Electrical Automation AC sampling RTU STC-201 remote terminal unit rtu

Electrical Automation AC sampling RTU STC-201 remote terminal unit rtu   Introduction   1.Specification    3-phase Measure voltage current, active power, reactive power, power factor ,frequency and etc    3 One Form C Relay output    6 photo-coupler isolated digit input with SOE and Counter    2 analog input (0~5v or 0~20mA )    1 isolated RS485 or RS232( 3 wire) ,1 isolated RS485    MODBUS RTU    harmonic calculation     2.Parameters    Analog input    2 Channel Analog Input    0~5v or 0~20mA (use jumper to select)    Input resistance 0~5v 170kΩ 0~20mA 250Ω    12bit A/D    0.2% 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    3 Channel Relay Output    One Form C (SPDT)    250V/3A   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    1 RS485 or RS232( 3 wire) ,1 RS485     MODBUS RTU     Max baud rate 38400bps     Address Setting: DIP SW 1~31   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:   450g    Input/Output M3 screw terminals    Mounting: Surface or DIN rail    Size:    125×110×62 mm    Power Supply:   AC 85~265V 40HZ~65HZ or DC 24 v OR DC12V    Power Consumption:   < 3W    Ingress Protection:     IP30   Higher EMC index   Application & Certification          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.      Key words: remote terminal unit rtu , power meter , scada rtu