Chapter 2 Syntax
2-37
DECEL
Variable name
Range of values
Default
Unit
Data size
Attribute
Deceleration time setting
1 to 360000
Note 1
0.01
second
Unsigned
2-word data
Readable
and writable
- Explanation
This variable can be used to read and write the motor deceleration time in the inverter. The deceleration time setting using this
variable is enabled only when the setting of accel/decel time input selection (P031) is “03” (PRG). (The setting of this variable
does not correspond to the setting of inverter parameter “F003”.) The data written to this variable is not stored in the inverter's
EEPROM. This variable will restore the initial setting when the inverter power is turned off.
Note 1 : Default (the inverter power is turned on) deceleration time follows the deceleration (1) time setting “F003”,
“F203”, or “F303”. For details, refer to the Inverter Instruction Manual.
Note 2 : When a program writes a value to this variable, the value is reflected in the inverter in a 40-ms cycle, which
conforms to the standard inverter specifications.
- Sample program :
Program to change the deceleration time according to output frequency
(Code area [Code Window])
Label
Mnemonic
parameter1
parameter2
parameter3
parameter4
parameter5
㩷
㩷
㩷 䋺
㩷
㩷
㩷
㩷
㩷
㩷
㩷
DECEL=
㩷
㩷
3000
㩷
㩷
: Set the deceleration time to 30 seconds.
㩷
FW= 0
㩷
㩷
㩷
: Start deceleration of the motor.
㩷
wait FM
<
U(04)
㩷
㩷
: Wait until the output frequency falls below
55 Hz.
㩷
DECEL=
㩷
㩷
1000
㩷
㩷
: Change the deceleration time to 10
seconds.
㩷
wait FM
<
U(03)
㩷
㩷
: Wait until the output frequency falls below
50 Hz.
㩷
DECEL=
㩷
㩷
500
㩷
㩷
: Change the deceleration time to 5
seconds.
㩷
wait FM
<
U(02)
㩷
㩷
: Wait until the output frequency falls below
30 Hz.
㩷
DECEL=
㩷
㩷
1000
㩷
㩷
: Change the deceleration time to 10
seconds.
㩷
wait FM
<
U(01)
㩷
㩷
: Wait until the output frequency falls below
10 Hz.
㩷
DECEL=
㩷
㩷
3000
㩷
㩷
: Change the deceleration time to 30
seconds.
㩷
wait FM
<
U(00)
㩷
㩷
: Wait until the output frequency falls below
5 Hz.
㩷
DECEL=
㩷
㩷
6000
㩷
㩷
: Change the deceleration time to 60
seconds.
㩷
wait RUN
= 0
㩷
㩷
: Wait until the motor stops.
㩷
Y(01)=
1
㩷
㩷
㩷
: Turn Y (00) on when acceleration ends.
㩷
㩷 䋺
㩷
㩷
㩷
㩷
㩷
㩷
(Data area [Data Window])
U (00) = 500
: Set the frequency of 5 Hz in variable “U (00)”.
U (01) = 1000
: Set the frequency of 10 Hz in variable “U (01)”.
U (02) = 3000
: Set the frequency of 30 Hz in variable “U (02)”.
U (03) = 5000
: Set the frequency of 50 Hz in variable “U (03)”.
U (04) = 5500
: Set the frequency of 55 Hz in variable “U (04)”.
U (05) = 6000
: Set the frequency of 60 Hz in variable “U (05)”.
(Parameters)
P031 = 03
Summary of Contents for NT2021XA
Page 4: ... Safety Instructions ...
Page 8: ... Contents ...
Page 10: ...Chapter 1 Outline of EzSQ ...
Page 14: ...1 4 Chapter 1 Outline of EzSQ ...
Page 16: ...Chapter 2 Syntax ...
Page 68: ...2 52 Chapter 2 Syntax ...
Page 70: ...Chapter 3 Interface with the Inverter ...
Page 80: ...3 10 Chapter 3 Interface with the Inverter ...