35 BASIC CONCEPT
35.10 Running a Safety Program
579
35
35.10
Running a Safety Program
This section describes how to execute a safety program. Information not described in this chapter is same as that of the
standard CPU. (
Page 92 MEMORY CONFIGURATION OF THE CPU
For details on the setting method (registration procedure) of safety programs, refer to the following.
GX Works3 Operating Manual
Overview
The SIL2 Process CPU executes standard programs and safety programs, and the SIL2 function module executes safety
programs only. During operations, the SIL2 Process CPU verifies the execution results of safety programs with those of the
SIL2 function module.
Devices/labels that can be used in safety programs
Only safety devices and safety labels can be used in safety programs.
• Safety device:
• Safety Label:
Safety program file
FB file for the
safety program
Safety program file
Standard program file
FB file for the
safety program
FB file for the
standard program
Device/label memory
Data required for programming
SIL2 function module
(Performs safety control only.)
<Program A>
<FB
Ò
>
FB
Safety control
Standard/safety
shared label
Safety device
Safety label
File register
Standard latch device,
standard latch label
Standard label
Standard device
SIL2 Process CPU
(Performs both standard control and safety control.)
<Program B>
<FB α>
<Program A>
<FB
Ò
>
FB
Safety control
Standard control
FB
Data are sent and
received using
the standard/safety
shared label.
Execution results are verified.
Содержание MELSEC iQ-R-R00CPU
Страница 2: ......
Страница 151: ...9 MONITOR FUNCTION 9 1 Real Time Monitor Function 149 9 MEMO ...
Страница 323: ...18 SEQUENCE SCAN SYNCHRONIZATION SAMPLING FUNCTION 321 18 MEMO ...
Страница 330: ...328 20 ROUTING SETTING 20 3 Precautions MEMO ...
Страница 423: ...26 BASIC CONCEPT 26 8 State Transition of the Redundant System 421 26 MEMO ...
Страница 524: ...522 30 MAINTENANCE AND INSPECTION FOR A REDUNDANT SYSTEM 30 1 Module Replacement in the Redundant System MEMO ...
Страница 1009: ...APPX Appendix 14 List of Available SQL Commands for CPU Module Database Access Function 1007 A MEMO ...
Страница 1014: ...1012 APPX Appendix 15 Added and Enhanced Functions MEMO ...
Страница 1027: ......