4–56
PQM POWER QUALITY METER – INSTRUCTION MANUAL
S4 ALARMS/CONTROL
CHAPTER 4: PROGRAMMING
FIGURE 4–32: Setpoints Page 4 – Alarms/Control / Time
The time function is useful where a general purpose time alarm is required or a process is
required to start and stop each day at the specified time.
•
TIME RELAY
: This setpoint can be used to give an indication (alarm or control) if the
programmed
PICKUP TIME
is equaled or exceeded. Set to OFF if the feature is not
required. Selecting ALARM activates the alarm relay and displays an alarm message
whenever the PQM clock time equals or exceeds the set
PICKUP TIME
. Selecting
AUX1, AUX2 or AUX3 activates the appropriate auxiliary relay but no message is
displayed. The AUX1, AUX2 and AUX3 selections are intended for process control. The
selected relay will de-energize when the PQM clock time equals or exceeds the
DROPOUT TIME
setting.
•
PICKUP TIME
: The relay assigned in the
TIME RELAY
setpoint energizes when the PQM
clock time equals or exceeds the time specified in this setpoint. Follow the example
below to set the
PICKUP TIME
.
•
DROPOUT TIME
: The relay assigned in the
TIME RELAY
setpoint de-energizes when
the PQM clock time equals or exceeds the time specified in this setpoint. Follow the
example above to set the
DROPOUT TIME
.
PICKUP TIME
≥≥≥≥
12:00:00 am
PICKUP TIME
≥≥≥≥
03:00:00 am
PICKUP TIME
≥≥≥≥
03:35:00 am
MESSAGE
PICKUP TIME
≥≥≥≥
03:35:55 am
NEW SETPOINT
STORED
MESSAGE
MESSAGE
S T O R E
VALUE
U S E T H E V A L U E
K E Y S T O S E L E C T T H E
U N D E R L I N E D
Q U A N T I T I E S
Содержание Multilin PQM
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