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HWg-PWR 3 / 12 / 25 MANUAL 

HW group 

 

 

 

September 2013 

 

 

page 34 

 
 

System tab 

The 

System

 tab is used to access the most important system information, such as uptime or 

firmware version, and to perform operations such as HWg-PWR restart or firmware update. 

 

Download section 

 

Backup configuration

 – Click to save the current HWg-PWR configuration. Saved 

configuration can be later restored. (

http://hwg-pwr.hwg.cz/HWg-PWR_Config.bin

 

Online values in XML

 – Address of a XML file with current readouts. Intended for 

automated processing at remote servers. (

http://hwg-pwr.hwg.cz/values.xml

 

SNMP MIB Table – Address of the MIB file that contains the definitions of SNMP 
variables. (

http://hwg-pwr.hwg.cz/HWg-PWR.mib

 

TXT list of common SNMP OIDs – Overview of the most important OIDs from the MIB 
table. (

http://hwg-pwr.hwg.cz/HWg-PWR_OID.txt

 

Data Log CSV Format

 – Address of a CSV file with a logged history of readouts. 

Intended for automated processing at remote servers. (

http://hwg-

pwr.hwg.cz/log.csv

Factory Default section 

Restores factory default settings. The default IP address is 192.168.1.99 and no user name or 
password is defined.  

Содержание HWg-PWR 12

Страница 1: ...HWg PWR 3 12 25 MANUAL...

Страница 2: ...The power supply outlet or disconnection point must be freely accessible The device must not be used under any of the following conditions The device is noticeably damaged The device does not function...

Страница 3: ...he cables 9 2 Configuring the IP address UDP Config 9 3 WWW interface of the device 10 Adding connected meters and measured values 11 Automatic discovery of meters 12 Activating and adding discovered...

Страница 4: ...n or liquid flow rate and so on Note HWg PWR is designed to be universal hence all discovered values are read out from every connected meter until a specified limit is reached To improve user comfort...

Страница 5: ...us address Periodic submission of measured values over HTTP HWg PUSH Periodic submission of measured values by e mail Periodic e mailing of differences in measured values day week month year Periodic...

Страница 6: ...Alarm red lights up whenever a monitored variable is in alarm M Bus blue flashes whenever M Bus communication takes place Status green HWg PWR status o Solid on HWg PWR is in regular operation o Slowl...

Страница 7: ...e 7 Default switch Restoring factory defaults Press and hold the Reset Default switch connect power and hold the switch pressed for 10 more seconds The HWg PWR resets itself to factory defaults Be car...

Страница 8: ...p when the device is powered LINK red flashes whenever communication takes place over the Ethernet interface Status red HWg PWR status Solid on HWg PWR is in regular operation Slowly flashing HWg PWR...

Страница 9: ...ation After power up the amber LINK LED flashes rapidly to indicate IP address negotiation over DHCP The blue M Bus LED indicates communication over the M Bus 2 Configuring the IP address UDP Config U...

Страница 10: ...be restored using UDP Config Disconnect power press the Default switch power up the device and wait for 10 seconds Release the switch The device is ready in the factory default configuration 3 WWW int...

Страница 11: ...o the Device menu The list of detected meters is empty Individual meters are always added to HWg PWR manually A tool for automatic discovery of meter addresses only finds meter addresses does not add...

Страница 12: ...l Parity Communication parity The default is Even but this can differ for various meters see the meter documentation 2 Click Scan 3 The M Bus Device Scan Status section displays the discovery progress...

Страница 13: ...ar its polarity and the baudrate and parity configuration or try to look up these values in the documentation of your meter Repeat the search until you find all meters When only some of the meters are...

Страница 14: ...s we recommend to use the primary address 6 Meters of the same type and by the same manufacturer are often supplied with the same Primary address which therefore cannot be used for addressing The PRI...

Страница 15: ...page 15 11 Click Save to save your changes Important In order to find meter variables the meter must be enabled and saved It is not possible to scan values without saving the meter configuration first...

Страница 16: ...rface Home tab The Home tab displays current readouts of all enabled values of a meter together with status symbols The value is within its allowed range Saferange The value is out of its allowed rang...

Страница 17: ...lets you plot a graph of the measured values When this function is selected all stored data from the device are read into the web browser This operation can take some time Click and drag inside the gr...

Страница 18: ...eriod is shorter than the Meter M Bus Read period the most recently retrieved data are stored multiple times Number Of Values Number of currently logged values The more values the shorter log capacity...

Страница 19: ...tion DHCP Enables IP address assignment by a DHCP server if available Ask your network administrator if unsure about the correct setting IP Address IP address of HWg PWR Assigned by your network admin...

Страница 20: ...NMP Access section Community Name of the SNMP community for accessing HWg PWR over SNMP Two communities can be defined Each Community can have the following permissions defined o Read o Write SNMP Tra...

Страница 21: ...3 page 21 Show OID keys table This function prints the entire tree of variables with their full SNMP OID and type explanation The MIB file for connecting the HWg PWR to third party monitoring systems...

Страница 22: ...data to SCADA systems using the ModBus TCP protocol ModbusTCP Enable Enables the ModBus TCP protocol ModbusTCP Port Port for the Modbus TCP protocol default is 502 Show Modbus Register Map This funct...

Страница 23: ...ority This is important for filtering and further processing of alarm messages FROM E mail address of the sender that is the HWg PWR unit The address may be necessary for the SMTP server and can be us...

Страница 24: ...measured values The log only contains values which have logging enabled o Datalog file type Select datalogs type CSV or BIN Binary see chapter Datalog format Periodic Diferencial Mail Periodically e...

Страница 25: ...o set correct system time Necessary for correct logging of measured values Summertime Enables daylight savings time Used to set correct system time Necessary for correct logging of measured values Int...

Страница 26: ...s Remote gateway IP address Port TCP port that the gateway listens to Target number SMS phone number Username Username for the remote gateway can be skipped Password Password for the remote gateway ca...

Страница 27: ...messages o Log 0 Open Name of the logic low contact open idle state o Log 1 Close Name of the logic high contact closed state Alarm Alert Defines the alarm state o Disabled Alarm function is disabled...

Страница 28: ...Period Period in which the data is pushed to the remote server This is received from the portal Server address Complete URL of the remote server IP Port Port that the portal listens to Username Usern...

Страница 29: ...o subsequently find and configure the values provided by individual meters Device List section The Device List section lists all connected meters together with their type Medium and M Bus address Addr...

Страница 30: ...ddress as a convenience for battery powered meters Secondary Address Secondary address on the M Bus This address is used to identify a meter if there are more meters with the same primary address Addr...

Страница 31: ...about discovered values from a particular meter their names Name units of measurement Unit current readings Value and whether logging is enabled Each value is assigned a unique ID within HWG PWR for...

Страница 32: ...asurement Identifies the unit of the value being measured Together with its exponent it can be used to convert the value to a custom format and unit W kW kWh MWh dm3 l and so on Exponent Allows you to...

Страница 33: ...is can be used to monitor if a value line current flow rate etc exceeds the allowed range and alert to excessive or suspiciously low energy consumption in order to avoid more serious problems SafeRang...

Страница 34: ...L file with current readouts Intended for automated processing at remote servers http hwg pwr hwg cz values xml SNMP MIB Table Address of the MIB file that contains the definitions of SNMP variables h...

Страница 35: ...ter in the user manual 2 Then open the WWW setup on the Portal tab In the Portal Config section please tick the Portal option save the changes with a Save button and then press the Manual Push button...

Страница 36: ...you will be redirrected to a login page of SensDesk com portal 4 In case you already have a user account please enter your login details and the device will be automatically assigned to your account I...

Страница 37: ...is left empty After clicking the Create new account button a user account will be created and at the same time a confirmation email is sent to the entered e mail address This e mail contains a confirm...

Страница 38: ...ord cannot be changed and for a security reason it is different to the login password 8 PUSH Device Password can be used in devices to skip the logging procedure during assigning the device to your po...

Страница 39: ...t reading period in HWg PWR 30s it is easy to exceed these limits Then the meter stops responding in order to maintain its declared battery life Exceeding these limits cannot be considered a defect of...

Страница 40: ...n following screen shot there is the same information about the the same sensor you can see in values xml file But there is a few little differencies betwen these devices Some of them store data in li...

Страница 41: ...t time_t __int32 value Value value 10 EXP where EXP is exponent HWG_PWR_LOG_ENTRY pragma pack pop int main int argc char argv FILE InFile HWG_PWR_LOG_ENTRY Entry time_t t InFile fopen datalog bin rb i...

Страница 42: ...HWg PWR 3 12 25 MANUAL HW group September 2013 page 42 Mechanical...

Страница 43: ...HWg PWR 3 12 25 MANUAL HW group September 2013 page 43...

Страница 44: ...ents co uk page 44 Accessories DHZ 5 63 M BUS Single phase 63A electricity meter with M Bus ED 310 DB HWG Three phase two tariff 63A electricity meter with M Bus and S0 M Count 2C Converter and datalo...

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