7 Detailed Functions
7 - 40
High-function General-purpose Inverter 3G3RX-V1 User’s Manual (I578-E1)
• Use this setting to apply DC injection braking with the setting of the DC Injection Braking Power
(A054), if the frequency reference falls to or below the value set in the DC Injection Braking
Frequency (A052) with the RUN command ON.
• Selecting this setting disables the DC injection braking applied during startup/stop and the
multi-function input terminal allocated to 07: DB (External DC injection braking).
• DC injection braking starts when the frequency reference falls to or below the DC Injection Braking
Frequency (A052). (Example 7-a)
• When the reference frequency becomes 2 Hz higher than the value set in the DC Injection Braking
Frequency (A052), the inverter releases DC injection braking and returns to normal output. (Example
7-a)
(a) Edge operation (b) Level operation
(i) During startup (Example 4-a)
(i) During startup (Example 4-b)
(ii) During stop (Example 5-a) (ii) During stop (Example 5-b)
(iii) During stop (Example 6-a)
(iii) During stop (Example 6-b)
DC Injection Braking (Operates Only at Set Frequency) (A051 = 02)
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