Siemens SIPLUS S7-300 6AG1312-5BF04-7AB0 CPU 312C Compact PLC

Overview

SIEMENS SIPLUS S7-300 • COMPACT CPU

6AG1312-5BF04-7AB0 SIPLUS S7-300 CPU 312C Compact Controller

A conformal-coated CPU 312C with integrated I/O and MPI for S7-300 systems.

At a Glance

Brand	Siemens
Model	6AG1312-5BF04-7AB0
Product Type	Compact PLC CPU
Core Function	PLC logic and integrated digital I/O
Base Module	6ES7312-5BF04-0AB0 CPU 312C

Integrated I/O

Provides ten digital inputs and six digital outputs.

64 KB Work Memory

Runs compact control programs with 64 KB of integrated work memory.

SIPLUS Variant

Uses the CPU 312C standard-module engineering profile with conformal coating.

Product Overview

6AG1312-5BF04-7AB0 is the SIPLUS S7-300 CPU 312C. Siemens maps this exact SIPLUS order number to standard CPU 312C 6ES7312-5BF04-0AB0 for STEP 7 project design.

It provides MPI communication, integrated 10 DI/6 DO and two 10 kHz counters. A Micro Memory Card and one 40-pole front connector are required for the compact CPU.

Ordering focus: match the SIPLUS environmental variant, STEP 7 hardware configuration, Micro Memory Card and front connector.

Key Functions

Compact Control

Runs S7-300 PLC logic with integrated digital field I/O.

Fast Counting

Provides two integrated high-speed counter channels up to 10 kHz.

MPI Engineering

Uses the CPU 312C MPI interface for programming and controller communication.

Official Specifications

Standard Module for Project Design	6ES7312-5BF04-0AB0
Integrated Digital Inputs	10
Integrated Digital Outputs	6
High-Speed Counters	2 at 10 kHz
Integrated Work Memory	64 KB
Rated Supply Voltage	24 V DC
Permissible Supply Range	19.2–28.8 V DC
Rated Current Consumption	570 mA
Typical No-Load Current	90 mA
Typical Inrush Current	5 A
Typical Power Loss	8 W
Mains Buffering Time	5 ms
Maximum MMC Capacity	8 MB
Required Front Connector	1 × 40-pole
Base CPU Firmware in Siemens Manual	V3.3

Official source:Siemens CPU 312C standard-module data sheet and Siemens SIPLUS-to-standard module comparison.

Frequently Asked Questions

Which standard CPU matches 6AG1312-5BF04-7AB0 in STEP 7?

Siemens maps it to CPU 312C order number 6ES7312-5BF04-0AB0.

How many integrated inputs does 6AG1312-5BF04-7AB0 provide?

The CPU 312C platform has ten integrated digital inputs.

How many integrated outputs does 6AG1312-5BF04-7AB0 provide?

The CPU 312C platform has six integrated digital outputs.

What memory is available on 6AG1312-5BF04-7AB0?

The mapped CPU 312C has 64 KB of integrated work memory.

Does 6AG1312-5BF04-7AB0 require a memory card?

A SIMATIC Micro Memory Card is required for the CPU 312C.

What front connector should I order for 6AG1312-5BF04-7AB0?

Order one 40-pole front connector for its integrated I/O.

What supply does 6AG1312-5BF04-7AB0 require?

Use a nominal 24 V DC supply within the 19.2 to 28.8 V range.

Compatibility & Ordering Notes

Before ordering 6AG1312-5BF04-7AB0: confirm SIPLUS variant identity, MMC capacity, front connector and available 24 V power.

SIPLUS CPU 312C checklist

• Engineer this SIPLUS module using its mapped standard CPU 312C profile.
• Order the Micro Memory Card and 40-pole front connector separately if needed.
• Check the applicable environmental and approval limits for the installation.

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