6ES7314-6CH04-0AB

SIMATIC S7-300, CPU 314C-2 DP Compact CPU with MPI, 24 DI/16 DO, 4 AI, 2 AO, 1 Pt100, 4 high-speed counters (60 kHz), integrated DP interface, Integr. power supply 24 V DC, work memory 192 KB, Front connector (2x 40-pole) and Micro Memory Card required.

1. Area of application
   The 314C-2 DP CPU is the compact CPU for installations with a decentralized structure. With its extended working
   memory the compact CPU is also suitable for medium-sized applications. Integrated digital and analog I/Os enable a
   direction connection to the process, the PROFIBUS DP master/slave interface allows the connection of standalone I/O
   units. The 314C-2 DP CPU can thus be used both as a local unit for quick pre-processing as a higher-level control with a
   subordinate fieldbus system.
   Additional possibilities of use are provided with the integrated process-related functions:
   • Count
   • Frequency measurement
   • PID control
   Design
   The 314C-2 DP CPU includes:
   • Microprocessor;
   the processor reaches a processing time of 100 – 200 ns per binary instruction
   • Extended memory;
   48 KB fast RAM (corresponds to about 16 K instructions) for execution-relevant program parts provide user programs
   with sufficient space;
   Micro memory cards (4 MB max.) as load memory for the program allow additional projects to be stored (including
   symbols and comments) in the CPU.
   • Flexible expansion;
   up to 31 modules, (four-part structure)
   • Multi-point interface MPI;
   the integrated MPI interface can establish up to 12 simultaneous connections to S7-300®/400® or to PG, PC, OP.
   Among these connections, one is always reserved for PG and another for OP. The MPI can be used to establish a
   simple network with up to 16 CPUs using the “Global data communication”.

2.  PROFIBUS DP interface:

   The 314C-2 DP CPU with PROFIBUS DP master/slave interface makes it possible to create high-speed easy-to-use
   decentralized automation systems. The decentralized peripheral unit is handled as a centralized unit from the user’s
   perspective (same configuration, addressing and programming).
   • Password protection;
   A password concept protects the user program from unauthorized access.
   • Diagnostics buffer;
   the last 100 error and interrupt events are stored in a buffer for diagnostics purposes.
   • Maintenance-free data back-up;
   the CPU automatically writes retentive data to the micro memory card in case of power failure, so that it remains
   available unchanged when the power is turned on again.
   • Integrated I/Os;
   24 digital inputs (all for interrupt handling) and 16 digital outputs, as well as 4 analog inputs and 2 analog outputs make
   the 314C-2 PtP CPU a perfect PLC.
   • Integrated communications functions;
   – Programming device/OP communications
   – S7 standard communication
   – S7 communication (server only)

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