STP-iS2207 Series Turbomolecular Pump
MT-89E-001-C
Page 122
5
SERIAL COMMUNICATION PROTOCOL
5.4.20 SetOptions
Function: Changes the setting value of optional function. The parameter n depends on the optional
function.
Transmission frame:
*1
PC->SIM
Stx
0
0
1
Sp
0
Parameter 1 to n Etx
LRC
SIM->PC
Ack
PC->SIM
Ack
SIM->PC
Stx
0
0
1
#
Etx
LRC
*1
HEX code of the ASCII character '0' is "30".
Parameter
Item Data format Remark
1 Optional function number 16-bits hexadec
ASCII
see Table 30
2 to n Function item
Optional function number Value Total parameter n Remark
Second speed option setting 0014 3 see 5.4.20.1
Second speed selection 0015 2 see 5.4.20.2
Table 30 - Option function number and parameter list
5.4.20.1 Second speed option setting
Settings for second speed can be changed.
CAUTION
There is an endurance l
imit 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.
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