PSI BOX PLUS+ Reference
Control Functions
EOS=13,8 Input stops on Carriage Return received, 8
bit compare. ie 13 is only valid match.
<byte>
A decimal number in the range 0-255. Used mainly
in a data or a command byte.
DATA 13 Carriage return char sent to IEEE bus.
EOI 10
Line feed with EOI true sent to bus.
CMD 63
The UNLISTEN command sent to bus.
<bytes>
One or more decimal numbers in the range 0-255.
DATA 79,75,13 OK Carriage return sent to bus.
CMD 63,33,4
The UNLISTEN, LISTEN 1 and
SDC commands are sent to bus.
<number> Decimal number in the range 00000-65535. Used to
specify how many bytes of data to be read using the
ENTER command.
<sppp>
Parallel Poll data. The range is 00-15 and is used to
specify how and on which data line the device
responds to the Parallel Poll command, POLL.
CONFIGURE 4+7 Tell device 4 to use data line 8 to
reply to POLL’s. 7=sppp here.
<string>
A series of ascii characters, used inside quotation
marks or other delimiters, to specify the literal data
bytes to send. Valid delimiter is any non space
character.
OUTPUT !HELLO! here the string HELLO is sent to
the current device.
<tt>
Specify timeout period, range is 0-15. 0 means never
timeout, 1 is 1 millisec, 15 is 50 sec wait
TO 7
Timeout of 1 second.
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Chapter 8
