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1. twi stem w Single p three wire system Three phase three wire system Model and Suffix Codes PR300 40000 6L 0 Single phase 00 Te three wire system l of Three phase qm four wire system I l Single phase we twowire system fI E Single phase wo three wire system II t Three phase Jm Initial Value Factory set Value Three phase three wire system Three phase four wire system Model and Suffix Codes PR300 50000 60 0 Three phase four wire 1 iT T system 2 5 element Lf Three phase four wire system 2 5 element The initial value of the Measured Value screen display pattern is Upper display Current phase switch indication Middle display Voltage phase switch indication and Lower display Active power For the display pattern setting procedures refer to the PR300 Power and Energy Meter User s Manual IM 77C01E01 01E provided on the accompanying CD 1 2 Setting the Voltage Range 2 Setting the Voltage Range 2 Setting the VT and CT Ratios A NOTE 2 2 Setting the CT Ratio This section explains how to set the CT ratio by taking as an example the case when the CT ratio is changed from the initial value 1 00 to 10 00 This section explains how to set the voltage range by taking as an example the case when the voltage range is changed from 300 V to 600 V I R i Startup screen Voltage Range Setting screen C A CA m PR300
2. D Set the VT and CT ratios so that the value of secondary rated power x VT ratio x CT ratio is smaller than 10 GW If this value exceeds 10 GW the updated VT or CT ratio will not be incorporated but revert to the current value before change 2 1 Setting the VT Ratio This section explains how to set the VT ratio by taking as an example the case when the VT ratio is changed from the initial value 1 to 4 Prior to proceeding to the following steps ensure that the PR300 is turned on and the Measured Value screen is displayed Measured Value screen A 1 Hold down ae for at least 3 seconds The parameter VT ratio appears SET ENT 2 Press ew once VT Ratio Setting screen The screen changes to the one for setting the parameter HE Jand the alterable digit blinks Using or A change the setpoint To move to the digit to be changed use the following keys To the left To the right Cc A PRS00 m e o mo yew Py 4 Press twice to confirm the setpoint VT Ratio Setting screen Pressing once causes all digits of the setpoint to start blinking Pressing once again confirms the setpoint and returns to the VT Ratio screen To re set the parameter Press any key other than C while all digits of the setpoint are blinking The PR300 returns to the initial
3. Startup Manual Mode PR300 Feweneca Power and Energy Meter lt Initial Setup Operations gt Thank you for purchasing the PR300 This manual describes the setting procedures of phase and wire system voltage range VT ratio and CT ratio of the PR300 The electronic manuals are also provided on the accompanying CD in addition to this manual Read them along with this manual To ensure correct use be sure to read the PR300 Power and Energy Meter User s Manual IM 77C01E01 01E thoroughly before beginning operation Printed manuals Electronic manuals PDF files are also provided on the accompanying CD Model PR300 Power and Energy Meter Startup Manual lt Installation gt IM 77C01E01 02E Model PR300 Power and Energy Meter Startup Manual lt Initial Setup Operations gt IM 77C01E01 03E This manual Electronic manuals PDF files Model PR300 Power and Energy Meter User s Manual IM 77C01E01 01E Model PR300 Power and Energy Meter Communication Interface User s Manual IM 77C01E01 10E Please keep this manual for future reference YOKOGAWA Yokogawa Electric Corporation IM 77C01E01 03E 1st Edition Feb 2006 KP Component Names and Functions Yokogawa Electric Corporation Network Solutions Business Division 2 9 32 Naka cho Musashino shi Tokyo 180 8750 Japan Phone 81 422 52 7179 Facsimile 81 422 52 6793 Demand Alarm lamp Red Comes on if the demand value excee
4. cnes Yanama O CT Ratio Setting screen ee 7 The alterable digit blinks 5 Using or LA change the setpoint Co A PRS00 m me ow mre yew ry mn inn Lt ILILILI BOwWHe CT Ratio Setting screen To move to the digit to be changed use the following keys To the left To the right vow 6 Press twice to confirm the setpoint PROD m e w mno ww a CT Ratio Setting screen Pressing J once causes all digits of the setpoint to start blinking Pressing once again confirms the setpoint and returns to the CT Ratio screen To re set the parameter Press any key other than while all digits of the setpoint are blinking The PR300 returns to the initial setting screen M To return to the Measured Value screen hold down SET ENT a If you do not operate any key for more than 5 minutes on the Parameter screen the PR300 automatically returns to the Measured Value screen Eccone voaa gt Setting completed Parameter Setting Types and Ranges Parameter Symbol Parameter Name l L rm O T ratio 7 Initial Value Setting e f Setting Range Details Factory set Type g ge Value Floating point numeric 0 05 to 32000 1 00 value IM 77C01E01 03E 1st Edition Feb 13 2006 00
5. ds the demand alarm point at any point in time other than the demand alarm mask time Pulse Output lamp Green Comes on when the output is turned on in the pulse output mode and goes out when the output is turned off Phase and Wire System lamps Green The phase and wire system option set in the PR300 turns on Input Range lamps Green The voltage range option set in the PR300 and the current range rated input option specified at the time of ordering turn on Communication lamp Green Blinks while RS 485 or Ethernet communication is in progress JA V Measured Value display Red Shows a measured value of power energy etc Power lamp Green Comes on and remains lit when the PR300 is turned on and operating normally Blinks 4 times second if a communication error occurs and continues to blink until the Also shows a parameter symbol and its setpoint at the time of parameter setting PR300 returns to normal Phase Indication lamps Red Come on to tell for which phase the voltage or current value is being measured Unit lamps Red Show the unit symbol of a measured value for each measurement item These unit symbols are shown in combination depending on the type of measured value MAX and MIN lamps Red Come on when the ma
6. hus set is shown as the current value PRSO00 m mro EJ me on a When proceeding to set the phase and wire system press or to show the Phase and Wire System screen with this screen figure on the left shown as is After showing the Phase and Wire System screen start from step Gin Section 1 1 Setting the Phase and Wire System Current value SET ENT 10 Hold down for at least 3 seconds Measured Value screen The PR300 shows the Startup screen for about 5 seconds then the Measured Value screen appears BSOMOOLlE Setting completed AN NOTE eThe voltage range of single phase three wire system is fixed at 300V between PO and P1 PO and P2 The voltage range cannot be selected eFor the voltage range of three phase four wire system set the voltage between PO and P1 PO and P2 PO and P3 Range of Voltage Range Options r Initial Value Parameter Symbol Setting Setting Range Details Factory set Parameter Name Type Value Li m Selection 300V m aa a ee Voltage range The initial value of the Measured Value screen display pattern is Upper display Current phase switch indication Middle display Voltage phase switch indication and Lower display Active power For the display pattern setting procedures refer to the PR300 Power and Energy Meter User s Manual IM 77C01E01 01E provided on the accompanying C
7. m m ne w s 1 Turn on the PR300 weer 45D 4 BOOS Yanama Measured Value screen CA The PR300 shows the station number for about 5 2 Hold down W for at least 3 seconds seconds then the Measured Value screen appears VT Ratio screen The parameter VT ratio appears LL Simultaneously hold down Al v and for at least 3 seconds 3 Specification Change Confirmation screen The Specification Change Confirmation screen appears 4 Using or ZY show YES lon the lower display Specification Change Confirmation screen BOE Yanama o SET ENT 5 Press once PROD m e ww me on x ITI i Phase and Wire System screen C_J The Phase and Wire System screen appears Using or Show the Voltage Range screen 6 Voltage Range screen The Voltage Range screen appears Parameter symbol for voltage range SET ENT Press E once Voltage Range Setting screen S58 The Voltage Range Setting screen appears Setpoint __ 8 Using or change the voltage range Voltage Range Setting screen SET ENT 9 Press twice to confirm the setpoint Pressing once causes all digits of the setpoint to start blinking Pressing once again confirms the setpoint and returns to the Voltage Range screen The voltage range t
8. n Change Confirmation screen appears Specification Change Confirmation screen A PRSOD m mre ww BSOVMOe vwawa o we on s SET ENT 5 Press once Phase and Wire System screen The Phase and Wire System screen appears Parameter symbol for phase and wire system a SET ENT 6 Press once SOMA Phase and Wire System Setting screen a The Phase and Wire System Setting screen appears a JPH 4 Switch the phase and wire system using 2 3 Phase and Wire System Setting screen pN PROD m me on wne SET ENT gz 8 Press twice to confirm the setpoint Measured Value A The PR300 shows the Startup screen for about 5 seconds then the Measured Value screen appears screen Setting completed elf single phase three wire system is selected the voltage range is fixed at 300V between PO and P1 PO and P2 The voltage range cannot be selected eThree phase four wire system 2 5 element can be used only when the voltage is in a state of equilibrium In addition the phase and wire system cannot be changed Range of Phase and Wire System Options Parameter Symbol Parameter Name I vt Phase and wire system ee oe A 1 al Setting Type Selection Setting Range Details Model and Suffix Codes PR300 30000 60 0
9. setting screen M To return to the Measured Value screen hold down SET ENT If you do not operate any key for more than 5 minutes on the Parameter screen the PR300 automatically returns to the Measured Value screen Setting completed When proceeding to set the CT ratio press once and start from step 3 in Section 2 2 Setting the CT Ratio Parameter Setting Types and Ranges Initial Value Parameter Symbol Setting Type Setting Range Details Factory set Parameter Name Value LIL Integral oe numeric 1 to 6000 1 VT ratio value Prior to proceeding to the following steps ensure that the PR300 is turned on and the Measured Value screen is displayed Measured Value screen 1 Hold down for at least 3 seconds YORDGANA gt VT Ratio screen _ C a eaea ana The parameter VT ratio appears 2 Press RA once EE w CT Ratio screen _ SS ead m we BOwOe YORD ANA The parameter CT ratio appears SET ENT 3 Press Bence PRS00D m wre w me o a CT Ratio Setting screen ee A The screen changes to the one for setting the parameter CE The lower display shows the current value and the decimal point blinks To move the decimal point use the following keys 7 To the left To the right 4 Press once to fix the position of the decimal point PRsoD m e ow mro n a
10. tting the Phase and Wire System This section explains how to set the phase and wire system by taking as an example the case when a three phase four wire system is changed to a three phase three wire system Startup screen A PR300 m we on ine ww D BEHE Yona gt 1 Turn on the PR300 Measured Value screen The PR300 shows the station number for about 5 seconds then the Measured Value screen appears SOMA Yanama SET ENT 2 Hold down for at least 3 seconds VT Ratio screen a The parameter VT ratio appears PRS00 m me o mro a w Simultaneously hold down m and for at least 3 seconds ABE yoroawa gt Phase and Wire System Setting screen sy 5 Pressing Phase and Wire System screen once causes all digits of the setpoint to start blinking Pressing 3 once again confirms the setpoint and returns to the Phase and Wire System screen The phase and wire system thus set is shown as the current value When proceeding to set the voltage range start from Step 6 in Section 1 2 Setting the Voltage Range with this screen figure on the left shown as is JFJ SET ENT 9 Hold down for at least 3 seconds PRS00 m we av ture rem Specification Change Confirmation screen Using or show on the lower display 4 kaea ves Loam a The Specificatio
11. ximum or minimum measured value is displayed DEMAND lamp Red Comes on when the measured value of demand power or demand current is displayed Only supported for a PR300 with the demand measuring function Operation keys In the measured value display mode this KOGAWA key is used for example to switch the display pattern Also used to set parameters on the Parameter screen In the measured value display mode this key is used for example to move from one digit to another in an energy reading Also used to set parameters on the Parameter screen In the measured value display mode this key is used for example to show the maximum minimum value Also used to set parameters on the Parameter screen Use to start or stop demand measurement The lamp green in the key lights in the demand measurement In the measured value display mode this key is used for example to switch the phase of voltage current Also used to set parameters on the Parameter screen 1 Set up the PR300 First A NOTE If you change the phase and wire system and the voltage range all parameters other than those related to RS 485 and Ethernet communications are initialized to factory set values Change the phase and wire system and the voltage range before setting parameters such as the VT and CT ratios 1 1 Setting the Phase and Wire System 1 Se

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