INFICON IC/5 Thin Film Deposition Controller - Manual (Page 152)

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IP
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7A
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IC/5 Operating Manual
Serial With Checksum Format
Host to Instrument Message
<STX>(count)(command)(checksum)
Instrument to Host Message
<STX>(count)<ACK>(response)(checksum) or
<STX>(count)<NAK>(nrc)(checksum)
IEEE488 Message Format
Host to Instrument Message
(command)<LF>
Instrument to Host Message
(response)<LF> or
(nrc)<LF>
(See section 7.7.7 on page 7-41 for a list of error codes.)
7.7 INFICON Standard
Communication Commands
The standard command set is structured into six categories- ECHO, HELLO,
QUERY, UPDATE, STATUS and REMOTE. Most commands require arguments. A
space is used between commands and arguments and between multiple
arguments.
The instrument uses a set of negative response codes (nrc) for commands
resulting in an error.
7.7.1 ECHO Command
The format is:
E string
The Echo command returns the ASCII string argument back to the sender. This
command is useful for set-up or troubleshooting.
7.7.2 HELLO Command
The format is:
H
The Hello command returns the model and version number in the ASCII format
“
IC/5 VERSION x.xx ”.