STP-iS2207 Series Turbomolecular Pump 
 
MT-89E-001-C
Page 115
5
SERIAL COMMUNICATION PROTOCOL 
 
Parameter
Item  Data format  Remarks 
11 
Pump Overload Warning 
Rotational speed setting 
16-bits hexadecimal 
coded ASCII 
Default 0000
hex
 
(0.0%) 
12  Serial communication 
time out setting (Unit: sec.) 
16-bits hexadecimal 
coded ASCII 
Default 003C
hex
 
(60 sec.) 
13  [System reservation]  88-bits hexadecimal 
coded ASCII 
*2
 
*1  Valid only with TMS specification 
*2  Assign the parameter value Fhex or the reading data of ReadOptionFunc (?=) 
 
Refer to Table 29, "Parameter setting value" for each parameter setting value. 
The value is not reflected when a parameter is out of a setting range. 
 
Example: 
1.  Input operation port:      01
hex
 = I/O REMOTE 
2.  TMS Option:        FF
hex
 = DISABLE 
4.  Second Damage Limit Option:    00
hex
 = ENABLE 
5.  First Damage Limit Warning:    00
hex
 = ENABLE 
6.  Pump Runtime Over Warning:    FF
hex
 = DISABLE 
7.  Pump Runtime Over Warning hours:  000003E8
hex
 = 1,000 (×100 hours) 
8.  Imbalance Warning:      00
hex
 = ENABLE 
9.  Pump Overload Warning:      FF
hex
 = DISABLE 
10.  Pump Overload Warning Motor current:  03E8
hex
 = 1,000 (×0.1%) 
11.  Pump Overload Warning Rotational speed:  0000
hex
 = 0 (×0.1%) 
12.  Serial communication time out:    003C
hex
 = 60 sec. 
Parameter
1  2  3  4  5 
ASCII  0
1
F
F
*1
*1
*1
*1
*1
*1
*1
*1
*1
*1
*1
*1
0
0
0
0
HEX  30
31
46
46
             
30
30
30
30
 
Parameter
6  7  8 
ASCII  F
F
0
0
0
0
0
3
E
8
0
0
HEX  46
46
30
30
30
30
30
33
45
38
30
30
 
Parameter
9  10  11  12  13 
ASCII  F
F
0
3
E
8
0
0
0
0
0
0
3
C
*1
*1
*1
*1
*1
*1
HEX  46
46
30
33
45
38
30
30
30
30
30
30
33
43