STP-iX455/iXL455 Series Instruction Manual
9-32
Operation
9.4.10 SetSpeedSetPoint
Function:
Changes the "Speed Set Point" value.
This value can be changed the range from 45,000 to 55,020 rpm.
The threshold value of the illumination pattern of the "ROTATION" LED is fixed.
It is not changed even if the setting value of the rotational speed is changed.
◇ There is an endurance limit of setting changes (no more than 24 times per day for
about ten years). If this limit is exceeded, it not only may become impossible to
change the setting but can also cause pump failure. Do not make setting changes
in excess of this endurance limit.
Transmission Frame:
PC→SIM
Stx
0
0
1
Sp
h
Paramert 1
Etx
LRC
SIM→PC
Ack
PC→SIM
Ack
SIM→PC
Stx
0
0
1
#
Etx
LRC
Parameter
Items Data format
Remark
1
Speed Set Point
(Unit: Hz)
16-bits hexadecimal
coded ASCII
*1
*1:
When the value set to the parameter is larger than the upper limit, it is automatically
set to the upper limit.
When the value set to the parameter is smaller than the lower limit, it is automatically
set to the lower limit.
Example:
Speed Set Point: 54,000 rpm = 900 Hz = 0384
hex
Parameter
1
ASCII 0
3
8
4
HEX 30
33
38
34
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