5–14 PQMII POWER QUALITY METER – INSTRUCTION MANUAL
CHAPTER 5: SETPOINTS
5.2.10 Trace Memory
PATH: SETPOINTS Ö S1 PQMII SETUP ÖØ TRACE MEMORY
The Trace Memory feature involves a separate sampling data stream. All input channels
are sampled continuously at a rate of 16 times per cycle. Using a single-cycle block
interval, the input samples are checked for trigger conditions as per the trigger setpoints
below. Note that the normal sampling burst (64 samples/cycle, 2 cycles) used for all
TRACE MEMORY [Z] TRACE MEMORY USAGE:
1 x 36 cycles
Range: 1 x 36, 2 x 18, 3 x 12 cycles
MESSAGE
TRACE MEMORY TRIGGER
MODE: ONE SHOT
Range: One Shot, Retrigger
MESSAGE
Ia OVERCURRENT TRIG
LEVEL: OFF % CT
Range: 1 to 150% of CT in steps of 1 or
OFF
MESSAGE
Ib OVERCURRENT TRIG
LEVEL: OFF % CT
Range: 1 to 150% of CT in steps of 1 or
OFF
MESSAGE
Ic OVERCURRENT TRIG
LEVEL: OFF % CT
Range: 1 to 150% of CT in steps of 1 or
OFF
MESSAGE
In OVERCURRENT TRIG
LEVEL: OFF % CT
Range: 1 to 150% of CT in steps of 1 or
OFF
MESSAGE
Va OVERVOLTAGE TRIG
LEVEL: OFF % NOMINAL
Range: 20 to 150% of Nominal in steps
of 1 or OFF
MESSAGE
Vb OVERVOLTAGE TRIG
LEVEL: OFF % NOMINAL
Range: 20 to 150% of Nominal in steps
of 1 or OFF
MESSAGE
Vc OVERVOLTAGE TRIG
LEVEL: OFF % NOMINAL
Range: 20 to 150% of Nominal in steps
of 1 or OFF
MESSAGE
Va UNDERVOLTAGE TRIG
LEVEL: OFF % NOMINAL
Range: 20 to 150% of Nominal in steps
of 1 or OFF
MESSAGE
Vb UNDERVOLTAGE TRIG
LEVEL: OFF % NOMINAL
Range: 20 to 150% of Nominal in steps
of 1 or OFF
MESSAGE
Vc UNDERVOLTAGE TRIG
LEVEL: OFF % NOMINAL
Range: 20 to 150% of Nominal in steps
of 1 or OFF
MESSAGE
SWITCH INPUT A TRIG:
OFF
Range: Off, Open-to-Closed,
Closed-to-Open
MESSAGE
SWITCH INPUT B TRIG:
OFF
Range: Off, Open-to-Closed,
Closed-to-Open
MESSAGE
SWITCH INPUT C TRIG:
OFF
Range: Off, Open-to-Closed,
Closed-to-Open
MESSAGE
SWITCH INPUT D TRIG:
OFF
Range: Off, Open-to-Closed,
Closed-to-Open
MESSAGE
TRACE MEMORY TRIGGER
DELAY: 0 cycles
Range: 0 to 30 cycles in steps of 2
MESSAGE
TRACE MEMORY TRIGGER
RELAY: OFF
Range: Off, Aux1, Aux2, Aux3, Alarm