This chapter provides detailed information on the safety
functions of the SERVOPACK.
Introduction to the Safety Functions . . . . 11-2
Safety Functions . . . . . . . . . . . . . . . . . . . . . . . . 11-2
Precautions for Safety Functions . . . . . . . . . . . 11-3
Hard Wire Base Block (HWBB and SBB) . . 11-4
Risk Assessment . . . . . . . . . . . . . . . . . . . . . . . . 11-4
Hard Wire Base Block (HWBB) State . . . . . . . . . 11-5
Resetting the HWBB State . . . . . . . . . . . . . . . . 11-6
Recovery Method . . . . . . . . . . . . . . . . . . . . . . . 11-7
Detecting Errors in HWBB Signal . . . . . . . . . . . 11-7
HWBB Input Signal Specifications . . . . . . . . . . 11-8
Operation without a Host Controller . . . . . . . . . 11-8
/S-RDY (Servo Ready Output) Signal . . . . . . . . 11-9
/BK (Brake Output) Signal . . . . . . . . . . . . . . . . . 11-9
EDM1 (External Device Monitor) . . . . . . . 11-11
EDM1 Output Signal Specifications . . . . . . . . 11-11
Applications Examples for Safety Functions . . 11-12
Connection Example . . . . . . . . . . . . . . . . . . . . 11-12
Failure Detection Method . . . . . . . . . . . . . . . . 11-12
Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-13
Validating Safety Functions . . . . . . . . . . . 11-14
Connecting a Safety Function Device . . . 11-15
Safety Functions
11