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2. SPECIFICATIONS

2. SPECIFICATIONS

IM 2493AAA-1

3 in 1 AC Current Specifications

PRODUCT FUNCTION:

AC Amps, 3 Phases

ACCURACY:

0.2% of Reading

0.1% of Full Scale

DISPLAY UPDATE RATE:

Channel A: 80 milliseconds

Channel B & C : 160 milliseconds

OPERATING TEMPERATURE RANGE: -20 to +60

Celsius

STORAGE TEMPERATURE RANGE:

-40 to +85

Celsius

INPUT RANGES:

0-1 Amp AC or 0-5 Amp AC

CURRENT TRANSFORMER
RATIO RANGE:

1:1 through 5000:1

ANALOG OUTPUTS (Optional):

0 – 1 mADC,

10 VDC compliance

into 10 k

Ω

4 – 20 mADC, 15 VDC compliance
into 750

Ω

ANALOG OUTPUT
RESPONSE RATE:

within

1% of final value within 1.0

second

ISOLATION:

Input/Output and Case:

2500 VAC

Output to Aux. Power:

2000 VAC or 500 DC for DC-powered
option

Aux. Power to Case:

2000 VAC or 500 DC for DC-powered
option

Output to Case:

1000 VAC

Содержание Power Series Plus IM 2493AAA-1

Страница 1: ...Users Power Series Plus Manual Power Series Plus 3 in 1 AC Current Digital Switchboard Meter IM 2493AAA 1 1 IM 2493AAA 1 Revision 1 October 1999 ...

Страница 2: ...s 3 Configuration 4 Configuring the 2493 POWER SERIES Plus Meter 4 Keymap 6 Changing Settings 7 Changing the current transformer ct ratio setting 8 Changing the rolling average setting 9 Changing the network address setting 10 Changing the baud rate setting 10 Analog Output Scaling 11 Changing the Analog Output Settings 12 Connection Diagrams 14 Mounting and Outline 15 ...

Страница 3: ...assembled for any reason both auxiliary power and all inputs 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 original Pur...

Страница 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 ...

Страница 5: ...AGE TEMPERATURE RANGE 40 to 85 Celsius INPUT RANGES 0 1 Amp AC or 0 5 Amp AC CURRENT TRANSFORMER RATIO RANGE 1 1 through 5000 1 ANALOG OUTPUTS Optional 0 1 mADC 10 VDC compliance into 10 kΩ 4 20 mADC 15 VDC compliance into 750 Ω ANALOG OUTPUT RESPONSE RATE within 1 of final value within 1 0 second ISOLATION Input Output and Case 2500 VAC Output to Aux Power 2000 VAC or 500 DC for DC powered option...

Страница 6: ...s also used to display Max readings This button when 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 values will display for ten 10 seconds before r...

Страница 7: ...3 CONFIGURATION IM 2493AAA 1 5 changed it will advance to the next setting At any point while changing settings pressing Mode will exit the mode without changing anything ...

Страница 8: ... 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 7 Mode Next Not applicable on A A A units Mode Max Displays Max Readings Mode Min Displays Min Readings ...

Страница 9: ... flowchart gives information pertaining to units equipped with YCA communications option or no communications option The setup flow is slightly different for units with MODBUS communications option See the Power Series communications manual IM 249X COMM for details ...

Страница 10: ...st position it will jump to the first position on 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 If you have a 5 Amp unit the next time you press Set the value of the secondary will blink To change the value press Inc There are...

Страница 11: ...s the displayed value to be an average of the number of samples to which this parameter is set Increasing this setting will reduce digit bounce but will slow the display response time The analog output response time is not affected by this setting When you reach the Average setting press Set and the first digit will begin blinking To increment the value of the digit press Inc Once a digit has reac...

Страница 12: ...her unit will be able to communicate After saving the value you will move to the Baud Rate setting Changing the baud rate setting When you reach the setting press Set and the whole value will begin blinking To change it to the next choice press Inc You can scroll through all the choices with the Inc key Those choices are 9600 default 4800 2400 and 1200 When you have reached the desired choice pres...

Страница 13: ...CT ratio 1 to 1 Analog Output LO 0 Amps Analog Output HI 5 Amps The 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 CT ratio 1 to 1 LO 1 Amp HI 4 Amps The new relationship of input and output is shown at right Next the CT ratio is changed ...

Страница 14: ...of the blinking digit by pressing Inc Once a digit has reached 9 nine it will go to 0 zero on the next press of Inc When you have set the digits as you want them press Set The decimal point will now be blinking You can then move the decimal point to the right by pressing Inc Once it has reached the last position it will jump to the first position on the next press of Inc Pressing Set again will br...

Страница 15: ...value not divisible by 100 will result in the value being rounded to the nearest 100 s The following values apply to the POWER SERIESPlus Ammeters Model Default LO Minimum LO Default HI Maximum HI Minimum Span 1 Amps 0 0 0 0 1 0 1 8 0 5 5 Amps 0 0 0 0 5 0 9 0 2 5 The above values are without any scaling by the CT ratio If the CT ratio is greater than 1 to 1 than the output setting values above mus...

Страница 16: ...5 CHANGING SETTINGS IM 2493AAA 1 14 dropped below that the lower end of the output is limited to 3 04mA for a 4 20mA unit A 0 1mA unit can never go below 0mA ...

Страница 17: ...6 CONNECTION DIAGRAMS 6 CONNECTION DIAGRAMS IM 2493AAA 1 15 All circuits should be de energized when making connections to the rear terminal block ...

Страница 18: ...6 CONNECTION DIAGRAMS IM 2493AAA 1 16 Mounting and Outline ...

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