Unique functions you expect from
NF —
a company with unparalleled knowledge about AC
power
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Current
limiter
function
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| Output current limits can be set with
peak value and RMS value. With peak value setting, both
positive and negative current values can be set. It is
possible to continue output current limitation after limit
operation using a setting, or to turn output off after
continuing the limited state for a set time. When evaluating
a prototype, this is useful for protection in case there is
an abnormal current due to abnormal operation of the load.
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 Setting
Positive/negative peak current value and RMS current value
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Limiter operation
Self-recovery (continuous) or output off
Possible to designate the time to continue the limited state
until output off (1 s to 10 s, resolution 1 s) |
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Protection
function |
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| The DP Series has a built-in function
for protecting the power supply itself if a problem occurs
due to issues such as output overvoltage or overcurrent,
power unit trouble, internal control problems in areas such
as the operation panel or communication, a rise in ambient
temperature, or a drop in AC line voltage. If a problem
occurs, it is displayed on the panel and output is turned
off. This is used together with the current limiter function
for protection against overcurrent, and it is possible to
select either self-recovery after elimination of the
problem, or output off after a designated time. |
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Set
range limit function
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| This prevents load malfunction due to
mis-operation or other problems by limiting the setting
range for the output voltage upper limit and the frequency
upper and lower limits. |
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Remote
sensing / AGC / Auto Cal
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| There are cases where a voltage drop
occurs at the load end due to wiring. The DP Series is
equipped with functions to always supply the set voltage.
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Remote
Sensing
Switches the voltage detection point used for measurement
and output voltage correction to either output terminal or
sensing input terminal. Output is corrected by using this
together with AGC and Auto Cal. |
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AGC (Automatic
Gain Control)
This function performs continuous correction to ensure a
match between the RMS values of the detection point voltage
and the output voltage setting. Correction is performed
automatically to maintain the same value as the setting
value, even if the load fluctuates. |
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Autocal (Auto
Calibration)
Each time Auto Cal is turned on, this function measures the
detection point voltage and performs correction to ensure
that the output voltage RMS value is equal to the voltage
setting value. |
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Other
features
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