
B-64004EN/02 TABLE OF CONTENTS
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TABLE OF CONTENTS
DEFINITION OF WARNING, CAUTION, AND NOTE .................................s-1
1 OVERVIEW .............................................................................................1
1.1 DIRECTIVE AND STANDARDS .................................................................... 3
1.1.1 Directives..................................................................................................................3
1.1.2 Related Safety Standards..........................................................................................3
1.1.3 Risk Analysis and Evaluation...................................................................................3
1.2 DEFINITION OF TERMS............................................................................... 4
1.2.1 General Definition of Terms ....................................................................................4
1.2.2 Definition of Terms Related to the Safety Function ................................................4
1.3 BASIC PRINCIPLE OF DUAL CHECK SAFETY ........................................... 5
1.3.1 Features of Dual Check Safety .................................................................................5
1.3.2 Compliance with the Safety Standard (EN954-1, Category 3) ................................5
1.3.2.1 Latent error detection and cross-check .................................................................................................. 7
1.3.2.2 Safety monitoring cycle and cross-check cycle ..................................................................................... 7
1.3.2.3 Error analysis.......................................................................................................................................... 8
1.3.2.4 Remaining risks...................................................................................................................................... 8
1.4 GENERAL INFORMATION ......................................................................... 10
2 SYSTEM CONFIGURATION................................................................. 12
3 SAFETY FUNCTIONS...........................................................................14
3.1 APPLICATION RANGE ............................................................................... 15
3.2 BEFORE USING THE SAFETY FUNCTION ............................................... 17
3.2.1 Important Items to Check Before Using the Safety Function ................................17
3.2.2 MCC off Test of the Safe Stop Function................................................................17
3.3 STOP........................................................................................................... 18
3.3.1 Stopping the Spindle Motor ...................................................................................18
3.3.2 Stopping the Servo Motor ......................................................................................18
3.3.3 Stop States ..............................................................................................................19
3.4 SAFE-RELATED I/O SIGNAL MONITORING ............................................. 20
3.5 EMERGENCY STOP................................................................................... 29
3.6 SAFE SPEED MONITORING ...................................................................... 30
3.7 SAFE MACHINE POSITION MONITORING ............................................... 32
3.8 MCC OFF TEST .......................................................................................... 34
3.9 SAFETY POSITION SWITCH FUNCTION .................................................. 35
3.10 SAFETY RELATED PARAMETERS CHECK FUNCTION........................... 37