INFICON IC6 Thin Film Deposition Controller User Manual

Page 177

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10 - 7

PN

07

4-

50

5-

P1

F

IC6 Operating Manual

Checksum . . . . . . . . . . . . . . . . . . . . 1 byte, sum, modulo 256, of all bytes, not

including length. Modulo 256 is the numeric
value from 0 to 255 representing the modulo
256 remainder of the sum of the values of the
ASCII codes that comprise the response.

Command = <Command Group> (<Command Sub-group>) (<Command ID>)
(<Parameter>...<Parameter>)

Command Group = 1 ASCII byte, specifying category of command:

H - Hello
Q - Query
R - Remote action
S - Status
U - Update

Command Sub-group = 1 ASCII byte, used with some command groups to further
specify commands.

Command Sub-groups for command Q and U:

C - Source
G - General
I - Input Name.
K - Process Name
L - Logic
M - Material
N - Material Name
O - Output Name
P - Process
S - Sensor
T - Type of Output
V – User Message

Command Sub-groups for command R and S:

G - General
L – Layer
S – Sensor

Command ID = 1 binary byte. Defines specific command within some command
groups and sub-groups.

Parameter = <Byte>|<Integer>|<Float>|<String>|

Byte = 1 byte
Integer = 4 byte, low to high
Float = see , Format Code REAL_ ......
4 byte, ANSII standard, single precision, low to high
String = Null terminated series of ASCII characters

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