Edwards STP-iX457 Series - 5.4.19 Readeventswithtime

STP-iX457/iXU457 Series Turbomolecular Pump
MT-86E-001-F
Page 121
5
SERIAL COMMUNICATION PROTOCOL
5.4.19 ReadEventsWithTime
Function: Reads the "Error Record" with detection time.
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 15 Etx LRC
PC→SIM
Ack
SIM→PC Stx 0 0 2 Parameter 15 to 22 Etx LRC
*1 The HEX code of ASCII character ' } ' is "7D".
Parameter Item Data format Remarks
1 The number of
"Error Record"
8-bits hexadecimal
coded ASCII
2 The maximum number of
"Error Record"
8-bits hexadecimal
coded ASCII
Up to 20 for
STP-iX457/iXU457
3 to 22
Error Record 1
to
Error Record 20
80-bits hexadecimal
coded ASCII
(See "Error Record Format")
*1
*1 The recent error has the smallest parameter number.
Error record format:
Time information of error history has two formats that depend on the pump model.
Total running time of the STP pump and control unit
Real time data by a built-in clock
Time information is identified with a time flag.
This STP pump uses the format in the case of time flag = 0.