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DTSD1352-4S Multi-channel Energy Meter for Telecom Base Station
DTSD1352-4S series rail type multi-loop power meters are mainly used for measuring the full electric parameters of multiple three-phase circuits, Up to X three-phase loop and Y one-phase loop, current inputs can be connected simultaneously.
Monitor the electrical parameters of AC and DC distribution system of Telcom base station in real time.provide online monitoring and energy
consumption analysis of operation status, improve the efficiency of basestation operation and maintenance control, and reduce the operation cost.
Parameter
| Auxiliary Power Supply | AC/DC 85~265V; Power Consumption≤10VA | |||
| Input Single | Frequency | 45~65Hz | ||
| Voltage | Rated value: AC 3×220V/380V | |||
| Overload:1.2 times rated value(continuous) | ||||
| 2 times rated value/1 second | ||||
| Power consumption:≤ 0.5VA(per channel) | ||||
| Input signal | Current | Rated value:AC 250A,100A;(external closed port transformer) | ||
| Overload:1.2 times rated value(continuous) | ||||
| 10times rated value/1 second | ||||
| Power consumption ≤ 0.5VA(per channel) | ||||
| Measurement accuracy | Frequency 0.05Hz,voltage and current class 0.5, active energy class 1,.reactive energy class 2 |
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| 2-31st harmonic accuracy:±1% | ||||
| Function | Pulse output | Output mode: optocoupler pulse with the open collector(one out of two with active input) | ||
| Function | Communication | RS485 interface, Modbus-RTU protocol/QZTT 1017-2015 | ||
| technical specification for China Tower smart meter | ||||
| Baud rate 1200~38400 | ||||
| Switch-value | Input | 4-channels passive dry contact input, built-in power supply | ||
| 2-channels active wet node input, identify engine oil and power connection(or pulse output) | ||||
| output | Output mode: relay normally open contact output | |||
| Contact rating: AC 250V/3A DC 30V/3A | ||||
| Security | Power frequency withstand voltage | >AC 2kV/1min | ||
| Insulation resistance | Input and output end to housing | |||
| Environment | Working temperature:-20ºC~+60 C | |||
| Storage temperature:-40ºC~+70ºC | ||||
| Relative humidity≤95% no condensation | ||||
| Altitude≤2500m | ||||
| Electromagnetic compatibility | Better than level 3 | |||
| Function | Description |
| Measurement of energy | All electrical parameters of x-channel three-phase andy-channel single-phase circuits are measured |
| Electrical parameters | U,1,F,P,Q,S,PF |
| Harmonic | 2-31st voltage and current harmonic |
| Extreme value record | U, I, P |
| Alarm output | Overvoltage, Over current, Phase break, DI linkage |
| Rate setting | 4 rate time zone 14 |
| Pulse output | Output mode: optocoupler pulse with open-collector(one out of two with active input) |
| communication | RS485 interface, Modbus-RTU, Baud rate 1200~38400 |
| DI | 4-channels passive dry contact input, built-in power supply2-channels active wet node input, identify engine oil and power connection(or pulse output) |
| DO | Output mode: relay normally open contact output Contact rating: AC 250V/3A DC 30V/3A; |
3 Phase 3 Wire 3 Phase 4 Wire
Architecture
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