Product Overview

The Siemens 6ES7314-6BH04-0AB0 is a multifunctional compact processing unit from the established SIMATIC S7-300 series. Specifically designed as a CPU 314C-2 PtP, this module integrates a central processor with extensive onboard I/O capabilities and specialized technological functions into a single, space-efficient housing. With 192 KB of work memory, it provides the computational overhead necessary for sophisticated machine control and data processing. This unit is particularly effective for localized automation tasks that require integrated high-speed counting, positioning, and point-to-point serial communication without the need for additional expansion modules.

Specialized Hardware Attributes

This compact controller is defined by its high density of integrated interfaces and robust execution speeds, making it a "ready-to-use" solution for diverse control logic.

• Onboard Digital I/O: 24 Digital Inputs and 16 Digital Outputs (24V DC).

• Analog Interface: 4 Analog Inputs, 2 Analog Outputs, plus 1 dedicated Pt100 RTD channel for temperature sensing.

• Technological Functions: 4 High-speed counters (60 kHz) and integrated frequency measurement/pulse width modulation.

• Communication Ports: 1x MPI interface for network integration and 1x RS485 serial interface (Point-to-Point).

• Memory Architecture: 192 KB integrated work memory; requires a SIMATIC Micro Memory Card (MMC) for operation.

• Connection Requirements: Requires two 40-pole front connectors for I/O wiring.

• Mass: 0.4 kg

• Unit Dimensions: 120 mm x 125 mm x 130 mm (Standard S7-300 form factor; please note original datasheet dimensions were corrected to industry standard).

• Manufacturing Origin: Germany

Industrial Implementation Scenarios

The 6ES7314-6BH04-0AB0 is widely deployed in sectors requiring precise, high-speed interaction between sensors and actuators in a compact footprint.

• High-Speed Counting and Packaging: Utilizing the 60 kHz counters for accurate parts counting, bottle filling, and labeling synchronization on high-throughput lines.

• Point-to-Point Serial Communication: Interfacing directly with specialized legacy equipment, scanners, or third-party printers via the integrated RS485 PtP port.

• Thermal Regulation: Managing industrial oven or plastic extrusion temperatures using the integrated Pt100 input and PID control loops.

• Machine Tool Automation: Coordinating the movement and logic of small-to-medium specialized CNC tools or metalworking machines.

• Legacy System Maintenance: Serving as a critical replacement part for existing SIMATIC S7-300 installations currently in the maintenance or phase-out life cycle.