HP-IB
Codes
c-3
Table
C-1.
HP-IS
Codes
for
the
Standard
HP
8904A
Functions
(3
of
4)
Phase
Phase Reset
Preset
Query Data
Recall
Reverse Powei
Save
Service
Request
Special
Functions
PH
Form:
PH<Channel>
<Phase
Value><Terminator> Example:
“PHA45DG”
Set phase
of
a channel. Valid terminators are DG and RD.
Phase reset establishes a common zero reference for the channels.
PR
PS
Instrument Preset
?
Form:
<Data Setting>
“3”
Examples:
“FRA?”, “FRAIS?”
Query
of
existing data values is achieved by placing the “?” term after the desired item
name.
A
query terminates any presently running sequence.
RC
Form:
RC<Register>
Example:
“RC11”
Recall. Valid data values for Recall are
0-1
1.
I
I
RP
Reset reverse power protection.
SV
Form:
SV<Register>
Example:
“SV1”
Save. Valid data values for Save are 0-1
1.
RM
Form:
RM
Read Service Request Mask. The present value of the
SRQ
mask is returned, 000-191.
SM
Form:
SM<Data Value>
Examples:
“SM128”, “SMO
Set Service Request Mask. Valid data
=
0-255
SF
Form:
SF<Data Value>
Examples:
“SF4, “SF1 2763”
Set or Reset Special Functions. The value
of
the Special Function flag can be read at any
time but can only be set at the Main Selection Level. The flag
is
a composite
of
bit flags.
A Special Function operation configures all 16 bits of the flag (that is, any previously set
flags are lost).
Do
not leave a space between the mnemonic and the data value.
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