Multi-circuit energy meter with RS-485, Modbus RTU
WB-MAP12E
For industrial metering of four three-phase loads
WB-MAP12E
$234.48
Retail price
from $234.48 to $1 443.97
depending on options
In stock 216 pcs. ,
  • 216 pieces are already at the warehouse
  • 1501 more in 2-3 months

Universal meter for electrical network parameters with 4 three-phase or 12 single-phase measuring channels and RS-485 interface. Used with detachable current transformers.

It is used for measuring all types of electrical parameters in three-phase and single-phase AC networks, for organizing a technical electricity metering system in apartment buildings and office buildings, data centers and smart offices.

Main characteristics

Advantages
  • It is a measuring instrument, suitable for technical accounting.
  • Low cost of the measuring channel.
  • Stores accumulated readings when power is turned off.
  • The use of external detachable current transformers allows installation of the system without disconnecting consumers.
  • A large number of measured parameters.
  • Customizable phase mapping simplifies installation and commissioning.
  • Service life 16 years.
  • Fast and easy integration into automation and monitoring systems.

Supports Fast Modbus ⚡, which allows you to instantly deliver the effective voltage value to the Wiren Board controller.

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Hardware

Measured parameters:

  • RMS values of current and voltage (Urms).
  • Power (active, reactive, apparent, apparent) and power factor.
  • Direct and reverse energy (active, reactive, apparent, inactive).
  • Total values of power and energy when connecting three-phase loads.
  • Amplitude of voltage and current surges. The width of the measured peaks is from 300 μs, determined by filters at the inputs, the peak values are updated periodically, the period is adjustable (minute by default).
  • Phase shift angles, frequency.

Specifications:

  • To accuracy class 0.5S for active power and energy and 1 for reactive power and energy.
  • Supply voltage: 9…28 V direct current and 230 V AC.
  • Interface: RS-485, Modbus RTU.
  • Extended operating temperature range: -40…+80 °C.
  • DIN rail housing, 6 modules.
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Installation without interfering with the power supply system

The meter can be connected to the existing power supply system without interfering with the electrical wiring and the need to disconnect power wires from circuit breakers. For this purpose, current transformers with a split core are used together with the meter. Everything you need to do during installation — connect the phase lines to the meter terminals and put current transformers on the power wires.

The meter is installed on a DIN rail in a distribution board or inside an electrical equipment housing.

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Power grid monitoring

WB-MAP12E is used in systems power grid monitoring and at industrial enterprises, office buildings, data centers. Measures all the main parameters of the electrical network, replacing several measuring instruments: voltmeter, ammeter, wattmeter, frequency meter.

The measured parameters can be used to monitor power consumption and quality. As well as identifying emergency situations:

  • lack of phases,
  • phase voltage unevenness,
  • phase angle imbalance,
  • voltage fluctuations.

To transmit actual voltage values (Urms), WB-MAP12E uses Fast Modbus ⚡.This allows you to instantly detect phase voltage deviations from the norm and take timely measures to protect electrical equipment.

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Workload priority management

Measured parameters convenient to use in tasks of managing load priorities to control consumption on each line. WB-MAP12E can continuously measure current on 4 three-phase or 12 single-phase channels and transmit readings to the controller. If the permissible current consumption is exceeded, the low priority load is switched off. To disconnect loads you can use Wiren Board relay modules.

If you do not need to measure voltage and energy, then to measure current the meter does not have to be connected to power lines, It is enough to put a current transformer with a split core on the measured line. This makes installation and integration into the automation system easier.

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Fast Modbus support

All Wiren Board devices, in addition to the standard Modbus RTU, can work with its extension Fast Modbus ⚡, which adds new features:

  • instant polling of input states and measured values via events;
  • quick search for devices connected to the controller;
  • resolving address collisions on the bus.

Additional features are enabled automatically - if the device supports extension, the controller driver will work with the device quickly Modbus if the device does not know anything about the extension - it will work using standard Modbus RTU.

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Quality control at every stage production

We develop and manufacture all Wiren Board devices ourselves. All devices undergo multi-stage quality control:

  • During development — checking the components used for compliance with the declared characteristics and testing the prototype device at extreme operating conditions.
  • After installing SMD components — automated optical inspection.
  • After soldering the lead components — visual inspection of soldering.
  • After assembling the device — functional testing on an automated stand.
  • When shipped to the warehouse — control of completeness, stickers, appearance.

Thanks to this approach, the failure rate is no more than 0.5% of all released devices. Read more in the article About device reliability.

If the device fails within two years from the date of purchase, we will replace it for free without the need to send it to a service center.

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Setup

When used with a Wiren Board controller, you can use the mouse in the web interface:

  • enter calibration parameters of current transformers,
  • configure phase mapping,
  • configure the period for resetting peak values,
  • enable or disable parameter polling,
  • set the data exchange speed.

When used with other equipment, the module can be configured via the RS-485 bus by writing values to Modbus registers. The register table is open, well documented and available online in the device documentation.

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Reading the readings

The meter does not have its own screen, so the measured parameters are read via the RS-485, Modbus RTU interface.

If a Wiren Board controller is used, the measured values are available in the controller's web interface and can be transferred to the higher-level system. The device card displays only the channels enabled in the survey settings.

All data can be read by any equipment or software that supports the RS-485, Modbus RTU protocol: third-party controllers, HMI panels or SCADA.

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Legal purchase terms

General provisions

1. These terms of sale is developed on the basis of the RF Civil code, RF Law on February 7, 1992 № 2300-1 "On consumer protection", decrees of the Government of the Russian Federation of September 27, 2007 № 612 "On approval of rules of sale of goods remote way" and other normative-legal acts. These rules regulate the procedure for retail purchase and sale of Goods through the online store, being a public offer addressed to individuals and legal entities ("Buyers").

2. the Buyer accepts the terms and conditions set out in these terms and conditions by placing an Order on the online store's website.
An order is considered to have been executed properly if the Buyer provides the Seller with the following information: the buyer's last Name, first Name, phone number, address to deliver the Product, Product name, quantity.

2.1. the Buyer grants the Seller the right to use all personal data transmitted in the Order in order to fulfill its obligations to the Buyer, form and develop a loyalty program for Buyers, and inform Buyers about the news of the online store. The right of use in these terms is understood as the Seller's right to: collect, record, systematize, accumulate, store, clarify (update, change), extract, use, depersonalize, block, delete, destroy data with the right to transfer such data to third parties without further notice to the Buyer.

3. when selling goods remotely, the Seller offers the Buyer services for the delivery of Goods by delivery Services. In this case, the specific delivery Service for each Order is determined by the Buyer when placing the order.
Delivery is available on weekdays from 9: 00 to 18: 00. Delivery times depend on the selected region and range from 1 to 14 business days (not counting the day of the order). The delivery period may be extended in cases stipulated by the delivery Service's operating rules. Delivery is carried out without demonstration. If you do not agree with the delivery terms, You have the right to cancel your order at any time before receiving it.
For more information about regional delivery rates, please visit the website of courier services: SDEK, KSE, EMS.
If the Buyer refuses the Product, the Buyer is charged the cost of delivery in accordance with the tariff in accordance with paragraph 21 of the Decree of the Government of the Russian Federation of 27.09.2007 No. 612 "on approval of the rules for the sale of goods by remote means".
When receiving the Product from the delivery Service, the Buyer must check the appearance of the product packaging (for the absence of deformation, opening). When receiving the Goods, the Buyer puts his signature in the delivery receipt in the box: "I confirm that the shipment was received in closed form, there are no external damages to the packaging, bandages, seals, and the weight of the shipment corresponds to the weight determined when it was received."
If any defects are found on The product packaging, the Buyer must make a note of this in the delivery box on the courier's receipt. After receiving the Order and putting the signature of the Buyer in the receipt in the delivery column without specifying claims to the appearance of the product packaging, claims to external packaging defects (its opening and possible incompleteness of the Product) are not accepted.

4. Payment for ordered Products is made:
By Bank transfer on the invoice issued for the Buyer.A plastic card based on the link generated for the Buyer.

5. Order processing is made in the working days from 10:00 to 18:00 Moscow time. If you place your order after 18:00 Moscow time, our managers will contact you on the next business day after 10:00 am.

6. the Product is of good quality, you can return it within fourteen days from the date of receipt of the Order, provided that the product has not been used.
To do this, you need to write an email with a request for a refund/exchange to info@contactless.ru.
Please note that if the Buyer refuses the Product, the Seller returns the amount paid by the Buyer for the Product, with the exception of the Seller's expenses for delivery of the returned Product from the Buyer, no later than 10 days from the date of submission of the corresponding claim.

7. the Warranty period for the Product is set at 24 months from the date of shipment.

8. the Risk of accidental loss or accidental damage to the Product passes to the Buyer at the time of transfer of the Product and the Buyer's signature in the documents confirming the delivery of the Order. Ownership of the Product passes to the Buyer at the time of transfer of the Product, subject to full payment.

9. the legislation of the Russian Federation applies to the relations between the Buyer and the Seller.

10. the Seller reserves the right to make changes to these terms of sale, and therefore the Buyer undertakes to regularly monitor changes in the Rules posted on the website of the online store. The Seller must post a notice of changes to these terms of sale no later than 7 (seven) calendar days before their effective date.

11. the Buyer guarantees that all the terms of these terms of sale are clear to him, and he accepts them unconditionally and in full.

12. the Invalidity of any provision of these Rules does not entail the invalidity of the remaining provisions.

13. all disputes arising between the Parties will be resolved through negotiations. if an agreement is not reached, the dispute will be referred to the arbitration court of Moscow in accordance with the current legislation of the Russian Federation.