DZG Metering WS74 Product Manual

Single phase electronic electricity meter

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WS74 Product Manual
Single Phase Electronic Electricity Meter
Date
Last changes
DZG Metering GmbH, Heidelberger Str. 32, D-16515 Oranienburg
Static Electricity Meter
WH4013
WS74
05.09.2017
22.02.2019
19
Feb

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Summary of Contents for DZG Metering WS74

  • Page 1 WS74 Product Manual Static Electricity Meter WH4013 Single Phase Electronic Electricity Meter WS74 Date 05.09.2017 Last changes 22.02.2019 DZG Metering GmbH, Heidelberger Str. 32, D-16515 Oranienburg...
  • Page 2 The contents of this user manual are copyright reserved. Translations, prints and copies are only allowed authorized by DZG. All mentioned brand names and product names are ownership of DZG Metering GmbH. Contents may be completed, changed or deleted without prior announcements.
  • Page 3 Product Manual WS74 __________________________________________________________________________________ Notice: This manual describes electricity meters of the type WS74. It includes all necessary information for assembling, setting into operation and use of the meter. Used Symbols Danger through Electric Voltages The symbol indicates warnings, which may lead to personal injuries or death if it is ignored.
  • Page 4: Table Of Contents

    14.4 Historic energy data ......................34 14.5 Status word ......................... 35 Accuracy test ..........................37 Manufacturing ..........................37 Copyright  DZG Metering GmbH, Heidelberger Str. 32, D-16515 Oranienburg Copies only are allowed authorized by DZG 2/22/2019 Page 4 / 37...
  • Page 5 Figure 8 Terminal block DVS74 ......................17 Figure 9 Block diagram ........................18 Figure 10 Firmware structure ......................20 Figure 11 Firmware flow-diagram..................... 21 Copyright  DZG Metering GmbH, Heidelberger Str. 32, D-16515 Oranienburg Copies only are allowed authorized by DZG 2/22/2019 Page 5 / 37...
  • Page 6 SS or ss Seconds Time Of Use Tariff (z.B. T1 Tariff1, T2 Tariff2, ...) Association of Elektrotechnic/Elektronik/Informationtechnik e.V. yyyy Year Copyright  DZG Metering GmbH, Heidelberger Str. 32, D-16515 Oranienburg Copies only are allowed authorized by DZG 2/22/2019 Page 6 / 37...
  • Page 7: Properties

    FNN specifications. 1.2 Appropriate use The electricity meter WS74 and all versions of it are allowed to be used for measuring electrical energy only. Only the energy consumption registers displayed in the top line of the LCD are permitted for billing purposes.
  • Page 8: Table 1 Technical Properties

    [3] WELMEC-Guide 7.2, software guide 4 FNN-Hinweis „Lastenheft Basiszähler Funktionale Merkmale“, Version 1.3, 25.11.2016 FNN FORUM NETZTECHNIK/NETZBETRIEB IM VDE Copyright  DZG Metering GmbH, Heidelberger Str. 32, D-16515 Oranienburg Copies only are allowed authorized by DZG 2/22/2019 Page 8 / 37...
  • Page 9: Safety

    Damaged devices can’t be repaired by yourself. The warranty and liability will be terminated with opening the device. The same applies to damages caused by external influences. For the device no servicing is required. Copyright  DZG Metering GmbH, Heidelberger Str. 32, D-16515 Oranienburg Copies only are allowed authorized by DZG 2/22/2019...
  • Page 10: Typecode

    Product Manual WS74 __________________________________________________________________________________ 3 Typecode Table 2 Typecode Copyright  DZG Metering GmbH, Heidelberger Str. 32, D-16515 Oranienburg Copies only are allowed authorized by DZG 2/22/2019 Page 10 / 37...
  • Page 11: Assembling And Installation

    Sealable screws to fix meter covert o the meter base Sealable screws to fix the terminal cover Terminal cover Table 3 Housing components Copyright  DZG Metering GmbH, Heidelberger Str. 32, D-16515 Oranienburg Copies only are allowed authorized by DZG 2/22/2019 Page 11 / 37...
  • Page 12: Table 4 Housing Materials

    Material: Steel(SAE 1018) Terminal screws Conform to ISO-4757-1938 Table 4 Housing materials Figure 2 Housing dimensions Figure 3 Terminal block Copyright  DZG Metering GmbH, Heidelberger Str. 32, D-16515 Oranienburg Copies only are allowed authorized by DZG 2/22/2019 Page 12 / 37...
  • Page 13: Installation

    Ensure that the connected lines are fixed with the needed torque compliant to EN 60999 for a safe connection. The needed torque depends on the type of used lines and the maximum current. Copyright  DZG Metering GmbH, Heidelberger Str. 32, D-16515 Oranienburg Copies only are allowed authorized by DZG 2/22/2019...
  • Page 14: Protection Housing

    Test LED, infrared 5000 Imp/kWh symbol +A with reverse locking symbol One phase, protection class II Table 6 Nameplate elements Copyright  DZG Metering GmbH, Heidelberger Str. 32, D-16515 Oranienburg Copies only are allowed authorized by DZG 2/22/2019 Page 14 / 37...
  • Page 15: Lcd-Display

    Indicating communication, when a communication PlugIn is used. No.1 on : communication with PlugIn No.2 reserved No.3 reserved Table 7 Display elements Copyright  DZG Metering GmbH, Heidelberger Str. 32, D-16515 Oranienburg Copies only are allowed authorized by DZG 2/22/2019 Page 15 / 37...
  • Page 16: Test Led

    Register –A with ---- ---- status word The energy register is in kWh without decimal. Copyright  DZG Metering GmbH, Heidelberger Str. 32, D-16515 Oranienburg Copies only are allowed authorized by DZG 2/22/2019 Page 16 / 37...
  • Page 17: Plugin Interface

    All interfaces are constructed in a way that connected external devices can’t have any influence on the meter or proper operation of the meter. Copyright  DZG Metering GmbH, Heidelberger Str. 32, D-16515 Oranienburg Copies only are allowed authorized by DZG...
  • Page 18: Block Diagram

    It is also important that though these the high frequency signals in the voltage input circuit are filtered on the inputs, and then the measurement unit can sample the input channel without high frequency interface. Copyright  DZG Metering GmbH, Heidelberger Str. 32, D-16515 Oranienburg Copies only are allowed authorized by DZG 2/22/2019...
  • Page 19: Functionality

    MM4: one energy direction energy import (-A) without reverse locking The measurement mode can only be set by the manufacturer when the meter cover is opened. Copyright  DZG Metering GmbH, Heidelberger Str. 32, D-16515 Oranienburg Copies only are allowed authorized by DZG...
  • Page 20: Firmware Architecture

    Read data DML polling and Read data HD(Hardware Driver ) Write data Write data Figure 10 Firmware structure Copyright  DZG Metering GmbH, Heidelberger Str. 32, D-16515 Oranienburg Copies only are allowed authorized by DZG 2/22/2019 Page 20 / 37...
  • Page 21: Energy Checksum Mechanism

    The meter has implemented a self-monitoring system. If the meter recognizes no proper operation (measurement, memory check, watchdog events) so that billing relevant values may not be used anymore it displays a „ Fatal Error“. Copyright  DZG Metering GmbH, Heidelberger Str. 32, D-16515 Oranienburg Copies only are allowed authorized by DZG 2/22/2019...
  • Page 22 Reserved Watch dog reset above 99 times per day, it will generate error word Copyright  DZG Metering GmbH, Heidelberger Str. 32, D-16515 Oranienburg Copies only are allowed authorized by DZG 2/22/2019 Page 22 / 37...
  • Page 23: Additional Registration Functions

    It can only reset to locked/deactivated by LMN-command 13.1.2 Overview Copyright  DZG Metering GmbH, Heidelberger Str. 32, D-16515 Oranienburg Copies only are allowed authorized by DZG 2/22/2019...
  • Page 24: Table 8 Tariff Control Modes

    The first command activates tariff function for LMN. The tariff control for terminals is deactivated. If no further command is sent within 90s the tariff control for terminals is possible again Copyright  DZG Metering GmbH, Heidelberger Str. 32, D-16515 Oranienburg Copies only are allowed authorized by DZG 2/22/2019...
  • Page 25 Product Manual WS74 __________________________________________________________________________________ 13.1.6 Status diagram tariff control Copyright  DZG Metering GmbH, Heidelberger Str. 32, D-16515 Oranienburg Copies only are allowed authorized by DZG 2/22/2019 Page 25 / 37...
  • Page 26 Product Manual WS74 __________________________________________________________________________________ 13.1.7 Display and INFO interface Copyright  DZG Metering GmbH, Heidelberger Str. 32, D-16515 Oranienburg Copies only are allowed authorized by DZG 2/22/2019 Page 26 / 37...
  • Page 27: Registration Historical Values

    The first value is calculated when the corresponding period (w, m, y) is finished It’s calculated based on 1d values 1d(-1) to 1d(-730) The demands of the different periods are calculated with every day finished Copyright  DZG Metering GmbH, Heidelberger Str. 32, D-16515 Oranienburg Copies only are allowed authorized by DZG 2/22/2019...
  • Page 28: User Interface (Display, User Key)

    HVact / HVnact Display historical values activated / not activated 13.3.2 Display test Power off to Power on: other cases: Copyright  DZG Metering GmbH, Heidelberger Str. 32, D-16515 Oranienburg Copies only are allowed authorized by DZG 2/22/2019 Page 28 / 37...
  • Page 29 After power on and PIN code protection activated (PINact) the meter starts with: Display of historical value OFF Display of P OFF INFO interface with short data list Copyright  DZG Metering GmbH, Heidelberger Str. 32, D-16515 Oranienburg Copies only are allowed authorized by DZG 2/22/2019 Page 29 / 37...
  • Page 30 When in the second line Pin, P, E Clr, E Clr on, HIS Clr, HisClr, InF on or InF OFF, Pin on or Pin OFF is displayed the first line is empty (OBIS Code and value) Copyright  DZG Metering GmbH, Heidelberger Str. 32, D-16515 Oranienburg Copies only are allowed authorized by DZG...
  • Page 31 Product Manual WS74 __________________________________________________________________________________ Copyright  DZG Metering GmbH, Heidelberger Str. 32, D-16515 Oranienburg Copies only are allowed authorized by DZG 2/22/2019 Page 31 / 37...
  • Page 32: Registers

    U16 hex,Big Endian 0.1Hz/bit Phase angle I-L1 to U-L1 01-00:51.07.04*FF U16 hex,Big Endian 0.1 °/bit Table 9 Instantaneous data Copyright  DZG Metering GmbH, Heidelberger Str. 32, D-16515 Oranienburg Copies only are allowed authorized by DZG 2/22/2019 Page 32 / 37...
  • Page 33: Energy Registers

    Hex,Big Endian INFO push interval 01-01-60.60.17*FF Unit:second Default:1s Historic consumption 01-00:5E.31.01*08 Boolean protection activation Table 11 Basic parameter Copyright  DZG Metering GmbH, Heidelberger Str. 32, D-16515 Oranienburg Copies only are allowed authorized by DZG 2/22/2019 Page 33 / 37...
  • Page 34: Historic Energy Data

    SI, +A, -A Historic Yearly (2) 01-04:01.08. 00*2 last 2 Consumption from last reset 01-00:01.08.00*64 SI, +A, -A Copyright  DZG Metering GmbH, Heidelberger Str. 32, D-16515 Oranienburg Copies only are allowed authorized by DZG 2/22/2019 Page 34 / 37...
  • Page 35: Status Word

    The specification for the status bit energy direction sum apply. ‘1’  -A ‘0’  +A Energy direction L2 Copyright  DZG Metering GmbH, Heidelberger Str. 32, D-16515 Oranienburg Copies only are allowed authorized by DZG 2/22/2019 Page 35 / 37...
  • Page 36: Table 12 Status Word

    See Line voltage ‘L1’ connected connected Reserved Never Always … Reserved Never Always Reserved Never Always Table 12 Status word Copyright  DZG Metering GmbH, Heidelberger Str. 32, D-16515 Oranienburg Copies only are allowed authorized by DZG 2/22/2019 Page 36 / 37...
  • Page 37: Accuracy Test

    9001 and is the responsible body for the state-approved testing laboratory for electricity meters EBB1. The processes, controls and documentations are organized according to the quality standard. Copyright  DZG Metering GmbH, Heidelberger Str. 32, D-16515 Oranienburg Copies only are allowed authorized by DZG...

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