47
4. Parameter description
Parameter
• Provided that the values of P.24~P.27 and P.142~P.149 are all defaulted, ‘3-speed operation’ is
active. In this case, the target frequency can be set as follows (the priority for the terminals is
RL>RM>RH):
Parameter
Target
frequency
P.24=
9999
P.25=
9999
P.26=
9999
P.27=
9999
P.142=
9999
P.143=
9999
P.144=
9999
P.145=
9999
P.146=
9999
P.147=
9999
P.148=
9999
P.149=
9999
RL
（
P.6
）
○
○
○
○
○
○
○
○
RM
（
P.5
）
○
○
○
RH
（
P.4
）
○
For example: if P.26=9999, the target frequency is determined by RM (the setting value of P.5).
Note: 1. Only in ‘external mode’, ‘combined mode 2’ or ‘combined mode 4’, the multi-speed is valid.
2. RL, RM, RH and REX mentioned in this section are the function names of the ‘multi-function control
terminal’. (For example: P.80=2, M0 terminal is chosen to perform the RL function). Please refer to
P.80~P.84, P.86 for multi-function selection, and refer to section 2-5 for wiring.
3. If P.187=1, the parameters from P.4 to P.6, from P.24 to P.27 and from P.142 to P.149 are in the range of
0~1000Hz.
4.5
“Acceleration/deceleration time (P.7, P.8, P.20, P.21, P.44, P.45)
P.7 “Acceleration time”
P.8 “Deceleration time”
P.20 “Acceleration/deceleration
reference frequency”
P.21 Acceleration/deceleration time
increments
P.44 “Second acceleration time”
P.45 “Second deceleration time”
Related parameters
P.47
“
Second base frequency
”
P.3
“
Base frequency
”
P.29
“
Acceleration/deceleration
pattern selection
”
P.80~P.84, P.86
“
Multi-function terminal selection
”
P.189
“
Default function
”
● When the output frequency of the inverter is accelerated from 0Hz to P.20, the required time is
defined as ‘acceleration time (P.7)’.
● When the output frequency of the inverter is decelerated from P.20 to 0Hz, the required time is
defined as ‘deceleration time (P.8)’.
● P.21 is used to set the acceleration/deceleration time and minimum setting increments.
