Siemens SIMATIC S7 CPU 312 6ES7312-5AC00-0AB0

Series#: Siemens

Product Details

SIEMENS SIMATIC S7-300 CPU 312 (6ES7312-5AC00-0AB0) – A compact yet powerful CPU for mid-range automation tasks.
Integrated MPI interface for seamless communication with HMIs and other PLCs.
High-speed processing: bit operations in just 0.1 µs for fast logic execution.
32 KB working memory and support for up to 8 MB load memory via memory card.
Flexible programming with STEP 7 V5.5+ and support for up to 1,024 data blocks.
Wide 24 V AC/DC power supply range (18–28 V) for robust industrial environments.
100% Genuine and New, rigorously inspected before international dispatch.

Specification

The Siemens SIMATIC S7-300 CPU 312, specifically the 6ES7312-5AC00-0AB0 model, is a reliable and efficient central processing unit designed for demanding automation systems in chemical, electronics, and electrical industries. It combines a compact form factor with essential communication capabilities and a robust memory architecture, making it an ideal choice for medium-scale control applications. This CPU is engineered for fast execution of logic, arithmetic, and data handling operations, ensuring precise and timely process control.

Parameter	Specification
Product Model	6ES7312-5AC00-0AB0
Product Series	SIMATIC S7-300
CPU Type	CPU 312
Integrated Interfaces	MPI (Multi-Point Interface) – optional PROFIBUS DP via expansion modules
Power Supply Voltage	24 V AC/DC (range: 18 V to 28 V AC/DC)
Power Protection	External surge protection recommended for supply cables
Storage Media	Requires memory card (e.g., MicroSD compatible) for program and data storage
Working Memory	32 KB RAM
Load Memory (max)	Up to 8 MB (depending on memory card capacity)
Retentive Memory	32 KB for data retention across power cycles
Supported Software	STEP 7 V5.5 + SP1 or later; also compatible with V5.2 + SP1 with appropriate HSP
Bit Operation Time	Approx. 0.1 µs
Word Operation Time	Approx. 0.24 µs
Fixed-Point Arithmetic Time	Approx. 0.32 µs
Floating-Point Arithmetic Time	Approx. 1.1 µs
Max. Data Blocks (DBs)	1,024
Max. Function Blocks (FBs)	1,024 (max. 32 KB per block)
Max. Functions (FCs)	1,024 (max. 32 KB per block)
Organization Blocks (OBs)	Includes OB1, OB10–OB12, OB30–OB35, and more for system tasks and interrupts
S7 Counters	Unlimited (with retentivity)
S7 Timers	Unlimited (with retentivity)
Application Areas	Chemical, Electronics, Electrical, and other industrial automation sectors