D1-N Series Servo Drive User Manual Wiring
4-26 HIWIN MIKROSYSTEM Corp.
Table 4.8.3
Safety Input
SF1 High High Low Low
Status of STO Safety Function
Feedback Contact of STO Safety Function
The time between activation of SF1 and SF2 inputs and activation of STO safety function is called
response time. The response time is 6 ms to 10 ms. To prevent STO safety function from being
activated unexpectedly, signal interrupts less than 6 ms will be ignored. STO safety function will only
be activated when safety input signals are OFF for at least 6 ms.
Figure 4.8.6
A. Timing diagram of activating STO safety function
Figure 4.8.7
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