Micro RTU Stc-201 for Electrical Power Monitoring

Micro RTU STC-201 for Electrical Power Monitoring
Specification
3PhaseMeasurevoltagecurrent,activepower,reactivepower,powerfactor,frequencyandetc.
3OneFormCRelayoutput
6photo-couplerisolateddigitinputwithSOEandCounter
2analoginput(0~5vor0~20mA)
1isolatedRS485orRS232(3wire),1isolatedRS485
MODBUSRTU
harmoniccalculation
Analoginput
2ChannelAnalogInput
0~5vor0~20mA(usejumpertoselect)
Inputresistance0~5v170kΩ0~20mA250Ω
12bitA/D
0.2%FS±2digit
ACinput
3-Meteror2-Meter
3PT&CTor2PT&CT
Voltage400Vor120V
Current5Aor1A
Measurements:Voltage,current,activepower,reactivePowerofeachphase,3PhasePower,
3PhasereactivePower,PowerFactor,Frequencyandetc..
Voltage0.5%FS±2digit
Current0.5%FS±1digit
ReactivePower2.0%FS±3digit
Frequency±0.01Hz±1digit
Frequency40~65Hz
DigitInput
6ChannelDigitInput
Photo-couplerIsolated
Commons:allNegative
DC12v~48VInputVoltage
20kΩInputresistance
SOEwith1msresolving
RelayOutput
ChannelRelayOutput
oneFormC(SPDT)
250V/3AACContactCapacity
RelayContactsDirectlyconnecttoIOterminals
Communication
1RS485orRS232(3wire),1RS485
MODBUSRTU
Maxbaudrate38400bps
AddressSetting:DIPSW1~31
OperationCondition
Operatingtemperature:
-20°C~70°C
Storagetemperature:
-40~85°C
Operatinghumidity:
<85%RH(20±5°C)
atmospheric:
86~108KpaNocorrosivegasorheavydust
Weight:
450g
Input/Output
M3screwterminals
Mounting:
SurfaceorDINrail
Size:
125x110x62.5mm
PowerSupply:
AC85~265V40HZ~65HZORDC24v
PowerConsumption:
<3W
IngressProtection
IP30
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