High Alarm With Fail-Safe Operation (Set > Reset) - Siemens SITRANS RD300 Operating Instructions Manual

SITRANS RD300
High Alarm with Fail-Safe Operation (Set > Reset)
Set
Reset
energized
Relay
off
LED
Relay
LED
ACK
pressed
Relay
LED
ACK
pressed
Relay
LED
ACK
pressed
Manual only after passing below Reset (latching with clear)
Note: Relay coil is energized in non-alarm condition.
In case of power failure, relay will go to alarm state.
A5E31917845
Input
de-energized
on
Automatic (non-latching)
Automatic or Manual (non-latching)
Manual (latching)
SITRANS RD300 – OPERATING INSTRUCTIONS Page 43