Atec Yokogawa-WT1800 - Manual (Page 17)

Specifications Specifications Specifications
18
Integration timer opped automatically using the timer setting. 0000h00m00s to Integration can be stopp
10000h00m00s
10000h00 00
Count over If the integration time reaches the maximum integration time (10000 hours),
or if the integration value reaches max/min display integration value
*1 ,
the elapsed time and integration value is saved and the operation is stopped.
*1: WP : ±999999 MWh
q : ±999999 MAh
WS : ±999999 MVAh
WQ : ±999999 Mvarh
Accuracy ±(Normal measurement accuracy + 0.02% of reading)
Timer accuracy ±0.02% of reading
Harmonic Measurement (Option)
Item Specification
Measured source All installed elements
Method PLL synchronization method (without external sampling clock function)
Frequency range Fundamental frequency of the PLL source is in the range of 0.5 Hz to 2.6 kHz.
PLL source • Select the voltage or current of each input element or the external clock.
• If the /G6 option is selected, two PLL sources can be selected, and dual
harmonic measurement can be performed. If the /G5 option is selected,
one PLL source is selectable.
• Input level
15 V or more of range for voltage input.
50 mA or more of range for direct current input.
200 mV or more of range for external current sensor input.
50% or more of the measurement range rating for crest factor 3.
100% or more of the measurement range rating for crest factor 6.
20 Hz to 1 kHz for the 1 A or 2 A range of the 50 A input element.
• The frequency fi lter ON condition is the same as with frequency measurement.
FFT data length 1024 when the data update rate is 50 ms, 100 ms, or 200 ms
8192 when the data update rate is 500 m, 1 s, 2 s, 5 s, 10 s, or 20 s
Window function Rectangular
Anti-aliasing fi lter Set using a line fi lter
Sample rate, window width, and upper limit of the measured order
1024 FFT points (data update rate 50 ms, 100 ms, 200 ms)
Upper limit of measured order
Fundamental frequency Sampling rate Window width U, I, P, Ø, ØU, ØI or other measured values
15 Hz to 600 Hz
f*1024 1 500th order 100th order
600 Hz to 1200 Hz f*512 2 255th order 100th order
1200 Hz to 2600 Hz f*256 4 100th order 100th order
However, the maximum measured order is 100 at a date update rate of 50 ms.
8192 FFT points (data update rate 500 m, 1 s, 2 s, 5 s, 10 s, 20 s)
Upper limit of measured order
Fundamental frequency Sampling rate Window width U, I, P, Ø, ØU, ØI or other measured values
0.5 Hz to 1.5 Hz
f*8192 1 500th order 100th order
1.5 Hz to 5Hz f*4096 2 500th order 100th order
5 Hz to 10 Hz f*2048 4 500th order 100th order
10 Hz to 600 Hz f*1024 8 500th order 100th order
600 Hz to 1200 Hz f*512 16 255th order 100th order
1200 Hz to 2600 Hz f*256 32 100th order 100th order
Item Specification
Accuracy Add the following accuracy to the normal measurement accuracy.
When the line fi lter is OFF
Frequency
Voltage Current Power
0.5 Hz ) f < 10 Hz 0.05% of reading
+ 0.25% of range 0.05% of reading
+ 0.25% of range 0.1% of reading
+ 0.5% of range
10 Hz ) f < 45 Hz 0.05% of reading
+ 0.25% of range 0.05% of reading
+ 0.25% of range 0.1% of reading
+ 0.5% of range
45 Hz ) f ) 66 Hz 0.05% of reading
+ 0.25% of range 0.05% of reading
+ 0.25% of range 0.1% of reading
+ 0.5% of range
66 Hz < f ) 440 Hz 0.05% of reading
+ 0.25% of range 0.05% of reading
+ 0.25% of range 0.1% of reading
+ 0.5% of range
440 Hz < f ) 1 kHz 0.05% of reading
+ 0.25% of range 0.05% of reading
+ 0.25% of range 0.1% of reading
+ 0.5% of range
1 kHz < f ) 10 kHz 0.5% of reading
+ 0.25% of range 0.5% of reading
+ 0.25% of range 1% of reading
+ 0.5% of range
10 kHz < f ) 100 kHz 0.5% of range 0.5% of range 1% of range
100 kHz < f ) 260 kHz 1% of range 1% of range 2% of range
• When the line fi lter is ON
Add the accuracy of the line fi lter to the accuracy of when the line fi lter is OFF
All the items below apply to any of the tables.
• When the crest factor is set to 3
• When
λ (power factor) = 1
• Power fi gures that exceed 2.6 kHz are reference values.
• For the voltage range, add the following values.
Voltage accuracy: 25 mV
Power accuracy: (25 mV/voltage range rating) × 100% of range
• For the direct current input range, add the following values.
5 A element
Current accuracy: 50 μA
Power accuracy: (50 μA/current range rating) × 100% of range
50 A element
Current accuracy: 4 mA
Power accuracy: (4 mA/current range rating) × 100% of range
• For the external current sensor range, add the following values.
Current accuracy: 2 mV
Power accuracy: (2 mV/external current sensor range rating) × 100% of range
• Add (n/500)% of reading to the n-th component of the voltage and current, and add (n/250)% of reading to
the n-th component of the power.
• Accuracy when the crest factor is 6: Same as when the range is doubled for crest factor 3
• The guaranteed accuracy range by frequency and voltage/current is the same as the guaranteed range of
normal measurement.
• The adjacent orders of the input order may be affected by the side rope.
• For n-th order component input when the PLL source frequency is 2 Hz or more, add ({n/(m+1)}/50)% of (the
n-th order reading) to the (n+m)th order and (n-m)th order of the voltage and current, and add ({n/(m+1)}/25)%
of (the n-th order reading) to the (n+m)th order and (n-m)th order of the power.
• For n-th order component input when the PLL source frequency is less than 2 Hz, add ({n/(m+1)}/20)% of (the
n-th order reading) to the (n+m)th order and (n-m)th order of the voltage and current, and add ({n/(m+1)}/10)%
of (the n-th order reading) to the (n+m)th order and (n-m)th order of the power.
Motor Evaluation Function (Option)
Item Specification
Input terminal Torque, speed (A, B, Z)
Input resistance Approximately 1 M 1
Input connector type Insulated BNC
Analog Input (Speed is input to the A terminal)
Item Specification
Range 1 V, 2 V, 5 V, 10 V, 20 V
Input range ±110%
Line fi lter OFF, 100, 1 kHz
Continuous maximum allowable input ±22 V
Maximum common mode voltage
±42 Vpeak
Sampling rate Approximately 200 kS/s
Resolution 16-bit
Accuracy ±(0.05% of reading + 0.05% of range)
Temperature coeffi cient ±0.03% of range/°C
Pulse Input
Speed is input to the A terminal if the direction is not detected. If the direction is detected, the A and B phases
of the rotary encoder are input to the A and B terminals. The Z phase is input to the Z terminal of the rotary
encoder for electric angle measurement.
g
Item Specification
Input range ±12 Vpeak
Frequency measurement range 2 Hz to 1 MHz
Maximum common mode voltage ±42 Vpeak
Accuracy ±(0.05 + f/500)% of reading ±1 mHz
Rise of the Z terminal input and electric angle measurement start time
Within 500 ns
Detection level H level: Approximately 2 V or more
L level: Approximately 0.8 V or less
Pulse width 500 ns or more
Harmonic measurement option (/G5 or /G6) is required for electric angle measurement.
Auxiliary Input (Option)
Item Specification
Input terminal AUX1/AUX2
Input type Analog
Input resistance Approximately 1 M 1
Input connector type Insulated BNC
Range 50 m, 100 m, 200 m, 500 m, 1 V, 2 V, 5 V, 10 V, 20 V
Input range ±110%
Line fi lter OFF/100 Hz/1 kHz
Continuous maximum allowable input
±22 V
Common mode voltage ±42 V
Sampling rate Approximately 200 kS/s
Resolution 16-bit
Accuracy ±(0.05% of reading + 0.05% of range)
• Add 20 μV/°C to the change in temperature after zero level compensation
or range change.
Temperature coeffi cient ±0.03% of range/°C
DA Output and Remote Control (Option)
DA Output
Item Specification
D/A conversion resolution 16-bit
Output voltage
±5 V FS (max. approximately ±7.5 V) relative to each rated value
Update rate Same as the data update rate
Output 20 channels (Output parameter can be set for each channel)
Accuracy ± (Accuracy of each measurement function +0.1% of FS) FS=5 V
Minimum load 100 k 1
Temperature coeffi cient ±0.05% of FS/°C
Continuous maximum common mode voltage
±42 Vpeak or less
Remote Control
Item Specification
Signal EXT START, EXT STOP, P P EXT RESET, INTEG BUSY, EXT HOLD, EXT SINGLE, EXT PRINT
Input level 0 to 5 V
Calculation and Event Function
Item Specification
User-defi ned function Compute the numerical data (up to 20 equations) with a combination of
measurement function symbols and operators.
Effi ciency calculation Up to 4 effi ciencies can be displayed by setting measurement parameters
for the effi ciency equations.
User-defi ned event Event: Set conditions for measured values.
The functions triggered by the event are Auto Print, Store, and DA Output.