Salient
Features – PLM Cube 300
- kWh & kW Meter - Accuracy better than Class 1
- DIN 96x96 Standard meter
- Large Clear LCD display with direct energy reading
- RS-485 serial port with Modbus RTU protocol
- Isolated kWh pulse output
- Suitable for both 3-phase 3 or 4 wire configurations
- Continuous parallel sampling with high sampling rate - ideal even on non-linear loads
- Safe to use fully isolated CT inputs makes it ideal even on poor power quality conditions
Salient
Features – PLM Cube 310
- kWh & kW Meter - Accuracy better than Class 1
- DIN 96x96 Standard meter
- Large Clear LCD display with direct energy reading
- RS-485 serial port with Modbus RTU protocol
- Isolated kWh pulse output
- Suitable for both 3-phase 3 or 4 wire configurations
- Continuous parallel sampling with high sampling rate - ideal even on non-linear loads
- Safe to use fully isolated CT inputs makes it ideal even on poor power quality conditions
- Dual kWh reading for dual tariff applications
- Trigger through external signal from DG of 230V
Specifications
INPUTS
- Voltage 400/230V
- 3 Phase 3 or 4 Wire
- Current 5A from
external CTs. 1A optional
- Fully isolated
@2.5kV Voltage measurement range 50% to 120%
- Current measurement
range 0.2% to 120%
- Frequency Range
- Fundamental 45 to 65Hz
- Suitable for waveforms
containing harmonics up to 20th order
- Burden on Voltage
input <0.1VA per phase
- Burden on Current
input <0.1VA per phase
- Overload on Voltage
x4 for 1 hour
- Overload on Current
x40 for 0.5 second max
- CT Primary programmable
from 10A to 25kA
- VT primary programmable
from 11V to 55kV
DISPLAY
- Type Custom, Supertwist,
LCD
- Data Retention
10 years min. Stores kWh & Meter set-up Form at 8 x
6.66mm high digits with DPs & 3.2mm legends
- Legends Wh, kWh,
MWh etc. depending on user settings
AUXILIARY
SUPPLY
- Standard 230V 50/60
Hz ±15% (Options 110V 50/60 Hz ±15%)
- Load 2VA max; Overload
x1.2 continuous
ACCURACY
- kWh Better than
Class 1 per EN 61036 & EN 62053-21
- kW Better than
±1% reading
PULSE OUTPUT
- 1 Pulse per unit
of kWh
- Scaling Settable
between 1 & 1000 counts of kWh register
- Pulse Period 0.1
sec. Default
- Settable between
0.1 and 20 sec
- Rise & Fall
Time < 2.0ms
- Type N/O Volt
free contact. Optically isolated BiFET
- Contacts 100mA
ac/dc max., 100V ac/dc max.
MODBUS RTU
Serial Communication port
- Protocol: MODBUS®
RTU with 16 bit CRC
- Baud Rate: 4800,
9600 or 19,2000 User settable
- Latency Reply
within 250ms max
- New query within
5ms of previous one
GENERAL
- Temperature Operating
-10°C to +65°C
- Humidity <
75% non-condensing
- Environment IP54
standard, Ip65 optional
MECHANICAL
- Terminals Rising
Cage. 4mm cable max
- Dimensions 96
x 96 mm x 83.5 mm
- Weight: 250 gms
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