6ES7312-1AE14-0AB0 Siemens Simatic S7-300 CPU 312 CPU

Product parameters

Power supply voltage: Rated value is DC 24V, allowable range is DC 19.2V - 28.8V.

Input current: The rated value of the consumption current is 650mA, the typical no-load value is 140mA, and the typical on-state current value is 3.5A.

Memory: The working memory is integrated with 32KB and is not expandable. The loading memory is a pluggable MMC with a maximum value of 8 Mbytes.

Processing time: Typical values for bit operations are 0.1μs, typical values for word operations are 0.24μs, typical values for fixed-point operations are 0.32μs, and typical values for floating-point operations are 1.1μs.

Communication interface: It is equipped with 1 RS 485 interface, supporting MPI communication, with a maximum transmission rate of 187.5kbit/s.

Counters and timers: The number of S7 counters is 256, with a lower limit of 0 and an upper limit of 999 for the counting range. The S7 timer has 256 units, with a lower limit of 10ms and an upper limit of 9990 seconds.

Functional features

Expansion capability: Supports expansion of up to 8 modules (1-row structure). The MPI multi-point interface can simultaneously establish up to six connections with S7-300/400 or programming devices, PCS, and OP (operation panel).

Diagnostic function: The diagnostic buffer can store multiple error and interrupt events, facilitating users to diagnose and solve problems.

Parametric characteristics: The configuration, attributes and CPU response of S7 can be parameterized using STEP 7 software, including the definition of MPI multi-point interface, station address allocation, etc.

Display function: The light-emitting diodes on the module can display various status and fault information, such as hardware, programming, timer or I/O errors, as well as operation modes, etc.

Application scenarios

Manufacturing industry: It can be used for robot automation, controlling the movement and operation of industrial robots. It can also be used for conveyor belt control and machine tool control to achieve the automation of material conveying and machine tool processing.

Process control: In the petrochemical industry, it can monitor and control the production process. In the power industry, it can be applied to power generation, transmission, transformation and other links to achieve automated control and dispatching.

Infrastructure: It can be applied to signal light control, traffic monitoring, etc. in intelligent transportation, as well as lighting, air conditioning, safety and other control systems in intelligent buildings.

Other fields: It can also be used in sewage treatment and garbage disposal in environmental protection projects, as well as in irrigation, fertilization, harvesting and other scenarios in agricultural automation.

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