About

SIMATIC S7-1500 compact CPU CPU 1511C-1 PN, central processing unit with work memory 300 KB for program and 1.5 MB for data, 16 digital inputs, 16 digital outputs, 5 analog inputs, 2 analog outputs, 6 high-speed counters, 4 high-speed outputs for PTO/PWM/frequency output, 1st interface: PROFINET IRT with 2-port switch, 25 ns bit performance, including push-in front connector, SIMATIC Memory Card required 

SIMATIC S7-1500 Compact CPU – CPU 1511C-1 PN

General Information

• Product type: CPU 1511C-1 PN

• HW functional status: FS01

• Firmware version: V4.0 (FW update possible)

• I&M data: Yes (I&M0 to I&M3)

• Isochronous mode: Yes (min. OB 6x cycle of 500 μs)

• SysLog: Yes

• Engineering: STEP 7 TIA Portal V20 (FW V4.0) / V19 (FW V3.1)

Display & Controls

• Screen: 3.45 cm diagonal

• Keys: 8

• Mode buttons: 2

Supply Voltage

• Rated: 24 V DC

• Range: 19.2 – 28.8 V DC

• Reverse polarity protection: Yes

• Mains buffering: 5 ms stored energy

• Current consumption: 0.62 – 0.9 A (without DI/DO load)

• Inrush current: max. 1.22 A

Digital Inputs / Outputs

• Digital inputs: 16 (parameterizable)

• Digital outputs: 16 (Transistor, Push-pull)

• High-speed outputs: 4 for PTO/PWM/frequency

• Short-circuit protection: Yes

• Max switching current per channel: 0.5 A

• Max current per group: 8 A

Analog Inputs / Outputs

• Analog inputs: 5 (4x U/I, 1x R/RTD)

• Analog outputs: 2 (Voltage/current)

• Input voltage limit: 28.8 V

• Input current limit: 40 mA

• Resolution: 16-bit

Encoder Support

• Supports 2/3/4-wire encoders, incremental and pulse encoders

• Max counting frequency: 400 kHz

• Signal filter: parameterizable

Memory

• Integrated work memory: 300 KB (program), 1.5 MB (data)

• Max load memory: 32 GB via SIMATIC Memory Card

• Number of DBs: 1–60,999 (user: 1–59,999)

CPU Performance

• Bit operations: 6 ns

• Word operations: 7 ns

• Fixed-point arithmetic: 9 ns

• Floating-point arithmetic: 37 ns

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)

PROFINET & Communication

• 1 PROFINET interface (RJ45, 2 ports, integrated switch)

• Supports IPv4, PROFINET IO Controller/Device, IRT, PROFIenergy

• Max IO Devices: 128 (IRT: 64)

• OPC UA Server & Client supported (max nodes: 15,000)

• Media redundancy: MRP / MRPD supported

Supported Technology Objects

• Motion Control: 1,120 resources

• PID controllers: PID_Compact, PID_3Step, PID-Temp

• High-speed counters: 6 (max frequency 400 kHz)

• Positioning axes at 4 ms cycle: 11

• Positioning axes at 8 ms cycle: 14

Diagnostics & Status

• LED indicators: RUN/STOP, ERROR, MAINT, STOP ACTIVE, PWR

• Diagnostics: supply voltage, wire-break, short-circuit, encoder errors

• Alarms: diagnostic, program, motion technology objects

Environmental & Mechanical

• Operation temperature (horizontal): -30 °C to 60 °C

• Operation temperature (vertical): -30 °C to 40 °C

• Storage temperature: -40 °C to 70 °C

• Altitude max: 5,000 m

• Dimensions: 85 x 147 x 129 mm

• Weight: ~935 g

Technical Details