STP-iX457/iXU457 Series Turbomolecular Pump
MT-86E-001-F
Page 95
5
SERIAL COMMUNICATION PROTOCOL
Parameter
Item Data format Remarks
1 The number of error 8-bits hexadecimal
coded ASCII
Up to 80 errors
*1
2 to 81
*1
Error 1 8-bits hexadecimal
coded ASCII
*2
… …
Error 80
*1
8-bits hexadecimal
coded ASCII
*1 The maximum number of errors may differ depending upon the software version of the STP pump. It is recommended that
an application be designed as variable-length data.
*2 Value corresponding to the error message is transmitted, (refer to Table 27 and Table 28). The most recent error has the
largest parameter number. When the number of errors being detected is under the maximum number, the value of
parameter that is larger than the number of errors being detected is set to 0.
Example:
The number of error : 02
hex
= 2 errors
Error 1 : 0D
hex
= 13 = Disturbance Xh
Error 2 : 0F
hex
= 15 = Disturbance Xb
Error 3 to 80 : 00
hex
= No error detected
Parameter
1 2 3 4 5 6 7 8 9 10
ASCII 0
2
0
D
0
F
0
0
0
0
0
0
0
0
0
0
0
0
0
0
HEX 30
32
30
44
30
46
30
30
30
30
30
30
30
30
30
30
30
30
30
30
Parameter
11 12 13
[Omitted]
68 69 70 71 72 73
ASCII 0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
HEX 30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
Parameter
74 75 76 77 78 79 80 81
ASCII 0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
HEX 30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
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