5.3 Description of Function Codes 5.3.2 E codes (Extension terminal functions)
Battery operation (operation possible for FRN0008G2S-2G to FRN0180G2S-2G and FRN0004G2□-4G
to FRN0150G2□-4G models)
The motor can be operated by the inverter with undervoltage status by the battery power.
Prerequisite of battery operation
(1) Terminal function BATRY (data = 59) can be assigned to any digital input terminal.
(2) As shown in Fig. 5.3-14 below, DC link bus voltage is supplied from the battery to the main circuit
(L1/R-L3/T or L2/S-L3/T).
(3) The specified voltage (sinusoidal waveform or DC voltage) is input to auxiliary power terminal (R0-
T0).
(4) The terminal that BATRY (data = 59) is assigned has to be turned on simultaneously with the MC2.
Fig. 5.3-12 Connection diagram example
Battery operation (when “BATRY” = ON)
(1) Undervoltage protection function (lV) becomes non-operating status.
(2) The inverter can operate the motor even under the undervoltage condition.
(3) Operation ready complete RDY signal is turned off.
(4) The circuit of charging resistor is shorted (73X = ON) after the delay time T1 from the “BATRY” terminal being
turned ON. (73X = ON). In addition, after the delay time T2 (max. 0.1 sec.), the battery operation starts. For
T1 specifications, see Table 5.3-9 on the next page.
Fig. 5.3-13 Battery operation timing chart
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