COTRUST CTH200 Series - Page 298

Appendix
288
② Function: set maximum acceleration ( = MAX_SPEED/TA) (TA≠0) (if the instruction isn’t
called, indicate the maximum acceleration has not been set)
③ Parameter
Name
I/O
Description
Type
Value
range
Note
MAX_SPE
ED
IN
Maximum speed of
long-axis run
Unit: HZ
Dword
0~200000
Modifiable in the
process
TA
IN
Time of ACC
Unit: ms
Dword
0~10000
Modifiable in the
process
Calculate
acceleration
only when
startup and
TA/TD changes
AXIS_NO
IN
Set axis number(2
axes for each EM253
module, axis number
range decided by
motion control
modules number)
Byte
0~255
SET
IN
After ensuring
parameter above,
give SET a rising
edge to make it
effective.
Bool
0~1
STATUS
OUT
Communication
status sign bit
1: Communication
timeout
Bool
0~1
④ Explanation
If set the X-axis parameter TA=0, or the X-axis does not call this instruction, it is considered that
the X-axis does not set maximum acceleration; Otherwise, MAX_ACCELE=MAX_SPEED/TA is
considered to be set as the X-axis maximum acceleration. The significance of this instruction is: