Keysight Technologies VXI bus 75000 C Series, Service Manual, Page: 94 / 130

94 KeysightE1406A Command Module Service Guide
Error Messages Introduction
19 BNO FAILED
BNO was issued to a message
-
based device whose response
indicated an error condition
.
The Begin Normal Operation
command may have failed or the device returned a response
other than FFFEh. (See the VXI specification for a description of
the BNO response
.
)
2
0 WRITE READY TIMEOUT
The command module timed out waiting for write ready to be
asserted by a message
-
based device
.
The command module/
resource manager was attempting to send a word serial
command to a message
-
based device but write ready was not
asserted on the device within 6
0
seconds. This can occur either
before or after the command was sent
.
If before
,
the command
module timed out without sending the command
.
If after
,
the
command module timed out while determining if ERR* was
asserted by the message
-
based device
.
21 READ READY TIMEOUT
The command module timed out waiting for read ready to be
asserted by a message
-
based device
.
The command module
was attempting to read the response to a message
-
based query
command
,
but read ready was not asserted by the device within
60 seconds.
22 ERR* ASSERTED
A word serial protocol error occurred
.
The command module/
resource manage detected a word serial protocol violation due
to a word serial command
.
The command module checks for
ERR* asserted before and after sending a word serial command
to a message
-
based device
.
If ERR* is asserted before
,
the
command is not sent
.
This error also occurs if the command
module is not the resource manager and it receives a word
serial command it does not recognize
.
23 ENO FAILED
ENO was issued to a message
-
based device whose response
indicated an error condition
.
Proper ending of normal operation
is the response FFFEh
.
24 INTERRUPT LINE UNAVAILABLE
The interrupt line assigned by the user-defined interrupt line
table is not available
.
Either the line has been assigned or has
been reserved
.
This error also occurs if the line being assigned
to an interrupter is not handled by the interrupter’s commander
.
25 INVALID UDEF HANDLER
A user-defined interrupt handler specified in the intrrupt line
allocation table is invalid
.
The handler logical address may not
be valid, the device may not be a programmable handler
,
or the
device has been assigned as many lines as it can handle.
26 INVALID UDEF INTERRUPTER A user-defined interrupter specified in the interrupt line allocation
table is not a valid interrupter
.
The interrupter logical address
may not be valid
,
the device may not be a programmable
interrupter
,
or the device has been assigned as many lines as it
can interrupt on
.
Table 5-3
Command Module Resource Manager Configuration Errors (continued)