Siemens 6AG1314-6BH04-7AB0 CPU

Applications

The Siemens 6AG1314-6BH04-7AB0 is a SIPLUS SIMATIC S7-300 CPU 314C-2 PtP compact programmable logic controller (PLC). Based on the standard 6ES7314-6BH04-0AB0, it integrates digital and analog I/O, MPI communication, and a point-to-point (PtP) serial communication interface.

With conformal coating and an extended operating temperature range of -25°C to +70°C, this SIPLUS CPU is designed for industrial automation systems that need compact control functionality and additional environmental protection.

Typical applications include:

• Industrial machine automation and sequence control

• Digital sensor acquisition and actuator control

• Analog signal measurement and output control

• Temperature measurement using a compatible Pt100 sensor

• Serial communication with compatible instruments and devices

• High-speed counting and frequency measurement

• Maintenance and upgrades of existing SIMATIC S7-300 systems

Advantages

• Integrated digital I/O: Provides 24 digital inputs and 16 digital outputs.

• Analog signal processing: Includes 4 analog inputs and 2 analog outputs.

• Pt100 measurement: Supports one integrated temperature measurement channel.

• High-speed counting: Provides four high-speed counters with frequencies up to 60 kHz.

• PtP serial communication: Supports point-to-point communication with compatible serial devices.

• MPI interface: Supports programming and communication with compatible SIMATIC equipment.

• 192 KB work memory: Provides memory for the user program and runtime data.

• Conformal coating: Adds protection for electronic components in demanding environments.

• Extended temperature range: Designed for operation from -25°C to +70°C.

• Compact controller design: Combines CPU processing, I/O, and serial communication functions in one module.

Technical FAQs

Q1: What is the Siemens 6AG1314-6BH04-7AB0 CPU?

It is a SIPLUS SIMATIC S7-300 CPU 314C-2 PtP compact PLC with integrated digital and analog I/O, MPI communication, and an RS 422/485 serial interface.

Q2: How many digital inputs and outputs does this CPU provide?

It has 24 digital inputs and 16 digital outputs for connecting compatible industrial sensors, switches, and actuators.

Q3: Does the CPU support analog signal processing?

Yes. It provides four analog inputs, two analog outputs, and one integrated Pt100 temperature measurement channel.

Q4: What is the purpose of the PtP interface?

The point-to-point interface supports serial communication with compatible devices. Its RS 422/485 interface can be used for suitable serial communication configurations, depending on the connected device and protocol.

Q5: How much work memory is available?

The CPU provides 192 KB of work memory. A compatible SIMATIC Micro Memory Card is required for operation and provides load memory for the user program.

Q6: Does the CPU support high-speed counting?

Yes. It includes four high-speed counters with frequencies up to 60 kHz. Actual performance depends on the signal configuration and application requirements.

Q7: What power supply does this CPU require?

The CPU uses a rated 24 V DC supply, with a permissible range of 19.2–28.8 V DC. The power supply should be sized appropriately for the complete control system.

Q8: What is the operating temperature range?

This SIPLUS version is designed for an operating temperature range of -25°C to +70°C. The complete installation must also meet the applicable environmental and enclosure requirements.

Q9: Which programming software is compatible with this CPU?

Compatible Siemens STEP 7 software is used for programming and configuration. Verify the required software version and hardware support package before commissioning.

Q10: What should be checked before replacing this CPU?

Verify the complete order number, STEP 7 project, Micro Memory Card, MPI settings, serial communication parameters, I/O wiring, and environmental requirements. Confirm compatibility with the existing system before installation.