YOKOGAWA Power Series Plus IM 2493WVP-1 User Manual Download Page 9 | Manualshive

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4. KEYMAP

IM 2493WVP-1

7

This flowchart illustrates the operation of the POWER SERIES

Plus

meter using

the push-keys on the front panel.

This flowchart depicts the front panel key options when operating in normal reading
mode. The options are:

Mode-Mode – Invokes change setting menu (see flow chart page 8).

Mode – Next – Not applicable to WAH/VAR/PF units.

Mode – Max – Displays Max Readings.

Mode – Min – Displays Min Readings.

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Summary of Contents for Power Series Plus IM 2493WVP-1

Page 1: ...Users Power Series Plus Manual Power Series Plus Watt VAR Power Factor Digital Switchboard Meter IM 2493WVP 1 IM 2493WVP 1 Revision 1 October 1999 ...

Page 2: ...ing the 2493 POWER SERIES Plus Meter 5 Keymap 7 Changing Settings 8 Changing the potential transformer pt ratio setting 9 Changing the current transformer ct ratio setting 10 Changing the rolling average setting 11 Changing the network address setting 12 Changing the baud rate setting 12 Analog Output Scaling 13 Changing the Analog Output Settings 14 Connection Diagrams 19 Mounting and Outline 22 ...

Page 3: ...or any reason both Auxiliary Power and input voltages and currents must be de energized Limited Warranty This meter has been delivered to you after strict quality control and inspection Yokogawa Corporation of America 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 origin...

Page 4: ...orized 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 the loss of revenue or production ...

Page 5: ... Celsius STORAGE TEMPERATURE RANGE 40 to 85 Celsius INPUT RANGES 0 120 VAC or 0 240 VAC any combination of Volts Amps 0 1 Amp AC or 0 5 Amps AC 0 05 Lead to Unity to 0 05 Lag Power Factor TRANSFORMER RATIO RANGES Potential Transformer 1 1 through 1250 1 Current Transformer 1 1 through 5000 1 Combined PT CT 1 1 through 357910 1 ANALOG OUTPUTS Optional 0 1 1 mADC 10 VDC compliance into 10 kΩ 4 20 mA...

Page 6: ...CATIONS IM 2493WVP 1 4 ISOLATION Input Output and Case 2500 VAC Output to Aux Power 2000 VAC or 500 VDC for DC powered options Aux Power to Case 2000 VAC or 500 VDC for DC powered options Output to Case 1000 VAC ...

Page 7: ...ncrement the value being changed It is also used to display Max readings This button when viewing or changing settings is used to select a mode save it and then move to the next mode in the sequence It is also used to display Min readings All button operations are begun with the Mode button To see the Min or Max push the Mode button and then the button of the reading you want to see Min or Max The...

Page 8: ...3WVP 1 6 following pages for details on how to change the settings Once a setting is changed it will advance to the next setting At any point while changing settings pressing Mode will exit the mode without changing anything ...

Page 9: ...ing the push keys on the front panel This flowchart depicts the front panel key options when operating in normal reading mode The options are Mode Mode Invokes change setting menu see flow chart page 8 Mode Next Not applicable to WAH VAR PF units Mode Max Displays Max Readings Mode Min Displays Min Readings ...

Page 10: ...te This flowchart gives information pertaining to units equipped with YCA communications or no communications option The setup flow is slightly different for units with MODBUS communications See the Power Series communications manual IM 249x COMM for details ...

Page 11: ... the next Inc Pressing Set again will bring you to the Multiplier Kilo setting In the leftmost digit you will see a blinking and if the multiplier light is on it will also blink You can change the setting by pressing Inc The next time you press Set the value of the secondary will blink To change the value press Inc There are only two choices 1 or 120 1 or 240 if the input range is 0 240V Pressing ...

Page 12: ...alue will be displayed in the middle row and the secondary value will be shown in the bottom row Press Set and the first digit of the primary value will begin blinking You can increment the value of this digit by pressing Inc Once a digit has reached 9 nine it will then go to 0 zero To move to the next digit press Next You can return to the first digit by pressing Next while the last digit is blin...

Page 13: ...he secondary The ratio of the Primary and Secondary must be between 1 000 and 5000 If the PT is also set the combined ratio of CT PT cannot exceed 357910 This is the mathematical limit to the software You will get ErrH or ErrL if you try to advance to Confirm mode with an incorrect ratio If you try to save a ratio value that exceeds the precision of the unit that value will be automatically rounde...

Page 14: ...this will restore the old setting The average can be set to any value from 0 to 29 Changing the Network Address setting The Address setting is changed in exactly the same way as the Average setting The address can be set to any value from 01 to 32 NOTE Please make sure that no two units have the same address After saving the value you will move to the Baud Rate setting Changing the Baud Rate setti...

Page 15: ...he LO is the input value at which the output will be 0 mA The HI is the input value at which the output will be 1 mA The charts at right show the relationship of input and output When the settings are changed to PT ratio 1 to 1 CT ratio 1 to 1 LO 50 Watts HI 450 Watts The new relationship of input and output is shown at right Next the PT ratio is changed to 2 to 1 2 1 Note that the HI and LO for i...

Page 16: ... configured to be a 1mA unit and still has a LO setting of 100 watts then at 100 watts the output will be 0 mA but at 70 watts the output will be 0 1 mA and at 200 watts the output is 1 0 mA In this same example while set as a 1 mA unit the LO could not be set any lower than 250 because the span between HI and LO cannot extend lower than the Minimum LO which in this case is 900 See tables below fo...

Page 17: ...it is blinking Another press of Next will make the digits shift back right and the sign dash will be visible and blinking This shift will also occur when setting the decimal point When the decimal point is with the first second or third digit the fourth digit will not be visible When the decimal point is with the fourth digit the sign dash will not be visible The rest of the procedure for changing...

Page 18: ...hen the PT or CT ratio is large this will result in rounding if you try to set a value too precisely For example If a 1phase 2wire 120V 5A meter has a PT ratio of 1000 1 then the output settings for watts and VARs must be in units of 100 because you are now dealing with a range of values from 900 000 to 900 000 Trying to set a value to 124 or another value not divisible by 100 will result in the v...

Page 19: ...40V 5A 0 0 3000 5400 5400 1500 For Output 2 VARs Defaults Input LO2 HI2 Range Limits Span Minimum 2Wire 120V 1A 100 0 lag 100 0 lead 180 0 lag 0 180 0 lead 50 00 2Wire 240V 1A 200 0 lag 200 0 lead 360 0 lag 0 360 0 lead 100 0 2Wire 120V 5A 500 0 lag 500 0 lead 900 0 lag 0 900 0 lead 250 0 2Wire 240V 5A 1000 lag 1000 lead 1800 lag 0 1800 lead 500 0 3Wire 120V 1A 200 0 lag 200 0 lead 360 0 lag 0 360...

Page 20: ...set a value lower than the minimum LO or higher than the maximum HI The span between the LO and HI must not be smaller than the minimum span So with a 2 Wire 120V 1A wattmeter you could set the LO to 0 and the HI to 50 Or you could set the LO to 110 and the HI to 160 But you could not set the LO to 60 and the high to 90 90 minus 60 is less than 50 If a value is too low you will get the error ErrL ...

Page 21: ...6 CONNECTION DIAGRAMS 6 CONNECTION DIAGRAMS IM 2493WVP 1 19 Connection Diagrams Part 1 WARNING All circuits should be de energized when making connections to the rear terminal block ...

Page 22: ...6 CONNECTION DIAGRAMS IM 2493WVP 1 20 Connection Diagrams Part 2 WARNING All circuits should be de energized when making connections to the rear terminal block ...

Page 23: ...6 CONNECTION DIAGRAMS IM 2493WVP 1 21 Connection Diagrams Part 3 All circuits should be de energized when making connections to the rear terminal block ...

Page 24: ...6 CONNECTION DIAGRAMS IM 2493WVP 1 22 Mounting and Outline ...

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