GE VAT2000 Instruction Manual page 103

Block-C parameters (Extended function constants) list
No. Parameter
C24 – Speed detection error monitor
0 Overspeed protection
level
1 Control mode change-
over during speed
detection error
Speed detection error
2
level
3 Speed detection error
recovery level
C25 – High-efficiency operation
0 Voltage reduction time
1 Voltage lower limit
setting value
C26 – Standard serial transmission setting
0 Parameter change
lock
1 Station Number
2 Response timer
Refer to instruction manual (PCST-3298)
6. Control Functions and Parameter Settings
Unit Default Min.
% 105.0 100.0
1. 1.
% 10.0 1.0
% 5.0 1.0
sec 1.0 0.1.
% 100. 10.
1. 1.
1. 0.
sec 0.00 0.00
Max. Function
200.0 The overspeed protection operation
level is set.
3. Select control at speed detection error
= 1 : Speed detection error not
monitored
= 2 : Speed detection error
monitored (Do not change to
sensor-less vector control)
= 3 : Speed detection error
monitored (Switch to sensor-
less vector control)
The conditions for judging the speed
100.0
detection error are set.
Set as C24-2 ≥ C24-3.
100.0
30.0 Set the time for the output voltage to
drop from the V/f setting value to 0V.
100. When selecting a high-efficiency
operation function, set 10 to 99.
5. The parameters are shown in below
table
Block B, C
Sett-
Block Basic
ing
A tend
value



1
2 X X


3 X


4 X


5 X


: Changeable X: Lock
32. Set the station number
2.00 Set the minimum time for returning an
answer after receiving the command
6-28
Application
ST V/f VEC PM




Ex- S/W H/W






X X X
X X X


X X



X