Edwards STP Series User Manual

STP-iXR1606 Turbomolecular Pump
MT-79E-001-D
Page 102
5
SERIAL COMMUNICATION PROTOCOL
5.4.7 ReadCounters
Function: Reads serial number, hour counter 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 4-bits ASCII character
11 to 20 Pump serial number 4-bits ASCII character
21 Pump hour counter
(Unit: minute)
32-bits hexadecimal
coded ASCII
22 Control unit hour counter
(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 hour counter : 0000003C
hex
= 60 minutes = 1 hour
Control unit hour counter : 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

Edwards STP Series Specifications

General

Brand	Edwards
Model	STP Series
Category	Water Pump
Language	English