Edwards STP-iXA3306CV - ReadOptions and Speed Selection; Pump Overload Warning; Rotor Imbalance Warnings

STP-iXA3306 Series Turbomolecular Pump
MT-82E-001-H
Page 136
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:
PC->SIM
Stx
0
0
1
?
0
Parameter 1
Etx
LRC
SIM->PC
Ack
PC→SIM
Ack
SIM→PC
Stx
0
0
1
Sp
0
Parameter 1 to n
Etx
LRC
Parameter
Item
Data format
Remark
1
Optional function number
(receive/return)
16-bits hexadecimal
coded ASCII
see Table 43
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 43 - 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