Measurement-computing Analyzer488 Manuale Utente Scaricare il pdf (Pagina 98)

Section 4 Serial Controller

4.4

Once the Analyzer488 has been connected to the terminal and the serial port

parameters are set, type the command

hello

at the keyboard. The following

response should be displayed on the terminal screen:

If you get the above response, the Analyzer488 is alive and ready to operate as a

serial controller. you may find it useful to send the command

ERROR MESSAGE

which will cause the Analyzer488 to always send a response after every command it

has received and processed. If a command is sent which causes an error, an

appropriate error message will be returned. If no errors have occurred, the message

will be sent to the terminal.

If you do not receive the hello response, check for proper wiring and fit of the

cables and the serial port configurations of the terminal and the Analyzer488. If all is

well and you still do not obtain the hello command response, refer to the Service

Section of the Manual.

Refer to the Command Description section for a complete listing of all the

Serial controller commands and examples of their usage.

4.7 Serial Controller Commands

There are four groups of Serial Controller commands: system commands,

record commands, high level controller commands, and low level controller

commands. System and record commands configure or request information from the

Analyzer488. High level and low level controller commands communicate with IEEE

488 bus devices.

4.7.1 System Commands:

@ DISARM HELLO STATUS

@@ DISPLAY ID STERM

ARM ERROR KEY TIMEOUT

CONTROLLER HANDSHAKE MASK

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Measurement-computing Analyzer488 Manuale Utente Pagina 98