Table of Contents
Advertisement
FUNCTIONS
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
Safety light curtain STATUS
RESET
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
Safety light curtain STATUS
RESET
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.
42
SH4 STANDARD MUTING
5s < t < 10s
Figure 27: Reset function timing (SM-8)
5s < t < 10s
Figure 28: Reset function timing (SM-8-5)
BOOT
BOOT
FAILURE
NORMAL
24Vdc
0Vdc
FAILURE
NORMAL
24Vdc
0Vdc
Advertisement
Table of Contents
