10. Specifications
PROGRAMMABLE AC POWER SOURCE
268
Specifications are valid under the following settings and conditions and after a warm-up period of
30 minutes at least, unless otherwise noted.
Load: Resistive load, power factor = 1.
Signal source: INT (internal signal source).
Output voltage waveform: sine.
Remote sensing: off.
AGC/Autocal: off.
Current limiter: factory default setting.
Output terminal: output terminal block on the rear panel.
[set] indicates a setting value, and [rdg] indicates a read value.
The description noted with "/" indicates that the specification changes by the output range, such as
"100 V range specification / 200 V range specification."
The input voltage is noted as line voltage in three-phase four-wire input, unless otherwise noted.
A value with the accuracy is the guaranteed value of the specification. However, an accuracy
noted as reference value shows the supplemental data for reference when the product is used, and
is not under the guarantee. A value without the accuracy is the nominal value or representative
value (shown as typ.).
The DP series and DP series Type R, other than single-phase three-wire models (DP030D,
DP060D, DP090D, DP120D, DP030RD, DP060RD, DP090RD), corresponds to Clause 2 (8)
Frequency converter, Appendix 1 of Export Trade Control Ordinance of Japan. The permission for
exportation of the Japanese Administration is necessary for export outside Japan.
Notes on Polyphase System
Single-phase three-wire (1P3W) system can be configured by connecting 2 single-phase models.
Three-phase four-wire (3P4W) system can be configured by connecting 3 single-phase models in
the same way. These are called as polyphase system. Refer to Table 1-3 to Table 1-5 for the
combination of the single-phase models which can configure the polyphase system.
Firmware discriminates power capacity and polyphase type at the start-up process just after
turning on the system connected with an optional system cable (either 1P3W or 3P4W type), and
the system starts to operate as that power capacity and polyphase type.
Output Lo terminals connected together become a neutral point (N terminal) in both the 1P3W and
3P4W system. Hi terminals are called L1, L2, and L3, respectively (L3 exists only in 3P4W
system). The cabinet to which the L1 connector of the System Cable is connected operates as
master. The cabinets to which L2 and L3 is connected operate as slave. Output voltage is defined
with phase voltage (L1, L2, and L3 to N) in this document unless otherwise noted.
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