LOGO! Simply different – simply ingenious Micro Automation Answers for industry. Switching and controlling – the profitable way Transport facilities • • • • • Residential and commercial building services Conveyor systems Hoisting platforms Elevators Silo facilities Livestock feed delivery • • • • Interior and exterior lighting control Door/gate control Shutter, sun blind and awning control Irrigation system control Unique applications • • • • Solar-electric systems Marine Harsh environments Display panels and traffic control signs Every decision maker faces mounting pressure to increase productivity and efficiency, through optimizing energy costs and maintenance downtime. Those with innovative ideas are looking to their industrial partners for flexible controllers that perform multiple operations requiring minimal troubleshooting and maintenance. No other logic module satisfies these requirements better than LOGO!. The original and world‘s number one logic module for switching and control. 2 Heating/ventilation/ air conditioning • • • • • Energy management Heating Control Cooling systems Ventilation systems Air conditioning systems Machine controls Operational monitoring systems • • • • • • • • • • • • Advanced intelligent technology The LOGO! system from Siemens is the ideal controller for simple automation tasks in industry and building services. The intelligent logic module features maximum user friendliness and satisfies nearly every functional requirement with high speed precision, efficient instructions and memory design. Applications can easily be accomplished with LOGO! and its large selection of expansion modules. Motor, pump and valve controls Air compressors Exhaust and filtering systems Water-treatment plants Woodworking machinery Etching and purification plants Access control Vehicle control monitoring Alarm systems Level limit monitoring Traffic light control systems Baggage handling Maximum flexibility through consistent modularity Proven millions of times – in numerous applications The consistently modular design of LOGO! makes it extremely flexible. A wide range of modules allows individual expansion of LOGO! to 24 digital inputs, 16 digital outputs, 8 analog inputs and 2 analog outputs! Communications modules are also available for AS-Interface and KNX (Instabus network for building automation). Now it is also possible to use the analog output module to solve simple closed-loop control tasks. Heating and cooling systems can be designed with the RTD PT100 module using special functions for PI control, ramp response and analog multiplexing. Together with the LOGO! Soft Comfort software, configuring of the logic module is simply intuitive: program generation, project simulation and documentation are accomplished using drag and drop functionality, allowing maximum ease of operation. LOGO! includes maximum functionality: backlit display, efficient line usage, and the capability for directly modifying message texts for optimum customer interaction. These are reasons why LOGO! has been proven millions of times in a multitude of applications. 3 Even more ingenious – LOGO! also with external text display Introducing the new remote LOGO! TD text display, the newest accessory for the line of LOGO! products. The LOGO! TD provides an affordable interface for equipment builders and their customers, even for simple relay switching systems. Adjustments and troubleshooting alarms are easily handled using the LOGO! TD with built-in operator functions and diagnostics. The expansion and communications modules, as well as programs from earlier LOGO! generations are compatible when upgrading to the new Basic or Pure logic module to be able to utilize the LOGO! TD. 4 Performance optimized further The new generation LOGO! 0BA6 now offers 200 function blocks due to a more than 50 % expansion of the program memory. Other hardware upgrades include up to 4 of the digital inputs on the 12/24 & 24 V DC variants being usable as 0-10 V analog inputs and the other 4 as optional 5 kHz high speed counter inputs. Expanded Functionality The new LOGO! offers maximum visualisation with up to 50 four-line message texts with up to 32 characters per line, clearly displaying all relevant machine parameters on either or both the built-in LCD or remote LOGO! TD. ‘Ticker-text’, bar graph or I/O status switching enhance this further. Additional applications are now possible with arithmetic and pulse width modulation (PWM) function blocks. The ‘Teleservice’ feature provides for remote connectivity for program monitoring or editing – easily paying for itself in terms of expensive on-site servicing of widely distributed systems. Truly Remote Text Display You can now optionally connect an additional text display to any of the new LOGO! controllers without needing a dedicated communications module. Highlighting its ease of implementation: the same message text function block is used for either internal or external display where the message texts can also be selectively output to either or both. For example, you can output messages relevant to operation on the text display and service information only in the switching cabinet. The backlighting duration of both displays is controllable from the program and can also be set for continuous operation. Simple connection of the LOGO! TD text display Highlights • Controllable backlight and multi-language character sets • Supports 12 or 16 standard characters per line depending on selected character set • Display of up to 50 messages on either the on-board LCD or external TD or both • Switch between 2 screens or scroll up to 32 characters on any or all lines for each message • Display of up to 4 bar graphs and 4 I/O statuses per message and per character set • Password protection of RUN/STOP options on the TD 5 The LOGO! hardware LOGO! offers the widest range of capabilities and successful implementation of extensive applications with the option of selecting from 38 integrated functions and linking up to 200 of them in the user program. Operator control and monitoring are made extremely user-friendly by means of a 4 line, 32 characters per line, backlit display. This allows for the display of text, action items and current values, bar graphs and I/O status. Parameter values can also be changed in the message text. The LOGO! is suitable for almost any small industrial or non-manufacturing commercial application. LOGO! – simply more. LOGO! reduces costs by up to 50 % • Replaces many conventional switching control devices • Requires less control cabinet space • Fewer accessories • Less warehouse space for fewer components • Saves on service because it is practically wear-free 6 LOGO! reduces time requirements by up to 70 % • • • • Built-in DIN rail or panel mounting Simplified wiring and panel layout Can be programmed using LOGO! Soft Comfort Pretested sample programs can be used at no charge • Real-time clock /calendar with daylight savings time • User friendly and easy to learn documentation The LOGO! functions With the eight basic functions, you can create simple switching programs quickly either at the device or on the PC. With the 30 special functions, you can also create complex switching programs quickly and easily. An extensive selection of sample applications can be found at www.siemens.com/logo The eight basic functions AND Series connection NO contact NOR (or not) Series connection NC contact OR Parallel connection NO contact XOR (Exclusive OR) Dual changeover contact NOT Inverter AND with edge evaluation (pos. edge) NAND (and not) Parallel connection NC contact NAND with edge evaluation (neg. edge) The 30 special functions ON delay OFF delay ON/OFF delay Retentive ON delay Impulse relay/ pulse output Impulse relay/ edge-triggered Clock-pulse generator LOGO! and its modules LOGO! Basic and LOGO! Pure Digital expansion modules • Different voltages, i. e. 12 V DC, 24 V AC / DC, 115 / 240 V AC / DC – Can be used for a wide range of applications • Automatic changeover for configured daylight saving time – Reduces maintenance overhead • Password protection – Protects your engineering IP • 38 integrated, pre-tested functions – No additional devices, such as elapsed time counter, are required • Linking of 200 functions is possible – Extensive applications can be implemented without restrictions • Eight digital inputs (incl. four AIs at 12 / 24 V DC) and four digital outputs on board • Flexibly expandable up to 24 DIs, 16 DOs, 8 AIs and 2 AOs – Protects original investment – Suitable for a wide variety of applications • Display of message texts, action items and current values as well as direct modification of the values on the display (except for Pure versions) Pulse generator Stairlight switch Convenience switch • Retentive data memory – Protects current values against loss in the event of a power failure • Software LOGO! Soft Comfort V6 for user-friendly generation of control programs on PC; suitable for a variety of operating systems, such as Windows 95/98, NT 4.0, Me, 2000, XP, Vista, MAC OS X 10.4 with J2SE 1.5.0 and SUSE LINUX 10.0. • Connection facility for remote text display on all 0BA6 base modules LOGO! TD • Controllable backlight and multi-language character sets • Supports 12 or 16 standard characters per line • Display of up to 50 messages on the LCD and/or the external TD • Switch between 2 screens or scroll up to 32 characters on any or all lines for each message • Display of up to 4 bar graphs and 4 I/O statuses per message/per character set • Password protection of RUN/STOP options on the TD One-week time switch 12-month time switch Up and down counter Four versions for expanding the digital inputs and outputs: • DM8 230R / DM16 230R – Supply voltage 115 / 240 V AC / DC – Four/eight 120 / 230 V AC / DC digital inputs • – Four / eight digital output relays, 5 A per relay • DM8 24 / DM16 24 – Supply voltage 24 V DC – Four / eight 24 V DC digital inputs – Four / eight digital output transistors, 0.3 A • DM8 12 / 24R – Supply voltage 12 / 24 V DC – Four 12 / 24 V digital inputs – Four digital output relays, 5 A per relay • DM8 24R – Supply voltage 24 V AC / DC – Four 24 V AC / DC digital inputs, PNP or NPN – Four digital output relays, 5 A per relay • DM16 24R – Supply voltage 24 V DC – Eight 24 V DC digital inputs – Eight digital output relays, 5 A per relay Operating hours counter Threshold value switch The software Simple – quick – professional The LOGO! Soft Comfort software does it all – generating and testing control programs, simulating all functions and of course documentation is sensationAnalog expansion modules Communications modules ally easy with LOGO! Soft Comfort Three modules for expanding analog and temperature I/O: • AM2 – Supply voltage 12 / 24 V DC – Two channels – 0 to 10 V or 0 to 20 mA typ. • AM2 PT100 – Supply voltage 12 / 24 V DC – Two channels – Type PT100 – Measuring range – 50 °C to +200 °C • AM2 AQ – Supply voltage 24 V DC – 2 analog outputs – Output range 0 to 10 V 0/4 to 20 mA Speciality modules are also available for communication: • CM AS-Interface slave – Supply voltage 12 / 24 V DC – 4 DIs/4 DOs as interface to AS-Interface master • CM EIB / KNX – Supply voltage 24 V AC / DC – max. 16 DIs, 12 DOs, 8 AIs as interface to the KNX – Date and time can be synchronized via KNX – All digital and analog inputs/ outputs are available on the KNX as communication objects – Dimmer and shutter actuators connected to the KNX can be activated in conformance with the system using drag & drop on your PC. This is Analog comparator Analog threshold value switch Analog amplifier Analog monitoring Analog differential threshold switch how it is done: Creating control programs • Select function and position on the drawing surface • Link selected functions by means of connecting lines • Set function parameters using clear dialog window Latching relay Current inrush relay Software switch LOGO! Soft Comfort 1 Creating 2 Simulating 3 Online testing 1 4 Documenting 4 2 3 LOGO! Commissioning with LOGO! The documentation • Simulation of the entire switching process using all functions on the PC • Analog signals can be simulated with real values (e. g. temperature – 20 ºC to + 80 ºC) • Time-controlled/cyclic simulation • Simulation of clock time • Pop-up window of the LOGO! display in the simulation • Status display of all functions, parameters and current values • Online test with display of statuses and current values of LOGO! in RUN mode now in function block and ladder diagram representations Each function can be provided with additional comments • Each function can be provided with additional comments • Additional assignment of names possible for inputs and outputs • Any positioning and formatting of free text • Clear representation of control program across several pages • Professional printout with all necessary configuration information • Separate printout of parameters and interface names possible • Integration into standard Windows applications by storing as .pdf or .jpg file NEW Shift register PI controller Ramp function Analog multiplexer Message text expanded NEW Arithmetic function NEW Pulse width modulation The LOGO! software LOGO! Soft Comfort makes programming fast, yet simply elegant. Create ladder and function block diagrams with ease by selecting, dragging and dropping functions and making the logical connections. The included offline simulator for both the ‘function block’ or ‘ladder’ representation, allows programs to be tested and debugged without any connected hardware, providing significant savings on installation time and cost. Professional documentation generation is automated during program editing and configuration. LOGO! Soft Comfort – simply professional LOGO! reduces space requirements by up to 70 % • Modules based on a 4 width industry standard dimension replace a wide variety of relays, timer switches and contactor relays • 8 basic and 30 special functions replace many conventional switching devices Universal application • • • • • • Vibration-resistant High level of electromagnetic compatibility (EMC) Industrial standard For all climatic conditions Radio interference suppression class B All necessary certifications for use anywhere in the world • Marine approval 7 LOGO! modular – the technical details Base modules (BM) LOGO! 12 / 24RC1), LOGO! 12 / 24RCo2) LOGO! 241), LOGO! 24o2) Inputs 8 8 of these usable as analog inputs 4 (0 to 10 V) 4 (0 to 10 V) Input / supply voltage DC 12/24 V DC 24 V Permissible range On “0” signal On “1” signal Input current 10.8 V DC to 28.8 V DC Max. 5 V DC Min. 8.5 V DC 1.5 mA (P3 to P6), 0.1 mA (P1, P2, P7, P8) 20.4 V DC to 28.8 V DC Max. 5 V DC Min. 12 V DC 2 mA (P3 to P6), 0.1 mA (P 1, P 2, P 7, P 8) Outputs 4 relays 4 transistors Continuous current 10 A for resistive load; 3 A for inductive load 0.3 A Short-circuit protection External fuse required Electronic (approx. 1 A) Operating frequency 2 Hz for resistive load; 0.5 Hz for inductive load 10 Hz Power consumption 0.7 to 2.1 W (12 V) 1.0 to 2.4 W (24 V) 0.7 to 1.3 W 1.0 to 1.8 W Cycle time < 0.1 ms / function < 0.1 ms / function Real-time clock / calendar / retentive data memory backup Yes / typ. 80 h (2 years with battery module) – Connecting cables 2 x 1.5 mm2 or 1 x 2.5 mm2 Ambient temperature 0 to + 55 ºC Storage temperature – 40 ºC to + 70 ºC Radio interference suppression To EN 55011 (limit-value class B) Degree of protection IP20 Approvals To VDE 0631, IEC 1131, UL, FM, CSA, ship-building certifications Mounting On 35-mm DIN rail, 4 WM wide, or wall mounting Dimensions 72 (4 WM) x 90 x 55 mm (W x H x D) Digital modules (DM) LOGO! DM8 12 / 24R LOGO! DM8 24 DM16 24 Inputs 4 4/8 Input/supply voltage 12 / 24 V DC 24 V DC Permissible range 10.8 to 28.8 V DC 20.4 to 28.8 V DC On “0“ signal On “1“ signal Max. 5 V DC Min. 8.5 V DC Max. 5 V DC Min. 12 V DC Input current 1.5 mA 2 mA Outputs 4 relays 4 / 8 transistors Continuous current Ith (per terminal) 5 A for resistive load 3 A for inductive load 0.3 A Short-circuit protection required External fuse required Electronic (approx. 1 A) Operating frequency 2 Hz for resistive load 10 Hz 0.5 Hz for inductive load 12 Power consumption 0.3 to 1.7 W at 12 V DC 0.4 to 1.8 W at 24 V DC 0.8 to 1.1 W * 0.8 to 1.7 W ** Dimensions (W x H x D) 36 (2 WM) x 90 x 53 mm 36 (2 WM) x 90 x 53 mm 72 (4 WM) x 90 x 53 mm LOGO! 24RC1), LOGO! 24RCo2) LOGO! 230RC1), LOGO! 230RCo 2) 8 8 – – 24 V AC / DC 115 / 240 V AC / DC 20.4 to 28.8 V DC 20.4 to 26.4 V AC Max. 5 V DC Min. 12 V DC, 2.5 mA 85 to 253 V AC 100 to 253 V DC Max. 40 V AC / 30 V DC Min. 79 V AC / 79 V DC, 0.08 mA 4 relays 4 relays 10 A for resistive load; 3 A for inductive load 10 A for resistive load; 3 A for inductive load External fuse required External fuse required 2 Hz for resistive load; 0.5 Hz for inductive load 2 Hz for resistive load; 0.5 Hz for inductive load 1.1 to 3.1 W 1.0 to 2.4 W 1.7 to 4.6 W (115 V AC) 3.6 to 6.0 W (240 V AC) 1.1 to 2.9 W (115 V DC) 1.4 to 3.6 W (240 V DC) < 0.1 ms / function < 0.1 ms / function Yes / typ. 80 h (2 years with battery module) Yes / typ. 80 h (2 years with battery module) LOGO! DM8 24R DM16 24R LOGO! DM8 230R DM16 230R 4/8 4/8 24 V AC/DC * 24 V DC ** 115 / 240 V AC / DC 20.4 to 28.8 V DC, 20.4 to 26.4 V AC * 85 to 265 V AC, 100 to 253 V DC Max. 5 V AC / DC Min. 12 V AC / DC Max. 40 V AC Min. 79 V AC 2.5 mA*, 2.0 mA** 0.08 mA 4 / 8 relays 4 / 8 relays 5 A for resistive load 3 A for inductive load 5 A for resistive load 3 A for inductive load External fuse required External fuse required 2 Hz for resistive load 2 Hz for resistive load R: Relay outputs, C: Clock, o: No display 0.5 Hz for inductive load 0.5 Hz for inductive load *: for the DM8 module, **: for the DM16 module 0.4 to 1.8 W at 24 V DC * 0.9 to 2.7 W at 24 V AC * 0.7 ... 2.5 W at 24 V DC ** 1.1 to 3.5 W (115 V AC) ... 4.5 ** 2.4 to 4.8 W (240 V AC) ... 5.5 ** 0.5 to 1.8 W (115 V DC) ... 2.9 ** 1.2 to 2.4 W (240 V DC) ... 4.8 ** 36 (2 WM) x 90 x 53 mm 72 (4 WM) x 90 x 53 mm 36 (2 WM) x 90 x 53 mm 72 (4 WM) x 90 x 53 mm 1) : As SIPLUS component also for extended temperature range –25 °C to + 70 °C and aggressive atmosphere/thawing (www.siemens.com/siplus) 2) : As SIPLUS component also for extended temperature range –40 °C to + 70 °C and aggressive atmosphere/condensation (www.siemens.com/siplus) 13 LOGO! modular – the technical details 2): Analog modules (AM) LOGO! AM2 2) LOGO! AM2 PT100 LOGO! AM2 AQ 2) Supply voltage 12 / 24 V DC 12 / 24 V DC 24 V DC Permissible range 10.8 to 28.8 V DC 10.8 to 28.8 V DC 20.4 to 28.8 V DC Analog inputs 2 2 x PT100 2- or 3-wire – Analog outputs – – 2 Measuring range – –50 ºC to +200 ºC – Input range 0 to 10 V and/or 0/4 to 20 mA – Output range – 0 to 10 V and/or 0/4 to 20 mA Resolution 10 bits scaled to 0 to 1000 0.25 ºC Cable length (shielded and twisted) 10 m 10 m 10 m Sensor supply None 1.1 mA – Power consumption for 12 V DC for 24 V DC 0.3 to 0.6 W 0.6 to 1.2 W 0.3 to 0.6 W 0.6 to 1.2 W – 0.6 to 1.2 W Dimensions (W x H x D) 36 (2 WM) x 90 x 53 mm 36 (2 WM) x 90 x 53 mm 36 (2 WM) x 90 x 53 mm 10 bits normalized to 0 -1000 As SIPLUS component also for extended temperature range –40 °C to + 70 °C and aggressive atmosphere/condensation (www.siemens.com/siplus) LOGO! TD Text Display Supply voltage 12 V DC , 24 V AC/DC Permissible range 10.2 to 28.8 V DC or 20.4 to 26.4 V AC (47 to 63 Hz) Inputs 6 standard keys, 4 function keys (tactile surface buttons) Display 61 x 33 mm, white controllable backlight, adjustable contrast Lines / Characters 4 lines, 12/16 characters per line (depending on selected character set) Connecting cable length 2.5 m (extend up to 10 m with standard ‘straight-through‘ 9-pin serial cable) Power consumption at 24 V DC typ. 65 mA (12 V DC), typ. 40 mA (24 V DC), typ. 90 mA (24 V AC) Cut-out dimensions (W x H x D) 119.5 x 78.5 x 1.5 – 4.0 mm for panel mounting (128.2 x 86 x 38.7 overall) Communication modules (CM) EIB / KNX Supply voltage 24 V AC / DC 24 V DC Permissible range 20.4 to 28.8 V DC 20.4 to 26.4 V AC 19.2 to 28.8 V DC Digital inputs* up to 16 (also possible as ‘monoflop’) 4 Analog inputs* up to 8 – Analog outputs* up to 2 – Digital outputs* up to 12 4 Dimensions (W x H x D) 2 WM 36 x 90 x 53 mm 2 WM 36 x 90 x 53 mm * ‘virtual’ LOGO! inputs/outputs; for EIB/KNX this depends on the number of physical I/O’s already present 14 CM AS-Interface (Slave) LOGO! ordering data LOGO! versions Order number LOGO! 24 6ED1 052-1CC00-0BA6 LOGO! 24o 6ED1 052-2CC00-0BA6 LOGO! 12 / 24RC 6ED1 052-1MD00-0BA6 LOGO! 12 / 24RCo 6ED1 052-2MD00-0BA6 LOGO! 24RC (AC / DC) 6ED1 052-1HB00-0BA6 LOGO! 24RCo (AC / DC) 6ED1 052-2HB00-0BA6 LOGO! 230RC 6ED1 052-1FB00-0BA6 LOGO! 230RCo 6ED1 052-2FB00-0BA6 LOGO! TD 6ED1 055-4MH00-0BA0 Expansion modules Order number LOGO! DM8 24 6ED1 055-1CB00-0BA0 LOGO! DM8 12 / 24R 6ED1 055-1MB00-0BA1 LOGO! DM8 24R (AC / DC) 6ED1 055-1HB00-0BA0 LOGO! DM8 230R 6ED1 055-1FB00-0BA1 LOGO! DM16 24 6ED1 055-1CB10-0BA0 LOGO! DM16 24R 6ED1 055-1NB10-0BA0 LOGO! DM16 230R 6ED1 055-1FB10-0BA0 LOGO! AM2 6ED1 055-1MA00-0BA0 LOGO! AM2 PT100 6ED1 055-1MD00-0BA0 LOGO! AM2 AQ 6ED1 055-1MM00-0BA1 LOGO! accessories LOGO! PC cable / USB PC cable For easy transmission of LOGO! switching programs to and from the PC LOGO! Program module For duplication of switching programs – and for protecting your existing LOGO! Manual for starting with LOGO! • Detailed operating information • Description of all integrated functions • Numerous practical sample applications • Available in 10 languages LOGO! Power Reliable power supply for LOGO! – for converting 100/240 V AC line voltage into operating voltage • Suitable for all LOGO! 12 V DC and 24 V DC units • Various versions for different output currents additional information: www.siemens.com/sitop LOGO! Contact, Hum-free switching module • For switching resistive loads up to 20 A • For direct switching of motors up to 4 kW • For high-performance loads in noise-sensitive environments Communications modules Order number LOGO! AS-i 3RK1 400-0CE10-0AA2 LOGO! EIB / KNX 6BK1 700-0BA00-0AA1 Optional accessories Order number LOGO! Manual German 6ED1 050-1AA00-0AE7 LOGO! Manual English 6ED1 050-1AA00-0BE7 LOGO! Prom For duplicating program modules • Copying modules • Writing modules by means of LOGO! Soft Comfort LOGO! Memory card 6ED1 056-1DA00-0BA0 additional information: www.siemens.com/siplus LOGO! Battery Card 6ED1 056-6XA00-0BA0 LOGO! Combo Memory & Battery Card 6ED1 056-7DA00-0BA0 LOGO! Soft Comfort 6.1 6ED1 058-0BA02-0YA0 LOGO! Soft Comfort V 6.1 upgrade 6ED1 058-0CA02-0YE0 LOGO! PC cable 6ED1 057-1AA00-0BA0 additional information: www.siemens.com/lowvoltage Front panel racks For installation in control cabinet doors • Front IP65 (IP30 without panel) • 4 WM or 8 WM (optionally with keys) additional information: www.siemens.com/siplus LOGO! USB PC cable 6ED1 057-1AA01-0BA0 LOGO! Modem cable 6ED1 057-1CA00-0BA0 R: Relay outputs, C: Clock / time switch, o: No display The products listed here may be subject to the current European/German and / or US export regulations. LOGO! Upmitter For use with critical power supplies. Generates stable 24 V DC at the output with 8 to 59 V DC at the input additional information: www.siemens.com/siplus 15 You can find more information about LOGO! on the Internet – www.siemens.com/logo • • • • • • • Comprehensive product information Free demo software Software upgrades Preprogrammed applications News Customer magazine GO! and much more Of course you can also purchase LOGO! software and hardware online. Furthermore, you can receive personal support if necessary under “Service and Support“. Further sample applications and configuration aids can be found at www.siemens.com/microset SIPLUS LOGO! on the Internet www.siemens.com/siplus There you will find tempered LOGO! modules with • Extended temperature range • Protection against aggressive atmosphere / condensation Siemens AG Industry Sector Industry Automation P. O. Box 48 48 90026 NÜRNBERG GERMANY www.siemens.com/logo Subject to change without prior notice Order No. E20001-A1120-P271-X-7600 Dispo 06307 WÜ / 30775 MI.AS.LO.XXXX.52.1.01 WS 111010. Printed in Germany © Siemens AG 2010 The information provided in this brochure contains merely general descriptions or characteristics of performance which in actual case of use do not always apply as described or which may change as a result of further development of the products. An obligation to provide the respective characteristics shall only exist if expressly agreed in the terms of contract. All product designations may be trademarks or product names of Siemens AG or supplier companies whose use by third parties for their own purposes could violate the rights of the owners.
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