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Overview
SIMATIC Energy Suite – Energy data acquisition and load management
A high energy consumption and automated production are typical for many industries. If you want to keep your energy costs under control in the long term and you are already focusing on the digital future, you will equip your plant with integrated energy measuring technology, thus anchoring your energy management in the automation of your production processes – which is where most energy is consumed.
SIMATIC Energy Suite as an integrated option for the TIA Portal efficiently links energy management with automation, thus creating energy transparency in the production system.
Functional enhancement for energy efficiency evaluation of machines:
Especially for evaluation of the product-related energy efficiency of machines, the S7 instruction “Energy efficiency monitor for machines” extends the scope of the SIMATIC Energy Suite functions.
As part of the instruction library of STEP 7 (TIA Portal), the function can be integrated in the machine control system by the machine manufacturer.
By linking the energy consumption, the production counter and the operating state, easy evaluation of the energy efficiency is possible based on energy performance indicators (EnPI).
Benefits
Highlights:
Energy measurement and load management
- Integrated into the TIA Portal and automation
- Easy and intuitive configuration of energy data recording and of load management instead of complex manual programming
- Automatic generation of the PLC energy program for S7-1500 Controllers
- Generation of Energy Suite screens with SiVArc (no SiVArc license required)
- Archiving in the data log of WinCC Professional or WinCC Unified on the PLC-internal SIMATIC Memory Card
Production-related energy efficiency of machines (energy efficiency monitor for machines):
- Production-related and standardized determination of energy consumption in machines (in accordance with VDMA 34179)
- Easy integration into machine control system (S7-1500 / S7-1200) and local visualization of the efficiency status and the energy performance indicators (EnPI)
- Automatic long-term measurements (e.g. batch, layer)
- Creation of an efficiency log (.csv) for detailed evaluation and documentation
Design
SIMATIC Energy Suite consists of the following components:
Engineering components (TIA Portal):
- Adds new, integrated editors to the TIA Portal for configuring the energy recording and load management systems
- Library with preconfigured WinCC Professional or WinCC Unified screens for displaying energy consumption and the load management system
- Includes S7 program generator for the automatic generation of the complete S7 program:
- For acquisition, processing, buffering and archiving (WinCC Professional or WinCC Unified, or SIMATIC Memory Card) of the basic energy values relevant to billing (power rating and energy)
- For the priority-controlled connection and disconnection of consumers, producers, and storage units
- For displaying extended energy values (including voltage, current, frequency) for measuring devices that offer this function and are supported within the scope of the Energy Support Library (see below)
WinCC Runtime components (toolbox for WinCC Professional or WinCC Unified)
- Export tool for exporting the energy data archived periodically in WinCC Professional or WinCC Unified in Excel files
- Transfer tool for buffered communication of the periodic energy values relevant to billing from S7-1500 CPUs to the tag archive of WinCC Professional or WinCC Unified
S7 driver block library (Energy Support Library – EnSL):
- Contains S7 blocks for simplified communication with measuring components from the product families SIMATIC, SENTRON, SINAMICS, SIRIUS and SIMOCODE.
Installation of the Energy Support Library (EnSL) enables the supported devices to be recognized by the Energy Suite. They can then be configured as energy data sources simply by selecting the devices – making complex communication programming unnecessary.
Details on the currently supported devices can be found here:
http://www.siemens.com/energysuite-hardware
Function
Simple configuration direct in the TIA Portal
The SIMATIC Energy Suite is an option package for STEP 7 and WinCC (TIA Portal) which integrates new editors into the engineering HMI of the TIA Portal. These editors can be used to create and configure energy measuring points (‘acquisition objects’) and load management actuators (‘actuator objects’) in a simple manner.
Automatic program generation instead of complex programming
Following the completed configuration of all energy objects (acquisition objects and actuator objects), the S7 energy program is automatically generated by the program generator of the Energy Suite. This energy program can be downloaded to the controller (S7-1500) immediately after the compilation. The recording objects begin recording and pre-processing the energy values immediately after the start-up of the PLC.
Energy data recording and preprocessing is already carried out in the automation environment, close to the consumers
The recorded energy data is standardized and calculated according to the set archiving period, provided with a time stamp, and is ready for archiving.
Free choice of archive location
Archiving of the power rating and energy values relevant to billing can be made directly on the PLC-internal SIMATIC Memory Card or in a connected WinCC Professional or WinCC Unified archive.
- Archiving on SIMATIC Memory Card
The energy data is directly saved on the CPU-internal SIMATIC Memory Card according to the respective archiving period. The data is always available there as a CSV file for direct downloading via the CPU’s web server - Archiving in the WinCC Professional or WinCC Unified archive
The basic energy data (power rating and energy values) relevant to billing is saved in the archive of a connected WinCC Professional or WinCC Unified system according to the respective archiving period.
Buffered communication
To ensure high data quality, the basic energy data (power rating and energy values) is buffered in the WinCC archive prior to transfer. This data relevant to billing is then still available in the WinCC archive without losses or errors, even after a longer interruption in communication with the archive system (e.g. when restarting the PC or when there is a fault in the IT infrastructure).
Export tool for simple reading of energy data
The power rating and energy data (basic energy values relevant to billing) in the archive of the WinCC Professional or WinCC Unified system can be directly exported from the archive database to an Excel file using the supplied export tool. It is possible to create individual export templates with free selection of measuring points and time periods. These templates can subsequently be started fully automatically, or manually at a time selected by the user (e.g. at the beginning of each month).
Display and monitoring of the energy data
When generating the energy program, the power rating and energy data (basic energy values relevant to billing) of the individual measuring points (acquisition objects) are made available in uniform S7 blocks with standardized data structures. These data include all the relevant configuration data in addition to the current and periodic energy values. Thanks to this central and homogenized provision of data in the S7-CPU, it is very easy to implement additional real-time monitoring and evaluation (e.g. calculation of key statistics) in the control program, as well as uniform visualization of the energy data and energy parameters on HMI and SCADA screens.
Automatic screen generation with SIMATIC Visualization Architect (SiVArc)
Especially in larger configurations, the screens for energy recording and load management objects can be automatically generated through the use of the SiVArc option package, which saves time. To this end, an additional installation of SiVArc on the same station as Energy Suite is required. However, no SiVArc license is required for the exclusive generation of the Energy Suite screens.
PLC-based load management
In the corresponding editors of the TIA Portal, a load management system is first created and a recording object is assigned to it as an infeed signal. The individual actuator objects are then created in this load management system and their basic properties are configured. Actuators of the type consumer, producer and storage can be configured. For each actuator type, a distinction can be made between a binary-switching (on/off) or an analog-switching (0-100%) behavior. After the S7 program has been successfully generated and downloaded to the PLC and WinCC Professional or WinCC Unified Runtime has been activated, the runtime parameters of the load management system and of the associated actuator objects are set – this primarily includes the output limit, the priorities, and the chronological limit values of the actuators. With these settings, if the set output limits are exceeded, the load management system will escalate the configured actuators based on their priority and availability (disconnection of loads or connection of producers). When the current power consumption once again drops below the output limit, the load management system de-escalates these actuators (also in accordance with the respective priorities).
New in V18:
- Support of WinCC Unified
- Provision of all visualization components for energy data acquisition and load management systems
- Visualization can be generated completely via the SiVArc. No license costs are incurred for using the SiVArc in the scope of the SIMATIC Energy Suite.
- In case of a connection failure between PLC and WinCC Unified, the data is buffered on the controller and transferred to WinCC after the connection has been restored
- The tags required for visualization are license-neutral for WinCC Unified, i.e. they are not counted. Archive tags are counted and must be licensed.
- Introduction of basic load management
- Analogous to peak load management, energy consumers, producers and storage units are switched based on user-defined priorities
- The input variable for basic load management is a 10-second moving average power value
- User-defined upper and lower limits determine how the system switches. The limits can be changed dynamically
- Energy storage units as a new actuator type
- Energy storage units are supported for basic load and peak load management systems
- Depending on whether energy is required or available, energy storage units are discharged or charged
- Support of the Software Controller or Open Controller
- The Open Controller or Software Controller is supported as of firmware 21.9
6AV2108-0AA00-0AL0
Siemens SIMATIC Energy Suite Engineering, Software Update Service; Within the framework of this contract, you will receive for one year all up-to-date software versions. The contract is extended automatically by 1 year if it is not canceled 3 months prior to expiration. Period of delivery and service: 1 year from date of invoice; Requirement for conclusion: current version of the software
Visit 6AV2108-0AA00-0AL0
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