Datasensing SH4 BASE-STANDARD, Product Reference Manual, Page: 47 / 103

RESET (STANDARD MODELS ONLY)
PRODUCT REFERENCE GUIDE
39
RESET
(Standard models only)
When ESPE locks into failure state user can go back to Normal Operation with a power
cycle or the activation of RESET function (non critical failures only).
To activate RESET function the button connected to RESET input (
pin 1
) has to be kept
pressed for at least 5 seconds in non critical failure state.
For all critical failure a power cycle is necessary.
Figure 7: Reset function timing
If the error is not removed, the light curtain goes in failure lockout again.
For a RESET to be performed two signal edge must be detected. A timeout of 10s on the
high RESET will cycle back the ESPE in lockout.
Safety light curtain STATUS
RESET
BOOT
FAILURE
NORMAL
24V
0V
5s< t <10s