Edwards SCU-1601

SCU-1601 Control Unit for Turbomolecular Pump
MT-96E-1B1-0
Page 118
5
SERIAL COMMUNICATION PROTOCOL
5.4.17 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 30
2 to n
Function items (return)
Optional function number
Value
Total response parameter n
Remark
Second speed option setting
0014
4
see 5.4.17.1
Second speed selection
0015
2
see 5.4.17.2
External TMS unit setting
001A
1+(4×10)
see 5.4.17.3
External TMS temperature
001B
14
see 5.4.17.4
Table 30 - Option function number and parameter list