NF CA5350, Instruction Manual

Page: 81 / 110

5.6 Description of Individual Commands
CA5350 5-14

K
– EOI, X Command Hold OFF Setting
Description: EOI setting
Setting:
K0 EOI
enabled,
X
command hold off enabled (factory default settings)
K1 EOI
disabled,
X
command hold off enabled
K2 EOI
enabled,
X
command hold off disabled
K3 EOI
disabled,
X
command hold off disabled
Remarks: This function is enabled only for GPIB. It is not related to USB.
It sets whether to append
EOI
in the beginning of the message or not
when
CA5350
responses a message to controller. When
CA5350
receives a
command,
EOI
is ignored irrespective of the settings of
K
command.
Enabling
X
command hold off will hold the bus at the time when the
X
command is received (without returning
NRFD
line to high), and it will
stop receiving the following command. After running a set of commands
until
X
command, the following commands will be executed after
returning NRFD to high.

L
– Saving/Recalling Setting
Description: For saving and recalling the settings
Setting:
L0
Return the settings of
CA5350
and memory No. 1 to
factory default settings
L1
Copy the existing
CA5350
settings into memory No. 1
L2
Return the settings of
CA5350
to the settings when power
was turned on (Memory No. 1)
L102 ~ L109
Copy the existing
CA5350
settings into memory No.2 ~
No.9
L202 ~ L209
Recall the settings of Memory No.2 ~ No.9
Remarks: In the setting memory of
CA5350
, there is factory default setting
(Memory No. 0), setting when turning on the power supply (Memory No.
1), and Memory No.2 ~ No.9. Factory default settings cannot be changed.
For the details of the memory, refer to
“4.4 Saving/Recalling the Setting
into the Memory
”
.

M
– SRQ Mask Setting
Description: Setting of
SRQ
mask
Setting:
Mn
n is a 8 bit numerical value (0~255)
bit0
1 means
SRQ
issued during the I/O over is detected
bit1
1 means
SRQ
issued when a front panel key is pressed
bit2
Not used
bit3
Not used
bit4
1 means
SRQ
issued when
CA5350
is ready for receiving
commands
bit5
1 means
SRQ
issued when an error occurred
bit6
Not used
bit7
Not used
Remarks: When more than one reason occurred causing mask bit be 1,
CA5350
will
send
SRQ
to controller. This function is only for GPIB, and it cannot be
used with USB.