Measurement-computing Serial488/4 Manual do Utilizador descarregar pdf (Página 88)

Appendix A Serial488/4 Command Summary

A.2

Command Code Description

HandshakeType G0

Sets handskake to Rts/Cts (hardware)

Sets handskake to Xon/Xoff (software)

Sets handskake to none

Returns current handshake type selected

Input Query I?

Returns number of characters in serial input queue

Status EOI K0

Assert EOI with last terminator

EOI disabled

Returns current status EOI selected

Data EOI L0

Assert EOI on serial terminator

EOI disabled

Assert EOI on last character in buffer

Assert EOI on terminator or last character

Returns current data EOI selected

Service Request M0

Disable bus SRQ

Mask M1

SRQ on

Serial port 1 input

SRQ on

Serial port 2 input

SRQ on

Serial port 3 input

SRQ on

Serial port 4 input

M16

SRQ on

Ready for next command

M32

SRQ on

Command error

M128

SRQ on

Memory low

Returns current SRQ mask

Handshake N0

Automatic

Control N1

Holdoff data

Accept data

Output 16 x baud clock on RTS line

Returns current handshake control setting

Output Query O?

Returns number of characters in serial output queue

Port Select P1

Select serial port 1

Select serial port 2

1 2 ... 83 84 85 86 87 88 89 90 91

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