Precision Digital PD138 - Manual (Page 31)

PD138 Minimux
®
II Temp & Process Scanner Instruction Manual
31
Acknowledge
The unit continues to scan and an
operator acknowledges the alarm.
All LEDs go to steady, the internal
horn is silenced, and the alarm
relay transfers. When the
Minimux
®
II returns to channel 3,
the LED will appear yellow. Just
before the Minimux
®
II moves on to
the next channel it will check the
alarm-in line and find the alarm is
still there and it will not turn the red
LED off.
The Minimux
®
II continues to scan
and again returns to channel 3, the
LED will appear yellow. Just
before the Minimux
®
II moves on to
the next channel it will check the
alarm-in line and find the alarm is
gone and turns off the red LED.
Channel 3’s LED will appear green
before the Minimux
®
II moves on to
channel 4, which will appear
yellow.
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