ITRON CENTRON C1S Technical Reference Manual Download Page 1

Page: 1 / 107

5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598

FCC Part 15 Transmitter Certification

Test Report

FCC ID: SK9C1A-2

FCC Rule Part: 15.247

ACS Report Number: 04-0396-15C

Manufacturer: Itron Electricity Metering, Inc.

Equipment Type: Electricity Meter With Dual RF Transmitters

Trade Name: CENTRON ™ ICARe

Model: C1A-2

Manual

Summary of Contents for CENTRON C1S

Page 1: ...1 8598 FCC Part 15 Transmitter Certification Test Report FCC ID SK9C1A 2 FCC Rule Part 15 247 ACS Report Number 04 0396 15C Manufacturer Itron Electricity Metering Inc Equipment Type Electricity Meter...

Page 2: ...CENTRON Meter Technical Reference Guide Effective January 2005...

Page 3: ...in this document is subject to change without notice Itron Inc reserves the right to change the product specifications at any time without incurring any obligations Trademarks Used in This Manual CENT...

Page 4: ...the limits for an intentional radiator pursuant to Part 15 Subpart C of the FCC Rules This equipment generates uses and can radiate radio frequency energy If not installed and used in accordance with...

Page 5: ...o charge if the meter has failed due to components or workmanship A return authorization number must be obtained before the equipment can be sent back to the factory Contact your Itron Sales Represent...

Page 6: ...ata 1 6 Technical Data 1 7 Dimensions 1 7 C1SD C1ST C1SL Dimensions 1 8 Shipping Weights 1 8 Chapter 2 Installation Inspection 2 1 Battery 2 1 Storage 2 1 Unpacking 2 2 Selecting a Site 2 2 Installing...

Page 7: ...eading 5 8 Last Season Registers 5 9 Operating Parameters 5 9 Informational Data 5 10 Test Mode Data 5 12 Programming the Meter With a 200 Series Program 5 13 Demand Reset 5 15 Time of Use 5 15 TOU Sc...

Page 8: ...2 Electronic Detent 6 3 Resetting Values 6 3 Transmission Scheme 6 4 FCC Regulations 6 4 Tamper Detection 6 4 Testing the CENTRON C1SR Tamper Counter 6 5 Retrofitting the C1SR Personality Module 6 6...

Page 9: ...ng and Troubleshooting General 8 8 Blank Display 8 8 Time and Date Wrong TOU or Load Profile Only 8 8 No Accumulation of kWh or kW 8 8 Software Cannot Communicate with Module 8 9 Reed Switch Does Not...

Page 10: ...d to the CENTRON 4 3 4 4 Reverse Side of ZRO Resetter 4 4 4 5 Pre June 2003 LCD 4 4 4 6 LCD Display without Segment Check 4 5 4 7 LCD Display with Segment Check 4 5 4 8 Post June 2003 LCD 4 6 4 9 Non...

Page 11: ...n 8 1 8 2 Pulse Detector 8 2 8 3 TOU Rate Annunciators 8 3 9 1 Form 1S Wiring Diagram 9 1 9 2 Form 2S Wiring Diagram 9 2 9 3 Form 3S Wiring Diagram 9 2 9 4 Form 4S Wiring Diagram 9 3 9 5 Form 12S Wiri...

Page 12: ...splay Formats 5 8 5 3 Programmable Parameters 5 9 5 4 Information Data Items 5 10 5 5 Test Mode Data Items 5 12 5 6 Recording Duration for 32Kb 5 20 6 1 ReadOne Pro Tamper Count 6 5 8 1 AEP Test Codes...

Page 13: ...List of Tables xii CENTRON Meter Technical Reference Guide Notes...

Page 14: ...3 Operation Base Describes the measurement technique used for the base on the CENTRON meter Chapter 4 Operation C1S Provides a physical description and operational characteristics of the basic watthou...

Page 15: ...ortion of the meter contains all measurement circuitry and calibration information while the personality modules contain the register functionality and communication mediums Each version of the meter...

Page 16: ...ter base assembly includes two current conductors a flux directing core a Hall Effect device the metrology circuit board and the ultrasonically welded module support The base also contains a MOV metal...

Page 17: ...he CENTRON are Battery The CENTRON C1ST and C1SL modules contain a battery that powers the clock circuit during a power outage The battery is permanently soldered to the module and is expected to last...

Page 18: ...Normal 32 Alternate and 8 Test display items up to a total of 48 items Specifications Electrical Operating Environment Table 1 1 Outer Cover Configurations Meter Versions Cover Options Polycarbonate...

Page 19: ...4 7 2 9 Metrology Voltage Watt Loss VA 1S 120 0 45 3 7 2S Class 200 240 0 45 7 2 2S Class 320 240 0 65 10 2 3S 240 0 65 10 2 4S 240 0 65 10 2 12S 25S 120 0 65 5 4 240V Register LCD R300 CellNet D T L...

Page 20: ...State Meters ANSI C12 18 Optical Communications Protocol ANSI C12 20 Class 0 5 1998 IEC 61000 4 4 IEC 61000 4 2 Dimensions The following dimensional measurements are shown in inches and centimeters F...

Page 21: ...Figure 1 7 C1SD C1ST C1SL Dimensions Shipping Weights The following weight measurements are shown in pounds and kilograms Polycarbonate A B C D E F G H 6 95 17 70 6 29 16 00 2 70 6 90 3 16 8 00 4 53 1...

Page 22: ...Factory programmed C1ST and C1SL meters should be put into service in a timely manner to avoid degradation of the battery Programmed meters are not in low power mode Storage Store the meter in a clean...

Page 23: ...L meter version with Crystal Time synchronization if a clock is needed TOU or Load Profile Installing the Meter into Service Install the meter base using standard meter installation practices The curr...

Page 24: ...ide to side see Figure 2 1 To maintain the integrity of the connector only remove it when you are upgrading the meter The practice of knowingly installing Form 12S 25S meters into metering sockets wit...

Page 25: ...the meter frame snaps see Figure 2 2 while lifting the module up Figure 2 2 Removing the Register Module 6 Snap the new module into the meter frame by aligning the notches at bottom of the circuit boa...

Page 26: ...or with the notches in the circuit board see Figure 2 4 and pressing gently at the bottom of connector to mate the connector to metrology board see Figure 2 5 Then gently press the top of the connecto...

Page 27: ...9 Carefully replace the inner protective cover Engage the top snaps first taking care to place the slot at the top of the cover over the IR light pipe Failure to do so could break the light pipe Ensu...

Page 28: ...ng tabs are fully engaged with the meter base 12 If the cover has a Demand Reset or an Optical Connector be sure these are properly aligned with their corresponding accessory on the register faceplate...

Page 29: ...Notes 2 8 CENTRON Meter Technical Reference Guide Installation...

Page 30: ...ic field density derived from the line current K is the Hall coefficient analogous to a gain factor in any meter K could be viewed as the Hall sensor intrinsic gain and is maximized by the appropriate...

Page 31: ...ifier in order to bring the signal within the nominal level of the analog to digital converter ADC The output of the ADC is integrated over time to get the energy information and generates a pulse str...

Page 32: ...ection sign 60Hz clock signal synchronized with the line voltage for time keeping pulse that drives the stepper motor for the mechanical register attachment 1 pulse every 10 watthours The metrology bo...

Page 33: ...plifier in order to bring the signal within the nominal level of the ADC ADC 1 sums the signal from ADC 1 and ADC 2 The output of ADC 1 is integrated over time to get the energy information Each time...

Page 34: ...r energy accumulation for today s needs but also provides a platform for easy upgrade to higher functionality in the future Physical Description The CENTRON Personality Modules snap into the meter reg...

Page 35: ...ional operation At the time of order the LCD module can be selected to have a detent register Programmed at the factory this feature will cease registration while the meter is inverted or power flow i...

Page 36: ...e 12 o clock position on the meter see Figure 4 3 Extending from the ZRO C2A is a cable terminating in a connector which mates to the programming connector of the CENTRON Beginning February 20 2002 th...

Page 37: ...isplay Function The CENTRON LCD has been updated as of June 2003 All CENTRON C1S meters built after this date will incorporate the new LCD The following sections describe both the new LCD and the old...

Page 38: ...d version of the LCD is available which displays the kWh reading and a segment check see Figure 4 7 The display scrolls between the kWh reading and segment check with 7 seconds of on time for each dis...

Page 39: ...ndicate the type of displayed data and three icons to represent a watt disk emulator The display may be configured for either four or five digits and will roll over at 100 000 kWh This module is compa...

Page 40: ...er The Net kWh Register addresses applications requiring residential net metering points Net kWh is the delivered kWh to the customer minus any received kWh from the customer Net metering emulates a n...

Page 41: ...ollowing digit and multiplier settings are available for factory programming 4 digits x 1 kWh 4 digits x 10 kWh 5 digits x 1 kWh Although the DEL and REC indicators are ON during segment check they ar...

Page 42: ...igure 5 1 C1SL Meter with Cover These personality modules utilize the SCS protocol which allows the C1SD C1ST and C1SL meters to mimic the Itron 200 Register Series product line for use with existing...

Page 43: ...and one for reverse kWh When the meter is programmed with electronic detent both the forward kWh register and the reverse kWh register will be utilized When the meter is programmed to be undetented t...

Page 44: ...s Alternate Mode The Alternate mode provides an additional set of customizable display items that are not typically used for billing applications The Alternate mode is accessible only from the Normal...

Page 45: ...Test mode The demand test interval is initialized whenever the Demand Reset button is pressed The magnetic reed switch when activated advances the Test mode display to the next quantity Calculations p...

Page 46: ...Figure 5 4 Figure 5 4 Display Six large digits are available to display all billing and informational data Three decimal points are provided for programmable resolution of billing data Three small dig...

Page 47: ...med using Itron programming software PC PRO or PC PRO 98 Table 5 1 describes each display item and indicates the display mode in which each is available The display items and sequence of their display...

Page 48: ...ges x x Number of Days Since Demand Reset x x Demand Sub interval Length x x Register Full Scale Value x x Kh Value x x Demand Threshold Value x x P DR Value x x Register Multiplier x x Date C1ST and...

Page 49: ...C1ST and C1SL only A specified date 1st 28th can be programmed into the meter to indicate the exact day that a self read is to be performed On this date at 00 00 hours register readings are transferr...

Page 50: ...s are restarted after a recognized power outage occurs Setting this value to zero will cause demand calculations to start immediately following a power outage Power Outage Length Prior to CLPU The num...

Page 51: ...nd readings This can be used by setting the register multiplier equal to the CT ratio times the PT ratio of the installation for primary read meters Valid entries are from 1 to 9999 Note Energy and de...

Page 52: ...of times up to 9999 the meter has recognized a power outage Number of Demand Resets A counter identifying the number of times up to 9999 a demand reset has occurred Number of Days Since Demand Reset C...

Page 53: ...ms Item Description Table 5 5 Test Mode Data Items Item Description Time Remaining in the Sub interval The amount of time in minutes and seconds before the end of the current Test mode demand interval...

Page 54: ...is a two step process First export the 200 Series program you want to use to a CENTRON file format and then import that file into PC PRO as follows 1 Open the Program Editor 2 Select File Export The...

Page 55: ...ed in Figure 5 5 is converted to a CENTRON format The program ID remains the same but the file type becomes CENTRON 7 Select File Import The Import screen shown in Figure 5 7 is displayed Figure 5 7 I...

Page 56: ...and resets are prevented for 60 seconds following a demand reset Time of Use TOU Schedules The Time of Use capability is available on the C1ST and C1SL personality modules It requires additional circu...

Page 57: ...tiple seasons are not used the TOU schedule contains one year round season The Daily Schedules can be defined differently for each season Up to eight Season Change dates are specified for each year in...

Page 58: ...nergy registers are copied directly to the Last Season energy registers The Current Season maximum demand registers are copied directly to the Last Season maximum demand registers and added to the cum...

Page 59: ...ours per pulse Some example pulse weight calculations Example 1 Calculation of Pulse Weight If the customer pulls a 240V CL200 singlephase Form 2S electromechanical meter from service with the followi...

Page 60: ...th in minutes PW Min 12 000Wh 4095P 2 94Wh Pulse Time Tag Specifies the month day and hour of the end of the data record or block Power Outage Status bit is set for each interval during which a power...

Page 61: ...D C1ST and C1SL personality modules Security Codes Register security can be provided with primary secondary and tertiary security codes that prevent unauthorized communication with CENTRON products A...

Page 62: ...er The weight of an incoming pulse is determined according to the following formula The demand in a given interval is the product of the number of pulses received during that interval times the pulse...

Page 63: ...mand values These values remain in storage until the next demand reset Continuous Cumulative Demand Continuous Cumulative Demand is the sum of Maximum and Cumulative Demand at any time The calculated...

Page 64: ...The battery life is longer for the CENTRON TOU and Load Profile modules than the J5 200 Series electromechanical hybrid meters The capacity of the new battery is larger than equivalent older products...

Page 65: ...unctionality An even smaller amount of current is required of the battery while the meter is powered or is in low power mode The meter is in low power mode when the meter is programmed with a demand o...

Page 66: ...see Figure 5 10 the meter is unpowered with battery running the clock for six years then installed in the field under AC power Follow the Current Draw the Battery Power line from year zero to year si...

Page 67: ...gram in PC PRO and then selecting Displayable Errors When the list of displayable errors is shown select Low Battery The user will be prompted to select Ignore Scroll or Lock Select Ignore and save th...

Page 68: ...lay should alternate between CNTRON and Segment Test if the reset is successful 8 Replace the meter cover Option Boards CENTRON R300CD Operation The R300CD option provides two RF transmission messages...

Page 69: ...the option board will update the kW and kWh values from the self read register upon power restoration The R300CD features the Itron patented method of tamper detection that senses both meter removal a...

Page 70: ...d For detailed programming instructions see the PC PRO documentation Also refer to the CENTRON R300CD Quick Install Guide Error Error Code Error Type Stops RF Transmission Low Battery 000001 Non Fatal...

Page 71: ...Notes 5 30 CENTRON Meter Technical Reference Guide Operation C1SD C1ST and C1SL Versions...

Page 72: ...y programmed with tuning information module ID tamper indicators ITPR and RTPR meter type energy consumption and scaling factor The program and all register information are stored in non volatile memo...

Page 73: ...nector The following information is sent to the personality module from the base metrology board Line voltage Reference voltage Energy flow direction Energy pulse data Line frequency The C1SR contains...

Page 74: ...the transformer ratio is 1 then the reading on the display is the actual energy consumption Regardless of the register configuration the transmitted energy will always be in a 5x1 configuration The L...

Page 75: ...e load indicator will not flash nor will the meter accumulate when reverse energy flow is present Net Metering coming from David Resetting Values The ZRO C2A Resetter zeros both the energy registers a...

Page 76: ...live meter socket The tamper counter utilizes a tilt switch to detect when the meter is removed from a meter socket The inversion tamper ITPR increments a separate counter each time the meter senses...

Page 77: ...d the inversion counter due to reverse energy flow through the meter The inversion counter increments when the meter senses reverse current flow The metrology board senses reverse power flow and sends...

Page 78: ...in the meter socket inverted test LED pointing down 2 Apply a load to the meter in the forward direction The meter has incremented the inversion counter due to reverse energy flow through the meter a...

Page 79: ...set to five minutes Interval Data Message IDM Format There are two formats for IDM messages They are associated to two SCM message types The first pair is an ERT type 7 SCM and an ERT type 23 IDM mes...

Page 80: ...oss of power Reverse Rotation Tamper We will monitor the sign signal along with the energy coming from the metrology to determine when the meter is operating in the reverse direction and increment the...

Page 81: ...Operation C1SR Version 6 10 CENTRON Meter Technical Reference Guide...

Page 82: ...to broadcast its message in the 902 to 928 MHz frequency range once every five minutes The C1SC is factory programmed to include the utility billing ID LAN Address ID and Register configuration The ut...

Page 83: ...a utility descriptor Transmission Scheme The RF transmission is spread spectrum using Binary Phase Shift Keyed BPSK modulation A chipping signal is used to spread the carrier and actual data is on off...

Page 84: ...ELECTRICITY INTERVAL TELEMETRY 0 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 0 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 0 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 0 1 2 3 4 5...

Page 85: ...y module programming port is located such that the CENTRON inner cover does not have to be removed when programming or testing the CellNet module In order to communicate with the CENTRON CellNet modul...

Page 86: ...Operation C1SC Version CENTRON Meter Technical Reference Guide 7 5 Figure 7 4 C1SC CN1SC Programming Port Location...

Page 87: ...Operation C1SC Version 7 6 CENTRON Meter Technical Reference Guide...

Page 88: ...h an Infrared Test Light Emitting Diode LED where each pulse represents a fixed value of watthour measurement The LED is located on the top of the meter as the meter is viewed from a typical installat...

Page 89: ...1 0 watthour each time it turns off for a total of 2 0 watthours On other CENTRON meters equipped with LCD s there are three such annunciators which also show the direction of energy flow C1S C1SC C1S...

Page 90: ...e Since the Kh value for the meter is 1 0 make sure the test board is programmed to accept this Kh value 1 pulse 1 Watt hour as compared to 1 pulse 7 2 Watt hours in Electromechanical meters To obtain...

Page 91: ...des Table 8 1 shows the AEP Test Codes Field Testing Field testing of the CENTRON meter may be accomplished with conventional methods using either the infrared test LED or the disk emulation annunciat...

Page 92: ...LCD will display the annunciator a downward pointing arrow in the lower right hand corner Cause Effect Indication Unsuccessful writing to or reading from EEPROM memory All metering and RF functions a...

Page 93: ...tion TOU and Mass Memory will continue to operate until an outage occurs If a low battery level is detected upon programming or upon restoration of power after an outage ER 000001 will display Total r...

Page 94: ...will be added to the cumulative registers and the error code will no longer be displayed If a Full Scale overflow occurs check the installation to ensure that the current metering capability has not...

Page 95: ...d new time and date to register See appropriate software manual for more detailed directions Wrong Line Frequency Verify proper line frequency is selected in Setup routine in programming software Sele...

Page 96: ...are Probe Not Connected Properly Verify Optical Probe lines up properly over the optical connector Re install cover for proper alignment Verify PC or handheld and cable are securely connected and atta...

Page 97: ...that the test mode pushbutton has been completely depressed Switch or Electronic Failure Replace module Test Mode Items Not Selected Re program module with items to be displayed in Test mode Cause So...

Page 98: ...Specifications and Drawings Specifications For a complete list of the latest CENTRON specification numbers refer to the CENTRON Meter Specification Numbers Bulletin Part Number 428601 220 Drawings Fi...

Page 99: ...Specifications and Drawings 9 2 CENTRON Meter Technical Reference Guide Figure 9 2 Form 2S Wiring Diagram Figure 9 3 Form 3S Wiring Diagram 1 1 0 2 0 2 1 0 2 LINE LOAD...

Page 100: ...nd Drawings CENTRON Meter Technical Reference Guide 9 3 Figure 9 4 Form 4S Wiring Diagram Figure 9 5 Form 12S Wiring Diagram Alternate positions of fifth jaw terminal Alternate positions of movable po...

Page 101: ...Specifications and Drawings 9 4 CENTRON Meter Technical Reference Guide Figure 9 6 Form 25S Wiring Diagram...

Page 102: ...ight to be erased electronic detent An algorithm in firmware which restricts the device to metering energy flow only to the customer unidirectional metering firmware Computer programs stored in non vo...

Page 103: ...Glossary G 2 CENTRON Meter Technical Reference Guide Notes...

Page 104: ...rcuit board 2 3 metrology 1 3 6 5 register module 2 1 clock circuit 1 4 Clock error 8 6 clock register 4 1 communication optical port 5 1 communication problem 8 9 communications rate default 2 3 comp...

Page 105: ...ut ready 1 5 inspection 2 1 installation 2 2 inversion counter 6 5 inversion tamper ITPR 5 28 6 5 IR light pipe 2 6 IR Test LED 8 1 ITPR 5 28 6 5 K kWh annunciator 5 6 KYZ outputs 5 20 L LAN address b...

Page 106: ...on 5 18 R R300 module 6 1 R300CD option 5 27 random silent time 6 4 rate schedule 5 16 ReadOne Pro handheld reader 6 5 recycling information i iv register current season 5 16 last season 5 17 Load Pro...

Page 107: ...e of Use 5 15 See also TOU Time of Use TOU 5 27 TOU 5 15 5 23 5 27 8 2 TOU annunciator 8 2 TOU error 8 6 TOU module 5 5 TOU rate indicators 5 5 TOU schedule testing 8 1 TR 6 3 transformer rated meter...

Search results

Summary of Contents for CENTRON C1S

Reviews:

ITRON CENTRON C1S, Technical Reference Manual, Page: 1 / 107

Search results

Summary of Contents for CENTRON C1S

Reviews: