Graco ProMix PD2K Operation page 49

Alarm Clearing Clearing Sequence Sequence
Alarm Alarm Clearing Sequence
NOTE: If an alarm condition is
active the System Mode will either
be Pump Off or Standby: Alarm
(Output Register 00 = '1' or '14'),
and the Event Flag will be set
(Output Register 01 = '1').
Event Flag set
(Output Register 01 = '1')
Clear most recent active
alarm or deviation.
Remaining alarm(s) or
deviation(s) still active.
NOTE: If more than 1 active
alarm or deviation exists a
repeated write of '1' to Input
Register 01 is required for each.
3A4486D
Operation Using a Programmable Logic Controller (PLC)
Clear Active Alarm
Write '1' to Input Re gis te r 01
Is there an active
alarm or deviation?
YES
Is there more than 1
YES
active alarm or deviation?
NO No action taken.
NO
Event Flag cleared
(Output Register 01 = '0')
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