17
F3SG-4RA-25-02TS
User’s Manual
Chapter
2
Self-Test
System Operation and Functions
E
2-4. Self-Test
2-4-1. Overview
The F3SG-R performs the Self-Test when power is turned ON (within 2 seconds) to check for errors.
Also, it regularly performs the Self-Test (within a response time) while operating.
This function cannot be cancelled.
Timing chart
If an error is found in the Self-Test, the F3SG-R enters the Lockout state, keeps the safety output in the
OFF state, and indicates the error at the same time.
2-4-1-1. Self-Test details
The Self-Test detects such error as described below.
Emitter
• Failure of emitter unit or circuit
• CPU failure
• Memory failure
• Failure of Rotary Switch*
• Failure of End Cap
Receiver
• Abnormal external power supply voltage
• Failure of internal power supply circuit
• Failure of receiver unit or detection circuit
• CPU failure
• Memory failure
• Failure of safety output circuit
• Disconnected or short-circuited cable
• Failure of Rotary Switch*
• Failure of End Cap
Subsequently performs periodic test
Power supply
ON
OFF
Self test
ON
OFF
2 s max.
Summary of Contents for F3SG-R Series
Page 19: ...xvii F3SG 4RA 25 02TS User s Manual Introduction E 7 4 Revision History 107...
Page 20: ...xviii Introduction F3SG 4RA 25 02TS User s Manual...
Page 52: ...32 Chapter 3 End Cap F3SG 4RA 25 02TS User s Manual Setting with Rotary Switch and End Cap...
Page 112: ...92 Chapter 6 Maintenance Checklists F3SG 4RA 25 02TS User s Manual Checklists...
