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JEM®10 Polyphase Meter

1. Hanger slot for concealed mounting gt 65017 2 Side View Front View Figure 2 2 A Base Meter Dimensions at Mounting Panel Pu 6 63 1 50 m 6 19 150 pa 8 38 9 13 Y acm lt 75 65518 2D Front View Side View Figure 2 3 Switchboard Case Meter Dimensions SCIENTIFIC COLUMBUS Meter Installation 13 5 69 m 25 DIA er 2 4 Places 04 8 63 8 25 4 31 4 13 1 Y 3 03 x oP x 65595 1B Figure 2 4 Switchboard Case Meter Panel Cutout Dimensions SCIENTIFIC COLUMBUS 14 JEM 10 Instruction Manual 2 2 Wiring Diagrams Form 55 2 Element 3 Wire Delta Phase 3 Wire Delta m 2 r U gt Or 65056 1 Figure 2 5 Form 55 Wiring Diagram SCIENTIFIC COLUMBUS Meter Installation 15 Form 65 212 Element 4 Wire Wye A D 3 Phase 4 Wire Wye mz r UPO 65060 1E Front View Figure 2 6 Form 6S Wiring Diagram SCIENTIFIC COLUMBUS 16 10 Instruction Manual Form 95 3 Element 4 Wire Wye 3 Phase 4 Wire Wye mz r U gt Or gt 65068 1E Front View Figure 2 7 Form 95 Wiring Diagram SCIENTIFIC COLUMBUS Meter Insta
2. 1200 RD TD Figure 3 10 Typical RS 485 Communications Network Fig 3 11 shows the JEM10 CommRepeater integrated in an RS485 network When the JEM10 CommRepeater is set up in RS485 mode the connections to and COMM are in parallel The twisted pairs can be connected directly to and 2 without using additional junction blocks TD RD A TD RD B RTS A RTS B RS485 MASTER SCIENTIFIC COLUMBUS COMM 1 TD RD B JEM 10 1 2 1 TD RD A TD RD B RTS A TD RD A TD RD B FJ RTS A lt COMM 2 COMM 1 COMM 2 10 2 10 3 TD RD A TD RD B TD RD B TD RD B RTS A JEM 10 3 HAS ITS ON BOARD RS485 120Q TERMINATORS TURNED ON Figure 3 11 Typical JEM10 CommRepeaters in RS 485 Mode 62 JEM810 Instruction Manual The signals labeled TD RD A and TD RD B are a half duplex pair that carry Re ceived Data to the meter and Transmitted Data to the master The RTS A and RTS B signals are an RS485 equivalent of the RTS control signal used in RS232 applications The RTS control signal is unidirectional from the meters to the master The DTR control signal is not supported in this mode Fig 3 11 shows that the master end of the RS485 network must be terminated The JEM10 CommRepeater board comes equipped with an internal terminat
3. to be changed store all presets by pressing the TEST and SET buttons The meter scrolls in the Normal Display Mode 5 preset registers in the Alternate Display Mode hold down the DISPLAY button for two or more seconds and follow the same sequence as outlined above When complete hold down the DISPLAY button again for two or more seconds to exit the Alternate Display Mode Note To abort the Register Preset Mode before changes are made press the TEST and DISPLAY buttons To clear changes made in Preset Mode press the TEST and DIPLAY buttons To exit the Register Preset Mode without saving changes press the TEST and DISPLAY buttons a second time SCIENTIFIC COLUMBUS 52 JEM810 Instruction Manual Fig 3 6 How to abort 1 If no changes have been made to current register press T amp D to abort preset Scroll to next Consumption register press Register SET amp DISPLAY Display 2 If changes have been made to current register press preset Press again to abort preset mode and delete all changes Are all registers correct Is register value correct Store all presets Abort by pressing changes to TEST amp SET register Normal Scrolling Display Is blinking Increment digit by digit correct pressing SET Press Store digit by TEST amp DISPLAY pressing DISPLAY T Test button D Display button T amp D Press both buttons at the same time
4. INTERNAL RS485 TERMINATORS SWITCHED ON Figure 3 12 Typical RS 232 to RS 485 Conversion Mode Connections SCIENTIFIC COLUMBUS Meter Operation 63 CommRepeater Specifications Baud Rates Up to 9600 baud RS232 Tx Rx GND RTS and DTR signals supported RS485 Tx Rx and RTS signals supported 3 12 Meter Configuration All of the parameters that determine the meter s operation can be set by using the JEMSET configuration software JEMSET includes a file management system for storing configurations configuration editing screens for setting the various parameters and communications to program the meter or read the configuration from the meter It also provides the ability to set and read the time on the meter through serial communi cations The JEMSET Instruction Manual describes each parameter that can be pro grammed SCIENTIFIC COLUMBUS 64 JEMS10 Instruction Manual SCIENTIFIC COLUMBUS 4 Test amp Calibration 4 1 Overview The JEM10 meter can be tested in the Normal Operating Mode or in the Test Mode In the Test Mode test pulses are output from the optical port infrared LED The port is not available for normal communication during this time 4 2 Optical Port KYZ Meter Test The JEM10 optical port on the face of the meter performs two functions During Standard Meter Mode it 15 used for serial communications In Test Mode the optical port on the face of the meter sends out test pulses consistent with
5. B Equivalence of Circuits Balance Maximum deviation between any two circuits tested individually Watt Watthour x 0 1426 from reference calibration Var Varhour 0 2 from reference calibration B Frequency Ranges 58 62 Hz 60 Hz units 48 52 Hz 50 Hz units B Frequency Effect on Var Accuracy Accuracy of Var Varhour measurement is maintained for the frequency of calibration Magnitude of frequency influence on the var measurement is proportional to the deviation of frequency divided by the calibration frequency Var Frequency Compensation Optional Feature Frequency Ranges 57 63 Hz 60 Hz units 47 53 Hz 50 Hz units Var Accuracy x 0 246 from ref calibration throughout frequency range B Repeatability A 0 02 maximum fluctuation exists between successive tests assuming constant conditions for a 36 second test B Clock Accuracy External tracking line frequency Accuracy of the clock is directly determined by the power system frequency except during loss of auxiliary power to the meter The internal reference accuracy is applicable for that time period Internal tracking external referenced five seconds per day maximum error SCIENTIFIC COLUMBUS General Information 7 Other Required Qualification Ratings Creep and Equivalent Settings The meter does not creep That is no pulses or registration will occur on any function which depends on current with the current circuit open The anti creep requirement
6. KYZ Alarm Status Outputs Serial Communications Analog RS 232 20 Outputs Digital Inputs or Modem A KYZ Board Comm Options E Metrology Multiplier Integrator LCD Display 3 Voltages 3 Currents Aux Power 4 Pushbutton Supply Switches 1 Voltage Optical Port 65570 2D Figure 1 1 JEM10 Functional Block Diagram SCIENTIFIC COLUMBUS 1 3 Model Number Description General Information 3 This is a general user manual applicable to a broad range of JEM10 meter options To determine the options on your meter read the model number located in the center front of the meter faceplate and compare it to the Models guide below TYPICAL MODEL NUMBER J10 120 05512 NNNNN Measurement Form Enclosure Voltage Current Type Function 120 Watthour Varhour 130 Watthour Q hour 221 Watthour Varhour V hour 231 Watthour Q hour V hour 2 Element 3 Wire Delta 05S Socket 05A A Base 05R Switchboard 2Ve Element 4 Wire Wye 065 Socket 06 A Base O6R Switchboard 3 Element 4 Wire Wye 09S Socket 09 A Base 09R Switchboard Pulse I O 0 None 1 3KYZ 3 Special KYZ Communication 0 None 1 RS 232 2 20mA 3 Modem 4 Power Fail Modem Option 5 CommRepeater Analog Output 0 None 1 Analog 1 2mA 2 Analog 4 20mA Communication Protocol 1 DNP 3 0 requires C
7. normal wear and tear on disposable and or consumable parts This Warranty shall be void in the event of unauthorized modification or servicing of the Equipment THE FOREGOING WARRANTY IS EXCLUSIVE AND IN LIEU OF ANY OTHER WARRANTIES OF QUALITY WHETHER EXPRESSED OR IMPLIED INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE In no event shall Seller be liable hereunder for any special indirect incidental or consequential damages including but not limited to loss of revenue or production PROPRIETARY NOTICE The information contained in this publication is derived in part from proprietary and patented data of Scientific Columbus This information has been prepared for the express purpose of assisting operating and maintenance personnel in the efficient use of the JEM Series meters and publication of this information does not convey any rights to reproduce it or use if for any purpose other than in connec tion with the installation operation and maintenance of the equipment described herein Contents Contents a DAN EE iii 1 General Information u ores nc basa in brenda oa ks DX YRXXU ERREUR ERE RI aee 1 1 1 Purpose ol Manual debeo eei iste o ener 1 1 2 JEM Meter Overview cette chad hed Ait els 1 1 3 Model Number Description eennnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnanannnnnnnnnnnne
8. 3 Phase 4 Wire Wye Separate Aux Power connections are standard on a switchboard case Caution This is a 3 element meter in a small switchboard case and is not pin for pin compatible with the 20 terminal M1 standard connections Shorting Contacts 65571 1D LOAD Back View Figure 2 13 Form 9R Wiring Diagram Grounding Recommendations It is extremely important to ensure proper grounding for the JEM10 meter For full meter protection supply an adequate low impedance ground to the JEM10 and verify with an ohm meter Be sure not to make grounding connections on painted surfaces All output cables from the JEM10 should be shielded cables with the shield grounded at one end The instrument PT and CT commons should be grounded consistent with your company s wiring procedures SCIENTIFIC COLUMBUS Meter Installation 23 2 3 Option Connections The following section provides installation information for options available on the JEM10 meter KYZ Option Pulse initiator K YZ outputs are Form C three wire contact closures based on the configured K of the meter Up to five channels of KYZ outputs are assigned to the basic measured consumption quantities watthours varhours or Q hours and volt squared hours Each of the five KYZ channels can be configured using JEMSET with its own pulse value Figure 2 14 KYZ Port Location Diagram illustrates that the KYZ port is located
9. A I Class 1 0 A lt I lt Class 2 0 A I Class 0 10 0 10 01 lt 1 lt 0 2 0 5A lt I lt 1 0A 10 lt 1 lt 2 0 0 10 0 20 0 05 A I 0 1A 0 25 A lt 1 lt 0 5 05 lt lt 1 0 0 20 0 40 0 02 lt 1 lt 0 05 lt 1 lt 0 25 02 lt 1 lt 0 5 0 30 0 50 Where test Load performance of I 1 and I 5 meets or exceeds IEC specifications B Power Factor Influence Maximum additional error due to power factor influence is 0 002 P F for P F less than 0 5 B Temperature Operating Ranges External Environment 30 C to 70 C Under Cover 30 C to 85 C including solar internal heat rise Storage Temperature 40 C to 85 C Applicable Specification IEC 687 Clause 4 3 B Temperature Influence on Accuracy Maximum average temperature coefficient from 25 C to 30 C and 25 C to 70 C at nominal rated inputs Watthour Q hour 0 005 C Varhour Volt squared hour 0 009 C SCIENTIFIC COLUMBUS 6 JEM810 Instruction Manual B Extended Potential Range Additional error of 0 1 for extended potential range Meter Voltage Range 69 V Meter 12 43 V 120 V Meter 20 75 V 135 150 V 240 V Meter 40 150 V 270 300 V 277 V Meter 46 173 V 312 346 V Exception noted When auxiliary power is derived from a phase operating voltage which is typically A phase on socket meters the meter circuits will not work if voltage is below the specified auxiliary power minimum
10. Adj 60 minutes APR 03 1994 02 00 00 Adj 60 minutes APR 02 1995 02 00 00 Adj 60 minutes APR 07 1996 02 00 00 Adj 60 minutes APR 06 1997 02 00 00 Adj 60 minutes APR 05 1998 02 00 00 Adj 60 minutes APR 04 1999 02 00 00 Adj 60 minutes APR 02 2000 02 00 00 Adj 60 minutes APR 01 2001 02 00 00 Adj 60 minutes APR 07 2002 02 00 00 Adj 60 minutes APR 06 2003 02 00 00 Adj 60 minutes APR 04 2004 02 00 00 Adj 60 minutes APR 03 2005 02 00 00 Adj 60 minutes APR 02 2006 02 00 00 Adj 60 minutes APR 01 2007 02 00 00 Adj 60 minutes APR 06 2008 02 00 00 Adj 60 minutes APR 05 2009 02 00 00 Adj 60 minutes APR 04 2010 02 00 00 Adj 60 minutes APR 03 2011 02 00 00 Adj 60 minutes APR 01 2012 02 00 00 Adj 60 minutes SCIENTIFIC COLUMBUS Appendix A 107 OCT 31 1993 02 00 00 Adj 60 minutes OCT 30 1994 02 00 00 Adj 60 minutes OCT 29 1995 02 00 00 Adj 60 minutes OCT 27 1996 02 00 00 Adj 60 minutes OCT 26 1997 02 00 00 Adj 60 minutes OCT 25 1998 02 00 00 Adj 60 minutes OCT 31 1999 02 00 00 Adj 60 minutes OCT 29 2000 02 00 00 Adj 60 minutes OCT 28 2001 02 00 00 Adj 60 minutes OCT 27 2002 02 00 00 Adj 60 minutes OCT 26 2003 02 00 00 Adj 60 minutes OCT 31 2004 02 00 00 Adj 60 minutes OCT 30 2005 02 00 00 Adj 60 minutes OCT 29 2006 02 00 00 Adj 60 minutes OCT 28 2007 02 00 00 Adj 60 minutes OCT 26 2008 02 00 00 Adj 60 minutes OCT 25 2009 02 00 00 Adj 60 minutes
11. Figure 3 6 Consumption Register Preset Flowchart SCIENTIFIC COLUMBUS mode and delete all changes T amp D to clear values and renew Meter Operation 53 3 6 Analog Output Option The meter transmits analog output signals from the analog output option board Three current output signals can be supplied for external indication or to interface to other data systems Each analog output is proportional to one of the basic measured quantities watt var or Q and volt squared The bidirectional signals are 2 4 mAdc at full scale polyphase watts vars and Qs For volts squared the signal is 1 2 mAdc at nominal voltage input The analog output port is a six pin modular jack located next to the communication option port at the base of the meter on socket and A base meters The analog output signals for switchboard case meters are available through the 40 pin screw terminal connector at the rear of the case 3 7 KYZ Pulse Output Option The meter may have a K YZ pulse output option as determined by the model number The JEM10 can have up to five Form C three wire pulse output channels watthours varhours or Q hours and V h Each channel will count at the rate specified by its programmed K value This is done through the JEMSET software 3 8 Alarm and Status Outputs The JEM10 meter has one programmable alarm status Form A two wire output It can be set to close at the end of each demand interval or when a demand threshold is
12. Mode only the Test Mode registers update The standard metering registers and load profile data do not accumulate The normal metering functions are suspended until Test Mode is exited Note Refer to Appendix A for a default register configuration To manually scroll through Normal Mode registers gt The display registers defined in the Normal Mode can be manually scrolled by pressing the DISPLAY button or by pressing down on the reset mechanism To enter Alternate Mode displays gt Alternate Mode is entered by holding down the DISPLAY button or holding down the reset mechanism for two or more seconds Release the button or the reset mechanism as soon as ALT is displayed on the meter s display gt The Alternate Mode registers can be scrolled through manually by pressing the DISPLAY button or by pressing down on the reset mechanism gt At the end of the Alternate Mode register list the meter will return to Normal Mode Pressing the DISPLAY button or holding down the reset mechanism for two or more seconds while in Alternate Mode will also return the meter to Normal Mode SCIENTIFIC COLUMBUS 48 JEM810 Instruction Manual enter Test Mode Remove the meter globe or front panel Press the TEST button to enter Test Mode The meter display will indicate the meter is in Test Mode To step through the Test Mode registers press the DISPLAY button Exit Test Mode by pressing the TEST button If Test Mode 15 not exite
13. OCT 31 2010 02 00 00 Adj 60 minutes OCT 30 2011 02 00 00 Adj 60 minutes OCT 28 2012 02 00 00 Adj 60 minutes 108 JEM810 Instruction Manual SCIENTIFIC COLUMBUS Appendix B 109 Accessories Communication Cables amp Adapters RJ 45 to RJ 45 Cable 7ft 3007 132 RJ 45 to Screw Terminal Adapter 3004 047 RJ 45 to DB9F Direct to PC Adapter 4195 475 RJ 45 to DB25M Modem Adapter 4195 528 CommRepeater Adapter Box 1080 841 Analog Output Cables amp Adapters RJ 12 to RJ 12 Cable 7ft 3007 131 RJ 12 to Screw Terminal Adapter 3004 048 RJ 12 to IDC Adapter 4195 475 Pulse I O Cable KYZ Pulse I O Cable Pigtail 4ft 15097 001 SCIENTIFIC COLUMBUS 110 JEMS10 Instruction Manual SCIENTIFIC COLUMBUS Appendix C 111 Electrostatic Discharge 1 1 Electrostatic Discharge Prevention Unless controlled electrostatic discharge can destroy or weaken solid state electronic components and assemblies The exact conditions that present static damage hazards are generally unknown as are the methods of avoiding these hazards Static by definition is designating or producing stationary electrical charges such as those resulting from friction An electrostatic potential is produced by friction between nonconductive materials and can best be visualized as a field between two charged plates The electrostatic potential will exist until the difference in the potential is overcome The triboelectric scale shows the ability of nonconduct
14. This manual defines the JEM 10 meter specification and operation It is meant to provide operating instructions on using the meter Configuration parameters are dis cussed in more detail in the JEMSET Instruction Manual 1 2 JEM10 Meter Overview The JEM10 meter 15 a solid state polyphase multifunction meter for use in measurement of power measurement quantities The JEM10 uses the same analog time division multiplication circuit that is used in the time proven JEM 1 meter The JEM10 is available in several combinations of kWh kvarh kQh kV7h measurements for a variety of installations including socket base S base A base and switchboard case The JEM10 generates analog signals from the time division mulitplication circuits and integrates them to produce up to five pulse output signals including watthours varhours or Q hours and volt squared hours These pulse output signals are then sent to the CPU to be processed into various display registers and load profile data The meter can provide the analog and pulse outputs for external connection The JEM10 offers a large number of display register types that can be viewed from the meter s display or retrieved using serial communications Some of the register types include consumption summation peak demand time and date of peak demand coinci dent demand average power factor coincident power factor cumulative continuous cumulative registers and various status registers
15. blinking digit correct Save digit by pressing DISPLAY Is entire time correct NO Press SET amp DISPLAY to store time Is register preset onfigured7 Segment check display for 3 seconds Scrolling Register Display Meter Operation 51 m Register Preset The Register Preset option enables the user to set meter registers at a predetermined value for billing purposes This option is often used when meters are replaced allowing the user to set the new meter with the previous meter s register settings Register presets are available only if the configuration option is enabled in the meter Only consumption registers are available for preset Figure 3 6 The actual JEM10 register value is nine digits long A manual register can only preset the six digits displayed gt To preset the meter registers 1 Enter the Register Preset Mode from the Time Set Mode by simultaneously holding down the SET and DISPLAY buttons The first consumption register available for presetting appears on the meter display 65586 1 2 The first blinking digit 15 the selected digit that digit press the SET button To store this value and select the next digit in the sequence press the DISPLAY button 3 When the desired register value is reached save that register value by pressing the SET and DISPLAY buttons The meter scrolls to the next consumption register 4 If no other registers
16. calibrated to the transformer board Scientific Columbus recom mends that the meter be returned to the factory if changes to these boards appear to be necessary The JEM10 battery is designed to last the life of the meter under normal storage and usage conditions If the battery appears to require service or for more information on any JEM10 components call Scientific Columbus Technical Support staff at 800 274 5368 U S and Canada or 614 718 3870 5 2 Circuit Board Replacement The JEM10 meter design with its snap together boards requires few tools for mainte nance Caution All meter work must be performed at static protected work stations following properly prescribed static control practices Refer to Appendix C for more information Serial Comm Option Board remove the serial comm option board 1 Remove power from the meter 2 Ensure proper grounding for static protection 3 Remove the globe from the S base or A base meter or the cover from the switchboard case meter 4 Disconnect the two eight pin cables located on the comm option board 5 Disconnect the ground cable at the comm option board SCIENTIFIC COLUMBUS 76 JEM 10 Instruction Manual 6 Pullthe board away from the standoff connecting the comm option board and the power supply board The standoff remains attached to the power supply board 7 Squeeze the fingers at the top of the comm option board and carefully pull the board down to disco
17. external source of a dc current impulse to activate a photo transistor Minimum ON Voltage 10 V peak Maximum ON Voltage 40 V peak Maximum OFF Current 0 1 mA peak SCIENTIFIC COLUMBUS General Information 9 Test Outputs IRLEDS test outputs are to be provided through the optical port transmitter which becomes a test output when the meter is in the test mode Registers W Consumption Registers kWh Del kWh Rec kvarh Del kvarh Rec kvarh per quadrant V hour B Demand Registers Maximum Coincident Cumulative and Continuous Cumulative Demand kW Del kW Rec kvar Del or kQ Del kvar Rec or kQ Rec kvar per quadrant Q1 Q2 Q3 Q4 kVA Del kVA Rec B Instantaneous Demand kW Del kW Rec kvar or kQ Del kvar or kQ Rec kVA Del kVA Rec Time of Maximum Demand Records the time that a maximum demand occurred M Status Registers Store meter information time date firmware version comm setting and health status Storage Registers Available for most metering registers for Demand Reset and Season Change B Time of Use Four season schedules Nine day types including each day of the week and two holiday types Twenty year calendar with up to 200 holidays specified Each measurement register can be associated with one of five time of use rates A B C D and Total Up to eight rate changes can be specified for each day type B Load Profile Up to five channels of storage Programmable interval length 1 2 3 4 5 6 10 12 15 3
18. integrity battery operation power fail detection and pulse outputs is an important aspect of the JEM10 meter The following is a description of how various aspects of the meter including data integrity are handled during power loss B Power Supply Loss of power is detected by monitoring power supply signals and a power fail signal is sent to the register and pulse generation circuits The power supply pro vides enough margin to allow time for an orderly shutdown of register functions while insuring integrity of data B Register and Pulse Counting Prime requirements for the meter are that the register power down and restoration processes insure that no data is lost or altered because of the power interruption Implementation of the JEM10 design insures that each of these requirements is met Energy detected and accumulated by the measurement circuit which has not resulted in a pulse to the register is retained in the measurement circuit for at least 15 min utes during a power outage That is the partial pulse representing energy being accumulated will not be lost because of a short power outage Pulse output devices are forced to the open condition upon detection of an impending power loss After restoration of power for a sufficient time to allow the meter to resume normal operation the KYZ devices are restored to the same condition as before the outage without any other transitions of the contact devices Properly designed receivers fo
19. of the RS485 network turn the RS485 termina tors on by moving all four DIP switches of S1 to the ON position IMPORTANT In order for the meter to respond properly in RS485 mode it is necessary to change one of the communications timing parameters This configuration must be done in RS232 mode or via the optical port Using JEMSET change the RTS to TXD delay to at least 50 milliseconds It is permissible to use longer delay times if the application so requires but the minimum must be 50 milliseconds It does not matter which port is on the master side as both ports are effectively wired in parallel in this mode m RS232 to RS485 Conversion Mode RS232 to RS485 Conversion Mode is configured by placing the two 16 pin DIP jumpers into sockets and J4 This mode is appropriate for use where RS232 master will be communicating with JEM10 meters an RS485 network is the RS232 input on the master side COMM2 is the RS485 output on the slave side If this meter is on one of the ends of the RS485 network the RS485 terminators must be switched on by moving all four DIP switches of S1 to the ON position SCIENTIFIC COLUMBUS Meter Installation 33 Configuration The location of setup components is noted in Fig 2 18 The operating mode of the JEM10 CommRepeater is selected by placing jumpers in the appropriate sockets on the board Select the operating mode per Table 1 I METER CONNECTOR RS 485 TERMINATOR S
20. ports this option makes it possible to connect several meters to one common communications channel The JEM10 CommRepeater can be configured to operate as RS232 Repeater an RS485 Trans ceiver or an RS232 to RS485 Convertor The CommRepeater Option is also required when using DNP 3 0 Communications Protocol Firmware Refer to the JEM10 DNP Device Profile Document 1081 132 for further information on this protocol Multiple meter connectivity is obtained through two communications ports COMM 1 and COMM 2 Both communications ports are equipped with RJ 45 modular 8 pin connectors The CommRepeater Option supports the JEM10 query response type of communications where the querying station is the communications master and the JEM10 meter is the communications slave The JEM10 CommRepeater is not fully bi directional COMM 1 must be connected to the master side of the communications channel and COMM 2 must be connected to the slave side of the communications channel The JEM10 CommRepeater does not support dual master or peer to peer communications SCIENTIFIC COLUMBUS 60 JEM810 Instruction Manual Operating Modes a RS232 Repeater Mode In the RS232 Repeater Mode the JEM10 CommRepeater receives data from the COMM 1 port and transmits out of COMM 2 All meters share common Received Data RD Transmitted Data TD Ready to Send RTS Data Terminal Ready DTR and RS232 Ground GND signals Each signal is received by the JEM10 CommRe
21. quantity Indicates that a cumulative quantity is displayed REM COMM Indicates communications are being performed through the meter s COMM option Communications through the optical port are not possible if this is illuminated EOI Briefly flashes at the end of each demand interval SCIENTIFIC COLUMBUS 46 JEM810 Instruction Manual 3 3 Register Initialization To clear all register data a register initialization must be performed This procedure does not erase any of the configuration parameters or load profile data This may be done when a meter 15 first put in service To access the switches needed to perform an initialization the globe of the S base or A base meter or the front panel of the switchboard case meter must be removed To perform a register initialization gt Toperform an initialization on the meter simultaneously hold down the DISPLAY SET and TEST switches with power already applied to the meter After initializing the meter replace and seal the globe or front panel of the meter Cold Start If JEM10 boards have been replaced or meter firmware has been upgraded a cold start procedure must be performed A cold start erases all register load profile and configu ration data The communication parameters are set to defaults The meter will display a Normal Mode segment test indicating that a cold start has occurred A default configu ration is loaded into the meter after a cold start It
22. the summing circuit and filter The output of the multiplier is proportional to the input signal multiplied by itself An input of 120 V produces a 5 Vdc output The outputs of the multipliers are sent to two places The five channels are sent to the optional analog board mounted to the KYZ board and to the integrator portion of the metrology board B Integrators The JEM10 metrology board contains three independent charge balanced integrators operating in the voltage mode The integrators perform an analog to frequency conversion of the analog signals produced by the multipliers producing pulse rates proportional to energy Two of the integrators are bidirectional operating with positive or negative input signals from the first two multipliers The third integrator is unidirectional and is associated with the third multiplier A precision crystal controlled oscillator provides a common reference clock for the integrators The maximum pulse output rate of the integrators at nominal voltage class amps and unity power factor is 1 728 000 cph 480 Hz Other pulse rates are selected when external factors such as PT and CT ratios offset the value of each pulse The output pulse rate of each integrator is programmable via software The output of each integrator is then sent to the optional KYZ board and to the register board via their own programmable dividers thus enabling the user to per form calibrations at the meter SCIENTIFIC COLUMBU
23. 0 Each event can be set to call up to four different phone numbers Each phone number has a phone number type assigned to determine how the meter should respond to the phone number Each phone number can be assigned a Standard or Verbose setting MV 90 Data System Computer Computer Terminal r Serial Printer Figure 3 7 JEM10 Phone Home Modem 65631 1B SCIENTIFIC COLUMBUS Meter 57 The Standard operation is used when calling in to a computer retrieval system such as 90 that is set up to incoming meter phone calls The JEM10 commu nicates data required by MV 90 to establish an MV 90 session The Verbose operation can call the phone number and report the information without requiring any special processing software Once the meter establishes communica tions it will send across an ASCII response indicating the meter name and location the time of call and which events occurred This can be logged either by a computer running terminal emulation software or by a serial printer connected to the modem Below is a sample printout of two call originate messages from a JEM10 meter that lost Phase A potential for 15 minutes Phone Home ID 18 character user configurable identifier of meter location Indication of which programmed phone number is being called 1 2 3 or 4 ED Rens dq nid Description of events EAST CITY SUB reporting to station 2 b
24. 0 and 60 minutes 68K Load Profile memory size 70 days storage five channels 15 minute intervals SCIENTIFIC COLUMBUS 10 JEM810 Instruction Manual Communications Three levels of Password security access High Low None Baud rates up to 9600 baud Battery Life Expectancy Lifetime of the meter over operating temperature range RS 232 Specification Supports Tx Rx Gnd DTR and RTS signals Internal Modem Compliance CCITT V 32 bis V 32 V 22 bis V 22 and V 21 along with Bell 212A and 103 Speeds 9600 2400 1200 and 300 bps Industry Standard AT command set V 42 MNP protocols Error correction V 42 and MNP 2 4 Power Fail Controller Power Fail Controller option includes modem controller power manager board and battery 20 mA V Transmitter Output 2 7 Vdc maximum I 20 mA SAT V Receiver Input 2 75 Vdc maximum 20 mA ON Voc Maximum open circuit voltage compliance of current source 27 Vdc SCIENTIFIC COLUMBUS 2 Meter Installation 2 1 Physical Dimensions The following illustrations define the physical dimensions of the S base A base and switchboard case meters The S base and A base meters conform to ANSI standard forms i 8 30 J Measurement reference plane is the bottom of the socket base outer lip 1 39 PES eae 65015 2B Figure 2 1 S Base Meter Dimensions SCIENTIFIC COLUMBUS 12 JEM 10 Instruction Manual
25. 01 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 Quantity KWH DEL KWH REC KVARH DEL KVARH REC V2H KVARHQ2 KVARHQ3 KVARHQ4 INSTANTANEOUS KW DEL INSTANTANEOUS KW REC INSTANTANEOUS KVAR DEL INSTANTANEOUS KVAR REC INSTANTANEOUS KVA DEL INSTANTANEOUS KVA REC METER ID 1ST 6 DIGIT METER ID 2ND 6 DIGIT METER ID 3RD 6 DIGIT DEMAND INTERVAL SETTINGS OPTICAL PORT COMM SETTINGS FIRMWARE VERSION HARDWARE SETTING HEALTH STATUS NUMBER OF DEMAND RESETS TIME PRESENT DATE PRESENT INTERVAL TIME REMAINING SCIENTIFIC COLUMBUS Appendix 103 Display HHH HEE H HE HHH HHH HHH HHH HHH THE HHH HHH HHH HHH HHH HHH HHH HHH HHH HHH HHH HHH HHH HHH THHETHHE HHH HE HH HEE 104 JEM810 Instruction Manual Q METER DEFAULT REGISTERS Normal Registers ID 001 002 003 004 005 006 007 012 013 014 015 016 017 018 019 020 021 022 Quantity TIME PRESENT DATE PRESENT KWH DEL KWH REC KQH DEL KQH REC V2H DEL MAX KW DEL TIME OF PEAK KW DEL MAX KW REC TIME OF PEAK KW REC MAX KQ DEL MAX KQ REC MAX KVA DEL MAX KVA REC POWER FACTOR AT KW DEL MAX POWER FACTOR AT KW REC MAX AVERAGE POWER FACTOR SCIENTIFIC COLUMBUS Display THHHE tHE THHHE THE THHHE THE THHHE THE HH THHE HHH HHH HHH THHE HHH THHE HHH THHE HHH THHE HHH HHHH HHHH HHHH Alternate Registers ID 101
26. 102 103 104 105 106 107 112 113 114 115 116 117 118 119 120 121 122 Quantity TIME OF BPR DATE OF BPR KWH DEL STORAGE STORAGE DEL STORAGE KQH REC STORAGE V2H DEL STORAGE MAX KW DEL STORAGE TIME OF PEAK KW DEL STORAGE MAX KW REC STORAGE TIME OF PEAK KW REC STORAGE MAX KQ DEL STORAGE MAX KQ REC STORAGE MAX KVA DEL STORAGE MAX KVA REC STORAGE POWER FACTOR AT KW DEL MAX STORAGE POWER FACTOR AT KW REC MAX STORAGE AVERAGE POWER FACTOR STORAGE SCIENTIFIC COLUMBUS Appendix A 105 Display THHHE THE THHHE THE THHHE THE HH tHE THHHHEL dE HHH HHH HH HHH THHE HHH HH HHH HHH HHH HHH HHH HHHH HHHH HHHH 106 JEM810 Instruction Manual Test Mode Registers ID 901 902 903 904 905 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 Quantity KWH DEL KWH REC KQH DEL KQH REC V2H INSTANTANEOUS KW DEL INSTANTANEOUS KW REC INSTANTANEOUS KQ DEL INSTANTANEOUS KQ REC INSTANTANEOUS KVA DEL INSTANTANEOUS KVA REC METER ID IST 6 DIGIT METER ID 2ND 6 DIGIT METER ID 3RD 6 DIGIT DEMAND INTERVAL SETTINGS OPTICAL PORT COMM SETTINGS FIRMWARE VERSION HARDWARE SETTING HEALTH STATUS NUMBER OF DEMAND RESETS TIME PRESENT DATE PRESENT INTERVAL TIME REMAINING SCIENTIFIC COLUMBUS Display HHH HE HH HE HHH HHH HHH HE THHER THE HHH HE HH HE THHETHHE HHH HE HHH HE HHH HE Default DST Table APR 04 1993 02 00 00
27. BHB m s MK VAR asw CONC CUM REM RESET COMM mw ww Mutti Function lectric cirie DISPLAY SET DISPLAY SCIENTIFIC COLUMBUS SOBITIRE COLUMBUS e CNW P Meter Address 10 Meter Address 11 Meter Address 12 T R T R T Black Box Wiring T R LSI Telesystems Wiring OUT IN Current Loop Devices Available from third party suppliers To Modem or Computer Serial Connections 65630 1D Black Box is a trademark of Black Box Co LSI Telesystems is a trademark of LSI Telesystems Co Figure 2 17 JEM10 20 Connection Diagram SCIENTIFIC COLUMBUS 32 JEMe10 Instruction Manual CommRepeater Communications Module The CommRepeater Option can be set up in one of the following modes of operation Refer to Section 3 11 for application information m RS232 Repeater Mode RS232 Repeater Mode is configured by placing the two 16 pin DIP jumpers into sockets Jl and J2 In this mode COMMI must be connected to the master side of the communica tions link The master is the device that initiates communications For example it may be a PC or a modem that is accessed by a PC Slave devices such as additional JEM10 meters must be connected to COMM2 a RS485 Mode RS485 Mode is configured by placing the two 16 pin DIP jumpers into sockets J3 and J4 If the meter is at one of the extreme ends
28. ENT DATE PRESENT KWH DEL KWH REC KVARH DEL KVARH REC V2H DEL KVARHQ2 KVARHQ3 KVARH Q4 MAX KW DEL TIME OF PEAK KW DEL MAX KW REC TIME OF PEAK KW REC MAX KVAR DEL MAX KVAR REC MAX KVA DEL MAX KVA REC POWER FACTOR AT KW DEL MAX POWER FACTOR AT KW REC MAX AVERAGE POWER FACTOR SCIENTIFIC COLUMBUS Appendix A 101 Display HHFH HH THHHE HH THHHE HH THHHE 4HE THHHHEL dE THHHE 4HE THHHE THE THHHE THE THHHE THE HHH HHH THHE HHH THHE HHH THHE HHH THHE HHH THHE HHH THE HE THE HE HH THE 102 JEM810 Instruction Manual Alternate Registers ID 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 Quantity TIME OF BPR DATE OF BPR KWH DEL STORAGE STORAGE KVARH DEL STORAGE KVARH REC STORAGE V2H DEL STORAGE KVARHQI STORAGE KVARHQ2 STORAGE KVARHQ3 STORAGE KVARH Q4 STORAGE MAX KW DEL STORAGE TIME OF PEAK KW DEL STORAGE MAX KW REC STORAGE TIME OF PEAK KW REC STORAGE MAX KVAR DEL STORAGE MAX KVAR REC STORAGE MAX KVA DEL STORAGE MAX KVA REC STORAGE POWER FACTOR AT KW DEL MAX STORAGE POWER FACTOR AT KW REC MAX STORAGE AVERAGE POWER FACTOR STORAGE SCIENTIFIC COLUMBUS Display THHHE HH THHHE THE THHHE THE THHHEL IHE HH AE THHHE THE THHHE HH THHHE THE THHHE THE HHH HHH HHH HHH HHH THHE HHH HHH HHH HHH HHH HHH THE HE THE IHE THE HE Test Mode Registers ID 9
29. J E Me1 0 Polyphase Meter Instruction Manual Publication 15425 001 Revision N February 2001 AM ETE K POWER INSTRUMENTS Scientific 255 North Union Street Phone 888 880 5361 Columbus Rochester NY 14605 Fax 716 238 4947 WARRANTY Seller warrants its Equipment to meet applicable specifications if any and to be free from defects in material and workmanship for a period of one 1 year from date of shipment to the original Purchaser Upon receipt of prompt notice from Purchaser referencing the order number and detailing the claimed nonconformity or defect Seller shall at its option repair or replace the Equipment Equipment returned to Seller will only be accepted with a Returned Materials Authorization number RMA issued by Seller or one of its authorized representatives Inbound shipping charges to Seller s factory in Roches ter NY or other designated facility are the responsibility of Purchaser Normal shipping charges for the return to Purchaser of repaired or replacement Equipment shall be the responsibility of the Seller North American points only Repair or replacement of the Equipment in the manner described above is the exclusive warranty remedy and shall constitute complete fulfillment of all Seller s liabilities for breach of this Warranty Seller assumes no responsibility hereunder for any Equipment damage or failure caused by a improper installation operation and maintenance of the Equipment or b
30. JEM810 Instruction Manual 6 2 Hardware Function In reference to the JEM10 functional block diagram in Figure 6 1 each of the major hardware elements is described below Transformer Board The JEM10 transformer board provides the voltage and current signals used by the multiplier Located at the base of the meter it contains the voltage and current signal transformers The number of transformers and the connections to the base vary with the meter form The primary inputs to the JEM10 signal transformers are the transformer rated voltage and current signals from the service connection The secondary outputs of the signal transformers provide analog signals to the multiplier board proportional to the primary voltage and current inputs The signal transformers are actively unloaded to compensate for their losses The analog signals are passed to the multiplier board as currents to negate the contact resistance of connectors and to provide high noise immunity Multiplier Integrator Metrology Board The JEM10 metrology board mounts directly onto the transformer board It contains three independent multipliers with three corresponding integrators and support circuitry consist ing of a precision voltage reference and a triangle wave generator The metrology board receives the current signals from the transformer board and converts them to voltage signals of approximately 7 Vrms at class amps and nominal voltage B Multipliers Each multiplier is a
31. MODE RS485 TO RS232 REPEATER CONVERSION MODE MODE 1 COMM2 COMM2 COMM2 RD OUT TD RD B TD RD B 2 COMM2 TD IN COMM2 COMM2 TD RD A TD RD A 3 COMMI TD OUT TD OUT TD RD B 4 COMMI 5 COMMI DTR OUT DTR OUT 5 COMMI COMMI RTS B COMMI RTS OUT RTS OUT COMMI RD IN COMMI COMMI RD IN TD RD A 7 COMMI RS232 NOT ASSIGNED COMMI RS232 GND GND COMM2 RS232 NOT ASSIGNED NOT ASSIGNED GND 1 Analog Output Analog Output Analog Output Watts Watts Watts 2 Analog Output Analog Output Analog Output Reactive Reactive Reactive 3 Analog Output Analog Output Analog Output Volts Squared Volts Squared Volts Squared 4 Analog Output Analog Output Analog Output Analog Return Analog Return Analog Return 5 COMM2 DTR IN COMM2 RTS A COMMA RTS A COMM2 RTS IN COMM2 RTS B COMM2 RTS B Note The RJ 45 connector is the serial port The RJ 12 connector is the analog port SCIENTIFIC COLUMBUS 38 10 Instruction Manual Table 3 CommRepeater Terminal Connections for Switchboard Case Meters TERMINAL RS232 REPEATER RS485 MODE RS485 TO RS232 WIRE NUMBER MODE CONVERSION MODE COLOR COMM2 DTR IN COMM2 2 RTS A RTS A COMM2 RTS IN COMM2 COMM2 RTS B Yellow RTS B Analog Output Analog Output Analog Output Analog Green Analog Return Analog Return Return Analog Output Volts Analog Output Analog Output Volts Red Squared Volts Squared Squared Analog Output Analog Outp
32. OT ASSIGNED NOT ASSIGNED 3 5 1 2 3 5 1 Watts Reactive Volts Squared Analog Return Analog Return Analog Return SCIENTIFIC COLUMBUS 40 JEMe10 Instruction Manual SCIENTIFIC COLUMBUS Meter Operation 41 3 Meter Operation 3 1 Meter Faceplate and User Interface Meter Faceplate The faceplate displays general information about the meter including model number form class voltage frequency wiring configuration 3 W or 4 W test amps and the K test pulse constant in wh count There is also an area for the user to write in the CTR current transformer ratio VTR voltage transformer ratio and a multiply by field see Figure 3 2 User Interface Display Buttons There are four buttons located at the lower right of the meter s faceplate that make up the user interface or MMI man machine interface of the meter With the meter cover or globe in place the reset mechanism allows the user to press the DISPLAY button which will scroll through the meter s display registers It also allows the user to perform a Demand Reset if the reset mechanism is not in the locked position Lever 0 Switch Lock Shown in locked position DISPLAY QZ AO Or N 65566 1D Figure 3 1 JEM10 Reset Mechanism SCIENTIFIC COLUMBUS 42 JEM810 Instruction Manual With the meter cover or globe removed all four buttons are accessible to the user This allows
33. S Theory of Operation 89 Register CPU Board The register CPU accumulates pulse data provided by the integrator circuits and calcu lates volt amperes and power factor A microprocessor controlled by programmed PROMs firmware processes meter data into displayable registers of energy and reactive consumption demands and load profile information In addition to providing display registers and user interface the register handles serial communications I O through the optical port and an additional remote serial port option E Demands The register calculates all required demand quantities from the watthour and varhour or Q hour inputs from the metrology board B Volt Ampere Calculation Volt amperes are calculated at the end of each interval and are available as demand readings only Total volt amperes equal the square root of the sum of total watts squared and total vars squared W Power Factor Calculation A power factor is computed for the interval associated with the peak kW or The JEM10 meter has two types of power factor power factor coincident with peak demand and average power factor for the billing period Power Supply The JEM10 power supply board plugs into the transformer board and runs parallel to the multiplier integrator metrology Power is typically received from the phase A poten tial input on the transformer board Switchboard models have externally accessible auxiliary power terminals which may be conne
34. Test An E on the JEM10 s display indicates that a health condition is present and that the health status register should be viewed The JEM10 meter should never have a health status error however in the unlikely event the following information should be used to interpret the problem Contact Scientific Colum bus so the situation can be investigated SCIENTIFIC COLUMBUS 80 JEM 10 Instruction Manual r Registeria e sister Display s so Hoo LALA 90 Lagia La 5 I Loi a I Li 2 Lou Figure 5 1 JEMIO Register Display The health status register is interpreted by using the following charts Only the right five digits of the display are used An E on the JEM10 s display indicates that a health condition exists View the health status register and note the digit that is non zero Find the appropriate chart for the digit indicating a health status condition Locate the number and reference what error condition s it represents Digc3 mas 1 25 3 41 51517151 o mer jx xz x gt sena ee x x lt ss TIx x p jx xx X pM Checksum x x x dixi Tx x PIC Checksum PIC Init Failue ne Used SCIENTIFIC COLUMBUS Maintenance 81 Description of Health Items Register Data This indicates that a condition occurred that aff
35. WITCHES 1 TO RJ 45 JACK ON BASE 1 TO RJ 12 JACK ON BASE TO RJ 12 JACK OPERATING ON ANALOG BOARD MODE JUMPERS Figure 2 18 CommRepeater Module Component Locations Sa I I SCIENTIFIC COLUMBUS 34 JEMe10 Instruction Manual Table 1 Operating Mode Selection Desired Operating Mode Jumper Placement RS232 Repeater Mode J2 RS485 Mode J3 J4 RS232 to RS485 Conversion Mode J1 14 DIP Switch 51 is used to turn the RS485 line terminators or off If all four switches are in the ON position the terminators are switched in If the switches are in the OFF position the terminators are disconnected User Connections The user connections for the JEM10 CommRepeater are unique for this option There fore pin assignments for other options listed in Section 2 are not valid for the JEM10 CommRepeater option Pin outs of the RJ 45 and RJ 12 connectors for A Base and S Base meters equipped with the CommRepeater option are shown in Table 2 Pin outs for Switchboard Case meters equipped with the CommRepeater option are shown in Table 3 To simplify user connections the JEM10 CommRepeater comes equipped with a cable adapter that separates the signals into two separate communications ports and one analog output port One side of the adapter box has two connectors one RJ 45 serial port and one RJ 12 analog port Two cables are used to make the connection between the modular connectors on th
36. age I Standard s Current Tap N Number of Elements Applied For a 2 element meter 3 and N 4 Single element testing on a 2 2 element meter does not apply to this equation Note It is important that the zero adjustment is performed first before making any gain adjustments Zero Adjustments To perform a zero adjustment on the JEM10 open the current connections to both the JEM10 and MicroJoule Adjust the zero adjustment until the MicroJoule s digital null meter reads 0 00 Meter Range set to 10 Repeat this procedure for each of the analog outputs For V adjustments remove all voltage potentials from the meter and leave auxiliary power applied To perform this on A base and S base meters the auxil connection from the transformer base to the power supply board needs to be removed connector labeled P8 next to the MOV labeled VR1 The auxiliary power must be applied to connector 8 Gain Adjustments Apply full scale voltage and half class current to the MicroJoule and JEM10 meter Adjust the gain potentiometer until the MicroJoule s digital null meter reads 0 00 SCIENTIFIC COLUMBUS 74 10 Instruction Manual SCIENTIFIC COLUMBUS 5 Maintenance 5 1 Meter Assembly The JEM10 s communication option K YZ board and analog boards be changed in the meter shop with a few simple procedures Because the multiplier integrator board and power supply board are
37. ccurrence of this error can be investigated Load Profile Discrepancy This indicates that some problem occurred with the load profile storage SCIENTIFIC COLUMBUS 82 JEMS10 Instruction Manual SCIENTIFIC COLUMBUS 6 Theory of Operation 6 1 Technical Overview The JEM10 is an extremely accurate solid state multifunction meter based on the time proven measurement techniques used in Scientific Columbus original JEM Meter and in its most accurate transducers and calibration standards JEM10 offers new capabilities and new packaging S base A base and switchboard case in a design that provides maximum value metering solutions The JEM10 basic model measures watts and vars using an analog time division multiplication circuit first applied in Scientific Columbus Digilogic Transducers providing better performance with influence factors such as temperature load voltage frequency and harmonic distortion The multiplier integrator section receives the scaled voltage and current analogs from the transformer section and performs time division multiplication extraction of watt reactive and volt squared quantities These analog quantities are sent to the optional analog output board which produces bidirectional watts and reactive power vars or Q and volts squared These analog values are also integrated and converted to five pulsed signals watthours reactive hours and hours on the multiplier integrator boar
38. ch demand calculations are updated Time Time indicates hours minutes and seconds of a minute Total Registers Those JEM10 registers that are not TOU registers are called total registers The total registers always are active TOU Period A selected duration of time during which the consumption demand and other informa tion are assigned to a set of TOU registers TOU Rate Indicator Output A display segment that indicates the present TOU rate in effect TOU Register TOU register 15 a register of the JEM10 meter that for a designated TOU period accumulates and may display amounts of electrical energy demand or other quantities measured or calculated TOU Schedule The TOU schedule is a static externally configured database within the meter The data base contains information that allows the meter to determine the present period based upon the real date and time of the meter SCIENTIFIC COLUMBUS
39. cted to any suitable source of 60 Hz power The incoming voltage is transformed down through two isolated secondary transformer windings to appropriate levels Each is full wave rectified and filtered One isolated output feeds a precision three lead regulator which provides the regulated 5 V output needed by the meter s digital circuits An output signal is provided in advance of the regulator and used by the CPU for impending power loss detection This signal provides sufficient advance warning to the CPU for orderly shutdown sequences to take place on loss of power The other secondary winding is center tapped to provide two full wave rectified and filtered dc outputs of opposite polarity These outputs feed two precision three lead regulators which regulate plus and minus 15 Vdc respectively These supply the JEM10 s analog signal conditioning and computing functions SCIENTIFIC COLUMBUS 90 JEM810 Instruction Manual One side of the center tapped secondary winding s ac voltage is coupled through a signal limiter to a two stage low pass filter This arrangement produces a reliable noise free replica of the power lines fundamental frequency This clean signal is fed into a com parator employing balanced hystereses digital buffering and noise limitation and is delivered to the CPU for its time keeping options Power Loss Handling Handling of loss of ac power including considerations of the power supply register memory data
40. ctivate Password Change Y Binary Read Register JEM2 specific Read Normal Registers Read Alternate Registers Read Test Registers Read All JEM10 Registers Read Normal Registers Descriptive Read Alternate Registers Descriptive Read Test Registers Descriptive Read All Registers Descriptive Health Check JEM2 specific Health Check JEM 10 specific Time Set JEM2 specific Time Verify Current Time Time Verify Time of Last Freeze Time Verify Time of Last Demand Reset Time Set JEM10 specific Verify Config DST Information Verify Config TOU Special Dates Verify Config Register Definition Verify Config Reg Display Info Verify Config Load Profile Info Verify Config Phone Home Modem Verify Config Comm Parameters Verify Config Demand Interval Verify Config Misc Info Verify Config Modem Info SCIENTIFIC COLUMBUS Password Required LO LO LO LO LO LO none HI none none none none HI none none none none none none none none none LO LO HI none none none HI LO LO LO LO LO LO LO LO LO LO Appendix D 117 CMD EXT Description Hardware Key Password Required Required 56 10 Verify Config Pulse Dividers LO 56 11 Verify Config Configuration ID LO 56 12 Verify Config TOU Rate Schedule LO 56 13 Verify Config TOU Enable LO 56 14 Verify Config Misc Demand Info LO 56 15 Verify Config Mode Timeouts LO 56 16 Verify Config Register Algorithms LO 57 01 Prese
41. cuit voltage compliance of current source 27 Vdc SCIENTIFIC COLUMBUS 56 JEM810 Instruction Manual The baud rate is programmable 300 1200 2400 or 9600 baud and can be set with the JEMSET configuration software program Twisted pair or shielded twisted pair wire is recommended for 20 mA loop hookup Internal Modem Option Answer Modem The JEM10 internal modem can be programmed to determine the number of rings required before answering An answer window which restricts the modem to answer only during certain times of the day is also programmable The modem will connect at any baud rate lower than the maximum 9600 baud The modem supports off hook detect in both Answer and Call Originate Modes based on the position of jumper JP3 located on the modem board With the jumper removed off hook detect is enabled This will cause the JEM10 to drop the line of a data call if a local phone receiver goes off hook The operation of this is dependent upon the ringer equivalence of the phone sharing the line with the JEM10 The phone should have a ringer equivalence of 1 0 A Phone Home Modem The JEM10 internal modem has the capability of performing call originate phone home calls The meter can be programmed to call originate as a result of certain events including meter auxillary power restoration low battery demand threshold phase loss phase restoration health check and on a scheduled call in for data retrieval as supported by MV 9
42. d These five pulse signals are sent to the optional KYZ board which produces standard Form C outputs and to the register CPU board The CPU board accumulates pulsed data from five inputs and stores it in the load profile buffer along with various events Up to 40 days of five channels of data using 15 minute intervals can be stored along with an average number of events This data is available to various data systems through either of the two serial ports The CPU also processes the five pulse inputs and stores a variety of configured along with all other meter variables through a proprietary software package called JEMSET SCIENTIFIC COLUMBUS 84 JEM810 Instruction Manual Register data 15 available in of three modes Normal Alternate and Test through the LCD display on the meter or through one of the two serial ports In addition to the analog and K YZ optional outputs alarm and status signals are available through the K YZ interface board Two serial ports are available on every JEM10 meter An optical port is available through the meter front panel and is standard on all three package configurations and an optional RS 232 port or optional 20 mA is available through rear connectors or terminal strips The meter s configuration is completely programmable through an intuitive PC based software package called JEMSET JEMSET allows the user to configure load profile storage demand and consumption registers display con
43. d by the user the Test Mode timeout will return the meter to Normal Mode in a programmable number of minutes as set with JEMSET 3 5 Setting the Date Time and Presetting Register The date and time on the JEM10 meter can be set either through the MMI or through serial communications through the JEMSET software gt m Date Set To set the date on the meter 1 2 Remove meter globe front panel To enter the Date Set Mode press the SET and DISPLAY buttons The date appears as YY MM DD The first digit in the line blinks Blinking digits are selected digits 65584 1B To increment the blinking digit press the SET button To record this value and select the next digit press the DISPLAY button Continue selecting and incrementing digits until the desired date has been configured When the last digit has been changed press the SET and DISPLAY buttons The meter automatically enters the Time Set Mode SCIENTIFIC COLUMBUS Meter Operation 49 m Time Set gt To change the time in the Time Set Mode Figure 3 5 1 Remove the globe or meter front panel 2 Enter the Time Set Mode from the Date Set Mode Simultaneously hold down the SET and DISPLAY buttons to enter the Date Set Mode After necessary changes are made in the Date Set Mode if any simultaneously hold down the SET and DISPLAY buttons a second time to enter the Time Set Mode 3 The time appears as HH MM SS The blinking digit is
44. d each day type can consist of up to eight TOU period changes TOU Demand Registers The TOU demand register performs demand calculations during a TOU period based on energy used during that period When a TOU period changes the demand interval closing times are not related and may not coincide When the present period TOU schedule changes demands are restarted The meter will accumulate demands from the beginning of the most recently activated TOU schedule The meter will not carry remaining partial interval data forward to a future TOU register calculation TOU Specification Summary The TOU schedule accommodates a 20 year calendar of holidays automatic daylight saving time changes and leap year changes SCIENTIFIC COLUMBUS Theory of Operation 95 Number of holidays 200 Season changes year 4 Day types 9 Rate changes day 8 Rate types 4 plus total Automatic demand reset At TOU season change or specified day Seasons B Change The season change date occurs at the midnight immediately before a given season start date A season rate schedule is in effect until the next chronological season start date Demand registers normally modified by a demand reset are modified when the season change occurs only if an automatic demand reset 15 scheduled at the season change A seasonal storage register may receive any demand register value at the time of the change Storage Registers The meter displays registers identical to demand
45. d with its receptacle on the KYZ board and align the board connector carefully Snap the board into place by applying pressure directly on the connector Follow by aligning the standoffs at the top of the KYZ board with their receptacles on the KYZ board Snap the board into place by applying pressure directly on the standoff pins KYZ Board remove the KYZ board 1 2 3i Remove power from meter Ensure proper grounding Remove the globe from the S base or A base meter or the cover from the switchboard case meter Remove the comm option board Remove the register assembly as previously outlined Unplug the two KYZ cables from the KYZ board Disconnect the ground cable from the transformer board Disconnect the board from the power supply and integrator multiplier board by carefully pulling the board in an outward direction Squeeze the fingers at the base of the KYZ board and carefully lift the board out of the transformer board at the base 10 Place the KYZ board on an antistatic mat SCIENTIFIC COLUMBUS 78 JEM 10 Instruction Manual the KYZ board 1 Snap the KYZ board into position in the transformer board by squeezing the fingers on the base of the KYZ board and inserting them into the appropriate slots in the transformer board Connect the KYZ board to the power supply and multiplier integrator board Reconnect the two KYZ cables and the grounding cable Re
46. demand calculations is suspended This parameter can be set up through JEMSET SCIENTIFIC COLUMBUS Theory of Operation 93 E Load Profile An event is stored in load profile memory to mark the power outage The event is stored only if the power loss is longer than the configured time of a power outage definition The event consists of the time that the power outage occurred the point that it was restored and the identification of the event itself Event storage is com patible with JEM 2 Binary Protocol data storage and the meter is compatible with JAV Data System Retrieval If an event was scheduled to occur during the time of the power down the meter will not create the event as if it occurred at that time as this would create a discontinuity in the power fail record itself For example a billing period reset event scheduled during the time of the power down should be executed and inserted in the event record at the earliest reasonable opportunity after complete power restoration Some events recorded in the meter s loadprofile memory create pre event and post event partial intervals This type of event includes time sets power outages limited resets communications freeze daylight saving time adjustment and any other event which is recorded in the meter s load profile memory Hm Test Mode The meter will exit Test Mode on any power fail condition When power returns the meter returns to normal metering condition and displays nor
47. djust Var Q Gain Adjust 65639 1A Figure 4 3 JEMIO0 Analog Output Option Adjustments SCIENTIFIC COLUMBUS 72 JEM810 Instruction Manual To calibrate the analog output on the JEM10 meter a precision standard should be used The MicroJoule Models 6255 6353 or 6253 with null meters provide an excellent way of performing analog calibration If a MicroJoule with a digital null meter display is not available a precision standard should be used with an external null meter bucking the standard against the meter output Follow the same adjustment procedures Connect the analog output of the JEM10 to the MicroJoule as shown in Figure 4 4 The precision resistor tolerance of 025 or better is selected based upon the MicroJoule voltage and current taps along with the voltage and current range of the JEM10 meter MicroJoule Models 6255 6353 or 6253 MicroJoule Digital Null Meter Standard Section Shorting Bar Analog Output on JEM10 Analog Output on JEM10 p 65638 1B Precision Resistor Figure 4 4 Analog Test Setup Using Micro Joule SCIENTIFIC COLUMBUS Test amp Calibration 73 To determine the precision resistor RI the following equations should be used For W Var or Q tests _ V x InX Nm E x1000 Vix L x For V tests Vn Ri x 1000 Where V Nominal Voltage Rating of Meter I Class of Meter Number of Elements of Meter V Standard s Volt
48. does not apply to the volt squared hour function The meter will begin to register at loads equivalent to 0 05 of full scale Full scale is defined as class amperes rated voltage and a power factor set for maximum accumulation times the number of elements B External Magnetic Field Less than 0 1 influence of reading with 100 A turns of 60 Hz current six inches from the center of the meter in any direction M Isolation From each voltage or current circuit or 2500 Vac minimum auxiliary power circuit to all other circuits 60 Hz 1 minute terminals and case From each optically isolated circuit pulse 1000 Vac minimum 20 mA comm to all other circuits 60 Hz 1 minute terminals and case From circuits connected to meter internal 1000 Vac minimum circuit ground analog output RS 232 to 60 Hz 1 minute case not isolated from one another From modem phone line inputs to case 225 V peak minimum KYZ pulse outputs 1000 V To all other circuits terminals and case B Surge Ratings This design meets the transient tests as specified by the newly developed ANSI standards Power Circuits ANSI C37 90 ANSI C62 41 IEC 687 KYZs ANSI C37 90 Analog Outputs ANSI C37 90 excluding fast transient tests Communication Circuits ANSI C37 90 excluding fast transient tests SCIENTIFIC COLUMBUS 8 JEM810 Instruction Manual B Surge Failure Definition Any function of the meter ceases to operate correctly after application of
49. e adapter box and modular connectors on the A base and S base meters Refer to Figures 2 19 and 2 20 The adapter box can also be used with pigtail cables for terminal block connections on switchboard meters as shown in Figure 2 21 With the adapter box connected the pin outs of the three sockets are shown in Table 4 The pin outs of the adapter box make it possible to connect meters together with standard straight through cables terminated with RJ 45 jacks When used in the RS232 mode the Scientific Columbus RJ 45 to 9 D connector cable may be used to connect the meter from to a personal computer or modem SCIENTIFIC COLUMBUS Meter Installation 35 CommRepeater Adapter ERJ 12 Ro Analog es R453 Comm 2 E 14 ERJ 45 Ras Comm 1 E Serial Port S Base Rear View Figure 2 19 CommRepeater Adapter Comm 1 RJ 45 Comm 2 RJ 45 Analog RJ 12 Part No 1080 841 A Base Side View Figure 2 20 SCIENTIFIC COLUMBUS 36 JEM 10 Instruction Manual 20N N3 000 20000000 30 Pigtail CommRepeater Cables Adapter ee Analog Part No 1080 841 Switchboard Case Rear View Figure 2 21 SCIENTIFIC COLUMBUS Meter Installation 37 Table 2 CommRepeater Pin outs for A Base and S Base Meters at the Meter Socket Connectors CONNECTOR RS232 RS485
50. e bottom chart represents the total amount of load profile storage as ready by JAV JAV is limited on the amount of load profile data that it can retrieve A load profile response size which only affects JAV load profile retrieval can be set within JEMSET Refer to Section 6 4 for load profile theory of operation Number of Channels Interval Length minutes 36 28 10 12 15 347 176 118 89 70 60 1225 652 444 337 270 Maximum Number Days Load Profile Storage Retrieved with MV 90 Number of Channels a fe ps 60 664 353 240 182 147 Maximum Number of Days of Load Profile Storage Retrieved with JAV 38K Load Profile Response Size SCIENTIFIC COLUMBUS Meter Operation 55 3 10 Serial Communication The JEM10 meter supports Scientific Columbus binary protocol The communications are a command oriented protocol sent at no parity eight data bits and one stop bit The JEM10 comes with an optical port on the front of the meter and an optional communica tions port that can be either RS 232 20 mA or internal modem Optical Port Communications The optical port located on the meter face supports all serial communication with JEMIO A test pulse called the K is available at the optical port when the meter is in Test Mode The optical port operates from the optical transmitter and receiver mounted on the meter display board The optical signal is passed through a lens on the
51. ected the meter registering information Config Error Some configuration parameter was improperly sent The meter should be cold started and reconfigured For complete diagnosis of this error contact Scientific Columbus and provide a copy of the configuration file Restart Error A restart error indicates that an unexpected restart occurred on the meter A Billing Period Reset will clear this error Power Fail Critical An error occurred during a power outage A Billing Period Reset will clear this error PROM Checksum This indicates that the PROM Checksum is incorrect This could indicate a faulty component used to store program information Perform a Billing Period Reset to clear the error If the error repeats replace the firmware memory chip with the latest version of JEM10 meter firmware available from Scientific Columbus Clock Status An error occurred with the real time clock of the meter Hardware Error This indicates that some internal hardware within the meter failed RAM Error This indicates a problem with internal RAM to the JEM10 meter Battery Time This indicates that the total time in hex years running on the battery has exceeded ten years where A 10 years B 11 years C 12 years etc PIC Checksum This indicates that some problem exists with the metrology board of the JEM10 meter Perform a Billing Period Reset to clear the error If the problem continues contact Scientific Columbus so the o
52. ector Part Number 15387 001 4195 475 4195 528 Color code for Scientific Columbus RJ 45 to pigtail cable part number 15387 001 Color code for Scientific Columbus cable part number 4195 528 Switchboard Case Serial Port Connections Meter Options Connections External RS 232 Pinout Connections Switch Color RS 232 20 mA Internal i External i External board Code Option Option Modem Modem Modem Pinout E DB9 M 0825 fom je im em fom mem mom mo NG 34 BLK ET RTS 31 YEL TES o 30 BLU nd 29 BRN T C Part Number 15387 001 4195 475 4195 528 Color code for Scientific Columbus RJ 45 to pigtail cable part number 15387 001 Color code for Scientific Columbus cable part number 4195 528 SCIENTIFIC COLUMBUS 30 JEM 10 Instruction Manual S Base Rear View A Base Side View 291135 30 436 65600 1 Switchboard Case Rear View Figure 2 16 Serial Comm Port Location SCIENTIFIC COLUMBUS Meter Installation 31 TR 1 120V 60Hz 3W 25 BBB HBBHBHB m MK VAR eus tm HS Be ce c SN 00 000 000 M10 CTR er y FMSS CL10 120V 60Hz HBH HHHHH ALT E SET A sm MK VAR ssa pub EU Gm ma SN 00 000 000 by HBHBHB
53. ee K SCIENTIFIC COLUMBUS Meter Installation 25 2f i PINZ4 PINZ3 vv p LIA EE geng EEE nn nen eng S Base Rear View A Base Side View 2 24 65598 1 Switchboard Case Rear View Figure 2 14 KYZ Port Location SCIENTIFIC COLUMBUS 26 JEM 10 Instruction Manual Analog Output The meter transmits analog output signals from the analog output option board Three current output signals can be supplied to panel meters or RTUs for SCADA applications The return signals have a common connection Each analog output is proportional to one of the basic measured quantities watt var or Q and volt squared The signals are bidirectional when the meter is specified with a bidirectional function The signal level will be 2 4 mAdc at full scale nominal voltage and class amperes polyphase watts var and Q For volts squared the signal is 1 2 mAdc at nominal voltage input The analog output port is a six pin modular jack located next to the communication option port at the base of the meter Figure 2 15 Analog Output Port Location Diagram illustrates that the analog output port is located at the back of the S base meters and on the left side behind the globe facing the meter s display on A base meters The RJ 12 connector is the smal
54. eing reported Time of Call 05 01 95 14 35 ERES ie STE ka PHASE A OUTAGE Time of call in the format month day year hour minute Next phone home event p EAST CITY SUB reporting to station 2 Se Time of Call 05 01 95 14 50 Da PHASE A RESTORED 65629 1A Figure 3 8 Sample Printout of a Verbose Mode Phone Home Session The internal modem supports a retry scheme that will prevent the modem from making unneccesary phone calls A description and how to define the retry scheme are included in the JEMSET Instruction Manual All of these capabilities can be performed at any baud rate up to 9600 baud The phone home modem will also select an appropriate data rate up to 9600 baud SCIENTIFIC COLUMBUS 58 JEM810 Instruction Manual FCC Compliance of the Internal Modem This equipment complies with Part 68 of the FCC rules governing communications devices On the outside of the meter is a label that contains the FCC registration number and Ringer Equivalence Number REN for this equipment This information must be provided to the telephone company if requested This equipment should be connected to a USO CRJ11C service jack The REN is used to determine the quantity of devices which may be connected to a telephone line Excessive REN s on the telephone line may result in the devices not ringing in response to an incoming call In most cases the sum of the REN s should not exceed five To be certain of the
55. ement for percent of reading registration accuracy at a specified set of conditions or range of conditions For the JEM10 meter the calibration accuracy is the maximum absolute error allowable for conditions of nominal voltage power factor frequency and temperature over a range of current load between 10 percent and 100 percent of full scale class current Class Class Amps The maximum current for which a meter 15 specified to operate within its accuracy rating Nominal voltage and unity power factor are assumed Daily Schedule The daily schedule is an array of times and rates and it determines the moment at which a TOU period changes SCIENTIFIC COLUMBUS 120 10 Instruction Manual Demand Deferral A period immediately following a power outage during which demands are not calcu lated It is determined by the number of demand interval closures following the power outage Demand Reset A scheduled or user initiated event that causes maximum demands to be zeroed and certain other calculations to occur Full Scale A reference condition corresponding to the highest rated value of a given measurement For watts this condition occurs at nominal rated voltage class current rating and unity power factor For vars full scale is at nominal voltage class current and zero power factor Holiday For TOU purposes a holiday is a date contained in the holiday schedule Holiday Schedule A holiday schedule is an array of da
56. er Quantity Name Value Field User ID Field TOU Rate indicators Mode Indicator Potential Voltage indicators Reactive var Q Qty Label Load Rate indicator Direction indicators 65582 1D Watt Load Rate indicator Figure 3 3 JEM10 LCD Explanation Display Labels User ID Field A user definable numeric field to identify register Mode indicator Indicates present display mode of the meter Alternate Register Mode Test Mode Normal Mode or Set Mode Quantity Label Provides descriptive information about the present meter quantity reading Direction indicator Indicates watt and reactive quantity direction SCIENTIFIC COLUMBUS 44 JEM810 Instruction Manual Watt Load Rate indicator Flashes at a rate proportional to the present load It s updated at the meter s display rate and should not be used for timed test Reactive Load Rate indicator Flashes at a rate proportional to the present reactive load It s updated at the meter s display rate and should not be used for timed test Potential Voltage indicators Indicate voltage applied for each of the three phases TOU Rate indicator Specifies the time of use rate in effect A B C or D Eis unused Value Field Displays the current register value for the selected register Quantity Name Specifies units presently displayed 65583 1F Test indicator Alternate Mode indicator Error indicator Set Mode indicator P
57. evel the potential indicators may be partially on Load Rate Indicators Load rate and direction indicators are extinguished during a power loss condition B Elapsed Time On The Battery Evaluation of elapsed power outage time is used to determine the time that the battery has been exposed to power drain After each power outage the quantity is updated by adding the time of that particular power outage to the total battery operat ing hours This information can be used as an indication of the need to replace the battery which is used to maintain critical memory data The JEM10 battery is designed to last the life of the meter based on normal power outage frequency B Time Keeping During Power Outage During a power outage the time of the outage condition is recorded to a nonvolatile memory Upon restoration of ac power the elapsed time of the outage is used to adjust the time clock of the meter and to make adjustments for other events that would have transpired during the elapsed time had the power not failed SCIENTIFIC COLUMBUS 92 JEM810 Instruction Manual B Handling of Demands During and After a Power Outage For purposes of describing demand handling during power outages some definitions of power fail conditions are necessary because the handling of data depends on the length of the power outage A user definable time minimum power outage defini tion is available A power outage is recognized only after this time exp
58. ex ceeded or when a phase potential is lost There is a fixed five minute lockout for the Alarm and Status Outputs after a loss of power or a meter re configuration The JEM10 meter will not monitor these outputs until five minutes after a power outage or a meter re configuration An end of demand interval output closes the contact for one second at the end of each interval closure For demand threshold the register monitored and threshold value must be programmed into the meter with the JEMSET software A fixed five percent hysteresis value is applied to the measurement to prevent output chatter When a demand threshold is reached the contact will close The contact remains closed until the load drops five percent below the threshold level For example a demand threshold that exceeds 500 kW will not turn off until it drops below 475 kW For potential loss any loss of any expected phase will cause the contact to open i e Phase A and C for two element meters and Phases A B and C for three element meters The contact will also open if auxiliary power is lost SCIENTIFIC COLUMBUS 54 JEM810 Instruction Manual 3 9 Load Profile The JEM10 meter is capable of storing up to five channels of load profile data depending upon the model number The charts below represent the amount of days of storage based upon the number of channels and interval length The top chart represents the total amount of load profile storage as read by MV 90 th
59. figuration communication proto cols and many more features Each meter comes with a default configuration allowing instant operation of meters as they are first installed This default configuration can be overridden by downloading a new configuration file from JEMSET through either of the two serial communication ports JEM 10 also can be purchased with a 9600 baud modem with a call home on power outage feature This board is installed in place of the serial communication option board Finally JEM10 communicates with various data systems including Scientific Columbus JAV and the widely used MV 90 system supplied by Utility Translation Services UTS Both systems read load profile register and health check data Note For more information about MV 90 call Utility Translation Services at 919 876 2600 For more information about JAV call Scientific Columbus at 800 274 5368 U S and Canada or 614 718 3888 SCIENTIFIC COLUMBUS Theory of Operation 85 Pulse Outputs KYZ Alarm Status Outputs Serial Communications Analog RS 232 20mA Outputs Digital Inputs or Modem KYZ Board Comm Options Metrology Multiplier i Integrator LCD Display Transformer 3 Voltages Register MMI 3 Currents CPU Display Aux Power 4 Pushbutton Supply Switches 1 Voltage Optical Port 65570 2D Figure 6 1 JEM10 Functional Block Diagram SCIENTIFIC COLUMBUS 86
60. he products total watts of the input signals The watt output is 10 Vdc for full scale inputs of nominal voltage and class amps at unity power factor The output is bidirectional and is positive for power delivered Var Function The second multiplier may be configured for either var or Q functions When configured for the var function the multiplier uses active phase shifters to obtain a 90 phase shift of the voltage signals before the multiplication The 90 phase shift is accomplished in two steps An operational amplifier circuit initially provides a 90 phase shift but also inverts the signal To compensate for this inver sion an additional 180 phase is implemented by wiring the electronic switch controls complimentary to the wiring for the watt function This provides the correct 90 phase shift From this point the operation of the var multiplier is identical to that of the watt multiplier The output of the var multiplier provides a dc voltage that is proportional to the product of the per phase input signals and the sine of the angle between them The var output is 10 Vdc for full scale inputs of nominal voltage and class amps at 90 The output is bidirectional and for lagging vars the output is positive Q Function The JEM10 implements the Q function by the proper cross phasing of the voltage and current signals to obtain an effective 60 lag in polyphase connections This cross phasing is internal to the meter and no exte
61. including date time health status and firmware version The JEM10 has time of use capabilities Each register can be associ ated with a particular time of use rate The meter has an internal pulse recorder for storing load profile data This provides up to 70 days of pulse data storage for the five quantities of data being stored at 15 minute intervals Special events such as power failures timesets and demand resets are also SCIENTIFIC COLUMBUS 2 JEM810 Instruction Manual stored in the load profile data This data can be retrieved through serial communications by using Scientific Columbus JAV software or by MV 90 supplied by UTS Serial communications are performed through an optical port on the front of the meter and a communication option board RS 232 20 mA or the 9600 baud internal modem The meter has two levels of password protection to accommodate read only applications A hardware key is also provided with the meter which if removed prevents any configu ration or calibration changes The JEM10 is software configureable using the JEMSET software This software allows the meter to be scaled for direct primary readings demand information register informa tion load profile configuration and time of use rates Refer to the JEMSET manual for details on all the different parameters that can be programmed into the JEM10 MV 90 is a trademark of Utility Translation Systems Inc 919 876 2600 Pulse Outputs
62. interval length This length in minutes determines evenly the frequency of pulse information storage for each channel Interval length can be any number divisible into 60 minutes The load profile intervals resemble demand intervals but can be set independently The interval closures occur on even increments within the hour For example a 15 minute interval will begin on the hour and will close at 00 15 the next interval will close at 00 30 the next interval will close at 00 45 etc At the end of each interval the meter records the number of pulses accumulated since the last load profile interval closure or special event When the load profile data storage memory is full the meter will overwrite the oldest information The number of days of storage available is determined by the load profile interval length and number of channels stored Storage also depends on the data system used Scientific Columbus JAV data retrieval program can retrieve a limited amount of load profile data as the meter emulates a JEM2 meter when interrogated by JAV MV 90 or other data systems designed to fully implement the storage capability of the JEM10 meter are not limited by this restriction Load Profile Event Data Storage The JEM10 meter records special event type stop time and start time into load profile data storage Because these events are recorded directly to load profile the amount of load profile accumulation between or up to each event is also rec
63. ires The range of minimum power outage definition is from zero near instantaneous to one minute Handling of demand data is described below for both momentary power fail and power outage Power Fail A momentary loss of ac power less than the user configured minimum power outage definition For purposes of calculating a demand data accumulated in an interval or subinterval prior to the outage is carried over into the continuing calculation for demand for the present or next interval as if the power loss had not occurred In the event that an interval would have ended during the time of the power loss demand will be calculated as if the interval had ended using data that was recorded If Demand Deferral is configured it will not be activated by a power fail shorter than the power outage defined Also a power fail event is not recorded in load profile memory Power Outage Any power loss that exceeds the configured minimum power fail time Demand calculations are handled the same as Power Fail listed above unless Demand Deferral is enabled In this case demand calculations use only data accu mulated before the power outage All data accumulated after power is restored is ignored for the number of interval closures programmed for the Demand Deferral parameter A power outage is recorded in load profile memory Demand Deferral Demand deferral is defined as the number of interval closures after a power outage for which data collection for
64. is advisable to configure the meter using JEMSET configuration software to set the meter for the specific application To perform a cold start To perform a cold start simultaneously hold down the DISPLAY SET and TEST switches while applying power to the meter The default communication parameters are Optical port baud rate 9600 Optical port address 02 Comm option baud rate 1200 Comm option address 01 High level Password 000000 Low level Password 000000 Warning Performing a register init or cold start will cause loss of data SCIENTIFIC COLUMBUS Meter Operation 47 3 4 Register Display Modes The JEM10 can display a large number of display registers The registers can be grouped in different display modes including Normal Alternate and Test Normal Mode is the normal display mode of the meter If Scroll Mode is enabled the Normal Mode registers are scrolled through at a user configureable rate Up to 50 registers can be displayed in Normal Mode Alternate Mode registers allow access to registers that are not displayed in the Normal Mode These registers are not directly accessible to the meter reader and are a conve nient register group to display storage registers Up to 50 registers can be displayed in Alternate Mode Test Mode is used for testing the accuracy of the meter Refer to Chapter 4 0 Test amp Calibration for a complete explanation of Test Mode Note When in Test
65. itialization It must be initiated from the meter B Demand Reset Indicates the time of storage register updates and register clearing This command can be initiated from the meter or through serial communications Load Profile Retrieval Load profile information retrieval can be performed only through serial communications Retrieve data with Scientific Columbus JAV software or by UTS MV 90 software linking with either the direct optical direct RS 232 20 mA current loop or a modem The protocol that determines the information transfer method is public domain and can be obtained from the factory Scientific Columbus Technical Support staff recommends that only experienced programmers fluent in communication interfaces undertake such a task The user can retrieve load profile information by requesting a specified number of days of data The data system requests either all load profile data or a partial read by requesting the number of days to download The meter also can perform a partial read of up to 40 days of data The meter will download requested data oldest information first and SCIENTIFIC COLUMBUS 98 JEM810 Instruction Manual transmit the data in 64 byte packets After each packet is sent the meter waits for an acknowledgment indicating that the previous information was received properly After receiving the acknowledgment the meter will send the next information packet When the data system retrieves requested infor
66. ive materials to acquire electro static charges Triboelectricity is an electric charge developed on the surface of a material by friction The materials labeled positive will take on a positive charge every time they come in contact with material lower on the scale Caution All meter shop work must be performed at static protected work stations following properly prescribed static control practices Failure Mode Failure of a solid state component due to static discharge is characterized by partial or complete destruction of a semiconductor junction or a microscopic resistive or capaci tive element within a circuit device Failure is most common in CMOS very low energy devices SCIENTIFIC COLUMBUS 112 JEM 10 Instruction Manual Destruction of a circuit is immediately detectable and is remedied by normal trouble shooting and repair methods However the fairly common condition of partial damage induced by low level static discharge is not immediately detectable Thus the damaged component may continue to operate normally but in a weakened state Repeated expo sure of the same component to similar low levels of static discharge may produce cumulative damage ultimately leading to failure Static damage can be avoided by practical methods accessible to anyone handling solid state components or assemblies Completely assembled products are only minimally vulnerable to static damage and then only under the most severe of sta
67. ler of the two connectors on the meter On a switchboard case meter the connections are on terminal positions 23 to 28 The color codes referenced in the Analog Output Connector Pinouts Table below are for the Scientific Columbus RJ 12 to pigtail cable part number 15389 001 Analog Output Connector Pinouts A Base S Base Switchboard Case Color Code Function Analog Out 1 Watt 26 Red Analog Out 3 x a 25 Gn jAmalog Out Return SCIENTIFIC COLUMBUS Meter Installation 27 S Base Rear View A Base Side View 24 Vea 65599 1E Switchboard Case Rear View Figure 2 15 Analog Output Port Location SCIENTIFIC COLUMBUS 28 JEM 10 Instruction Manual Serial Communications The serial communications option signals are accessible from an RJ 45 eight position modular jack located at the base of the A base and S base meters On switchboard case meters the signals are accessible from the options connector located on the back of the case The serial communications option can be either RS 232 20 mA or modem A standard eight pin modular RJ 45 to RJ 45 is the standard cable used for communicating to a JEMIO through the option board Scientific Columbus offers connectors to convert the RJ 45 plug for a variety of applications including direct PC and modem connections Refer to Ap
68. llation 17 Form 5 2 Element 3 Wire Delta Aux Pwr a 3 Phase 3 Wire Delta A ggo gt 65057 10 Front View Figure 2 8 Form 5A Wiring Diagram SCIENTIFIC COLUMBUS 18 10 Instruction Manual Form 6A 21 Element 4 Wire Wye Aux Pwr B 3 Phase 4 Wire Wye mz r U gt Or 65061 1C Front View Figure 2 9 Form Wiring Diagram SCIENTIFIC COLUMBUS Meter Installation 19 Form 9 3 Element 4 Wire Wye 3 Phase 4 Wire Wye mz r oror 65069 1 Front View Figure 2 10 Form 9 Wiring Diagram SCIENTIFIC COLUMBUS 20 JEM 10 Instruction Manual 5R Switchboard 2 Element 3 Wire Delta LINE A B G B or N 3 Phase 3 Wire Delta SHV Separate Aux Power connections are standard on a switchboard case Shorting Contacts 65076 1 A B LOAD Back View Figure 2 11 Form 5R Wiring Diagram SCIENTIFIC COLUMBUS Meter Installation 21 LINE NA B 6R Switchboard 2 Element 4 Wire Wye B 3 Phase 4 Wire Wye Separate Aux Power connections are standard on a switchboard case Shorting Contacts 65078 1C C Back View Figure 2 12 Form 6R Wiring Diagram SCIENTIFIC COLUMBUS 22 JEM 10 Instruction Manual 9R Switchboard 3 Element 4 Wire Wye LINE N C C A N B
69. ly determines the procedural requirements Some test standards may compute percent registrations while others may provide only standard pulses SCIENTIFIC COLUMBUS Test amp Calibration 69 TEST PULSE ADAPTER nF lt hp MODEL 6496A za SCIENTIFIC COLUMBUS Test Pulse Adapter SENSITIVITY 8 09 START Optical pickup to meter port 1 32 AMP HIGHOUT LOWOUT EA SCIENTIFIC COLUMBUS WATTHOURS AUX PWR RESET GATE C GROUND O Socket Front View LOAD SOURCE 65506 1E The 5282 pickup requires a BNC to Banana plug adapter part no 10899 001K when used with the Test Pulse Adapter Figure 4 2 SC 30 Test Connection SCIENTIFIC COLUMBUS 70 JEMP10 Instruction Manual 4 5 JEM10 Calibration Note To make calibration adjustments to the JEM10 the hardware key must be installed The hardware key is located at the top right of the register assembly The two left most pins must be shorted to allow configuration or calibration adjustments The calibration hardware key 15 only accessible if the globe or the front panel of a switchboard case meter is removed The JEM10 meter can be calibrated directly at the meter with the globe or front cover removed The following outlines calibration procedures gt To calibrate the JEM10 1 2 99 Remove the globe from the A base S base meter or the front cover from the switchboard case meter With
70. mal registers beginning with the segment test B Health Checks Health check conditions or diagnostic indications are extinguished during power loss They are returned to their previous status upon restoration of power Diagnos tic error flags that are not persistent are cleared by a demand reset B Communication Serial communication is terminated by a power loss A command received but not executed just prior to an outage will be aborted An in process response during power loss will be aborted A meter configuration which has not been completed will be aborted SCIENTIFIC COLUMBUS 94 JEM810 Instruction Manual 6 3 Time of Use TOU Metering The JEM10 meter has a flexible and programmable TOU metering feature Applicable TOU measured quantities include consumptions maximum demands time of maximum demand and coincident demands Power factor for billing period and short interval demands are not applicable to TOU rates Each measurement quantity is assigned using JEMSET to one of five rates A B C D or Total TOU Rate Schedules There exist four TOU rates A B C and D that can be applied to four separate daily rate schedules that are identical in structure but contain different information TOU rates and schedules are programmable using Scientific Columbus JEMSET program Each schedule consists of up to nine day types Sunday Monday Tuesday Wednesday Thursday Friday Saturday Holiday 1 Holiday 2 an
71. mation it can process the data into report graphics or translate the data into a spreadsheet Each interval of load profile information can be associated with time facilitating load curve analysis External Synchronized Load Profile Interval Closures Load profile interval length should match demand interval length External interval tracking in the meter affects the load profile channels For that reason load profile interval length should match demand interval length When configured for external synchronization the meter uses two time sources one for determining interval closure and one for the meter s real time clock For that reason data skewing is possible if a synchronization pulse occurs on the load profile interval boundary SCIENTIFIC COLUMBUS Appendix 99 Default Configuration The following is a listing of the default configuration in the JEM10 meter after a cold start is performed Primary Calibration secondary readings 1 1 CTR 1 1 Demand Information Autodemand Reset enabled on first day of each month Autofreeze disabled Auto Season Demand Reset disabled Demand Reset Lockout two intervals Demand Deferral disabled Demand Interval 15 minute block interval End of Demand Interval Pulse Output enabled External Demand Sync disabled Var Algorithm standard Miscellaneous Information Clock Sync line Date Format MM DD Y Y DST Adjustments enabled Line Frequency 60 Hz Set Mode Timeo
72. meter cover The lens has a round connection alignment guide with a flat side to assure proper orientation of an optical probe It is compatible with other similar connectors in the industry The optical port baud rate may be set to 300 1200 2400 or 9600 baud 9600 is default The Model 5282 optical port adapter converts optical signals both test output pulses and serial communications to RS 232 and dry contact closure signals Serial Communications Option m RS 232 The RS 232 communication option provides an active serial interface which oper ates up to 9600 baud The RS 232 option is compatible with Electronic Industries Association RS 232 electrical specifications When installed this option provides RS 232 communications through the communications port on the JEM10 with an eight pin modular connector The baud rate is programmable 300 1200 2400 or 9600 baud and is configured with the JEMSET configuration software B 20mA The 20 mA current loop option provides a passive serial interface current is sup plied by another source which operates up to 9600 baud When installed this option provides 20 mA current loop communications through the communications port of the JEM10 meter This option consists of a 20 mA communication option board with built in surge protection and isolation Specifications Var Transmitter Output 2 7 Vdc maximum 20 mA Voy Receiver Input 2 75 Vdc maximum Ly 20 mA Voc Maximum open cir
73. nnect the connector 8 Place the comm option board on an antistatic mat replace the serial comm option board 1 Align the standoff to its receptacle on the comm option board and press to engage 2 Carefully align the comm option board with the connector and register assembly alignment tabs Press upward to engage the connector 3 Reconnect the two eight pin cables and the ground cable 4 Replace the globe or meter cover 5 Supply power to the meter Register Assembly Caution Do not apply pressure to the LCD Excess pressure will cause the LCD glass to break o avoid scratching the display lay the board on a soft surface To remove the register assembly 1 Remove power from the meter 2 Ensure proper grounding 3 Remove the globe from the S base or A base meter or the cover from the switchboard case meter 4 Squeeze the fingers of the comm option board while pulling the board toward the Transformer Board until it is dislodged from the Register Assembly 5 Turn the ejector screw one half turn clockwise to eject the register assembly from the mating connectors Be careful not to lift this side of the assembly any further before proceeding to the next step 6 Squeeze the fingers at the top of the KYZ board together while gently lifting the register assembly out of the meter 7 Place the detached register assembly on an antistatic mat replace the register assembly 1 Align the connector pins a
74. nnnnnnnnennnnnnnnen 3 1 4 AL ONS NN 4 2 Meter Installation oreet Od Pv ex DX EVER ION FE DU RR das 11 2 1 Physical Dimensions ete 11 2 2 Wiring DI agrami Si OESTE 14 2 3 Options Connections cid oett deceives rea b ed ase 23 3 Meter Operation uuu P 41 3 1 Meter Faceplate and User Interface 41 3 2 Meter Display Descriptio curo e aeree ena as 43 3 3 Register Initialization bete Mee ee et 46 3 4 Register Display Poeta n 47 3 5 Setting the Date Time and Presetting Register 48 3 6 Analog Output Option 239 3 2 esed odin cao oo ne 53 3 7 KYZ Pulse Output Option a nana Eten hls 53 38 and Status Outputs see 53 3 9 load JER NO 54 3 10 Serial Communication Fe 55 3 11 CommRepeater Communications Option 59 3 12 Meter Configuration aso d hee deno dun 63 4 bitis E docu OS 65 4 1 a P M 65 4 2 Optical Port KYZ Meler Test uu s aan aan Tan cli aswaa and 65 SCIENTIFIC COLUMBUS iV JEM 10 Ins
75. number of devices that may be connected to your specific line as determined by the number of REN s contact your local telephone company If the modem causes harm to the telephone network the telephone company will notify you as soon as possible Also you will be advised of your right to file a complaint with the FCC should this be necessary The telephone company may make changes in its facilities equipment operations or procedures that could affect the operation of the equipment If this happens the tele phone company will provide advance notice for you to make the necessary modifications so that your service is not interrupted If trouble is experienced with this modem please contact Scientific Columbus for repair and warranty information If the trouble is affecting the telephone network the telephone company may request that you remove the equipment from the network until the problem is resolved The customer should not attempt to repair this equipment The modem cannot be used on public coin service provided by the telephone company Connection to Party Line Service is subject to tariffs Contact your state public utility commission public service commission or corporation commission for information SCIENTIFIC COLUMBUS Meter Operation 59 3 11 CommRepeater Communications Option Introduction The JEM10 CommRepeater Option provides enhanced communications capabilities for the JEM10 meter By providing two communications
76. oint inside the meter enclosure as this can present a serious safety hazard SCIENTIFIC COLUMBUS 114 JEM 10 Instruction Manual Attach the conductive work mat and the conductive wrist strap to the ground cord Put on the wrist strap and remove the assembly from the meter If work is to be performed on the assembly at the metering site perform it on the grounded work mat If the assembly is to be transported to the meter shop or other off site location insert the assembly into a conductive antistatic bag for safe transportation If the assembly has a battery installed remove the battery before inserting into the bag for transportation Conductive antistatic bags can cause a battery to discharge during the transportation process If sensitive components are removed from the assembly at the meter site and are to be reused insert the components with all component leads piercing into a piece of con ductive foam carrier into an antistatic bag for safe transportation Static kits including mat wrist strap cord and clip are available through Scientific Columbus To order contact Scientific Columbus Sales Department at 800 274 5368 or 614 718 3870 Ask for item 13443 001 SCIENTIFIC COLUMBUS Serial Commands and Responses CMD EXT 05 none 06 01 06 02 42 01 43 01 43 02 43 04 43 06 43 08 43 09 43 0a 43 Ob 43 Oc 43 Od 43 Oe 43 10 43 11 43 12 43 13 43 14 43 15 43 16 Description Query Status Quer
77. ommRepeater Option Compensation 1 comp Table 1 1 10 Model Number Explanation SCIENTIFIC COLUMBUS 4 JEM810 Instruction Manual 1 4 Specifications Nominal Definition The nominal conditions as referenced in the specification are defined as follows Voltage Faceplate Voltage Current Class Amps Power Factor Unity Power Factor Frequency 60 Hz Input Range Limits and Burdens Current Input Operation Overload Burden at I Burden at I Class Range Imax S A Base Switchboard Class 2 1 1 001 2 A 2 4 A 3 VA AVA Class 10 1 5 005 10 A 15 1 VA 15 Class 20 01 20 A 30 A 35 6 VA Voltage Inputs Van Ves Burden at V ina Voltage Ratings 69 43 78 0 6 VA 120 75 135 0 1 VA 240 150 270 0 2 VA 277 173 312 0 25 VA Does not include auxiliary power requirements Overload 1 5 x rated voltage input for two seconds Auxiliary Power Rated voltage input 20 from nominal operating voltage Auxiliary Power Burden 10 VA maximum normally derived from A phase voltage input on S base and A base meters SCIENTIFIC COLUMBUS General Information 5 Accuracy B Calibration Accuracy See Glossary for definition of Calibration Accuracy Watt Watthour Var Varhour Q Q hour X 0 146 reading Volt squared hour x 0 296 reading 75 135 B Load Performance Maximum deviation in percent of reading from reference performance Class 2 1 1 Class 10 I 5 Class 20 PF 1 0 PR 0 5 0 2
78. on the back of S base meters and on the right side behind the globe facing the meter s display on A base meters in the form of a 24 pin dual in line pin connector On switchboard case meters connections are made on the terminal connector on the back of the case in positions 1 to 24 Status Alarm Output A Form A two wire signal output can be configured using JEMSET as an end of demand interval pulse demand threshold alarm or potential loss alarm This opto isolated output is available on the same connector as the KYZs Input End of Demand Interval Pulse A master demand sync can be connected to the input EODIP Form A connection This will synchronize the demand intervals and load profile intervals to the incoming pulse The meter must be configured using JEMSET with External Demand Sync enabled for this to be operational Input Time Synchronization Pulse A Time Synchronization Pulse can be connected to the JEM10 input channel Y7 K7 which will allow synchronization of the meter s time to an external standard Synchroni zation will occur at the trailing edge of the sync pulse which should be timed at 30 minutes and 30 seconds past the hour The meter will accept a pulse within a 20 second window or 10 seconds from HH 30 20 to HH 30 40 The sync pulse can be generated from any contact closure or solid state device switching an external DC voltage 10 to 40 Vdc Pulse width should be a minimum of 1 mS The input resis
79. or that may be switched on if a JEM10 CommRepeater is the last device on the network Use of the internal terminators is necessary for proper operation The internal terminators not only provide the necessary high frequency termination but they also provide fail safe biasing to keep the network in a known digital state when all of the RS485 transceivers are in the receive mode RS232 to RS485 Conversion Mode Fig 3 12 shows a typical RS232 to RS485 Conversion Mode application RS232 master signals received at RD IN are converted to RS485 protocol and sent out over the TD RD A and TD RD B pair RS485 meter signals received at TD RD A and TD RD B are converted to RS232 protocol and sent to the master over the TD OUT signal RS485 meter signals received at the RTS A and RTS B pair are converted to RS232 protocol and sent to the master over the RTS OUT signal Meters configured in RS485 mode cannot send DTR signals back to the master The local meter however can send DTR signals back to the master COMM 1 COMM 2 COMM 1 COMM 2 COMM 1 COMM 2 JEM 10 METER TD RD A TD RD A RS232 MASTER TD JEM 10 METER RD IN JEM 10 METER TD RD A TD RD A TD RD A RD 4 TD OUT TD RD B TD RD B TD RD B TD RD B TD RD B DSR DCD 4DTR OUT CTS RTS OUT RTS A RTS A RTS A RTS A RTS A GND GND RTS B RS232 RS485 CONVERSION RTS B RTS B RS485 MODE RTS B RTS B RS485 MODE
80. orded The following events can be stored B Power Fail Indicates that the meter has lost auxiliary power If a meter does not have separate auxiliary power a power outage typically will result in the loss of at least one phase of power The time of power fail and time of restoration are recorded B Time Set The beginning and end of a time set are recorded in load profile memory Time set can be performed at the meter or by use of serial communications SCIENTIFIC COLUMBUS Theory of Operation 97 B Daylight Saving Time Adjustment events are stored Changes are programmed via the JEMSET program The DST change start and stop times are recorded m Test Mode Entries and exits are recorded as events No load profile data is recorded during the Test Mode Test Mode can be initiated at the meter or through serial communica tions B Configuration Event A configuration event and the associated freeze sequence number are stored in the load profile memory Load profile data is erased when any load profile related parameter is configured The configuration event is executed only through serial communications W Freeze Event A freeze event will cause the meter to take a snapshot of the Normal and Alternate Mode registers When the meter reads these registers the value stored at the time of the most recent freeze event is returned This event is executed only via serial com mands Initialization Event indicates the time of the last in
81. peater ampli fied and re transmitted in the appropriate direction A typical RS232 repeater circuit is shown in Figure 3 9 50 FT 50 FT TO ADDITIONAL 10 METERS Figure 3 9 Typical RS 232 Repeater Circuit The local meter the meter where the CommRepeater Board is mounted receives all data from the master through the RD IN signal of COMM 1 It is important to note that the local meter does not monitor the activity of the shared TD RTS or DTR signals incoming from COMM 2 Those signals are amplified and re transmitted to the master through COMM 1 m RS485 Mode The RS485 protocol permits up to 32 transceiver pairs to share a party line Because RS485 communications are differential much longer cable lengths are possible A typical RS485 network is shown in Figure 3 10 A twisted pair of wires can connect up to 32 drivers and receivers for half duplex communications There are no restrictions on where the meters are connected to the wires and it is not necessary to have the meters connected at the ends However the wires must be terminated at each end with a 120 ohm resistor The optional shield around the twisted pair helps reduce unwanted noise and is con nected to GND at one end The total length of the twisted pair must not exceed 4000 feet SCIENTIFIC COLUMBUS Meter Operation 61 lt 4000 FEET sv F 1200 RD AX Bo TD TD
82. pendix B for a description and part number for the various cables and connec tors For the internal modem option it is important to use the RJ 45 connector instead of the analog output s RJ 12 connector Figure 2 17 illustrates hookup diagrams for a JEMIO with 20 mA current loop comm option The following serial port pinout tables list the pinouts of the meter for each of the different type of meter options They also list the modem and PC pinouts for external RS 232 connections External RS 232 devices can easily be connected to the JEMIO by using the modular cable and the Scientific Columbus modular connector adapter The connector part number is listed at the bottom of the external RS 232 connection columns To determine the required pinout for external RS 232 devices follow each row across the table from the meter pinout on the left side of the table to the desired external RS 232 connection pinout SCIENTIFIC COLUMBUS Meter Installation 29 A Base and S Base Serial Port Connections Meter Options Connections External RS 232 Pinout Connections A BASE Color RS 232 20 Internal i External External S BASE Code Option Option Modem Modem Modem Pinout DB9 M DB25 M L1 e e s se se fem ze ow 3 qwe m we neees 6 DSA T 8 CTS TC ie Er 7 Reserved Tx Jam ses wa Reseved 5 6nd SA EL s sw foo r Ne 100 Conn
83. place the register assembly as previously described Replace the comm option board Replace the globe or meter cover Return power to the meter Dl a lc 5 3 Firmware Upgrade The meter firmware is located on the CPU board of the register assembly gt replace the firmware 1 Remove power from the meter 2 Ensure proper grounding 3 Remove the globe from the S base or A base meter or the cover from the switchboard case meter 4 Remove the comm option board 5 Remove the register assembly 6 Use a chip extractor for a 32 pin DIP package to remove the EPROM which is located at the center of the register assembly Caution When replacing the firmware do not apply pressure to the LCD Excess pressure will cause the LCD to break 7 Position the new EPROM noting the correct orientation Align the notch at the top of the EPROM with a notch silk screened on the CPU board 8 Replace the register assembly 9 Replace the comm option board 10 Perform a cold start by pressing the DISPLAY SET and TEST buttons on the meter face while applying power to the meter 11 Replace the meter globe or cover 12 Reconfigure the meter SCIENTIFIC COLUMBUS Maintenance 79 5 4 Health Diagnostics The JEM10 health status register provides an indication of the health of the meter It is one of the status registers that can be programmed to be displayed in any of the registering display modes Normal Alternate or
84. r three wire Form C pulses will not register false counts under these conditions B EODIP Pulse Output The output is a two wire normally open output If it was closed at the time a power outage occurred it will open on power fail and not return to the closed state until the next interval end regardless of the length of the power loss EODIP pulses do not occur when auxiliary power is out at the meter and a demand interval time is past Also EODIPs that should have occurred are not made up after restoration of power SCIENTIFIC COLUMBUS Theory of Operation 91 B Display The display is blanked during power outages except as noted for potential indicators Display sequence is restarted with a segment test in the normal Scrolling Display Mode The meter does not return to the previous display item Potential Indicators Potential indicators are not under the control of the micro processor of the register CPU board and therefore will not be controlled during power outage but will respond to the level of line voltage available to drive them Other elements of the register s display will be turned off when a power failure is detected The potential indicators may continue to operate at a lower level voltage down to as low as half of the rated voltage They will begin to dim noticeably at the power fail level before they are completely extinguished The same applies to the restoration of power If within an unspecified operating voltage l
85. r to the apparent power Equal to the cosine of the phase angle Present TOU Period The TOU period that the meter determines to be active at the present time This is determined by the present date and time of the meter and the TOU schedule Pulse A state change in either direction of a binary metering signal Register Used to refer to specific quantities to be displayed or retrieved Register Assembly The term used to refer to the hardware implementation of the display or control of the I O functions of the meter Rolling Interval Sliding Window demand measurement consisting of the summation of values calculated over multiple consecutive subintervals A calculation is updated at the completion of each subinterval but includes a defined number of previous subintervals Season season is a range of dates whose start date is contained in the season schedule in seconds time format SCIENTIFIC COLUMBUS 122 JEMS10 Instruction Manual Season Schedule A season schedule is an array of dates within the TOU schedule that enables the meter to identify the seasons Seconds Time Format A 32 bit number in units of seconds referenced from January 1 1990 Special Event An event stored in load profile data such as a register freeze power fail time set etc Storage Register A copy of a quantity which could be a displayable register and is saved when triggered by a demand reset Subinterval The increment of time in whi
86. reset storage registers to reflect readings at the time TOU season change Readings for specific registers are transferred into these seasonal storage registers when a season change occurs Holidays Holiday schedules contain dates for up to 200 holidays each of which are defined as either holiday 1 or holiday 2 JEMSET allows the identification of the holidays to suit specific applications Automatic Demand Reset The meter performs a season shift demand reset when TOU and seasonal shift demand resets are enabled Periodic Changes Demands are calculated on registers with the prior rate All subinterval accumula tors for a specific rate are cleared allowing the new rate calculation to contain data that occurred in the new rate period When periods change and keep the same rate accumulators are not cleared Enable Disable The TOU function can be enabled or disabled through meter configuration using JEMSET When disabled TOU functions including season change detection will not operate SCIENTIFIC COLUMBUS 96 JEM810 Instruction Manual 6 4 Load Protile With its built in pulse recorder the JEM10 meter is capable of storing up to five channels of pulse data information Each channel corresponds to a quantity that the meter can measure Data is stored as load profile pulse information Each pulse has an associated pulse constant that determines the value of a pulse Storage frequency is based on a load profile
87. revious Season M Coincident REM Reset indicator Direction Label Cumulative End of Demand Interval Quantity RE emote Communication Quentin indicator Figure 3 4 JEMIO Display Annunciators Display Annunciators TEST Indicates that the meter is in Test Mode ALT Signifies that the meter is in the Alternate Register Display Mode E Indicates error condition See Section 5 4 on Health Diagnostics SCIENTIFIC COLUMBUS Meter Operation 45 SET Indicates that the meter is in the Set Mode used for presetting registers and setting the date and time This will also illuminate in sequence with TEST in Calibra tion Mode PREV Register label signifies that the past month s storage registers are currently displayed PREV SEAS Indicates data from previous TOU seasons COINC Register label indicates that the register displayed occurred at the time of a specified maximum demand RESET This flashes after the RESET button is pressed It indicates that all maxi mum demand registers coincident demand registers power factor registers and times of maximum demands have been cleared It updates the cumulative demand register and transfers active readings to the storage registers The reset function is subject to a configurable reset lockout REC Indicates quantity received reverse direction DEL Indicates quantity delivered forward direction MA X Illuminates when the display is maximum demand
88. rnal cross phasing is required The internal cross phasing is accomplished by configuring the second multiplier for the Q function Configuration of the multiplier for the Q function is based on the following equations 3 element Q Ecn Ia Ean Ib Ebn Ic 2 element Q Ecn Ic Ia Ean Ic Ib 2 element Q Eac Ia Eab Ic The Q function utilizes the same circuitry as the var function with the exception of the active phase shifters The voltage signals are connected directly to the second set of comparators bypassing the phase shifters The PWM signals generated by the comparators switch the appropriate current signals into the summing circuit The cross phasing of the signals required by the Q function occurs at the switches The Q function output is valid for power factors of 30 leading to 90 lagging SCIENTIFIC COLUMBUS 88 JEM810 Instruction Manual The output is 10 Vdc for full scale inputs of nominal voltage and class amps at power factor of 60 lagging The output is bidirectional and for lagging Q and watts delivered the output is positive Volt Squared Function The function is single phase and is referenced to the phase A voltage input The operation of the multiplier for this function is similar to that of the watt function A PWM signal is generated by comparing the input voltage signal to the triangle wave This PWM signal then switches a current generated by the same input voltage signal into
89. roJoule II With a MicroJoule II the user can test the meter with either the K YZ test pulse or the optical test pulse with Optical Port Adapter Model 5282 The MicroJoule II includes the counting functions for a multiple pulse test Figure 4 1 The JEM10 may be tested with good readability using one or more test pulses Resolu tion is determined by the standard used The test connection diagram for MicroJoule II shows the electrical connections to a Form 5A meter given that connections to a meter are standard for the industry according to the form class and voltage Currents are wired in series with MicroJoule current connections and all voltages are wired in parallel Note To use test pulses from the optical port the meter must be in the Test Mode The following parameters need to be programmed in the MicroJoule II e In the K field enter the K of the JEM10 meter as printed on the meter faceplate if using the JEM10 optical port in Test Mode If testing one of K YZ channels take the secondary pulse value as programmed in JEMSET and multiply it by two since only half of the contact is used Enter the proper voltage current and number of elements Ensure the standard parameters such as MA number of test counts etc are properly set Once the JEM10 is set up in the MicroJoule II a test can be run As a good rule the test should have at least 10 000 counts from the standard Refer to the MicroJoule II Instruc
90. ssociated with a specific function The first multiplier is dedicated to the watt function The second is associated with reactive power and may be configured for either vars or Qs The third multiplier is connected to A phase signals only and may be configured for volts or volts squared The outputs of the first two multipliers are bidirectional and the output of the third is unidirectional Watt Function The first multiplier is dedicated to the watt function A signal representing A phase input voltage is compared to the precision triangle wave The result of this comparison is a pulse width modulated PWM signal in which the duty cycle width is proportional to the magnitude of the input voltage This modulated signal is used to switch the signal representing the A phase current into a summing junction causing an amplitude modulation AM of the processed signal This sum ming junction is the virtual ground of an operational amplifier that also provides ripple filtering SCIENTIFIC COLUMBUS Theory of Operation 87 On one polarity of the PWM signal the noninverted current signal is sent to the summing junction On the opposite polarity an inverted version of the current signal is sent to the summing junction This operation is repeated for each set of phase voltages and currents The summing circuit adds the products of each separate multiplication and provides a dc voltage output that is proportional to the sum of t
91. t Registers 63 01 Config Independent Item Date Format SC HI 63 02 Config Independent Item DST Adjust Y HI 63 03 Config Independent Item LP Size Y HI 63 04 Config Independent Item Meter ID Y HI 63 05 Config Independent Item Scroll Rate Y HI 63 06 Config Independent Item User Text Y HI 6d 01 Erase Mass Memory D HI 70 01 Schedule Next Phone Home HI 70 02 Retrieve Power Fail Event Parameters none 70 03 Set Modem Configuration Profile Y HI 71 01 Read Next Scheduled Phone Home LO 71 03 Read Modem Configuration Profile LO 76 01 Verify Independent Item Date Format LO 76 02 Verify Independent Item DST Adjust LO 76 03 Verify Independent Item LP Size LO 76 04 Verify Independent Item Meter ID none 76 05 Verify Independent Item Scroll Rate LO 76 06 Verify Independent Item User Text none none none I Command none SCIENTIFIC COLUMBUS 118 JEM 10 Instruction Manual SCIENTIFIC COLUMBUS Glossary 119 Glossary Apparent Power The product of the applied voltage and current in an ac circuit Apparent power or volt amperes 15 not the real power of the circuit because the power factor 15 not considered in the calculation Average Power Factor The ratio of kilowatthour pulses to computed equivalent kVAh pulses for the billing period Billing Period The period of time between two consecutive demand resets Burden Load imposed by a device on an input circuit expressed in ohms or VA Calibration Accuracy The requir
92. t level of electrostatic potential As these two physical bodies come in contact or proximity equilibrium is achieved by a sudden flow of current Most people associate a static discharge with a small blue arc and a sharp snapping noise It is important to note that static charges of a level too low to produce a detect able arc can damage unprotected electronic components SCIENTIFIC COLUMBUS Appendix C 113 Static control is the employment of tools and equipment to predetermine the flow path of this current Another important consideration is that even though a safe encounter has been achieved between two physical bodies any subsequent encounter with a third fourth or more bodies must be protected in the same manner since a static potential difference may exist between the now combined first two bodies and any unknown new body Warning The first step in the above example is to de energize the meter in such a manner as to completely isolate the meter from all service lines Never dismantle an energized meter The following static control equipment is required 1 2 3 4 Conductive work mat Ground cord attached to true earth ground Conductive wrist strap Electrically conductive bag Caution Unless you are certain that the meter enclosure is properly earth bonded do not attach the ground cord to the meter enclosure Never attach a ground cord to the distribution system neutral or any other p
93. t the top of the register assembly with the receptacles at the top of the multiplier integrator board and power supply board 2 Squeeze the fingers at the top of the KYZ board together while inserting the fingers into the slots at the bottom of the other side of the register assembly 3 Re engage the first side connector side of the register assembly by turning the ejector screw one half turn counter clockwise while firmly applying downward pressure on the register assembly with your hand SCIENTIFIC COLUMBUS S Maintenance 77 Re engage the comm option board by squeezing the fingers at the top of the comm option board and inserting the fingers into the slots on the bottom side of the register assembly being careful to align the connector pins Replace the globe or meter cover Analog Option Board gt To remove the analog option board 1 2 3 6 Remove power from the meter Ensure proper grounding Remove the globe from the S base or A base meter or the cover from the switchboard case meter Firmly grasp the sides of the analog option board at the top of the board Gently but firmly pull the board away from the KYZ board If the board does not automatically release at the bottom grasp the bottom of the analog option board and pull the board away from the KYZ board Place the board on an antistatic mat To replace the analog option board 1 Align the standoff at the bottom of the analog option boar
94. tance of the input channel is 2200 ohms nominal The time sync option is available on JEM10 firmware version 3 10 and higher Refer to the JEMSET Software instruction manual for configuration details Note The Time Synchronization Pulse is not recorded as a Time Set event in Load Profile and therefore will not close the Demand Interval If there is any difference between the JEM10 clock and the Time Sync Pulse the length of the Demand Interval will be adjusted accordingly The Time Sync Input uses the same input channel as the Demand Sync input therefore during a configuration only one if any of the sync input options may be enabled SCIENTIFIC COLUMBUS 24 JEMe10 Instruction Manual KYZ Pinout 1 Blu Wht Y6 Output EODIP or Potential Alarm or Demand Threshold Alarm Blu K6 Output EODIP or Potential Alarm or Demand Threshold Alarm poem Yi dCs Delivered 7 Bm kr WsbDeliveed 9 BwBk Zi Watts Delivered Reivekes SOOS 13 Rd Rex veReciwd 15 ReJBk 7 Reactive Received Omwh Reactive Delivered 1 om K Reactive Delivered Om Bik watam ee ri 2 1 2 1 Revved 3 s Ys vwe o gt 2 18 Vio Wht Input External Demand Sync Or Time Sync Input External Demand Sync cmm Time Sync a Shield Shield Unused e
95. tes in seconds time format at midnight within the TOU schedule that enables the meter to identify holidays Interval A period over which a demand is calculated consisting of one or more subintervals IRLED Infrared light emitting diode such as the optical port on the JEM10 meter Liquid Crystal Display LCD Display area on the meter face that contains alpha numeric characters for data readout Load Linearity Specifies the maximum deviation of performance in percent registration over a range of current load assuming all other conditions at nominal reference conditions Load Profile Load profile is the collection of all LP records in chronological order Load Profile Periodic Special Event The meter stores pulses accumulated since the time of the previous LP interval closure SCIENTIFIC COLUMBUS Glossary 121 Load Profile Interval interval 15 the period between two consecutive LP interval closures Load Profile Record An LP record 15 the data in a segment load profile memory where the accumulated pulses from a single LP interval are stored Null Modem Cable that emulates a modem to enable the connection of two DTE data terminal equipment devices such as any two devices that would communicate with a modem DCE device Partial Load Profile Count The total accumulated counts within an interval after the last special event or load profile interval closure Power Factor The ratio of the effective powe
96. the meter in Test Mode display the consumption quantity to be adjusted The user can adjust the kWh function when DEL kWh or REC kWh are displayed Bidirectional quantities cannot be adjusted independently Simultaneously hold down the DISPLAY and SET buttons The display shows a value that is to be used for error correction starting with 00 00 The meter displays the number corresponding to the test register being adjusted TEST and SET should be flashing on the display To make a negative correction first press the SET button A negative sign appears in the sixth digit space from the right Adjust the display to obtain the desired error correction Use the DISPLAY button to select the appropriate place value and the SET buttons to increment the digits until the desired correction is reached Negative corrections that decrease registra tion are assigned a negative sign Non assigned values are assumed positive and increase registration When the desired value has been entered simultaneously hold down the DISPLAY and SET buttons This will lock in any corrections If the meter cannot accom modate the desired change it will return to the previous display Otherwise the meter will return to the selected Test Mode quantity Repeat Steps 1 through 6 as necessary for other adjustments Exit the Test Mode by pressing the TEST button Verify that the meter has returned to its normal metering condition and that the TEST status annunciator is inac
97. the meter to be placed in Set Mode by pressing the DISPLAY and SET buttons at the same time This allows the meter s real time clock to be set and its registers to be preset Refer to Section 3 4 on how to set the meter time and preset the registers Having the four buttons accessible to the user also allows the meter to be placed in Test Mode by pressing the TEST button Refer to Section 3 4 for a description of the meter in Test Mode Y NA AC012 6 1 01111 345678A1 2 ed 5 VIR by FM5S CL10 120V 60Hz 3W TA2 5 II 0 0 0 Kt 1 8 SN 00 000 000 Model JEM10 22105511 2111 Multifunction Electronic Meter 65575 1D Figure 3 2 JEM10 Function Switches SCIENTIFIC COLUMBUS Meter Operation 43 3 2 Meter Display Description The meter s display allows the user to view display registers that are programmed in the meter The display allows the user to identify the display register by means of a User ID field register ID quantity name and label fields and time of use rate indicators The register value or data field can display up to six digits with up to three decimal point locations A mode indicator section of the display determines if the meter is in either Normal Alternate Set or Test Mode Potential indicators illustrate the presence or absence of phase voltages Direction and load rate indicators determine the direction of power flow for both real W and reactive R pow
98. the selected digit 65585 1B 4 To increment the selected digit press the SET button 5 To store this value and advance to the next digit press the DISPLAY button 6 When changes are complete press the SET and DISPLAY buttons to exit the Time Set Mode The meter automatically enters the Register Preset Mode if so configured Otherwise it returns to the Manual Display Mode Note To abort the date and time set before changes are made press the TEST and DISPLAY buttons Press the TEST and DISPLAY buttons to clear changes and restart the process or press the TEST and DISPLAY buttons a second time to abort the Date Set Time Set Mode SCIENTIFIC COLUMBUS 50 JEM810 Instruction Manual Scrolling Register Display Press SET amp DISPLAY Increment digit by pressing SET Date Display YY MM DD How to abort 1 If no changes have been made press T amp D to abort preset mode 2 If changes have been made press T amp D to clear changes and restart preset Press again to abort preset Is Blinking Digit Correct Increment digit by pressing SET Store digit by pressing DISPLAY Is entire date correct Press SET amp DISPLAY Fig 3 7 to save date ig 3 Time Display HH MM SS T Test button Figure 3 5 Date and Time Set Function Flowchart SCIENTIFIC COLUMBUS YES D Display button T amp D Press both buttons at the same time Is
99. the test or any spurious output during application of the test Specifically the meter register must not increment or generate false counts EMI RFI Interference Susceptibility As defined in draft ANSI C12 16 1991 Section 10 Electrostatic Discharge To all exterior surfaces of the meter with 15 kV air discharge cover installed excluding terminals with 8 kV contact discharge connectors per IEC801 2 Signal Outputs M Analog Outputs Optional Features 1 2 mA Option Self Powered A bipolar dc milliamp signal linearly proportional to each measured quantity Signal Level 1 2 mAdc at nominal input 2 4 mA at full scale Compliance Voltage 10 V maximum Example Under condition of maximum load at 10 A at 120 V output is required to supply 2 4 mA into 4 16 kO 4 20 mA Option Loop Powered A bipolar 4 12 20mA or unipolar 4 20mA dc milliamp signal linearly proportional to each measured quantity Signal Level 20 mAdc at nominal input Loop Supply Voltage 18 Vdc to 30 Vdc Loop Drive Capability 750 Q max at 20mA output level Pulse Output Options All three wire K YZ outputs and two wire Form A outputs are solid state photo isolated with ratings as follows V max open circuit voltage 200 V dc or peak ac V max closed circuit saturation voltage drop 2 5 V at 30 mA I max max rated switching current 50 mA TTL compatible output 4 7 pull up to 5Vde Form A inputs Two wire signal inputs require an
100. the test register that is being dis played e g watthour varhour V hour The K YZ pulse outputs are available even when the meter is in Test Mode operating at their programmed K value The Scientific Colum bus Model 5282 Optical Port Adapter or the Scientific Columbus Model 6636 Infrared Pickup Device converts the optical pulses to contact closures This can be interfaced to the MicroJoule IT s external gate input The JEM10 is tested like any other electronic meter It should be set up so the test stan dard sees the same voltage and current as the meter This is done by connecting the JEMIO voltage elements in parallel and the current elements in series Figure 4 1 shows an example of how to connect JEM10 and a MicroJoule II to an external load source JEM10 Test Pulse Output in Test Mode It is important to wait 15 seconds after application of potential before entering Test Mode Otherwise the meter may not produce test pulses in Test Mode If the meter is suspected of not producing test pulses scroll through Test Mode to the function under test after 15 seconds of power on time Modern computer controlled test systems are susceptible to this effect because potential is often removed and then restored between test procedures Each time the meter is powered down and re energized Test Mode should be re entered after the 15 second delay SCIENTIFIC COLUMBUS 66 JEM 10 Instruction Manual 4 3 Testing the JEM10 Meter with the Mic
101. tic prone environments Consequently completely assembled products can be handled in normal work environments indoors and outdoors with no risk of static damage If a product is disassembled to any level all exposed or removed electronic modules must be considered vulnerable to static damage and handled accordingly There is no truly safe level of exposure to electrostatic discharge However the presence of a static charge or static field is not in itself damaging to electronic components Subassemblies from a dismantled product should not be considered static protected by design In fact depending on the design and conductive mass of the connected circuitry components in subassemblies may be more vulnerable to static damage than loose components of the same type Therefore the objectives of static control cannot be met by indiscriminate handling of subassemblies or loose components Handling a printed circuit board assembly by its edges without employing static protec tion does not preclude the risk of static damage to its components Effective static control methods cannot be executed without proper tools and equipment All static control methods relate to one simple principle provide alternate intentional paths for grounding electrostatic charges away from or around the devices to be pro tected Any two physical bodies conductive or nonconductive can be the source of an electro static discharge if each is charged to a differen
102. tion Manual on specific testing instructions For the Volts Squared Hour V H function K nominal voltage rating of meter 1000 V H Example for 120V meter K 120 144 1000 SCIENTIFIC COLUMBUS Test amp Calibration 67 MicroJoule Standard Model 5282 4 Optical Port Hajas Adapter I Multifunction Standard FUNCTION LO STORAGE SENT MICROJOULE 8 II STDA e INSTRUCTIONS gt gt JEM 10 GABLES lt gt DISPLAY AMPERES RESISTORS gt sibe gt 7 ext H NX CO pff GATE CONTROL POWER Load Simulator Figure 4 1 Optical Port Test Connection Diagram 4 4 Testing with the SC 30 Testing with a field standard can be done with manual or automatic gating Manual gating limits accuracy due to human reaction time For best results Scientific Columbus Co recommends the use of a mechanism to automatically start and stop the field standard gating switch such as the MicroJoule II computer or the Model 6485A Test Pulse Adapter TPA Since test pulses for the JEM10 are available from both the optical port and the KYZ output channels a test pulse adapter may be used with either output For example KYZ pulses may be sent to the test pulse adapter to gate the test with the SC 30 Itis also possible to go from the JEM10
103. tive Note The Calibration Mode may be aborted at any time prior to the lock in action by simultaneously holding down the DISPLAY and TEST buttons SCIENTIFIC COLUMBUS Test amp Calibration 71 Calibrating the JEM10 Analog Option If the JEM10 meter has a 1 2mA Analog Output Option installed the analog outputs can be easily calibrated by performing the following procedure These adjustments only affect the analog output signals of the meter and do not affect the JEM10 s registration Connections Connect the JEM10 and MicroJoule to a variable voltage current and power factor source by wiring all the voltage elements in parallel and all the current elements in series Refer to the wiring diagrams for the proper JEM10 model number for the wiring connec tions and polarities The analog output adjustments are located at the bottom of the meter s faceplate A set of six potentiometers should be visible as shown in Figure 4 3 For each meter function there is a zero adjustment and a gain adjustment If the meter does not have all the func tions indicated in this Figure the adjustment for that set of potentiometers has no effect The analog output signal location is dependent upon the meter form Refer to Section 2 3 for the exact location and pinout TYPE TEST EM 10 Multifunction Electronic Meter DISPLAY ele Watt Zero Adjust Watt Gain Adjust V Gain Adjust V Zero Adjust Var Q Zero A
104. to the 5282 Optical Port Adapter to the test pulse adapter to the SC 30 or earlier model for testing with the optical port cable connection from the optical port adapter to the provides an easy hookup Refer to the Instruction Manual for the Test Pulse Adapter Models 6485A and 6496A for assistance in making this connection Doc YD 08826 001 N SCIENTIFIC COLUMBUS 68 JEM 10 Instruction Manual Figure 4 2 shows the Form 55 JEM10 SC 30 and the 6485A A test pulse adapter will pick up infrared pulses from the optical port count them and control a gate relay either directly to the voltage of the SC 30 or to a controlling gate input which is available in the SC 30 or earlier models The connections to the meter are all standard connections according to the form voltage and class of the meter Connections to the SC 30 are also standard connections as dictated by the SC 10 Watthour Portable Standard User s Manual The drawing in Figure 4 2 shows controlling the gate input to the SC 30 with the test pulse adapter for the duration of the test In this case the test is considered an external gated test started by the optical port A typical test is 10 or fewer meter output pulses Optical Port Test Calculations Where Kh Ny Nr Number of Standard Pulses N Number of Test Pulses K Meter Test Constant Standard Test Constant Number of Elements Z ap lI The test equipment used large
105. truction Manual 4 3 Testing the JEM10 Meter with the MicroJoule ll 66 4 4 Testing with the 90 901 ses iin ean eile eaten ela 67 4 5 JENMTO GalibratiON aet p mun 70 5 Maintenancoe eut J J J J 75 5 1 M ter AsS Dmblyy usu D pa aus vacated us 75 5 2 Circuit Board heplaegiriehl d b utu e 75 5 3 Firtiware Upgrades u g EE 78 5 4 Health DISgnoslieS ene 79 6 Theory of Operation uu u cocco ceinture ex e aa a xaxa xa dax Rd xe Iesu e aaan 83 6 1 Technical Deva aia pad ra d ice sete ce Aa d Uo aa aes 83 6 2 Hardware Eb se gie e Oc Deui 86 6 3 Time of Use TOU Metering nennen ntn nnn 94 6 4 l oad Profilleru RE DT Tem 96 Default Configuration NGNE 99 550 5 109 Electrostatic Discharge 111 Serial Commands and Responses U T 115 GIOSS ANY vaar 119 SCIENTIFIC COLUMBUS General Information 1 1 General Information 1 1 Purpose of Manual
106. ut 5 minutes Test Mode Timeout 30 minutes Time of Use disabled Scroll Rate off Manual Register Presets enabled SCIENTIFIC COLUMBUS 100 JEM810 Instruction Manual Load Profile Assignments Last programmed settings are not reset on cold start Parameters shown here are factory settings if the meter has never been programmed using JEMSET Interval Length 15 minutes Load Profile Response Size 38K 1 kWh Del K 1 00 wh c 2 kWh Rec 1 00 whic 3 kvarh Del 1 00 varh c 4 kvarh K 1 00 varh c 5 V h K 10 0 V h c Communications HiLevel Password 000000 LoLevel Password 000000 Comm Option Address 01 Comm Option Baud Rate 1200 Optical Port Address 02 Optical Port Baud Rate 9600 DTR Pulse Width 100 ms RTS to Tx Delay 2 0 ms Tx to RTS Delay 0 ms Meter ID 10 Pulse Outputs Last programmed settings are not reset on cold start Parameters shown here are factory settings if the meter has never been programmed using JEMSET 1 kWh Del K 1 00 wh c 2 kWh Rec K 1 00 wh c 3 kvarh Del K 1 00 varh c 4 kvarh Rec K 1 00 varh c 5 Wh K 10 0 V h c Internal Modem Settings Phone Home Modem disabled Voice Call Delay disabled Answer After Two Rings Answer Window disabled SCIENTIFIC COLUMBUS VAR METER DEFAULT REGISTERS Normal Registers ID 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020 021 022 Quantity TIME PRES
107. ut Analog Output Black Reactive Reactive Reactive Analog Output Analog Output Analog Output Watts White Watts Watts COMM2 RS232 NOT NOT ASSIGNED Brown GND ASSIGNED COMMI RS232 NOT COMMI RS232 GND Blue GND ASSIGNED COMMI RD IN COMM1 RD IN TD RD A COMM1 RTS OUT COMM1 RTS OUT RTS B COMM1 DTR OUT COMMI COMMI DTR OUT Red RTS A COMMI TD OUT COMMI COMMI TD OUT Black TD RD B COMMA RD OUT 2 COMM2 TD RD A TD RD A COMM2 TD IN COMM2 COMM2 TD RD B TD RD B Yellow Green Orange 23 24 25 26 27 28 29 30 31 32 33 34 35 6 3 Gray Wire colors shown for Terminals 23 through 28 are used on Scientific Columbus cable Part No 15389 001 Wire colors shown for Terminals 29 through 36 are used on Scientific Columbus cable Part No 15387 001 SCIENTIFIC COLUMBUS Meter Installation 39 Table 4 Connector Pin Outs for Adapter Box CONNECTOR PIN RS485 MODE NOT ASSIGNED NOT ASSIGNED 1 RTS B RJ 45 COMM 2 NOT ASSIGNED ET RJ 12 2 Reactive ANALOG 3 Volts Squared OUTPUT 4 Analog Return RD1 IN TD RD A GNDI NOT ASSIGNED 5 Analog Return Analog Return Analog Return Analog Return RS485 TO RS232 CONVERSION MODE NOT ASSIGNED NOT ASSIGNED TD1_OUT 4 DTR1 OUT RTS1 OUT RD1 IN 7 GNDI NOT ASSIGNED NOT ASSIGNED NOT ASSIGNED NOT ASSIGNED TORDA NOT ASSIGNED NOT ASSIGNED NOT ASSIGNED TD RD B RTS A RTS B 4 TD RD A 7 N
108. y JEM10 Status Read Phone Home Status Demand Reset Configure DST Information Configure TOU Special Dates Configure Register Definition Configure Register Display Info Configure Load Profile Info Configure Phone Home Modem Configure Comm Parameters Configure Demand Interval Configure Miscellaneous Info Control Configuration Session Configure Modem Information Configure Pulse Dividers Configure Configuration ID Configure TOU Rate Schedule Configure Enable Configure Misc Demand Info Configure Mode Timeouts Configure Register Algorithms SCIENTIFIC COLUMBUS Hardware Key Required lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt Appendix D Password Required none none none HI HI HI HI HI HI HI HI HI HI HI HI HI HI HI HI HI HI HI 115 116 CMD EXT 44 01 44 02 44 03 44 04 44 05 44 06 4c 01 4d 01 4d 02 4d 03 50 01 50 02 50 03 52 01 52 02 52 03 52 04 52 05 52 06 52 07 52 08 52 09 53 01 53 02 54 01 54 02 54 03 54 04 54 05 56 01 56 02 56 04 56 06 56 08 56 09 56 0a 56 Ob 56 Oc 56 Oe JEMS10 Instruction Manual Description Hardware Key Required Read Load Profile Info JEM10 specific Read Load Profile Info JEM2 specific Read Configuration Events Read Register Preset Events Read Init Events Read Event Buffer Freeze Enter Test Mode Y Exit Test Mode Step Test Mode Display Password Activate Password Dea

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