Siemens 6ES7314-1AF10-0AB0 CPU | S7-300 48KB Controller

This central processing unit serves as the controller for SIMATIC S7-300 PLC systems. It executes user logic, processes data, and coordinates I/O operations in industrial applications. The module offers a cost-effective solution for small to medium control tasks requiring moderate performance.

Processing Power and Memory Resources

The Siemens 6ES7314-1AF10-0AB0 features a powerful microprocessor that handles logic operations efficiently. It includes 48 KB of work memory for storing user programs and process data. The module supports up to 1024 digital points and 128 analog channels in system configurations. Its program execution time is approximately 0.3 ms for 1000 bit operations. The CPU also accommodates 512 timers, 512 counters, and 2048 bit memories.

Technical Specifications

Specification	Detail
Model	6ES7314-1AF10-0AB0
Product Type	Central Processing Unit / Controller
System Compatibility	SIMATIC S7-300
Work Memory	48 KB
Load Memory	64 KB (RAM)
Backup Memory	64 KB (Flash EPROM)
Max Digital I/O	1024 points
Max Analog I/O	128 channels
Timers/Counters	512 each
Bit Memories	2048
Execution Time (1000 BIT)	0.3 ms
Execution Time (1000 WORD)	1.0 ms
Programming Languages	Ladder, FBD, Statement List
Communication Ports	1 x MPI/DP port
MPI Communication Speed	Up to 187.5 kbps
MPI Nodes	Up to 32
Built-in Functions	PID, Floating Point, Interrupts
Dimensions	40 × 125 × 130 mm
Weight	290 g
Power Consumption	0.8 A at 24VDC
Operating Temperature	0°C to +60°C
Storage Temperature	-40°C to +85°C
Humidity	5% to 95% non-condensing
Certifications	CE, UL, CSA

Communication and Programming Features

The built-in MPI/DP port supports communication with programming devices, operator panels, and other S7-300 CPUs. This interface enables data exchange at speeds up to 187.5 kbps across up to 32 nodes. The CPU supports multiple programming languages, including ladder logic, function block diagram, and statement list. Users can also employ CFC and SCL for more complex programming tasks. A built-in PID control capability eliminates the need for dedicated external controllers.

System Integration and Application Use

This CPU integrates seamlessly with standard S7-300 signal modules for system expansion. It supports industrial Ethernet and PROFIBUS networks through additional communication processors. The module includes an expandable load memory that you can increase via memory cards. The CPU’s compact dimensions save valuable space in distribution cabinets. Typical applications include small to medium machine control, building automation, and process control tasks.