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2. RS232 Commands
2.228 Shutter, Read
Description
Read the actual shutter position.
Command
Command [0]
\x21
Command [1]
\x42
Return Data
Data [0]
Shutter Position:
•
\x00
= Closed
•
\x01
= Open
•
\x02
= Undetermined
Example
Read the actual shutter position of a projector with address
\x01
. Suppose the shutter is open.
Transmit
Start
\xfe
Projector Address
\x01
Command [0]
\x21
Command [1]
\x42
Checksum
\x64
Stop
\xff
Receive (Acknowledge)
Start
\xfe
Projector Address
\x01
Command [0]
\x00
Command [1]
\x06
Checksum
\x07
Stop
\xff
Receive (Answer)
Start
\xfe
Projector Address
\x01
Command [0]
\x21
Command [1]
\x42
Data [0]
\x00
Checksum
\x65
Stop
\xff
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R5976538 BARCOREALITY SIM6 ULTRA SERIES 08/06/2005