Siemens SIMATIC FS600 Instrukcje Operacyjne Pobierz pdf (Strona 12)

Distributed Use of SIMATIC FS600 Laser

Scanner in Category 3 / SIL 2

Entry ID: 21330889

A&D Safety Integrated Page 12/51 AS-FE-I-010-V20-EN

21330889_as_fe_i_010_v20_en_lscanner.doc

Time sequence

The following picture illustrates the relations over time. The names of the

signals correspond to those in the STEP7 project.

The designations are displayed in the table below.

Signal Explanation

START Start command for switching the indicator light (actuator) on.

STOP Stop command for switching the indicator light (actuator) off.

ACK Acknowledgement signal

OSSD

Bit read by the fail-safe S7-CPU (F-CPU) from the laser scanner

SIMATIC FS600 via PROFIBUS. A signal change from “1“ to “0“

indicates a detection zone violation.

ACTUATOR Fail-safe output with indicator light (actuator) connected to it.

Time sequence of the signals:

Note

Requirement for the above time sequence is an active zone pair.

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 ... 50 51

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Siemens SIMATIC FS600 Instrukcje Operacyjne Strona 12