PLC : S7-1200


  • Compact controllers for the low to mid-performance ranges
  • Large-scale integration, space-saving, powerful
  • With exceptional real-time performance and powerful communication options:
    • Controller with integrated PROFINET IO controller interface for communication between SIMATIC controllers, HMI, programming device or other automation components
  • All CPUs can be used in stand-alone mode, in networks and within distributed structures
  • Extremely simple installation, programming and operation
  • Integrated web server with standard and user-specific web pages
  • Data logging functionality for archiving of data at runtime from the user program
  • Powerful, integrated technology functions such as counting, measuring, closed-loop control, and motion control
  • Integrated digital and analog inputs/outputs
  • Flexible expansion facilities
    • Signal boards for direct use in a controller
    • Signal modules for expansion of controllers with input/output channels;
      including an Energy Meter module for recording and preparing energy data
    • Accessories, e.g. power supply, switch module or SIMATIC memory card


The SIMATIC S7-1200 family consists of the following modules:

  • Compact controllers with graded performances in different versions as wide-range AC or DC controllers.
  • Signal boards (analog and digital) for low-cost modular controller expansion directly on the CPU, with retention of the mounting space.
  • Different digital and analog signal modules.
  • Different communication modules and processors.
  • Ethernet switch with 4 ports for implementation of many different network topologies
  • SIWAREX weighing systems terminal module
  • PS 1207 stabilized power supply units, line voltage 115/230 V AC, rated voltage 24 V DC

Device features

  • International standards:
    SIMATIC S7-1200 complies with standards according to VDE, UL, CSA and FM (Class I, Category 2; danger zone groups A, B, C and D, T4A). The quality management system used during production is certified according to ISO 9001.

The SIMATIC S7-1200 is equipped with a variety of communication mechanisms:

  • Integrated PROFINET IO controller interface
  • Communication module with PROFIBUS DP master interface
  • Communication module with PROFIBUS DP slave interface
  • GPRS module for connection to GSM/G mobile phone networks
  • LTE module for communication in mobile phone networks of the 4th generation (long term evolution)
  • Communications processor for connection to TeleControl Server Basic control center software control center software via Ethernet, and for safe communication via IP-based networks
  • Communications processor for connection to control centers for telecontrol applications
  • RF120C for connection to SIMATIC Ident systems
  • Module SM1278 for connecting IO-Link sensors and actuators
  • Point-to-point connection via communication modules


The SIMATIC S7-1200 Controller is characterized by:

  • Easy getting started:
    Special starter packages including simulators and documentation facilitate familiarization.
  • Uncomplicated operation:
    Powerful standard commands which are simple to use, together with the user-friendly programming software, reduce the programming overhead to a minimum.
  • Real-time properties:
    Special interrupt functions, fast counters, and pulse outputs permit use even with time-critical processes.

The SIMATIC S7-1200 complies with the following national and international standards:

  • UL 508
  • CSA C22.2 No. 142
  • FM Class I, Div 2, Groups A, B, C, D; T4A Class I, Zone 2, IIC, T4
  • VDE 0160
  • EN 61131-2
  • Requirements of the EMC directive in accordance with EN 50081-1, 50081-2 and 50082-2


    SIMATIC S7-1200 is the controller for open-loop and closed-loop control tasks in mechanical and plant engineering.

    The SIMATIC S7-1200 combines compact modular design with high performance, making it suitable for a wide variety of automation applications. Its range of use extends from the replacement of relays and contactors up to complex automation tasks in networks and within distributed structures.

    The S7-1200 is increasingly opening up areas which previously required special electronics for reasons of cost effectiveness.

    Application examples include, for example:

    • Placement systems
    • Conveyor systems
    • Elevators and escalators
    • Material transportation equipment
    • Metalworking machinery
    • Packaging machines
    • Printing machines
    • Textile machines
    • Mixing systems
    • Freshwater treatment plants
    • Wastewater treatment plants
    • External displays
    • Electricity distribution stations
    • Room temperature control
    • Heating/cooling system control
    • Energy management
    • Fire protection systems
    • Air conditioning
    • Lighting control
    • Pump control
    • Security/access control systems

    Mechanical features

    • Easy mounting of the modules on a standard DIN rail or in a control panel
    • Rugged, compact plastic enclosure
    • Easily accessible connection and control elements, protected by front flaps
    • Removable connection terminals, also for analog or digital expansion modules

    PROFINET interface

    The integral PROFINET interface permits communication with:

    • Programming device
    • HMI devices
    • Other SIMATIC controllers
    • PROFINET IO automation components

    The following protocols are supported:

    • TCP/IP
    • ISO-on-TCP
    • S7 communication

    The following can be connected:

    • Field PG programming device and PCs via standard CAT5 cable.

    Technical specifications

    General technical specifications

    Degree of protection

    IP20 acc. to IEC 529

    Ambient temperature

    • Operation
      (95% humidity)
    • Horizontal installation

    -20 … +60 °C

    • Vertical installation

    -20 … +50 °C

    • Transportation and storage

    -40 … +70 °C

    • With 95% humidity

    25 … 55 °C


    • 5/24 V DC circuits

    500 V AC test voltage

    • 115/230 V AC circuits to ground

    1500 V AC test voltage

    • 115/230 V AC circuits to 115/230 V AC circuits

    1500 V AC test voltage

    • 230 V AC circuits to 5/24 V DC circuits

    1500 V AC test voltage

    • 115 V AC circuits to 5/24 V DC circuits

    1500 V AC test voltage

    Electromagnetic compatibility

    Requirements of the EMC directive

    • Noise immunity acc. to
      EN 50082-2

    Test acc. to:
    IEC 801-2, IEC 801-3, IEC 801-4, EN 50141, EN 50204, IEC 801-5, VDE 0160

    • Emitted interference acc. to EN 50081-1 and
      EN 50081-2

    Test according to
    EN 55011, Class A,
    Group 1

    Mechanical strength

    • Vibrations, test acc. to / tested with

    IEC 68, Part 2-6:
    10 … 57 Hz;
    constant amplitude
    0.3 mm;
    58 … 150 Hz;
    constant acceleration 1 g (mounted on DIN rail) or
    2 g (mounted in switchboard);
    mode of vibration:
    frequency sweeps with a sweep rate of 1 octave/minute;
    duration of vibration:
    10 frequency sweeps per axis in each direction of the three mutually perpendicular axes

    • Shocks, test acc. to / tested with

    IEC 68, Part 2-27/half-sine:
    magnitude of shock 15 g (peak value), duration 11 ms, 6 shocks in each of the three mutually perpendicular axes