Siemens SIMATIC S7-300, CPU 312 6ES7312-1AE13-0AB0

Specification Sheet for Siemens SIMATIC S7-300, CPU 312 6ES7312-1AE13-0AB0

Basic Information

• Product Model: 6ES7312-1AE13-0AB0

• Product Series: SIMATIC S7-300

• CPU Type: CPU 312

• Application Areas: Suitable for diverse industrial automation tasks in Chemical, Electronics, Electrical, and other manufacturing sectors.

Hardware Characteristics

• Integrated Interfaces: Features an MPI (Multi-Point Interface) for communication with other devices and programming tools.

• Power Supply: Equipped with a built-in 24 V DC power supply, capable of operating within a voltage range of 19.2 V to 28.8 V.

• Power Protection: External protection measures are recommended for power supply cables to ensure safe and reliable operation.

• Storage Media: Requires a MultiMediaCard (MMC) for program and data storage.

Memory Configuration

• Working Memory: Provides 32 KByte of RAM for runtime operations.

• Load Memory (MMC): Supports up to 8 MByte of storage capacity via MMC for program and data storage.

• Retentive Memory: Offers 32 KByte of memory specifically for retentive data blocks, ensuring data persistence across power cycles.

Programming Environment

• Supported Software: Compatible with STEP 7 V5.5 + SP1 or later versions, or STEP 7 V5.2 + SP1 or later (with HSP 218) for programming, configuration, and diagnosis.

Processing Capabilities

• Bit Operation Time: Executes bitwise operations in approximately 0.1 µs, ensuring fast response times for low-level control tasks.

• Word Operation Time: Handles word-level operations in approximately 0.24 µs, suitable for intermediate data manipulation.

• Fixed-Point Arithmetic Operation Time: Performs fixed-point arithmetic calculations in approximately 0.32 µs, suitable for precision control applications.

• Floating-Point Arithmetic Operation Time: Executes floating-point arithmetic in approximately 1.1 µs, catering to complex mathematical computations.

Additional Features

• Program Block Quantities:

• Data Blocks (DBs): Supports up to 1024 data blocks for storing program-specific data.

• Function Blocks (FBs) & Functions (FCs): Allows a maximum of 1024 function blocks and functions, each with a maximum size of 32 KByte, providing flexibility for modular programming.

• Organization Blocks (OBs): Includes various OBs like OB1 (main program loop), OB10 (warm restart), OB20/21 (interrupt handling), OB32/33/34/35 (date/time interrupts), OB40 (error handling), OB100 (cold restart), OB80/82/85/87 (various system interrupts), OB121/122 (communication interrupts), among others, for comprehensive system control.

• Counters and Timers:

• S7 Counters: Offers an unlimited number of counters (limited by RAM), all with retentivity, enabling accurate counting across power cycles.

• S7 Timers: Provides an unlimited number of timers (limited by RAM), also with retentivity, for precise timing control in industrial processes.