Edwards STP-iX457 Series - 5.4.21 Readoptions; 5.4.21.1 Second Speed Function Setting; Option Function Number and Parameter List

STP-iX457/iXU457 Series Turbomolecular Pump
MT-86E-001-F
Page 127
5
SERIAL COMMUNICATION PROTOCOL
5.4.21 ReadOptions
Function: Reads the setting value of optional function. The parameter n depends on the optional
function.
Transmission frame:
*1
PC->SIM Stx 0 0 1 ? 0 Parameter 1 Etx LRC
SIM->PC Ack
PC→SIM
*1
Ack
SIM→PC
Stx 0 0 1 Sp 0 Parameter 1 to n Etx LRC
*1 The HEX code of ASCII character ' 0 ' is "30".
Parameter Item Data format Remark
1 Optional function number
(receive/return)
16-bits hexadecimal
coded ASCII
see Table 34
2 to n Function items (return)
Optional function number Value Total response parameter n Remark
Second speed option setting 0014 4 see 5.4.21.1
Second speed selection 0015 2 see 5.4.21.2
Table 34 - Option function number and parameter list
5.4.21.1 Second speed function setting
Settings for second speed can be changed.
Parameter Item Data format Remark
1 Optional function number 16-bits hexadecimal
coded ASCII
0014 hex
2 Second speed setting
(Unit: Hz)
16-bits hexadecimal
coded ASCII
3 Second speed option
setting
16-bits hexadecimal
coded ASCII
0000 hex：DISABLE
00FF hex：ENABLE
4 Selected speed value
(Unit: Hz)
16-bits hexadecimal
coded ASCII