Second Speed Selection - Edwards STP-iS1607 Series Instruction Manual

Turbomolecular pumps
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Parameter
Item
1
Optional function
number
2
Second speed setting
(Unit: Hz)
3
Second speed option
setting
*1
This value can be changed in the range from half of the rated rotational speed to the rated rotational speed. When the
parameter value is larger than the rated rotational speed, it is automatically set to the rated rotational speed. When the
parameter value is smaller than half of rated rotational speed, it is automatically set to half of rated rotational speed.
Example:
Second speed setting
Second speed option setting
Parameter
1
0
0
1
ASCII
HEX
30 30 31 34 30 30 39 30 30 30 30 30
5.4.20.2

Second speed selection

The normal rating speed setting or second rating speed setting can be selected in the normal state.
When using this function, set the second speed option to the "ENABLE".
Parameter
Item
1
Optional function
number
2
Second speed
selection
Example:
Second speed selection
Parameter
1
ASCII
0
0
1
HEX
30 30 31 35 30 30 30 30
STP-iS1607 Series Turbomolecular Pump
Data format
16-bits hexadecimal
coded ASCII
16-bits hexadecimal
coded ASCII
16-bits hexadecimal
coded ASCII
: 0190
= 400 Hz = 24000 rpm
hex
: 0000
= DISABLE
hex
2
3
4
0
1
9
0
0
0
Data format
16-bits hexadecimal
coded ASCII
16-bits hexadecimal
coded ASCII
: 0000
= Normal rating speed setting
hex
2
5
0
0
0
0
Remark
0014
hex
*1
:DISABLE
0000
hex
:ENABLE
00FF
hex
0
0
Remark
0015
0000
: Normal rating speed setting
hex
0001
: Second rating speed setting
hex
hex
MT-94E-001-C
Page 127
5

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