STP-iS2207 Series Turbomolecular Pump
MT-89E-001-C
Page 100
5
SERIAL COMMUNICATION PROTOCOL
5.4.7 ReadCounters
Function: Reads serial number, running time and start counter.
Transmission frame:
PC->SIM
Stx
0
0
1
?
c
Etx
LRC
SIM->PC
Ack
PC->SIM
Ack
SIM->PC
Stx
0
0
1
Sp
c
Parameter 1 to 23 Etx
LRC
Parameter Item Data format Remarks
1 to 10 Control unit serial number ASCII character
11 to 20 Pump serial number ASCII character
21 Pump running time
(Unit: minute)
32-bits hexadecimal
coded ASCII
22 Control unit running time
(Unit: minute)
32-bits hexadecimal
coded ASCII
23 Start counter 32-bits hexadecimal
coded ASCII
Example:
Control unit serial number : 12345
Pump serial number : 6789A
Pump running time : 0000003C
hex
= 60 minutes = 1 hour
Control unit running time : 0000028C
hex
= 652 minutes =10 hours and 52 minutes
Start counter : 00000064
hex
= 100 times
Parameter
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
ASCII 1
2
3
4
5
6
7
8
9
A
HEX 31
32
33
34
35
20
20
20
20
20
36
37
38
39
41
20
20
20
20
20
Parameter
21 22 23
ASCII 0
0
0
0
0
0
3
C
0
0
0
0
0
2
8
C
0
0
0
0
0
0
6
4
HEX 30
30
30
30
30
30
33
43
30
30
30
30
30
32
38
43
30
30
30
30
30
30
36
34
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