Sigma – INFICON SQC-122 Thin Film Deposition Controller Communications Manual User Manual
Page 20

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Fort Collins, Colorado 80524
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Fax (970) 416-9330
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Sigma
instruments
Data Structures:
The size of each data type in the structures is :
double : 8 bytes, the LSB is thrown out before transmission to the unit.
single : 4 bytes
int : 2 bytes.
char : 1 byte.
Process Data
int
NumLayers
number of layers in the process
int
FirstLayer
film number of first layer
char
ProcName[16]
process name
Layer Data
single
Rate
layer rate
single
FnlThick
final thickness
integer
TimeSet
time setpoint (sec.)
single
ThickLimit
thickness limit setpoint
int
FilmNum
layer’s film number
int
NextLayer
next layer number
int
StartMode
auto(0) or manual (1)
int
Default
l
ayer is in the active process (1)
Film Data
int
Pterm
proportional term
single
Iterm
integral term
single
Dterm
differential term
int
Sensor1
sensor 1 on/off
int
Sensor2
sensor 2 on/off
int
Output
active output (0/1)
single
MaxPower
0 to 100%
single
SlewRate
0 to 100%
int
MatIndex
film material number
single
R1Power
ramp 1 power (%)
single
R1Time
ramp 1 time (sec.)
single
S1Time
soak 1 time (sec.)
single
R2Power
ramp 2 power (%)
single
R2Time
ramp 2 time (sec.)
single
S2Time
soak 2 time (sec.)
single
IdlePwr
idle power (%)
single
IdleTime
idle time (sec.)
int
source pocket