Edwards SCU-1601

SCU-1601 Control Unit for Turbomolecular Pump
MT-96E-1B1-0
Page 106
5
SERIAL COMMUNICATION PROTOCOL
Parameter
Item
Data format
Remark
1
Motor temperature
(Unit: ºC)
16-bits hexadecimal coded
ASCII
Example:
Motor temperature
: 0014
hex
= 20 ºC (68 ºF)
Parameter
1
ASCII
0
0
1
4
HEX
30
30
31
34
5.4.10 ReadStatus
Function: Reads various settings (Remote mode, TMS function, INHIBIT, Emergency vent valve).
Transmission frame:
PC->SIM
Stx
0
0
1
?
f
Etx
LRC
SIM->PC
Ack
PC->SIM
Ack
SIM->PC
Stx
0
0
1
Sp
f
Parameter 1 to 4
Etx
LRC
Parameter
Item
Data format
Remarks
1
Remote mode setting
8-bits hexadecimal
coded ASCII
Refer to Table 27
2
TMS function setting
8-bits hexadecimal
coded ASCII
00
hex
: ENABLE
01
hex
: External
02
hex
: Advanced
Others: DISABLE
3
INHIBIT setting
8-bits hexadecimal
coded ASCII
00
hex
: ENABLE
Excluding 00
hex
: DISABLE
4
Emergency vent valve setting
8-bits hexadecimal
coded ASCII
00
hex
: ENABLE
Excluding 00
hex
: DISABLE