About

Manufacturer Series: S7-300
Mounting Type: DIN Rail

Looking for a high-performance Siemens PLC CPU for your industrial automation needs? Naksh Technology Solution LLP offers the Siemens 6ES7314-6BH04-0AB0, a SIMATIC S7-300 CPU 314C-2 DP designed for efficient and reliable automation control.

Key Features

• Product Type: Siemens SIMATIC S7-300 PLC CPU

• Model Number: 6ES7314-6BH04-0AB0

• Processor Type: CPU 314C-2 DP

• Integrated PROFIBUS DP interface for seamless communication

• High-speed processing for complex automation tasks

• Compact modular design with integrated I/O

• Ideal for machine control, process automation, and industrial manufacturing

Why Choose Naksh Technology Solution LLP

• Authorized supplier of Siemens automation products

• Competitive pricing with expert technical support

• Fast and reliable delivery across India

• High-quality products for industrial automation and process control 

SIMATIC S7-300 CPU 314C-2 PtP

Article No.: 6ES7314-6BH04-0AB0

• Compact CPU with MPI

• 24 Digital Inputs / 16 Digital Outputs

• 4 Analog Inputs / 2 Analog Outputs / 1 Pt100 input

• 4 High-speed counters (up to 60 kHz)

• Integrated RS485 interface, 24 V DC power supply

• Work memory: 192 KB

• Front connector (2×40 pole) and Micro Memory Card (MMC) required

General Information

• Product type: CPU 314C-2 PtP

• Hardware functional status: 01

• Firmware version: V3.3

• Programming: STEP 7 V5.5 + SP1, or V5.3 + SP2 with HSP 204

Supply Voltage

• Rated: 24 V DC (Permissible: 19.2–28.8 V)

• Recommended protection: Miniature circuit breaker (Type C ≥ 2 A, Type B ≥ 4 A)

• Stored energy on mains failure: 5 ms

• Repeat rate: ≥ 1 s

Power Consumption

• Rated current: 660 mA

• No-load current: 150 mA

• Inrush current: 5 A

• I²t: 0.7 A²·s

• Power loss: 13 W

Memory

• Work memory: 192 KB (non-expandable)

• Load memory: MMC (max. 8 MB)

• Backup: Via MMC, maintenance-free, no battery required

CPU Performance

• Bit operations: 0.06 μs

• Word operations: 0.12 μs

• Fixed point arithmetic: 0.16 μs

• Floating point arithmetic: 0.59 μs

CPU Blocks

• Total blocks: 1,024 (DBs, FBs, FCs)

• DB max size: 64 KB

• FB/FC max size: 64 KB

• OBs: Cyclic, startup, process alarm, error handling (various types, see instruction manual)

• Nesting depth: 16 per priority class

Counters & Timers

• S7 counters: 256 (retentive adjustable, range 0–999)

• IEC counters/timers: Unlimited (limited by RAM)

• S7 timers: 256 (adjustable, no preset retention)

• Time range: 10 ms – 9,990 s

Data Areas

• Retentive data area: 64 KB

• Flags: 256 B (retentive MB 0–255, preset MB 0–15)

• Clock memories: 8

• Local data per priority class: 32 KB (max 2,048 B per block)

I/O Address Area

• Inputs: 1,024 B

• Outputs: 1,024 B

• Distributed inputs/outputs: None

• Process image: Inputs 1,024 B / Outputs 1,024 B

Digital Inputs

• Number: 24 (16 for technological functions)

• Rated voltage: 24 V DC

• Input current: 8 mA (typ.)

• Delay: 0.1 / 0.3 / 3 / 15 ms (programmable)

• Cable length: Shielded 1,000 m, Unshielded 600 m

Digital Outputs

• Number: 16 (4 high-speed)

• Rated voltage: 24 V DC

• Short-circuit protection: Clocked electronically

• Output current: 5 mA – 0.6 A

• Switching frequency: Resistive 100 Hz / Inductive 0.5 Hz / Pulse outputs 2.5 kHz

Analog Inputs / Outputs

• AI: 4× voltage/current, 1× resistance (Pt100)

• AO: 2 channels (voltage/current)

• Resolution: 12-bit

• Conversion time: 1 ms

• Output settling: Voltage 0.6 ms, Capacitive 1 ms, Inductive 0.5 ms

• Input ranges:

  • Voltage: ±10 V / 0–10 V

  • Current: 0–20 mA, 4–20 mA, ±20 mA

  • Pt100 / Resistance 0–600 Ω

Encoders & Technological Functions

• Pulse outputs: 4 (PWM up to 2.5 kHz)

• Frequency measurement: 4 channels, up to 60 kHz

• PID controller: Integrated (see Technological Functions manual)

Potential Separation & Isolation

• DI, DO, AI, AO: Separated from backplane bus

• Isolation tested: 600 V DC

Interfaces

• MPI (RS485): Yes, max 187.5 kbit/s

• RS422/485: Yes (point-to-point, isolated)

• PROFINET: None

• Protocols: 3964(R), ASCII, RK 512, PG/OP communication, S7 basic communication, S7 server

Status, Diagnostics & Forcing

• Diagnostic buffer: 500 entries (100 powerfail-proof)

• Status/control variables: 30 max

• Forcing variables: 10 max

Operating Conditions

• Ambient temperature: 0–60 °C

• Programming languages: LAD, FBD, STL, SCL, CFC, GRAPH, HiGraph®

• Dimensions: 120 × 125 × 130 mm (W×H×D)

• Weight: 680 g

Technical Details