Landis & Gyr Cashpower Gemini HMI User Manual Download Page 29

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Information Functions Released

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Cashpower Gemini HMI

– User Guide

Information Functions

Pressing the information key toggles the meter into

information

mode (the information icon on the LCD

turns on and all digits display

). The contents of various registers can now be viewed by

entering the appropriate, 3-digit register code.

Once in

information

mode, toggling between different registers may be done on an on-going basis by

entering the appropriate 3-digit code i.e. the information key does not have to be pressed again.



Information

mode may be exited by pressing the information key or, in the absence

of any other key presses, automatically after a period of 1 minute.

Information Register Functions

Info Register Number

Function

000

Meter number

001

Instantaneous power

002

Current credit register (0.1kWh resolution)

003

Total units counter (0.1kWh resolution)

004

DAE accumulated credit register (0.001kWh resolution)

006

Current 24 hr. consumption

007

Previous 24 hr consumption

008

Current 30 day consumption

009

Previous 30 day consumption

011

DAE value (0.01kWh resolution)

012

Low credit level

013

High credit level (

not applicable in Energy Limiting Mode

)

014

Power limit level

024

Extended meter number

025

Scrolling meter number

030

Meter (fixed) state register 1

031

Meter (fixed) state register 0

035

Meter (changeable) option register 0

037

Meter (display) state register 0

048

Software version number

050

Power-fail counter

054

Last token ID in date format

055

Last credit token ID

056

Value of last credit token entered

057

Key revision and key type

058

Tariff index

059

Current credit register (0.001kWh resolution)

060

SGC register

061

Total units counter (0.001kWh resolution)

062

Current credit register (0.000001kWh resolution)

063

DAE accumulated credit register (0.000001kWh resolution)

064

DAE 15-sec portion register (0.000001kWh resolution)

065

Low credit level (0.000001kWh resolution)

–

Energy Limiting Mode only

066

Latch inhibit timer (1-minute resolution)

Summary of Contents for Cashpower Gemini HMI

Page 1: ...sion 11 Fir mwar e Cashpower Prepayment Metering Cashpower Gemini HMI User Guide Document version 0 0 Date 14th December 2011 Issued by Product Management Dave Tarr 2011 Landis Gyr Pty Ltd Electricity Prepayment Meters Residential ...

Page 2: ...2 35 Released Introduction Landis Gyr Pty Ltd Cashpower Gemini HMI User Guide Revision history Version Date Originator Comments 0 0 14 12 2011 Dave Tarr First Release ...

Page 3: ...___________16 7 2 2 2 Token Accepted as a Valid Key Change Number _______________________________16 7 2 2 3 Token Overflow Rejection _________________________________________________17 7 2 2 4 Incorrect Token__________________________________________________________17 7 2 2 5 Duplicate Token _________________________________________________________17 7 2 2 6 Expired Token__________________________...

Page 4: ..._________________ 29 13 1 Meter Number Register 000 ____________________________________________________ 30 13 2 Instantaneous Power Register 001 ______________________________________________ 30 13 3 Current Credit Register 0 1kWh Resolution Register 002 ____________________________ 30 13 4 Total Units Counter 0 1kWh Resolution Register 003 _______________________________ 30 13 5 DAE Accumulated ...

Page 5: ...olution Register 061 _____________________________34 13 30 Current Credit Register 0 000001kWh Resolution Register 062 _______________________34 13 31 DAE Accumulated Credit Register 0 000001kWh Resolution Register 063 ______________34 13 32 DAE 15 Second Portion Register 0 000001kWh Resolution Register 064 _______________34 13 33 Low Credit Level 0 000001kWh Resolution Register 065 ______________...

Page 6: ...ne prepayment meter typically installed inside the household or can be used as a split prepayment meter by simply connecting the customer interface unit which will then be the customer s only interface with the meter When used as a split metering solution the meter is usually installed in a secure locked enclosure typically a pavement kiosk or pole mounted equivalent The customer interface unit is...

Page 7: ...isplay Large custom LCD with language independent icons Keypad The meter has a 12 key non tactile keypad with audible feedback The keypad is used for entry of tokens and accessing various management functions and meter parameters via the information mode The keypad also has a backspace key Rate of consumption indicator rate LED 1000 pulses kWh Backspace Key In case of consumer key press error Opti...

Page 8: ...nd may not be used for verifying the associated meter s metrological accuracy A yellow alarm LED indicator duplicates the alarm indication function on the LCD Its main function is to give a visible indication of low credit levels The customer interface unit is effectively a remote display and keypad for the meter Communications between the two units takes place in real time e g keypad entries at t...

Page 9: ...Customer Interface Unit CIU Released 9 35 Cashpower Gemini HMI User Guide Landis Gyr Pty Ltd Figure 5 Customer Interface Unit Rear View ...

Page 10: ...tor 6 Information mode 7 Currency function 8 Power kWh function 9 Not used 10 Eight X 7 segment digits Normal Operation Zero Credit Display shows remaining credit kWh Load switch closed and consumption rate indicator flashes at a rate proportional to the power being used Credit running low and more needs to be purchased to avoid disconnection of supply Supply disconnected Low Credit Warning Power ...

Page 11: ...edge icons will be off When the remaining credit level reaches zero the numeric display indicates 0 0kWh If for any reason the credit level is decremented below zero i e negative the display indicates 0 kWh This is the case if the meter has been personalised not to display negative credit Although there is no negative value displayed it gives a quick visual indication that a negative value is pres...

Page 12: ...nformation mode The power kWh icon will also flash at a rate of 1flash per second if no energy is being consumed i e if the meter is in creep lock 4 7 Happy and Sad Faces These two icons are used in combination to give a quick visual indication of good and bad status For example if the meter were operating normally the happy face would be on However if it were to be tampered the sad face would com...

Page 13: ...ectricity being consumed The meter constant for Gemini HMI meter is set to 1000 impulses kWh The rate LED will therefore flash 1000 times for every kWh of energy consumed The rate LED on the customer interface unit is not a reference output and may not be used for verifying the associated meter s metrological accuracy 5 2 Alarm LED Customer Interface Unit Only On the Customer Interface Unit the al...

Page 14: ...ort Meter only Landis Gyr Pty Ltd Cashpower Gemini HMI User Guide 6 Optical Communications Port Meter only This port enables data to be transferred to and from the meter e g the accessing of various registers or downloading of new parameters ...

Page 15: ...includes zero credit and supply disconnected Number not recognized by meter Number already used Not enough digits entered 30 second timeout Service call out Number expired Power off Meter tampered Normal operating mode Includes zero credit and supply disconnected Number not recognized by meter Number already used Not enough digits entered 30 second timeout Meter Tampered Service callout Number exp...

Page 16: ...nvoked the keypad could remain locked for a variable period of time i e it will not respond in any way to further key presses An incomplete token entry will be timed out after 30 seconds where after the customer interface unit reverts to normal operation 7 2 Token Processing Depending on the type of token entered into the meter it will result in one of the display sequences described below 7 2 1 I...

Page 17: ...he oldest token in the meter log i e expired Both the happy face and sad face icons are alternately flashed for a period of 5 seconds 7 3 Token Decryption and Processing The Gemini HMI Version 11 meter will only accept tokens in the STS format The meter accepts information transferred as specified in the Standard Transfer Specification release 1 0 1995 with key typing included Key expiry is not im...

Page 18: ...enser key and set 2nd dispenser key tokens may be entered in any sequence i e the 2nd dispenser key token may be entered first Note Various ancillary functions e g clearing the meter log may be embedded into the key change process refer to the STS specification 7 3 3 Set 2nd Dispenser Key Token Refer to 7 3 2 7 3 4 Clear Tamper Token If a meter has been tampered normal operation can only be restor...

Page 19: ...ncorporating Energy Limiting Mode of operation it performs an additional function when operating in Energy Limiting mode refer to section 7 4 7 3 11 Decommissioning Token Meter Specific Token On accepting a decommissioning token the meter opens the load switch load disconnected and disables the tamper detect sensing switch function In the case of the Gemini HMI Split Meter incorporating Energy Lim...

Page 20: ...t vending system It is implemented as follows If the preset power limit threshold is exceeded the load switch will open for a period factory set period of between 30s and 180s after which it will re close either automatically or manually refer to section 7 7 If the power limit threshold continues to be exceeded the above process is repeated If after 4 power limit events within a 15 minute window t...

Page 21: ...ill open and remain open for a period of 30 seconds At the end of this 30 second period the display will return to normal but instead of the load switch closing the load switch status icon on the LCD will start to flash toggling between an open and closed state This is the indication that the load switch may now be manually closed by pressing any key on the keypad In the event of the load switch o...

Page 22: ...e meter The tamper detect function may be enabled or disabled during production or by means of a Set Options Register token The tampered condition may be monitored by using the information functions 8 3 Reverse Energy Detection The meter includes a Significant Reverse Energy SRE detection feature If the line and load wires are swapped during installation the meter will continue to operate and decr...

Page 23: ...ents depending on the actual current credit level in the meter Displays the happy face icon This icon will remain on even if the meter is out of credit and the load disconnected Its primary function is to flag error conditions Displays the load switch status icon in either the closed or open position depending on whether the meter is in or out of credit Credit tokens can be entered at any stage Th...

Page 24: ...y digits and icons work as per the prepayment mode of operation The load switch will remain in the closed position NB The load switch will open if the meter is tampered decommissioned or in a power limit lockout state The total register increments as metering takes place The prepayment mode credit register does not decrement with metering pulses It retains its value and if prepayment credit token ...

Page 25: ... which it is being incremented the credit level will slowly decrease It is in the customer s interest to ensure that electricity is not wasted and that unnecessary appliances are turned off By conserving energy it will be possible to use it at a high rate for periods when required In the event of the customer exceeding the allocated allowance credit level reduced to zero the load is disconnected H...

Page 26: ...l alarm thresholds Because credit levels are automatically incremented it is possible for the meter to move in and out of the alarm threshold without user interaction Another variation is the functioning of set credit level settings In the energy limiting mode of operation they are not treated as absolute values but interpreted as a percentage of the DAE This in order to prevent the resetting of a...

Page 27: ...it level NB The audible alarm functionality described above pertains specifically to the customer interface unit Other features that allow the function to be disabled or enabled as required are described in section 12 2 When toggling from energy limiting mode to any of the other modes normal operation as defined for those modes commences as per the state of the various meter registers e g if toggl...

Page 28: ...y supply could occur soon If needed during normal operation of the customer interface unit the above default settings can be changed by pressing and holding the 0 key on the keypad for 5 seconds At the end of this period the buzzer beeps once alarm disabled or twice alarm enabled The mode can be toggled any number of times If the default setting of the alarm is changed via the keypad it will rever...

Page 29: ...E accumulated credit register 0 001kWh resolution 006 Current 24 hr consumption 007 Previous 24 hr consumption 008 Current 30 day consumption 009 Previous 30 day consumption 011 DAE value 0 01kWh resolution 012 Low credit level 013 High credit level not applicable in Energy Limiting Mode 014 Power limit level 024 Extended meter number 025 Scrolling meter number 030 Meter fixed state register 1 031...

Page 30: ...3 6 Current 24 Hour Consumption Register 006 The meter displays the number of hours into the current 24 hour period followed by the consumption kWh during this period By pressing the backspace key twice in rapid succession the hour counter and consumption value is reset to zero and a new cycle commences using this as the reference time Note This does not affect the previous 24 hour period statisti...

Page 31: ...r number displays the missing three digits of the STS meter number in the format 07 n where 07 is the manufacturer code 07 for S African manufactured Landis Gyr meters n represents the check digit 13 15 Scrolling Meter Number Register 025 The meter displays the entire 11 digit meter number i e the meter number as described in section 13 1 and the extended meter number as described in section 13 14...

Page 32: ...start up the 30 second and 30 minute trip lockout modes are reset i e if either of them had been active at the time of powering the meter down they do not resume from that state when starting up again 13 18 Meter Changeable Option Register 0 Register 035 The meter displays the functions personalised at the time of manufacture These functions can be subsequently changed via a token Meter Changeable...

Page 33: ...ime Format Register 054 The meter displays the date and time of issue of the last Credit Transfer Number entered Note that the display toggles continuously between displaying the date and time 13 23 Identifier of Last Token Entered Register 055 The token identifier is displayed 0 16777215 i e number of minutes elapsed since 01 01 1993 13 24 Value of Last Token Entered Register 056 The meter displa...

Page 34: ... the DAE method with a resolution of 0 000001kWh The most significant digits of the display if in use will be pushed off the display in this mode This is a very high resolution display that allows one to view the incrementing of the credit register by the DAE at 15 second intervals 13 32 DAE 15 Second Portion Register 0 000001kWh Resolution Register 064 The meter displays the energy value that get...

Page 35: ... 12 645 3100 www landisgyr com za 14 Error Codes 14 1 Meter In the unlikely event of a catastrophic malfunction in the meter meter the supply to the consumer will be disconnected and a two digit error code in the form XX displayed 14 2 Customer Interface Unit In the event of a communications failure with the customer interface unit other than a broken wire in which case the customer interface unit...

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