Siemens 6ES7314-6EH04-0AB0 CPU 314C-2 PN/DP 192 KB PROFINET

The Siemens 6ES7314-6EH04-0AB0 is a SIMATIC S7-300 compact CPU (type CPU 314C-2 PN/DP) with 192 KB integrated work memory, 24 digital inputs, 16 digital outputs, 4 analog inputs, 2 analog outputs, and one Pt100 input. It provides dual communication via MPI/DP at 12 Mbps and Ethernet PROFINET with an integrated 2-port switch, plus a built-in 24 V DC power supply.

Technical specifications:

• MLFB: 6ES7314-6EH04-0AB0
• Manufacturer: Siemens
• Product line: SIMATIC S7-300
• Type designation: CPU 314C-2 PN/DP
• Firmware version: V3.3
• Work memory: 192 KB integrated
• Load memory: plug-in MMC, max. 8 MB
• Digital inputs: 24 x 24 V DC, IEC 61131 type 1
• Digital outputs: 16 x 24 V DC
• High-speed counters: 4 at max. 60 kHz
• Analog inputs: 4; analog outputs: 2; Pt100 inputs: 1
• Interface 1: MPI/DP, 12 Mbps
• Interface 2: Ethernet PROFINET with 2-port switch
• Supply voltage: 24 V DC (19.2 V - 28.8 V)
• Current consumption: 850 mA rated; 190 mA no-load
• Power loss: 14 W typ.
• Bit processing time: 0.06 µs typ.
• Real-time clock backup: 6 weeks at 40°C
• Max. expansion units: 3; max. racks: 4
• Programming: STEP 7 V5.5 or higher with HSP 191
• Front connector: 2x 40-pole (required); Micro Memory Card required

Features and benefits:

• Integrated PROFINET interface with 2-port switch enables direct network connection without an additional communications processor
• Isochronous mode on PROFINET supports precise time-synchronized I/O control (OB 61)
• 4 high-speed counters at up to 60 kHz for fast pulse and encoder signal processing
• Real-time clock with 6-week backup at 40°C, maintained without a battery via MMC

Applications:

• Machine automation integrated into PROFINET-based production networks
• Mixed digital and analog process control with Pt100 temperature measurement
• High-speed counting and positioning in manufacturing equipment
• Multi-rack S7-300 configurations requiring up to 3 expansion units

Compliant with IEC 61131. Part of the Siemens SIMATIC S7-300 range.

Also known as: Siemens 6ES7314-6EH04-0AB0, SIMATIC S7-300 CPU 314C-2 PN/DP.