6-15 HP 438A EMULATION
COMMANDS
This section pro vides an al pha beti cal list ing of the GPIB com mands
(mne mon ics) used to pro gram the Model ML2400A Se ries Power Me ter
when in HP 438A E mu la tion mode. The emu la tion mode can be set
through the front panel
SYS TEM|more|more|Rear panel|GPIB|MODE
menu (see Chap ter 4, Op era tion) or through the GPIB com mand
EMUL (see page 6-123 ).
HP Emulation com mands must not
have a space between the command
header and the pa rame ter, or commas be tween the parameters.
The for mat for HP Emu la tion com mands is:
<com mand header><parameter 1><parameter n>...
The end of the com mand text must be ter mi nated with a line feed char -
ac ter (0Ah, dec i mal 10) or a GPIB End of Trans mis sion State (EOI), or
both.
The ML2400A Se ries in HP 438A emu la tion mode also sup ports the HP
437B cal fac tor ta ble edit and read com mands.
?ID HP Iden tity re quest
Syn tax: ?ID
Re marks: The for mat of the re turned string is:
<Com pany name>,<model>,<se rial>,<firm ware ver sion>
@1 Set SRE mask
Syn tax: @1<val>
val: 8- bit mask
Re marks: Status Byte Struc ture, HP 438A:
Bit 0: Data ready
Bit 1: Cal/Zero com plete
Bit 2: En try Er ror
Bit 3: Meas ure ment er ror
Bit 4: Over/Un der limit
Bit 5: Event Status Reg is ter (HP 437B only)
Bit 6: Re quest Serv ice
Bit 7: N/A
AD Set dis play to A – B
Syn tax: AD
6-120 ML2400A OM
HP 438A EMULATION COMMANDS GPIB OPERATION
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