About Siemens Sinamics S7-200 Smart SR40 PLC

Data Sheet 6ES7288-1SR40-0AA0

Spare part
SIMATIC S7-200 SMART, CPU SR40 (AC/DC/Relay)

• Onboard I/O: 24 DI (24 V DC), 16 DO Relay (2 A)

• Power supply: AC 85264 V, 4763 Hz

• Program/data memory: 40 KB

General Information

Product type designation: CPU SR40 AC/DC/Relay
Engineering: STEP 7 Micro/WIN SMART
Mounting: DIN rail

Supply Voltage

• Rated AC values:

  • 120 V AC Yes

  • 230 V AC Yes

• Permissible range: 85264 V AC

• Line frequency: 4763 Hz

Input Current

• Rated consumption: 190 mA at 240 V AC

• Max consumption: 300 mA at 120 V AC

• Inrush current: max. 16.3 A at 264 V

Output Current

• 24 V DC Sensor Power: max. 300 mA

• Backplane bus 5 V DC: max. 1.4 A

Power Loss

• Max: 23 W

Memory

• Memory type: DDR

• Flash: Yes

• RAM: Yes

• User data: 16 KB

• Program memory: 24 KB

• Micro Memory Card: microSDHC (optional)

• Backup:

  • Maintenance-free

  • RTC backup: 7 days

CPU Processing Times

• Bit operations: 150 ns

• Word operations: 1.2 s

• Floating point: 3.6 s

Address Area

• Inputs: 144 bytes (256 DI bits + 56 AI words)

• Outputs: 144 bytes (256 DO bits + 56 AO words)

Clock

• Hardware real-time clock: Yes

• Backup time: 7 days

• Deviation: 120 s/month at 25C

Digital Inputs

• Total: 24

• Technological inputs: 4 HSC

• Source/sink input: Yes

• Simultaneously controllable inputs: 24 (up to 40C)

Input Voltage

• Rated: 24 V DC

• Signal "0": 5 V at 1 mA

• Signal "1": 15 V at 2.5 mA

Input Current

• Signal "0": max. 1 mA

• Signal "1": typ. 4 mA

Input Delay (parameterizable)

• 0.2 / 0.4 / 0.8 / 1.6 / 3.2 / 6.4 / 12.8 ms

• Min 0.2 ms, max 12.8 ms (01)

Technological Functions

• 6 single-phase HSC:

  • 4 200 kHz

  • 2 30 kHz

• 4 A/B phase:

  • 2 100 kHz

  • 2 20 kHz

Cable Length

• Shielded: 500 m (50 m for tech functions)

• Unshielded: 300 m

Digital Outputs

• Total: 16 relay outputs

• Resistive load: max 2 A

• Lamp load: 30 W DC / 200 W AC

Output Delay

• 01: max 10 ms

• 10: max 10 ms

Switching Frequency

• Pulse outputs: max 1 Hz

Cable Length

• Shielded: 500 m

• Unshielded: 150 m

Interfaces

1) PROFINET / Ethernet

• Industrial Ethernet: 1

• Isolated: Yes (1,500 V AC)

• Auto-negotiation: Yes

• Auto-crossing: Yes

• Speed: 10/100 Mbit/s

Protocols

• PROFINET IO Controller (since V2.4)

• PROFINET IO Device (I-Device since V2.5)

PROFINET IO Controller

• IO Devices max: 8

• Update time: 4 ms

• Address area per device:

  • Inputs: 128 bytes

  • Outputs: 128 bytes

2) RS485 Interface

• Max speed: 187.5 kbps

• Protocols supported:

  • S7 communication

  • PROFIBUS via CM DP

Communication Protocols

• TCP/IP Yes

• S7 communication (client/server) Yes

Integrated Functions

• Counters: 6

• PID control: Yes (max 8 loops)

• Pulse outputs: 3

EMC

• ESD:

  • Air: 8 kV

  • Contact: 4 kV

• Radiated immunity: 10 V/m

• Burst:

  • Supply lines: 2 kV

  • Signal lines: 2 kV

• Conducted RF: 10 V (150 kHz80 MHz)

• Emission class: EN 61000-6-4, industrial

Protection

• IP20

Ambient Conditions

• Operating temp: 0C to 55C

• Vertical mounting: max 45C

• Storage/transport: 40C to +70C

• Altitude: 1000 m to +2000 m

• Humidity: 95% non-condensing

• Free fall: 0.3 m (5 times)

Dimensions & Weight

• Width: 125 mm

• Height: 100 mm

• Depth: 81 mm

• Weight: 441.3 g

Technical Details