DTSU866/DTSU866 7P three-phase rail type electric energy meter (Display)

Overview

The DTS866/DSS866 DIN rail mounted three-phase electronic active energy meter is a single-phase two-wire active energy meter newly developed by our company using microelectronics technology and specialized large-scale integrated circuits, and advanced technologies such as digital sampling processing technology and SMT technology. The technical performance of this meter fully complies with the relevant technical requirements of the Level 1 single-phase active energy meter in the IEC 62053-21 international standard, and can directly and accurately measure the consumption of active energy by loads in three-phase AC power grids with a rated frequency of 50Hz or 60Hz. This meter is equipped with a 7-digit LCD display or a stepper counter to display functional power, and has the characteristics of good reliability, small size, light weight, beautiful appearance, and easy installation. Widely applicable and convenient to set up

Features

• Adopting 35mm DIN standard rail installation, in compliance with DIN EN 50022 standard, or front mounted installation, the two installation methods can be freely chosen by the user.

• Width of 7 poles, compliant with DIN 43880 standard.

• Using a 6+1-bit stepper counter to record accumulated power or a 7-bit LCD display, there are two types of displays: 5+2 bit and 6+1 bit (99999.99kWh, 999999.99kWh)

• The standard configuration includes passive power pulse output (with polarity), and passive remote power pulse output (without polarity) can be selected for easy connection with various AMR systems, in compliance with IEC 62053-31 and DIN 43864 standards.

• It has 5 LEDs, which respectively indicate the phase power status (yellow, green, red), power pulse signal (white), and reverse indicator light (yellow light). In addition, there is 1 yellow COM for RS485 communication indication (only with 485 function).

• The standard configuration includes detecting the direction of load current flow, automatically detecting the direction of load current flow, and indicated by a separate LED.

• Single directional measurement of three-phase active energy consumption, independent of the direction of load current flow, in accordance with IEC 62053-21 standard.

• Standard configuration S-type wiring (bottom in, top out), for direct access use, with options for CT access and PT&CT access.

• Optional Rs485 function

  It has RS485 communication function and can be connected to RS485 communication network for remote meter reading and centralized management. The standard configuration communication protocol complies with DL/T645-1997 or Modbus RTU standards.

Main specifications and parameters

1. Main specifications

2. External dimensions

3. Wiring diagram (interfaces 15 and 16 are only used with RS485 function)

DSS866 three-phase three wire direct wiring diagram

DTS866 three-phase four wire direct wiring diagram

DSS866 three-phase three wire current mutual inductance wiring diagram

DTS866 three-phase four wire current mutual inductance wiring diagram

Port Description:

• Passive pulse output ports: 7 (-), 8 (+) can be used as calibration pulse and energy pulse metering interfaces

• RS485 communication ports: 15 (A), 16 (B)

(LCD type) screen display instructions:

• Power on display shows X-X-X as software version number

• Screen self-test shows 88888.8.8

• Display table constant CXXXX

• Display table address high bit HXXXXXXX

• Display the low order XXXXXX of the table address (the system defaults to the table number)

• Battery level display: XXXXX.XX

• Note: Only RS485 models have table address display items.

Indicator Light Instructions

• COM. indicates yellow for RS485 communication (RS485 type)

• L1, L2, and L3 are phase indicators

• REV. for reverse indication

• Pulse indication for energy metering

Installation and Usage

• Before use, the lead seal of the electric energy meter should be checked for integrity. For electric energy meters that are not sealed or have been stored for too long, they must be re inspected by a metrological authorization agency before installation to ensure measurement accuracy.

• The electric energy meter should be installed indoors in a dry and ventilated place, avoiding direct exposure of strong light to the meter window. The bottom plate of the electric energy meter should be placed on an insulated object that is not easily affected by moisture, and it is recommended to install it at a height of 1.8 meters or more.

• The electric energy meter should be wired according to the shell wiring diagram, and attention should be paid to the current size and the matching of the wires. The joint terminals should be suspended tightly to avoid damage to the instrument when the current is too high.

• The voltage connected to the energy meter should comply with the reference specified value of the energy meter, and the current passing through should not exceed the maximum current limit shown on the energy meter. Exceeding this range will result in inaccurate measurement, and in severe cases, it may cause instrument damage and safety accidents.

• When connecting an electric energy meter with specifications of 10 (40) A or above, copper core leads and copper connectors should be used for connection.

Transportation and Storage

• The transportation and unpacking of electric energy meters should not be subjected to severe impacts. Measures for transporting precision instruments should be taken, and transportation and storage should be carried out in accordance with the provisions of GB/T15464-1995 "General Technical Conditions for Instrument Packaging".

• The electric energy meter should be stored in its original packaging box, in a clean location with an ambient temperature of -25 ℃ to+70 ℃, a relative humidity not exceeding 85%, and the air should not contain harmful substances that can cause corrosion.

• This product is a precision electronic instrument. If there are obvious signs of damage to the outer shell due to severe impact or falling from a high altitude during product handling, use, or installation, please do not power on the electric meter and contact our company as soon as possible for handling.

• If the electric energy meter is not installed or used for a long time, it should be packaged properly and stored in its original box for no more than three years.