Manual Reset; Multi-Reset - ABB Sentry USR22 Product Manual

Safety relays
Hide thumbs Also See for Sentry USR22:
Table of Contents

Advertisement

5.7

Manual reset

When at least one input safety signal is not accepted, the safety relay enters to inactive mode.
The MODE LED is blue and at least one of the CH1/CH2 LEDs will turn OFF and the reset button
light is static on.
When the safety input safety signals are accepted, the CH1 LED and the CH2 LED are green and
the MODE LED is blue. The reset button light is flashing to indicate that a reset is possible. To
reset the safety circuit, press the reset button for 0.05 s to 2 s. The relay goes to active mode
and the button light turns off when the button is released (falling edge).
A reset button light test can be executed by pressing the reset button in active mode.
5.8

Multi-reset

It is possible to use one reset button to reset up to ten safety relays while maintaining the
reset button light function.
16
Always use the manual reset function when a reset button is installed.
Warning!
2TLC010073M0201 Rev.G

Advertisement

Table of Contents
loading

This manual is also suitable for:

Usr10

Table of Contents