SIMATIC S7-1500 CPU 1518-4 PN/DP (6ES7518-4AP00-0AB0)

The SIMATIC S7-1500 CPU 1518-4 PN/DP is a high-performance automation controller designed for complex industrial applications.

Key Specifications:

• Rated Voltage: 24V DC

• Rated Current: 1.9 A

• Power Rating: 30 W

• Power Loss: 24 W

• Frequency: 50/60 Hz

• Dimensions (L W H): 175 147 129 mm

• Weight: 2,079 g

• Screen Diagonal: 6.1 cm

• Mounting: DIN rail

• Operating Temperature: 0C to 60C

• Protection Level: IP20

• "644" data-end="659" >Features:

  • Durable and compact design for easy DIN-rail integration

  • Optimized energy efficiency and reliable performance

  • Ideal for indoor industrial environments

  • Robust functionality for demanding automation processes

    This CPU delivers high reliability, versatility, and professional aesthetics for industrial automation systems. 

Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP

Article No: 6ES7518-4AP00-0AB0

General Information

• Product type designation: CPU 1518-4 PN/DP

• HW functional status: FS11

• Firmware version: V3.1 (FW update possible)

• I&M data: Yes (I&M0 to I&M3)

• Isochronous mode: Yes, Distributed and Central

• Engineering tool: STEP 7 TIA Portal V19 or higher

Display & Control

• Screen diagonal: 6.1 cm

• Number of keys: 6

• Mode selector switch: 1

Supply Voltage

• Rated value: 24 V DC

• Permissible range: 19.2 V 28.8 V

• Reverse polarity protection: Yes

• Mains/voltage failure stored energy time: 5 ms

Input Current & Power

• Rated current: 1.55 A

• Max current: 1.9 A

• Inrush current: 1.9 A

• It: 0.4 As

• Power consumption (backplane bus): 30 W

• Power loss (typ.): 24 W

Memory

• Work memory: 6 MB (program), 60 MB (data)

• SIMATIC Memory Card: Required, 1 slot, max. 32 GB

• Retentive data area: 768 kB

• Extended retentive data area: 20 MB

CPU Performance

• Bit operation: 1 ns

• Word operation: 2 ns

• Fixed point arithmetic: 2 ns

• Floating point arithmetic: 6 ns

CPU Blocks

• Total elements: 20,000

• DB: 1 60,999, max size 16 MB

• FB/FC: 0 65,535, max size 1 MB

• OB: Max size 1 MB

• Free cycle OBs: 100

• Time alarm OBs: 20

• Cyclic interrupt OBs: 20

• Process alarm OBs: 50

Counters & Timers

• S7 counters: 2,048 (retentive adjustable)

• IEC counters: Any (limited by memory)

• S7 timers: 2,048 (retentive adjustable)

• IEC timers: Any (limited by memory)

IO & Address Areas

• Max IO modules: 16,384

• Input/output address area: 32 kB each

• Subprocess images: Max 32

• Distributed IO systems: Max 64

Interfaces

1. X1 (PROFINET IRT, 2-port switch)

   • Max IO devices: 512 (IRT: 64)

   • Update times (IRT): 125 s 4 ms

   • PROFIenergy, Prioritized startup, Shared device supported

2. X2 (PROFINET RT)

   • Max IO devices: 128

3. X3 (Ethernet)

   • Max speed: 1000 Mbps

4. X4 (RS 485, PROFIBUS DP master)

   • Max DP devices: 125

Communication & Protocols

• S7 communication (server/client): Yes

• Open IE communication: Yes, optional encryption

• Web server: HTTP, HTTPS, web API

• OPC UA: Client & Server (requires license)

• MODBUS TCP: Supported

• S7 message functions: Max 64 login stations, 10,000 program messages

Motion & Technology Objects

• Motion Control resources: 15,360

• Positioning axes at 4 ms cycle: 140

• Positioning axes at 8 ms cycle: 192

• PID controllers: PID_Compact, PID_3Step, PID-Temp

• High-speed counter: Yes

Ambient Conditions

• Operation temperature (horizontal): 0 60 C

• Operation temperature (vertical): 0 40 C

• Storage/transport: -40 70 C

• Altitude: Max 5,000 m above sea level

Dimensions & Weight

• Width: 175 mm

• Height: 147 mm

• Depth: 129 mm

• Weight: 2,079 g