Product Name: Electrical Automation AC Sampling RS485/232 RTU (STC-204) Model NO.: STC-204 Brand Name: Tengcon Mount: Standard Rail or Bolts Input Power Supply: DC 24V Three Phase Current Module: Voltage, Current, Power, Frequency etc Warranty: 3 Years Io: 4ai, 6di, 4do Accuracy: 0.5%~1% Power Source: DC Connection Type: RS-232 Trademark: TENGCON Transport Package: Cartons Packed, Inner Box, Outer Export Carton Origin: Beijing China Product Description Introduction1.Specification 3-phase Measure voltage current, active power, reactive power, power factor ,frequency and etc 4 One Form C Relay output 6 photo-coupler isolated digit input with SOE and Counter 4 analog input (0~5v or 0~20mA ) 2 isolated RS485 or RS232( 3 wire) ,1 isolated RS485 MODBUS RTU harmonic calculation 2.Parameters Analog input 4 Channel Analog Input 0~5v or 0~20mA (use jumper to select) Input resistance 0~5v 170kΩ 0~20mA 250Ω 12bit A/D 0.5% FS ± 2digit Digit Input 6 Channel Digit Input Photo-coupler Isolated Dry contacts Commons: all Negative DC 12v~48V Input Voltage : 20kΩInput resistance SOE with 1ms resolving Pulse Counter with 32BIT 1KHz Maximum Counter Frequency Digit relay Output 4 Channel Relay Output One Form C (SPDT) 250V/10A AC Contact Capacity Relay Contacts Directly connect to IO terminals AC input 3-Meter or 2-Meter 3 PT& CT or 2 PT & CT Voltage 400V or 120V Current 5A or 1A Frequency 40~65Hz Measurements: Voltage, current, active power, reactive Power of each phase, 3 Phase Power, 3 Phase reactive Power,Power Factor, Frequency and etc.. Voltage 0.5% FS ± 2 digit Current 0.5% FS ± 1 digit Active Power 1.0% FS ± 3 digit Reactive Power 2.0% FS ± 3 digit Frequency ±0.01Hz± 1 digit Communication 2 RS485 or RS232( 3 wire) MODBUS RTU Max baud rate 38400bps Address Setting:software set3.Operation Condition Operating temperature: -40°C~ 85°C Storage temperature: -40~85°C Operating humidity: <85% RH(20±5°C) atmospheric: 86~108Kpa, No corrosive gas or heavy dust Weight: 1500g Input/Output M3 screw terminals Mounting: Surface or DIN rail Size: 205×159×76 mm Power Supply: AC 85~265V 40HZ~65HZor DC 24 v OR DC12V Power Consumption: < 20W Ingress Protection: IP30 about us: Beijing Tengcontrol Technology Limited CompanyRelyonthehardware,softwareandnetworktechnique,TengconTechnologydevotedtomanufactureindustrialautomationcoreproductsandsystemswithmorethan30%ofemployeearefocusinResearch&Development.Tengconhasdeepandwideexperienceinvarioussignalacquisition,especiallyonelectricsignalacquisition,andalso,familiarswithallmainprotocollikeMODBUS,IEC8705,PROFIBUSDP,CAN,PROFINETetc.,andknowstheropesofIEC61131andtechnologyofProgrammableLogicControllerdevelopmentaswellasIEEE1588andClockSynchronizationTechnologyinEthernet,wearealsorobustonantiinterferenceandlightningprotectiontechnologytoensurethereliabilityofeveryproductdeliveredtocustomer.TengconTechnologyproposedanewadvancedconceptofCompleteDistributedNetworkControlSystem,inthatthecontrolsystemisconstructedviaabsolutelynewtheory.ItcanbeappliedtoconstructtheSCADA(SupervisoryControlandDataAcquisition),PLC(ProgrammableLogicController)andDCS(DistributedControlSystem).TypicalproductweredevelopedbasedontheseisT9serieswhichwerelaunchedinmarketalready.Morethan100thousandsofproducthavebeendeliveredtocustomersandgotwidelyandgoodcustomeracceptanceinpastyears.Alltheseproductsarebeingusedinvariousindustriesin18counties.TheyshowedstrongreliabilityindifferentsystemsandwideenvironmentincludeHighSpeedRail,oilandgasfield,powermonitorandcontrolsystem,kindofautomaticproductionline,BuildingManagementSystem,citylightingcontrolsystem,vehiclemonitoring,agriculturalfarmsetc.wearekeepingtodevelopandprovidefirstclassofproducttoallthecustomerinworldwide.