Program Ramp − Acceleration; Program Ramp − Deceleration - GE VAT2000 Instruction Manual

Program ramp − acceleration
B41-0~7
Program ramp − deceleration
B42-0~7
The motor can be run with up to eight program frequency (speed) using the sequence
commands PROG and S0, S1, S2, S3, SE. The program ramp time can also be switched at
this time allowing individual acceleration or deceleration ramp for each speed.
If PROG is OFF, the program ramp time can be changed with S0, S1, S2, S3 and SE.
The ramp time selected with S0, S1, S2, S3 and SE is as shown below.
(1) For binary selection mode (B11-8=1)
SE
*
: SE and S3 are not used.
*
An example of combination with the program frequency (speed) setting is shown below.
(Note) The acceleration/deceleration ramp time-2 (B10-0, 1) will be selected by turning the
sequence command CSEL ON even when using the program ramp (B40-0=2).
6. Control Functions and Parameter Settings
Sequence command
S3 S2 S1 S0
OFF OFF OFF
*
OFF OFF ON
OFF ON OFF
OFF ON ON
ON OFF OFF
ON ON
OFF
ON ON OFF
ON ON ON
P ro gra m freq u e nc y - 2
(B 11 -2 )
P ro gra m freq u e nc y - 1
(B 11 -1 )
P ro gra m freq u e nc y - 0
(B 11 -0 )
R U N
P R O G
S 0
F o r b ina ry
m o de
S 1
(B 11 -8 = 1 )
S 2 (O F F )
S 0
F o r d irec t
S 1
s e le c t m od e
(B 11 -8 = 2 )
S 2
S E (O F F )
(1) For direct selection mode (B11-8=2)
Selected
Sequence command
ramp time
SE S3
OFF OFF
B41-0
B42-0
OFF OFF
B41-1
B42-1
OFF OFF
B41-2
B42-2
OFF OFF
B41-3
B42-3
OFF ON
B41-4
B42-4
ON OFF
B41-5
ON OFF
B42-5
B41-6
ON OFF
B42-6
B41-7 OFF
ON
B42-7
ON ON
When S0 to S3 are all OFF the latest ramp time
set value is hold. After power ON the latest
value is cleared to "0"
B 4 1-2
B 4 1-1
B 4 1-0
6-47
Selected
ramp time
S2 S1 S0
OFF OFF OFF Latest value
OFF OFF ON
B41-0
B42-0
OFF OFF
ON
B41-1
B42-1
OFF OFF
ON
B41-2
B42-2
OFF OFF OFF
B41-3
B42-3
OFF OFF OFF Latest value
OFF OFF ON
B41-4
B42-4
OFF ON OFF
B41-5
B42-5
OFF OFF
ON
B41-6
B42-6
OFF OFF OFF
B41-7
B42-7
B 4 2-1
B 4 2-0
B 4 2-0
Tim e