About Siemens PLC 6ES7318-3EL01-0AB0

Siemens SIMATIC S7-300 CPU 318-3 PN/DP (6ES7318-3EL01-0AB0)

Manufacturer: Siemens
Series: S7-300
Communication Protocols: MPI, PROFINET, PROFIBUS DP
Mounting Type: DIN Rail

The Siemens 6ES7318-3EL01-0AB0 is a high-performance SIMATIC S7-300 PLC CPU 318-3 PN/DP, designed for industrial automation and process control. It provides reliable operation and seamless communication for complex automation tasks.

Key Features:

• High-speed CPU for complex automation tasks

• Integrated PROFINET and PROFIBUS DP interfaces

• Compact and modular design for easy expansion

• Ideal for manufacturing, process automation, and machine control

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 319-3 PN/DP

Article No.: 6ES7318-3EL01-0AB0

Central Processing Unit with:

• 2 MB work memory

• 1st interface: MPI/DP 12 Mbit/s

• 2nd interface: DP master/slave

• 3rd interface: Ethernet PROFINET, 2-port switch

• Micro Memory Card (MMC) required

General Information

• Product type designation: CPU 319-3 PN/DP

• HW functional status: 01

• Firmware version: V3.2

• Isochronous mode: Yes (via 2nd PROFIBUS DP or PROFINET interface)

• Engineering with: STEP 7 V5.5 or higher

Supply Voltage

• Rated value (DC): 24 V

• Permissible range: 19.2 28.8 V

• External protection recommendation: 2 A min.

• Mains buffering: 5 ms stored energy, repeat rate min. 1 s

Current & Power

• Current consumption (rated): 1,250 mA

• No-load consumption (typ.): 500 mA

• Inrush current (typ.): 4 A

• It: 1.2 As

• Power loss (typ.): 14 W

Memory

• Work memory: 2,048 kB (non-expandable)

• Load memory: MMC, max. 8 MB

• Backup: Present, without battery

• Data management on MMC: min. 10 years

CPU Processing Times

• Bit operations: 0.004 s

• Word operations: 0.01 s

• Fixed point arithmetic: 0.01 s

• Floating point arithmetic: 0.04 s

CPU Blocks

• DB, FB, FC, OB max size: 64 kB each

• Max number of DB/FB/FC: 4,096 each

• OBs included:

  • Free cycle OB: 1 (OB 1)

  • Time alarm OB: 1 (OB 10)

  • Delay alarm OB: 2 (OB 20, 21)

  • Cyclic interrupt OBs: 4 (OB 3235)

  • Process alarm OB: 1 (OB 40)

  • DPV1 alarm OBs: 3 (OB 5557)

  • Isochronous OB: 1 (OB 61)

  • Startup OB: 1 (OB 100)

  • Asynchronous error OBs: 6 (OB 80, 82, 83, 8587)

  • Synchronous error OBs: 2 (OB 121, 122)

• Nesting depth: per priority 16, within error OB 4

Counters & Timers

• S7 counters: 2,048 (retentive adjustable Z0-Z7)

• IEC counters: Unlimited (SFB, RAM-limited)

• S7 timers: 2,048 (retentive adjustable)

• IEC timers: Unlimited (SFB, RAM-limited)

• Time range: 10 ms 9,990 s

Data Areas

• Retentive data area: max. 700 kB

• Flags: 8,192 B (retentive MB 08191)

• Clock memories: 8

• Data blocks: Retentivity adjustable, preset available

• Local data per priority class: 32,768 B max

Address Area

• Inputs/Outputs: 8,192 B each

• Process image: Inputs/Outputs adjustable 8,192 B, default 256 B

• Subprocess images: 1 max, PROFINET IO user data limited to 1,600 B

• Digital channels: Inputs/Outputs 65,536 each (central: 1,024)

• Analog channels: Inputs/Outputs 4,096 each (central: 256)

Hardware Configuration

• DP masters integrated: 2

• FM modules recommended: 8

• CP, PtP recommended: 8

• CP, LAN recommended: 10

• Max racks: 4

• Max modules per rack: 8

Clock & Time

• Hardware clock: Retentive, backup 6 weeks

• Deviation: max 10 s/day

• Operating hours counters: 4, retentive, granularity 1 h

• Clock synchronization: Supported (MPI, DP, AS, Ethernet/NTP)

Interfaces

1. MPI / PROFIBUS DP: RS 485, isolated, max 12 Mbit/s

   • DP master/slave supported

   • Max DP devices: 124

   • User data per DP device: 244 B

2. PROFINET: RJ45, 2 ports, integrated switch, 10/100 Mbit/s

   • IO Controller / IO Device / CBA / Open IE / Web server

   • Max connectable IO devices: 256 (IRT max 64)

   • Send cycles: 250 s 512 ms depending on mode

3. DPV1 & Isochronous mode: Supported (OB 61)

Programming

• Software: STEP 7 V5.5 or higher

• Languages: LAD, FBD, STL, SCL, CFC, GRAPH, HiGraph

• SFC/SFB functions: Full support

• User program protection: Password & block encryption

Dimensions & Weight

• Width: 120 mm

• Height: 125 mm

• Depth: 130 mm

• Weight: ~1,250 g 

Technical Details