Racal Instruments 1256E Manual page 181

1256E User Manual
Racal Instruments © 2002
Using the SCAN command example above, the following
sequence of actions occurs:
A) After a trigger is received, channel 323 of module 1 is closed
B) After the next trigger, channel 1(323) is opened, channel 4(0)
is closed
C) After the next trigger, channel 4(0) is opened, channel 4(1) is
closed
D) After the next trigger, channel 4(1) is opened, channel 4(2) is
closed
E) After the next trigger, channel 4(2) is opened, channel 5(8) is
closed
F) After the next trigger, channel 5(8) is opened, channel 5(7) is
closed
G) After the next trigger, channel 5(7) is opened, channel 5(6) is
closed
H) After the next trigger, channel 5(6) is opened, channel 5(5) is
closed
I) After the next trigger, channel 5(5) is opened, and all channels
defined for the path "example" are closed. (Module 7,
channels 0, 5, 10, and 13)
J) After the next trigger, all the channels defined for the path
"example" are opened, and channel 1(0) is closed
K) After the next trigger, channel 1(0) is opened, and the state of
all channels controlled by the 1256 is recalled from
nonvolatile memory. The state of the relays is recalled from
state location 14.
L) After the next trigger, channel 1(224) is closed. Note that the
channels recalled from nonvolatile memory are NOT opened.
M) After the next trigger, channel 1(224) is opened, and channel
1(323) is closed. The scan list has "wrapped around" to the
beginning of the list.
Each time the SCAN command is executed, the previously
defined scan list is deleted.
The present scan list may be deleted using the command
Advanced SCPI Operations 8-17