Eastron SDM120C, Руководство пользователя

Страница: 4 / 10

-
2 -
2.Specifications
2.1 Performance criteria
Operating humidity
≤
85%
Storage humidity
≤
95%
Operating temperature -25
°
C - +55
°
C
(3K6)
Storage temperature -30
°
C - +70
°
C
International standard IEC 62053-21
Accuracy class 0.5 or 1.0
Protection against penetration of dust and water IP51
Insulating encased meter of protective class
II
2.2 Meter specifications
Nominal voltage(Un) 230V AC 110V AC
Operational voltage 0.7-1.3Un
Insulation capabilities:
- AC voltage withstand
- Impulse voltage withstand
4KV for 1 minute
6kV-1.2µS waveform
Basic current(Ib) 5A
Maximum rated current(Imax) 45A
Operational current range 0.4% Ib-Imax
Over current withstand 20Imax for 0.01s
Operational frequency range 50-60Hz
±
2%
Internal power consumption
≤
2W / 10VA
Test output flash rate (RED LED) 1000imp/kWh
Pulse output rate 1000imp/kWh
Consumption indicator (RED LED) Flashing at load running
Data communication port
RS485 Modbus RTU
Data save >20 years when power off
2.3 RS485 communication specifications
Bus type RS485
protocol MODBUS RTU with 16 bit CRC
baud rate 1200,2400(default), 4800,9600
Address range 1-247 user settable
Bus Loading 32 meters per bus
Rage 1000M
Parity EVEN (default)/ODD/NONE
Stop bit 1
Data bits 8