Texas Instruments 990 User Manual page 177

Appl icati ons U til i ti es
Table 5-3 Remote SCI Message.s and Error Recovery (Continued)
Function and
Message Text
Meani ng and
P
ro ba bl e C aus e
Read/Wri te CRU Fun'ctions (RCRU/W:RU):
Recovery
W:RU OR RCRU FUNcrIGl
Nor
INCLUDED IN THE SECDNDARY
The specifi ed ftmction was
not included when SCI was
buil t for t hi s secondar y
station.
WRITE CRU ERroR
An error occurred during
an attempt to wri te the
specified vallE to the CRU
1 oca t ion in the s pe ci fi ed
s econdar y st ati on •
READ CRU ERroR
An erro r occurred dur i n9
an attempt to read a val ue
f rom the CRU locati on in
the speci fi ed secondar y
station.
CRU REGISTER D.Z\.TA IS (nnnn)
2270526-9701
Thi s i s a norm al ret urn
when CRU read is requested.
5-55
Rehlild
for thi s
station.
remote SCI
secondary
Check that the val
ue ,
the CRU address, and
the secondary I D are
. correct and retr y.
Check that the val ue ,
the CRU address, and
the secondar y I D are
correct and retry.
Interpret the val ue
(nnnn) as he xadecim al .