
5.8 DDC Instructions
5.8.12 Linear Accelerator/Decelerator 2 (SLAU)
5-185
( 2 ) Format
∗ 1. This data type can be used only for version 2.30 or higher. For earlier versions, the lower 16 bits of the double-
length integer are used in the calculations as an integer.
∗ 2. C and # registers cannot be used.
[ a ] Parameter Table Configuration for SLAU Instruction with Integers
∗ The relay input and output bits are assigned as follows. (Close = Bit change to 1 (ON), Open = Bit change to 0
(OFF))
Parameter Name
Applicable Data Types
B W L F A Index Constant
Input speed (In)
×
{
{
*1
{
×
{
×
First address of parameter
table (Prm)
××××
{
*2
{{
Output speed (Out)
×
{
*2
{
*1
,
2
{
*2
×
{
×
First address of
parameter table
Output speed
Input speed
Icon:
Key entry: SLAU
Address
Data
Type
Symbol Name Specification I/O
0WRLY
Relay I/O
Relay inputs and relay outputs
*
IN/OUT
1WLV
100% level of input Scale for 100% input
IN
2WAT
Acceleration time Time to accelerate from 0% to 100% (0.1 s)
IN
3WBT
Deceleration time Time to decelerate from 100% to 0% (0.1 s)
IN
4WQT
Quick stop time Time to make a quick stop from 100% to 0% (0.1 s)
IN
5WAAT
Acceleration S-curve time Acceleration S-curve region time (0.01 to 32.00 s)
IN
6WBBT
Deceleration S-curve time Deceleration S-curve region time (0.01 to 32.00 s)
IN
7W V
Current speed SLAU output (output to Out)
OUT
8 W DVDT1
Current acceleration/
deceleration rate 1
Scaling with the normal acceleration rate set to 5,000
OUT
9W –
(Reserved.) Spare register
–
10 W ABMD
Speed increase when
holding
Amount of speed change until the speed stabilizes
after the hold command is executed
OUT
11 W REM1
Remainder Remainder of the acceleration/deceleration rate
OUT
12 W –
(Reserved.) Spare register
–
13 W VIM
Previous speed reference
For storage of the previous speed reference input
value
OUT
14 L DVDT2
Current acceleration/
deceleration rate 2
1,000 times the actual acceleration/deceleration
OUT
16 L DVDT3
Current acceleration/
deceleration rate 3
Current acceleration/deceleration rate ( = DVDT2/
1,000)
OUT
18 L REM2
Remainder
Remainder of the S-curve region acceleration/decel-
eration rate
OUT
20 W REM3
Remainder Remainder of the current speed
OUT
21 W DVDTK
DVDT1 coefficient
Scaling factor for DVDT (Current acceleration rate 1)
(-32,768 to 32,767)
OUT
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