siemens simatic s7-尊龙人生就是博登录首页

part number:  6es7314-6eh04-0ab0

condition: new & original

brand: siemens

warranty: one year

delivery date: 5-7 days after payment

product features:

simatic s7-300, cpu 314c-2pn /dp compact cpu, with 192 kb working memory, 24 de/16 da, 4ae, 2aa, 1 pt100, 4 fast counters (60 khz), 1 mpi/dp 12mbit/s interface, 2 ethernet profinet interfaces, with dual port switch, integrated power supply 24v dc, front connector (2x 40) and need for mini memory card.

siemens ag in germany. its modular structure, easy to realize distributed configuration, high cost performance, strong electromagnetic compatibility, good anti-shock performance, make it become an economic and practical solution in a wide range of industrial control areas.

product feature editor

· modular small and medium-sized control systems for low performance requirements

· cpus of different grades are available

· different types of extension modules can be selected

· up to 32 modules can be extended

· integrated backplane bus within the module

· network connection-multi-point interface (mpi), -profibus or -industrial ethernet

· access to all modules through programmer pg

· no slot restrictions

· configuration and parameters can be set by means of "hwconfig"

working principle editor

· plc adopts the method of executing user program in a loop. ob1 is a block of tissue (the main program) that is used for looping, and it can call another block of logic, or it can be interrupted by an interrupt program (the block of tissue).

· after the start is complete, keep looping ob1, where other logic blocks (fb, sfb, fc or sfc) can be invoked.

· loop processing can be interrupted by certain events.

· during loop processing, the cpu does not directly access the input and output address areas in the i/o module, but instead accesses the input/output process image areas (in the system storage area of the cpu) within the cpu

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