Electrical Automation AC sampling RTU STC-204 micro RTU rs485 rs232 Product Description Introduction 1.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 set 3.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~65HZ or DC 24 v OR DC12V Power Consumption: < 20W Ingress Protection: IP30
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Company Information About us: Beijing Tengcontrol Technology Limited Company Rely on the computing hardware, software and network technique, Tengcon Technology devoted to manufacture industrial automation core products and systems. More than 30 per cent staffs are in Research & Development, so we gets strong ability on product R&D. Tengcon Technology has deep and wide experience on various signal acquisition, especially on electric signal acquisition, so that, our products are very robust on anti-interference and lightning protection. Tengcon Technology advanced a Complete Distributed Network control system, in that the control system is constructed via absolutely new theory. It can be applied to construct the SCADA (Supervisory Control and Data Acquisition), PLC (Programmable Controller) and DCS (Distributed Control System). We have manufactured more than 100 thousands products in 10 years, and all are used in various industrial plants and agricultural farms. With customer’s continuous testing and our technology improving, Tengcon Technology product are widely accepted by various users for its excellent network communication, architecture, anti-interference ability and wide temperature adaptation.