User Manual
EM303A General Purpose Inverter
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9 ON OFF OFF OFF Preset Speed 8 F3-07
10 ON OFF OFF ON Preset Speed 9 F3-08
11 ON OFF ON OFF Preset Speed 10 F3-09
12 ON OFF ON ON Preset Speed 11 F3-10
13 ON ON OFF OFF Preset Speed 12 F3-11
14 ON ON OFF ON Preset Speed 13 F3-12
15 ON ON ON OFF Preset Speed 14 F3-13
16 ON ON ON ON Preset Speed 15 F3-14
Precautions for setting:
★ F0-04 defines start/stop of inverter in preset speed operation mode.
★ External terminals set the acceleration/deceleration time in preset speed operation
mode.
★ Terminals F/R and RUN determines the running direction of motor in preset speed
operation mode.
No.
Function
Range
Unit Default
Type
F3-15 Acceleration Time 2 0.00～600.00 S/min 15.00 ●
F3-16 Deceleration Time 2 0.00～600.00 S/min 15.00 ●
F3-17 Acceleration Time 3 0.00～600.00 S/min 15.00 ●
F3-18 Deceleration Time 3 0.00～600.00 S/min 15.00 ●
F3-19 Acceleration Time 4 0.00～600.00 S/min 15.00 ●
F3-20 Deceleration Time 4 0.00～600.00 S/min 15.00 ●
Acceleration time is the time taken for output frequency to rise from 0Hz up to the
maximum frequency Fmax set by F0-16. Deceleration time is the time taken for
output frequency to drop from Fmax down to 0Hz. Both of them are not related to
forward/reverse.
EM303A provides 4 kinds of acceleration times and 4 kinds of deceleration times.
Each of them is set by independent parameter. There are 2 multi-function input
terminals which can be set as acceleration/deceleration time terminal 1 and 2. They
are programmable when inverter is running, and acceleration/deceleration time can be
changed immediately. See Table 7-5 for the programming mode of
acceleration/deceleration time terminal 1 and 2.
Table 7-5 Programming mode of acceleration/deceleration time terminals
Acceleration/Deceleration
Time Terminal 1
Acceleration/Deceleration
Time Terminal 2
Acceleration
Time/No.
Deceleration
Time/No.
OFF OFF 1 F0-09 1 F0-10
ON OFF 2 F3-15 2 F3-16
OFF ON 3 F3-17 3 F3-18
ON ON 4 F3-19 4 F3-20
As shown in Table 7-5, acceleration/deceleration time refers to acceleration time 1
and deceleration time 1 in regular operation mode (without using
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