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Landis+Gyr Cashpower Gem Lite, User Manual

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Landis+Gyr Cashpower Gem Lite User Manual Download Page 5

Abbreviations 

Review 

5/27 

Cashpower Gem Lite 

–

 User Guide 

© Gyr (Pty) Ltd 

1 

Abbreviations 

 
LCD 

Liquid Crystal Display 

 
LED 

Light Emitting Diode 

 
STS 

Standard Transfer Specification (open prepayment standard) 

 
CTN 

Credit Transfer Number 

 
TN 

Transfer Number 

 
KRN  Key Revision Number 
 
TI 

Tariff Index 

 
 

Summary of Contents for Cashpower Gem Lite

Page 1: ...hpower Prepayment Metering Cashpower Gem Lite User Guide Document version 0 10 Date 14 06 2011 Corresponds to Filename User Manual Gem Lite docx Landis Gyr Pty Ltd Electricity Prepayment Meters Residential ...

Page 2: ... 11 12 2009 Original document 0 1 14 06 2011 Corrections to section 4 4 1 and 4 4 5 Copyright 2005 2009 Landis Gyr All rights reserved Subject to change without notice Landis Gyr Pty Ltd 2 Slate Avenue N1 Business Park Old Johannesburg Road Kosmosdal Ext 7 Gauteng South Africa Phone 27 12 645 3100 www landisgyr com za ...

Page 3: ...ing Normal Operation __________________________________ 11 4 3 Entering Prepayment Tokens via the Keypad _______________________________ 11 4 3 1 Happy Sad face indications _________________________________________ 12 4 4 Token Processing ____________________________________________________ 12 4 4 1 Incomplete Token __________________________________________________ 12 4 4 2 Complete Token _______...

Page 4: ...er 008 ______________________________ 22 5 1 7 Previous 30 Day Consumption Register 009 _____________________________ 22 5 1 8 Low Credit Level Register 012 ________________________________________ 22 5 1 9 High Credit Level Register 013 _______________________________________ 22 5 1 10 Power Limit Level Register 014 _______________________________________ 22 5 1 11 How to use the State Options Re...

Page 5: ... User Guide Landis Gyr Pty Ltd 1 Abbreviations LCD Liquid Crystal Display LED Light Emitting Diode STS Standard Transfer Specification open prepayment standard CTN Credit Transfer Number TN Transfer Number KRN Key Revision Number TI Tariff Index ...

Page 6: ...igh usage The rate LED is also a reference output and can be used to verify the metrological accuracy LCD Display The display consists of three functional blocks a 7 digit numerical display various pictograms such as credit wedge and alarm indicator and pointers which point to pictograms on the membrane Back space key Allows back space to correct number entered Information Key Entering information...

Page 7: ... power limit level various pictograms such as the credit wedge and pointers which point to pictograms on the membrane 3 2 LCD Layout what the icons mean The LCD is designed to give a clear and unambiguous visual indication of important meter functions by means of language independent pictograms Figure 2 Display Icons 3 2 1 Legend 1 Happy Face 2 Sad Face 3 Latching relay OPEN Indication 4 Latching ...

Page 8: ...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 come on Similar responses would apply during token entry e g entering an invalid credit token would result in the sad face flashing for a short period of time Note that an out of credit condition is not considered to be a bad status and the happy face will be ...

Page 9: ...is open and there is no load in excess of the creep limit The power kWh icon will flash on and off if no measurable energy is being consumed 3 8 Power W Indicator This function is used whenever the displayed units represent power W such as instantaneous power or power limit setting It applies to both normal meter operations as well as when viewing registers via the information mode 3 9 Remaining C...

Page 10: ... not to display negative credit Although there is no negative value displayed it gives a quick visual indication that a negative value is present it is a requirement of some utilities to not show a negative credit value to consumers because in all likelihood it indicates tampering with the meter 3 10 Alarm Indicator This is a low credit warning indicator that turns on if the current credit registe...

Page 11: ...ypad Prepayment tokens are entered into the meter by keying in the numbers printed on the credit token via the keypad The numbers entered are displayed on the LCD as they are being entered and scroll from right to left with a space displayed at every fourth digit for ease of viewing Visual feedback is provided by flashing the happy face icon with each key press Audible feedback is provided by a be...

Page 12: ...pical Happy Sad face combinations 4 4 Token Processing Depending on the type of token entered into the meter it will result in one of the display sequences described above 4 4 1 Incomplete Token A token entry is timed out if no key is pressed for more than 30 seconds On time out The token number is cleared off the display ...

Page 13: ... Token If the token is rejected the following will be displayed The happy face icon is turned off The sad face icon is flashed for the reject time 4 4 6 Duplicate Token If the token is rejected because it has previously been entered i e a duplicate token Both the happy face and sad face icons are flashed simultaneously for 5 seconds 4 4 7 Expired Token If the token is rejected because it is older ...

Page 14: ... a pre payment system Unless the prepayment vending system and meter are both operating on the same key tokens vended from that system will not be accepted by the meter To effect a key change two tokens set 1st dispenser key and set 2nd dispenser key need to be issued and entered into the meter within a 5 minute period of each other Set 1st dispenser key and set 2nd dispenser key tokens may be ent...

Page 15: ...neous power 0000 0000 0044 2920 8064 Display the software version number 0000 0000 0087 2419 5840 Test all the above functions tests run sequentially 5649 3153 7254 5031 3471 In a test sequence test all each test has a duration of 2 5 seconds and is performed in the above order For a single test per token the test duration is 5 seconds On completion of the test sequence the meter returns to its no...

Page 16: ...de the following occurs The tamper detect sensing switch function may be either enabled or disabled The latching relay operates as normal The meter s commissioned decommissioned status can be observed in the meter state register refer to paragraph 5 1 13 for more information 4 6 Power Limiting The power limiting feature allows utilities to set the maximum load that can be drawn by customers The se...

Page 17: ...e latching relay status icon on the LCD will start to flash toggling between an open and closed state This is a visual indication that the latching relay may now be manually closed by pressing any key on the keypad When the latching relay open closed status icons on the LCD start to flash alternately this is a visual indication that the latching relay may be manually closed by pressing any key on ...

Page 18: ... token has been accepted means that the meter is tampered 4 9 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 decrement credit however the meter can be factory programmed to tamper and disconnect the load should SRE be detected The reverse energy condit...

Page 19: ... the rear of the meter and should only be accessed when the meter is disconnected from power It allows for meter data such as remaining credit to be extracted in the event of an electronics failure From a safety point of view the meter must not be powered when accessing this port the field tool provides the necessary low voltage supply to power the logic circuitry ...

Page 20: ... e the information key does not have to be pressed again To exit the Information mode press the information key or in the absence of any other key presses it will automatically return to the normal display after a period of 1 minute 5 1 Information Register Functions Information Register Functions Info Register Number Function Meter Parameter 000 11 Digit Electricity Dispenser Number 001 Instantan...

Page 21: ...t 350 50th Last Token s 20 Digit Transfer Number and ID in Date Time Format 600 Enter Customer Information Mode Refer to section 5 1 29 5 1 1 Meter Number Register 000 The meter displays the unique identity number personalised at the time of manufacture The serial number scrolls on the display from right to left It must match the number printed on the meter s front panel label 5 1 2 Instantaneous ...

Page 22: ...onsumption Register 009 The meter displays the previous 30 day period consumption 5 1 8 Low Credit Level Register 012 The meter displays the level at which the lower two credit wedges on the LCD come into operation The meter could have a value of between 6 4 kWh and 1 632 kWh with a 6 4 kWh resolution 5 1 9 High Credit Level Register 013 The meter displays the level at which the upper two credit w...

Page 23: ...tions Meter State Register Lower Display Function bracketed state applies for a bit set to 0 1xxx Latching relay Inhibit Latching relay not inhibited x1xx Significant reverse power metered SRE not metered detected xx1x Not used xxx1 Meter decommissioned Meter Commissioned Press 031 to toggle between UPPER set and LOWER sets of 4 numbers 1xxx Meter NOT initialised i e default key Meter initialised ...

Page 24: ... changeable option register The contents of this register are determined at the time of manufacture but can be subsequently changed via a token Changeable Option Register Lower Display Function bracketed state applies for a bit set to 0 1xxx Not used x1xx Not used xx1x Tamper function enabled Tamper facility disabled xxx1 Tamper on significant reverse power Do NOT tamper on SRE Press 035 to toggle...

Page 25: ...le meter state register This register indicates the current state of the following meter functions Meter State Register lower Display Function bracketed state applies for a bit set to 0 1xxx Meter in Creep Lock Out of Creep Lock x1xx Not used xx1x Not used xxx1 Tamper switch not depressed Tamper switch depressed Press 037 to toggle between UPPER set and LOWER sets of 4 numbers 1xxx Not Used x1xx N...

Page 26: ... Last CTN Entered Register 056 The meter displays the value I n kWh of the last Credit Transfer Number entered 5 1 23 Key Revision and Key Type Register 057 Displays the Key Revision Number KRN and key type for more details refer to the STS specification 5 1 24 Tariff Index Register 058 Displays the Tariff Index TI of the meter This is a very important register If the TI of the meter does not matc...

Page 27: ...50th last token entered A display of 0000 0000 0000 0000 0000 implies that the register does not contain a record of an STS token 5 1 29 Customer Information Mode The Customer Information Mode is entered via info register 600 On entering the Customer Information Mode meter will display as follows All lines on the display typical information mode display Information mode icon flashing Now enter the...

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