1–18 PQMII POWER QUALITY METER – INSTRUCTION MANUAL
CHAPTER 1: OVERVIEW
Swell:
Pickup level: ..............................................1.01 to 1.50 × VT in steps of 0.01
Dropout level: ...........................................pickup – 10% of nominal
1.6.7 System
COMMUNICATIONS
COM1/2: .........................................................RS485 2-wire, half duplex, isolated
COM3:..............................................................RS232 9-pin
Baud rate:......................................................1200 to 19200
Protocols:.......................................................Modbus
®
RTU; DNP 3.0
Functions:......................................................Read/write setpoints, read actual values, execute
commands, read device status
loopback test
CLOCK
Accuracy:.......................................................±1 min. / 30 days at 25±5°C
Resolution:.....................................................1 sec.
CONTROL POWER
Input:................................................................90 to 300 V DC or 70 to 265 V AC at 50/60 Hz
Power: .............................................................nominal 10 VA, max. 20 VA
Holdup: ...........................................................100 ms typical (at 120 V AC / 125 V DC)
It is recommended that the PQMII be powered up at least once per year to avoid
deterioration of the electrolytic capacitors in the power supply.
FUSE TYPE/RATING
5 × 20mm, 2.5 A, 250V
Slow blow, High breaking capacity
1.6.8 Testing and Approvals
TYPE TESTS
TEST REFERENCE STANDARD TEST LEVEL
Dielectric voltage withstand 2300-3700VAC
Impulse voltage withstand EN60255-5 5KV
Insulation resistance 500VDC >100mohm
Damped Oscillatory IEC61000-4-18IEC60255-22-1 2.5KV CM, 1KV DM
Electrostatic Discharge EN61000-4-2/IEC60255-22-2 Level II
RF immunity EN61000-4-3/IEC60255-22-3 10V/m 80-1Ghz
Fast Transient Disturbance EN61000-4-4/IEC60255-22-4 Class A and B
Surge Immunity EN61000-4-5/IEC60255-22-5 4Kv, 2KV
Conducted RF Immunity EN61000-4-6/IEC60255-22-6 10Vrms
Radiated & Conducted Emissions CISPR11 /CISPR22/ IEC60255-25 Class A
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