STP-iS2207 Series Turbomolecular Pump 
 
MT-89E-001-C
Page 111
5
SERIAL COMMUNICATION PROTOCOL 
5.4.16  ReadOptionFunc 
Function:  Reads  the  setting  value  of  the  input  operation  port,  warning  function,  and  serial 
communication time out. 
Transmission frame: 
           
*1
     
PC→SIM
Stx
0
0
1
?
=
Etx
LRC
 
SIM→PC
                Ack
 
PC→SIM
         
*1
      Ack
SIM→PC
Stx
0
0
1
Sp
=
Parameter 1 to 13
Etx
LRC
 
*1  The HEX code of ASCII character ' = ' is "3D". 
 
Parameter
Item  Data format  Remarks 
1  Input operation port setting  8-bits hexadecimal 
coded ASCII 
 
2
*1
  TMS Option 
Enable/Disable setting 
8-bits hexadecimal 
coded ASCII 
 
3  [System reservation]  48-bits hexadecimal 
coded ASCII 
 
4  Second Damage Limit Option 
Enable/Disable setting 
8-bits hexadecimal 
coded ASCII 
 
5  First Damage Limit Warning 
Enable/Disable setting 
8-bits hexadecimal 
coded ASCII 
 
6 
Pump Runtime Over Warning 
Enable/Disable setting 
8-bits hexadecimal 
coded ASCII 
 
7 
Pump Runtime Over Warning 
Hours setting (×100 hours) 
32-bits hexadecimal 
coded ASCII 
 
8  Imbalance Warning 
Enable/Disable setting 
8-bits hexadecimal 
coded ASCII 
 
9 
Pump Overload Warning 
Enable/Disable setting 
8-bits hexadecimal 
coded ASCII 
 
10 
Pump Overload Warning 
Motor current setting 
16-bits hexadecimal 
coded ASCII 
0.1 % step 
11 
Pump Overload Warning 
Rotational speed setting 
16-bits hexadecimal 
coded ASCII 
0.1 % step 
*1  Valid only with TMS specification