DSP TP104-plus Especificaciones descargar pdf (Pagina 10)

SR830 DSP Lock-In Amplifier

1-9

SERIAL POLL STATUS BYTE (5-21)

bit name usage

0 SCN No data is being acquired

1 IFC No command execution in progress

2 ERR Unmasked bit in error status byte set

3 LIA Unmasked bit in LIA status byte set

4 MAV The interface output buffer is non-empty

5 ESB Unmasked bit in standard status byte set

6 SRQ SRQ (service request) has occurred

7 Unused

STANDARD EVENT STATUS BYTE (5-22)

bit name usage

0 INP Set on input queue overflow

1 Unused

2 QRY Set on output queue overflow

3 Unused

4 EXE Set when command execution error occurs

5 CMD Set when an illegal command is received

6 URQ Set by any key press or knob rotation

7 PON Set by power-on

LIA STATUS BYTE (5-23)

bit name usage

0 RSRV/INPT Set when on RESERVE or INPUT overload

1 FILTR Set when on FILTR overload

2 OUTPT Set when on OUTPT overload

3 UNLK Set when on reference unlock

4 RANGE Set when detection freq crosses 200 Hz

5 TC Set when time constant is changed

6 TRIG Set when unit is triggered

7 Unused

ERROR STATUS BYTE (5-23)

bit name usage

0 Unused

1 Backup Error Set when battery backup fails

2 RAM Error Set when RAM Memory test finds an error

3 Unused

4 ROM Error Set when ROM Memory test finds an error

5 GPIB Error Set when GPIB binary data transfer aborts

6 DSP Error Set when DSP test finds an error

7 Math Error Set when an internal math error occurs

STATUS BYTE DEFINITIONS

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 173 174

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DSP TP104-plus Especificaciones Pagina 10

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