Datasensing SH4 STANDARD MUTING - Reset; SH4-X-XXXX-SM-8 Models; SH4-X-XXXX-SM-8-5 Models

FUNCTIONS
42 SH4 STANDARD MUTING
RESET
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.
SH4-X-XXXX-SM-8 models
Figure 27: Reset function timing (SM-8)
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
low RESET will cycle back the ESPE in lockout.
SH4-X-XXXX-SM-8-5 models
Figure 28: Reset function timing (SM-8-5)
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
24Vdc
0Vdc
5s < t < 10s
Safety light curtain STATUS
RESET
BOOT
FAILURE
NORMAL
24Vdc
0Vdc
5s < t < 10s