Three phase electronic electricity meter (29 pages)
Summary of Contents for DZG Metering WS74
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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...
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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.
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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.
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...
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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...
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.
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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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...
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...
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...
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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...
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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...
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...
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...
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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...
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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...
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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...
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...
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...
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...
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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