Agilent Technologies E1300B User Manual

Page 202

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Remote

Sets the GPIB remote enable line (REN) true which places an instrument in the
remote state.

Comments

The REMOTE 709ss (ss = secondary address) command places the
instrument in the remote state. The REMOTE 7 command, does not, by
itself, place the instrument in the remote state. After sending the
REMOTE 7 command, the instrument will only go into the remote state
when it receives its listen address.

In most cases, you will only need the REMOTE command after using the
LOCAL command. REMOTE is independent of any other GPIB activity
and toggles a single bus line called REN. Most controllers set the REN
line true when power is applied or when reset.

Examples

REMOTE 7

Sets GPIB REN line true

REMOTE 70900

Sets REN line true and
addresses System Instrument

Serial Poll (SPOLL)

The SPOLL command, like the *STB? Common Command, returns the
weighted sum of all set bits in an instrument’s Status Register (status byte).
Refer to "The Status Register" earlier in this chapter for a table showing the
contents of the Status Register.

Comments

The SPOLL command differs from the *STB? command in that SPOLL
clears bit 6 (RQS). Executing *STB? does not clear bit 6.

Examples

10 P= SPOLL (70900)

Sends Serial Poll, places
response into P

20 DISP P

Displays response

30 END

7-74 System Instrument Command Reference

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