GE PQM II, Instruction Manual

Page: 202 / 216

A–4 PQMII POWER QUALITY METER – INSTRUCTION MANUAL
APPENDIX A
PATH: ACTUAL VALUES
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A2 STATUS
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MOD 506 ACTUAL VALUES
• PICKUP TIMERS : These timers are loaded with the
STEP 1(4) PICKUP DELAY
setpoint
settings when the required conditions are met. The timers are displayed beginning
with
STEP 1
on the left and ending with
STEP 4
on the right.
• DISABLE TIMERS : These timers are loaded with the
STEP 1(4) DISABLE TIME
setpoint
settings when the required conditions are met. The timers are displayed beginning
with
STEP 1
on the left and ending with
STEP 4
on the right.
• SYSTEM STABILIZATION TIMER : This timer is continuously loaded with the
SYSTEM
STABILIZATION TIME
setpoint setting and will only start to count down to 0 when the
system becomes stable.
• LOW VOLTAGE DETECT TIMER : This timer is loaded with the
LOW VOLTAGE DETECT DELAY
setpoint setting when low voltage is detected and will start to count down to 0.
Note
If the power to the PQMII is removed all timers are cleared to 0.
A.1.4 Conditions Required to Energize a STEP
The following conditions are required to energize
STEP 1
. The same conditions apply to
STEPS 2
through
4
.
• Three-phase voltage is greater than the
LOW VOLTAGE LEVEL
setting.
• The system kvars are equal to or have exceeded the setting in
STEP 1 PICKUP
setpoint.
• The programmed
SYSTEM STABILIZATION TIME
has elapsed.
• The programmed
STEP 1 PICKUP DELAY
has elapsed.
•
STEP 1
has the highest priority as set in the
STEP PRIORITY
setpoint or all other
STEPS
do not meet all of the above conditions.
„
MOD 506 [
Z
]
ACTUAL VALUES
PICKUP TIMERS (min)
0.0 0.0 0.0 0.0
MESSAGE
DISABLE TIMERS (min)
0.0 0.0 0.0 0.0
MESSAGE
SYSTEM STABILIZATION
TIMER: 5.0 min
MESSAGE
LOW VOLTAGE DETECT
TIMER: 0.0 s