Measurement Computing Micro 488/EX rev.2.1 User Manual

Page 108

Section 5

Command Descriptions

5.38

The ID command allows the user to change the @ or the @@ command character

to any printable ASCII character. If the double ID character command is issued, the ID
character will default back to '@'.

The desired character must immediately follow the semi-colon without

intervening spaces. The @ and @@ command can be disabled by not including, eg
ending the command with either a CR or LF character, the character following the
required semicolon. It can be re-enabled again by issuing the ID command with a valid
character.

If the ID character and TIME OUTs are disabled, and an invalid bus address is

specified within a command, the only way to recover control is by re-powering the
interface. If you anticipate that the data part of an OUTPUT or SEND command may
contain the presently programmed ID character, it should be disabled.

SYNTAX

ID;

[ASCII]

ASCII

is any printable ASCII character immediately following the

semi-colon (;)

RESPONSE

None

MODE Any

BUS STATES

None

EXAMPLES

PRINT #1,"ID;#"

change the ID character to #

PRINT #1,"ID;"

disable the ID commands

PRINT #1,"ID;@"

re-enable the ID character to @