Siemens STEP 7 Professional – Software for SIMATIC Controllers

Siemens STEP 7 Professional

Siemens STEP 7 Professional 2017 comprises the following software packages:

  • STEP 7 V5.6 Basis
  • S7 – Graph.
  • S7 – SCL
  • S7 – PLCSIM

Besides a considerable price saving in relation to the purchase of the individual components  you can take advantage of reduced installation efforts and the possibility to subscribe to a consolidated Software Update Service.


STEP 7 Professional supports all IEC languages.

In addition to the LAD, FBD

  • and
  • STL
  • languages familiar from STEP 7,

sequential function chart

  • and
  • structured text are also available.

An offline simulation of user programs created with these languages is included. STEP 7 Professional thus replaces the combination of the individual packages STEP 7, S7-GRAPH, S7-SCL and S7-PLCSIM.

Do you want to find Siemens STEP 7 or Siemens S7,you can contact us.

Siemens STEP 7 Professional – Software for SIMATIC Controllers

STEP 7 Basis

By employing STEP 7 Basis you can program the SIMATIC S7-300, S7-400, SIMATIC C7 and SIMATIC WinAC automation systems easily and conveniently.

Technical specifications

Article number


Product type designation

PC adapter USB A2

Transmission rate

Transfer rate

  • ● at the 1st interface acc. to PROFIBUS

9.6 kbit/s … 12 Mbit/s


Number of electrical connections

  • ● at the 1st interface acc. to PROFIBUS


Number of interfaces acc. to USB


Type of electrical connection

  • ● at the 1st interface acc. to PROFIBUS

9-pin Sub-D socket (RS 485)

  • ● of the USB interface

Standard-B socket

Standard for interfaces USB 2.0


Supply voltage, current consumption, power loss

Type of voltage of the supply voltage


Type of voltage supply optional external supply


Supply voltage

  • ● from USB

5 V

  • ● Note

Supply direct from USB

Relative symmetrical tolerance at DC

  • ● at 5 V

5 %

Consumed current

  • ● from USB

0.2 A

Power loss [W]

1 W

Permitted ambient conditions

Ambient temperature

  • ● during operation

0 … 60 °C

  • ● during storage

-40 … +70 °C

  • ● during transport

-40 … +70 °C

Relative humidity at 30 °C during operation maximum

95 %

Protection class IP


Design, dimensions and weight

Module format

USB V2.0 adapter


58 mm


26 mm


105 mm

Net weight

365 g

Mounting type 35 mm DIN rail mounting


Number of plug-in cards of same design plug-in per PC station


Number of units Note

Performance data

Product functions Diagnosis

Product function

  • ● Port diagnostics


Standards, specifications, approvals


  • ● for EMC


  • ● for safety from CSA and UL

cULus, UL 60950-1, CSA22.2

  • ● for emitted interference

EN 61000-6-3, EN 61000-6-4

  • ● for interference immunity

EN 61000-6-1, EN 61000-6-2

Certificate of suitability

  • ● CE marking


  • ● C-Tick


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