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Section 3 Command Descriptions

3.1

COMMAND DESCRIPTIONS

Control of the

Digital232

is implemented with 17 commands, described here in

detail. Examples are given for many of the commands using an IBM PC and the

"dumb terminal" program described in Appendix C. The underlined portion of the

example refers to text which is typed into the PC when the program is running. It is

implied that each command is terminated by the ''RETURN' key on the PC in order to

execute the command.

When the

Digital232

receives multiple commands before receiving a terminator

Execute

command, the accumulated commands are executed in the following

order:

Command Code

Reset @ (executed immediately)

Invert I

Configure C

Format F

Data D

Bit Set A

Bit Clear B

Inhibit Q

Handshake H

Service Request M

Status U

Terminator Y

Test T

Data Ready R (executed last)

1 2 ... 18 19 20 21 22 23 24 25 26 27 28 ... 58 59

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Measurement-computing Digital232 Manuale Utente Pagina 23