5-9
IM DR231-01E
Setting the Input Type/Recording Span/Linear Scaling
5
Setting the Recording Span (SPAN)
Set the left and right spans within the limits of an input range. In the SPAN menu item, the left-
hand value is the left span and the right-hand value the right span. Set the recording span within
the measuring range. The measurable limits vary depending on the measuring range you select,
as shown below.
25V-0.5A
25V-5A
250V-0.5A
250V-5A
Effective voltage
0.00 to 25.00V rms
0.00 to 25.00V rms
0.0 to 250.0V rms
0.0 to 250.0V rms
Vi (i=1,2,3,13,0)
Effective current
0.0000 to 0.5000A rms 0.000 to 5.000A rms
0.0000 to 0.5000A rms
0.000 to 5.000A rms
Ii (i=1,2,3,13,0)
Active power
–12.50 to 12.50W
–125.0 to 125.0W
–125.0 to 125.0W
–1250 to 1250W
P1,P2,P3
Active power
–25.00 to 25.00W
–250.0 to 250.0W
–250.0 to 250.0W
–2500 to 2500W
P13
Active power
–37.50 to 37.50W
–375.0 to 375.0W
–375.0 to 375.0W
–3750 to 3750W
P0
Apparent power
0.00 to 12.50VA
0.0 to 125.0VA
0.0 to 125.0VA
0 to 1250VA
VA1,VA2,VA3
Apparent power
0.00 to 25.00VA
0.0 to 250.0VA
0.0 to 250.0VA
0 to 2500VA
VA13
Apparent power
0.00 to 37.50VA
0.0 to 375.0VA
0.0 to 375.0VA
0 to 3750VA
VA0
Reactive power
0.00 to 12.50Var
0.0 to 125.0Var
0.0 to 125.0Var
0 to 1250Var
Var1,Var2,Var3
Reactive power
0.00 to 25.00Var
0.0 to 250.0Var
0.0 to 250.0Var
0 to 2500Var
Var13
Reactive power
0.00 to 37.50Var
0.0 to 375.0Var
0.0 to 375.0Var
0 to 3750Var
Var0
Power factor
–1.00 to 1.00
–1.00 to 1.00
–1.00 to 1.00
–1.00 to 1.00
PFi(i=1,2,3,13,0)
Phase
–80.0 to 80.0deg
–80.0 to 80.0deg
–80.0 to 80.0deg
–80.0 to 80.0deg
PHi(i=1,2,3,13,0)
Frequency
45.00 to 65.00Hz
45.00 to 65.00Hz
45.00 to 65.00Hz
45.00 to 65.00Hz
FREQ
Precautions in Measurement
• Input the voltage or current being measured at a level between 10% and 100% of the measuring
range. The DR recorder bases its calculations of all other parameters on the frequency of V1.
Extra care must therefore be taken when setting the input level of V1. If the input level fails to
fall within the given limits, there is no guarantee that the measurement of any other parameters
will be reliable.
5.3 Configuring the Input Range and Recording Span or the Linear Scaling of a Power Monitoring Channel
Содержание DR231
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