Module. 
CyclicInterrupt [OB30] has an interruption cycle of 1 second, in this block CVM_Simulation [FC9] is called. This function 
generates an array of 24 elements of data type Real. 
EMConfigurationDB [DB8] is for the central parametrization of the CFL Instances in order to set names, scales, the units 
and limits. This also can be done in the interface of the FB or the used Instance DB. 
 
 
 
 
Description 
 
Entry ID: 109973668 | V1.1 | 11/2024 © Siemens 2024 | 8 
2.3.1. 01_CVM 
The function block emCallEquipment [FB1] calls all the necessary functions to process all control modules and the 
simulation of the process values. Each network calls a different group accordingly. 
For this application example 96 cells are processed. In this group the DBs containing the control modules for the 96 cells 
are stored, also a user created data block CVM_AnaMonCfgDB [DB5] that is used as an input from the HMI to overwrite the 
alarm, warning and tolerance limits to the control modules. CVM_24Ch_AnaMon [FB1] is the created function, each call 
receives 24 inputs from the cells, an enable bit and the configuration for the limits. 
 
 
2.3.2. 10_Simulation 
In this group the data block SimulatedCells [DB6] that contains an array of 24 Real elements is stored. To do so, 
CVM_Simulation [FC9] calls LGF_Random_Real [FC10077] from the Library of General Functions; such function generates 
a random value from 0 to 1, then the obtained value is escalated to have a value of -0.25 to 0.25 and added to the Base 
Value which is an input from the function call. This process is repeated 24 times to fill up the array. 
 
2.3.3. 15_ProDiag 
Standard blocks for a functionality integrated into the TIA Portal that is used for monitoring and diagnosing errors in 
machines and plants. With these blocks linked to the Control Modules of the CFL, the alarms will be automatically displayed 
in the HMI. 
 
2.3.4. 20_MTP 
This group contains the necessary Data Blocks to export the MTP file. ModuleTypePackageRevisionDB [DB11], this block 
contains a “string” for declaring the version of the MTP-file; PEAInformationLabelDB [DB10] this block has a list of product 
and instance specific information, this data will be exported in the MTP file. 
 
https://support.industry.siemens.com/cs/ww/en/view/109479728
Description 
 
Entry ID: 109973668 | V1.1 | 11/2024 © Siemens 2024 | 9 
2.3.5. 21_LCFL 
This group contains the used function blocks to process CFL Control Modules. 
 
 
2.4. WinCC Unified HMI 
The demo for WinCC Unified uses the WinCC Unified Template Suite structure. It’s divided into 3 groups: 00 - Screen layout, 
01_Overview and 02_Settings. 
2.4.1. Screens 
Complete monitoring is implemented on one screen called "10_Application" in the group “01_Overview”. This screen 
contains all 96 cells. The CFL function blocks in the PLC program are connected to the symbolic faceplates according to 
table in Chapter 2.1 Control Modules. 
All connections to CFL block instances are defined in the HMI Tag table "MTP". 
 
Additional screens located in “01 - Screenlayout” are for Navigation and Layout and ”02_Settings” for changing the display 
brightness. They are partially implemented of the WinCC Unified Template Suite style guide. 
Initiating project runtime 
 
Entry ID: 109973668 | V1.1 | 11/2024 © Siemens 2024 | 10 
3. Initiating project runtime 
3.1. PLC simulation 
This application example can run on a simulated PLCSIM Advanced instance. It is also possible to use real SIMATIC S7-
1500 PLC for running the project. 
3.1.1. PLCSIM Advanced 
1. Open PLCSIM Advanced 
 
2. Configure the instance and start it. 
 
3.1.2. TIA Portal 
1. Open TIA Portal. 
 
2. Unpack the downloaded file 109973668_CFL_CVM_PROJ_V1_1.zip and then browse for the file 
CFL_CVM_V19_V1_1.ap19. 
 
3. Select PLC_1 and click on download to device. 
Initiating project runtime 
 
Entry ID: 109973668 | V1.1 | 11/2024 © Siemens 2024 | 11 
 
3.2. WinCC Unified RT 
3.2.1. TIA portal 
1. At the recently opened project in TIA portal select the PC system device and click on the download icon. 
 
2. At the pop-up window, select Use device name and type “localhost”, click on connect and then click on load. 
 
3. On the next screen select “Full download”, “Start Runtime” and uncheck the box for “Keep current user 
administration in runtime”. Once all selections are done press Load. 
Initiating project runtime 
 
Entry ID: 109973668 | V1.1 | 11/2024 © Siemens 2024 | 12 
 
4. Open the program SIMATIC Runtime Manager. 
 
5. Check if the project is running. If the project is not listed, press the refresh button. If the project’s traffic light is 
red, then press the play button to start it. 
 
 
3.2.2. Web browser 
1. Start your web browser and open the website https://hostname (replace hostname for your PC name) 
2. Click on WinCC Unified RT 
 
3. Enter the credentials: 
https://hostname/
Initiating project runtime 
 
Entry ID: 109973668 | V1.1 | 11/2024 © Siemens 2024 | 13 
User Password 
Admin Siemens123 
Operator Siemens1 
 
4. If you have successfully downloaded the project, you should visualize the Cell Voltage Measurement Screen. 
 
 
 
3.3. Frequent issues 
3.3.1. IP Address 
Make sure that your PC has the same IP range in which the PLC is running at 10.11.80.xx 
3.3.2. PG/PC interface 
In the control panel verify that the communication interface is routed through the correct network card in case your PC 
has several networks. 
 
 
MTP Integration 
 
Entry ID: 109973668 | V1.1 | 11/2024 © Siemens 2024 | 14 
4. MTP Integration 
4.1. MTP File 
1. Start the MTP Creator Add-in by opening and activating the interface on the right side of the TIA Portal program. 
 
2. To generate the MTP file of the project you need to right click on the PLC device, select the MTP menu and click 
on the export MTP file option. 
 
3. A website with the result log will open, you can locate the MTP file path on the header of it. 
 
4.2. MTP Integrator for WinCC Unified 
The SIMATIC MTP Integrator for WinCC Unified offers you the option of importing MTP files from machine configurations 
from different manufacturers into your SCADA system and visualizing them uniformly. 
Application Example: WinCC Unified as Process Orchestration Layer 
 
4.3. MTP Integrator for PCS 
The MTP file can be integrated in SIMATIC PCS 7 and SIMATIC PCS neo as a POL System. 
Application Examples: 
• Accessibility of Services in connected MTP Units from PCS 7 
• PCS neo as POL - The MTP engineering workflow 
https://support.industry.siemens.com/cs/ww/en/view/109827132
https://support.industry.siemens.com/cs/ww/en/view/109974069
https://support.industry.siemens.com/cs/ww/en/view/109808849
https://support.industry.siemens.com/cs/ww/en/view/109974069
https://support.industry.siemens.com/cs/ww/en/view/109955053
https://support.industry.siemens.com/cs/ww/en/view/109820537
Appendix 
 
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5. Appendix 
5.1. Service and support 
 
SiePortal 
The integrated platform for product selection, purchasing and support - and connection of Industry Mall and Online 
support.The SiePortal home page replaces the previous home pages of the Industry Mall and the Online Support Portal 
(SIOS) and combines them. 
• Products & Services 
In Products & Services, you can find all our offerings as previously available in Mall Catalog. 
• Support 
In Support, you can find all information helpful for resolving technical issues with our products. 
• mySieportal 
mySiePortal collects all your personal data and processes, from your account to current orders, service requests and 
more. You can only see the full range of functions here after you have logged in. 
You can access SiePortal via this address: sieportal.siemens.com 
Technical Support 
The Technical Support of Siemens Industry provides you fast and competent support regarding all technical queries with 
numerous tailor-made offers – ranging from basic support to individual support contracts. 
Please send queries to Technical Support via Web form: support.industry.siemens.com/cs/my/src 
SITRAIN – Digital Industry Academy 
We support you with our globally available training courses for industry with practical experience, innovative learning 
methods and a concept that’s tailored to the customer’s specific needs. 
For more information on our offered trainings and courses, as well as their locations and dates, refer to our web page: 
siemens.com/sitrain 
Industry Online Support app 
You will receive optimum support wherever you are with the "Industry Online Support" app. The app is available for iOS 
and Android: 
 
 
 
 
 
https://sieportal.siemens.com/en-ww/home
https://support.industry.siemens.com/cs/my/src?lc=en-WW
https://www.siemens.com/sitrain
https://apps.apple.com/us/app/siemens-industry-online-support/id478868966
https://apps.apple.com/us/app/siemens-industry-online-support/id478868966
https://play.google.com/store/apps/details?id=com.siemens.industry.onlinesupport&hl=en
https://play.google.com/store/apps/details?id=com.siemens.industry.onlinesupport&hl=en
Appendix 
 
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5.2. Links and literature 
No. Topic 
\1\ Siemens Industry Online Support 
https://support.industry.siemens.com 
\2\ Link to this entry page of this application example 
https://support.industry.siemens.com/cs/ww/en/view/109973668 
 
5.3. Change documentation 
Version Date Modification 
V1.0 08/2024 First version 
 
V1.1 11/2024 Bugfixes, documentation of additional Package Units 
 
https://support.industry.siemens.com/
https://support.industry.siemens.com/cs/ww/en/view/109973668
	Cell Voltage Measurement for Hydrogen Industry
	1. Introduction
	1.1. Overview
	1.2. Components used
	2. Description
	2.1. Hardware
	2.2. Control Modules
	2.3. PLC Program structure
	2.3.1. 01_CVM
	2.3.2. 10_Simulation
	2.3.3. 15_ProDiag
	2.3.4. 20_MTP
	2.3.5. 21_LCFL
	2.4. WinCC Unified HMI
	2.4.1. Screens
	3. Initiating project runtime
	3.1. PLC simulation
	3.1.1. PLCSIM Advanced
	3.1.2. TIA Portal
	3.2. WinCC Unified RT
	3.2.1. TIA portal
	3.2.2. Web browser
	3.3. Frequent issues
	3.3.1. IP Address
	3.3.2. PG/PC interface
	4. MTP Integration
	4.1. MTP File
	4.2. MTP Integrator for WinCC Unified
	4.3. MTP Integrator for PCS
	5. Appendix
	5.1. Service and support
	5.2. Links and literature
	5.3. Change documentation