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Summary of Contents for Gossen MetraWatt LonWorks ENERGYMID U228 W1 Series
- Page 1 Interface Description ENERGYMID LON Interface for Energy Meters U228X-W1, U238X-W1 3-349-908-03 4/10.20...
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Page 2: Table Of Contents
Cutoff Date Function ........................15 Manufacturer-Specific Configuration Types (UCPTs) ..............15 Control and Display Functions ....................16 Menu continued by meters with LON Interface ................16 Error Messages .......................... 17 Report Mask for All Objects ......................18 Product Support ........................... 19 Gossen Metrawatt GmbH... -
Page 3: General Information Regarding The Lon Bus
Only one bus terminator is required with free topologies, but transmission distances are limited in this case. The energy meters are not equipped with internal bus terminating resistors (see section 3.6 on page 3). Gossen Metrawatt GmbH... -
Page 4: Recommendation
Recommendation The following recommendation is based upon experience gained by Gossen Metrawatt GmbH during installation and start-up of LON systems. The environment within which the cable is laid has a decisive influence on correct cable selection, and must therefore be taken into consideration during the planning stage. -
Page 5: Bus Termination
Measured quantities and energy meter status information available within the network are defined as standard network variable types (SNVT). The software tools can be furnished with all information necessary for integration by accessing the website of Gossen Metrawatt GmbH at www.gossenmetrawatt.com. Node – nodeObject ObjectId: 0 Index... - Page 6 Send condition: maximum time until transmission of network variables cpAmpSndDelta UCPTampSendDelta Send condition: delta current 55…59 Objekt cpCTConnType UCPTconnType Current transformer connection type, read only Objekt cpCTPrimary UCPTctCurrentPrim Nominal primary current transformer current Objekt cpCTSecondary UCPTctCurrentSec Nominal secondary current transformer current Gossen Metrawatt GmbH...
- Page 7 Configuration Data Type Description rence Structure Object cpPwrMaxSndT SCPTmaxSendTime Send condition: maximum time until transmission of network variables cpPwrSndDelta UCPTpwrSendDelta Send condition: delta power (active and reactive power) 63…70 cpPwrFacSndDelta UCPTpwrFactSendDelta Send condition: delta power factor 71…74 Gossen Metrawatt GmbH...
- Page 8 SNVT_time_hour Operating hours (exceeded with the meter’s start-up threshold) Refe- Configuration Data Type Description rence Structure Object cpEnergyMaxSndT SCPTmaxSendTime Send condition: maximum time until transmission of network variables Object cpEngyAccumMode UCPTenergyAccumMode Energy meter operating mode, read only Gossen Metrawatt GmbH...
- Page 9 4.8.8 nvokWhPosPri UNVT_energy_U160x Primary active energy import, all tariffs 1.8.0 nvokWhNegPri UNVT_energy_U160x Primary active energy supply, all tariffs 2.8.0 nvokVArhPosPri UNVT_energy_U160x Primary reactive energy import, all tariffs 3.8.0 nvokVArhNegPri UNVT_energy_U160x Primary reactive energy supply, all tariffs 4.8.0 Gossen Metrawatt GmbH...
- Page 10 // voltage too high unsigned CurrentDir : 1; // incorrect current direction unsigned RotationDir : 1; // incorrect phase rotation direction unsigned LoVoltage : 1; // phase failure unsigned HiCurrent : 1; // current too high } error_struct Error; Gossen Metrawatt GmbH...
- Page 11 ... is set to 0 (placeholder or wildcard method) All of the cutoff date function’s NVs are saved to non-volatile memory so that mains power interruptions do not result in data loss. Gossen Metrawatt GmbH...
- Page 12 DemandStatus2 Flags [hex]: 0001 – shortened logging period (not started/ended synchronous to clock time) 0002 – started after a reset 0004 – end of the period due tariff change 0008 – end of the period due clock time change Gossen Metrawatt GmbH...
- Page 13 0B/8B – energy error: defective energy status 0C/8C – internal communication error (note: error occurred / error gone) 40 – date/time changed 48 – CT changed 49 – VT changed 60 – reset occurred 68 – energy value reconstructed from cyclical backups Gossen Metrawatt GmbH...
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Page 14: Units Of Measure And Resolution
10 Wh 10,001 ... 100,000 xxxxx.xx MWh 10 kWh 100 Wh 100,001 ... 1,000,000 xxxxxx.x MWh 100 kWh 1 kWh Invalid energy values (reactive energy for meters without reactive energy metering) are indicated with the value 80000000h. Gossen Metrawatt GmbH... -
Page 15: Cutoff Date Function
U2389 CT_4WIRE_DIRECT = 41 U2289 }conn_type; typedef enum acc_mode_t { ACC_NUL = –1 ACC_BIDIR_SIGNED difference between energy import and energy export ACC_BIDIR_ABS energy import and energy export ACC_UNIDIR_IN energy import only: U1281...U1389 ACC_UNIDIR_OUT energy export only }acc_mode; Gossen Metrawatt GmbH... -
Page 16: Control And Display Functions
The BUS symbol appears when the LON node in the meter transmits a data packet. The more data packets are transmitted, the longer the symbol is displayed. Wink Command for Identifying the LON Node When a wink command is received, the neuron ID is displayed briefly. Gossen Metrawatt GmbH... -
Page 17: Error Messages
Phase symbols blink in following order: ~3 ~2 ~1 Synchronization to line frequency is not unable_to_measure Δ SYnc possible. energyMeter Object Id: 5 EEPROM for meter reading is defective, send Electrical fault Δ EnErgY device to service center. Gossen Metrawatt GmbH... -
Page 18: Report Mask For All Objects
Report Mask for All Objects Error Message Node Object amMeter powerMeter voltMeter energyMeter Object_Id invalid_id invalid_request disabled out_of_limits open_circuit out_of_service mechanical_fault feedback_failure over_range under_range electrical_fault unable_to_measure comm_failure fail_self_test self_test_in_progress locked_out manual_control in_alarm in_override report_mask Gossen Metrawatt GmbH... -
Page 19: Product Support
Product Support When you need support, please contact: Gossen Metrawatt GmbH Product Support Hotline – Industrial Division Phone: +49 911 8602-500 Fax: +49 911 8602-340 e-mail: support.industrie@gossenmetrawatt.com Gossen Metrawatt GmbH... - Page 20 © Gossen Metrawatt GmbH Edited in Germany • Subject to change without notice / Errors excepted • A pdf version is available on the Internet All trademarks, registered trademarks, logos, product names, and company names are the property of their respective owners.
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