Rockwell Automation 8520-9API 9/Series OCI API Developer's Guide User Manual
Page 83
4–35
OCI Data Server Data Items
Publication 8520-6.6 - August 1999
Value of
LINE_1_MESSAGE_DATA,2
Resulting impact to
LINE_1_MESSAGE_DATA,3:
0
NO_VARIABLE - this indicates that the third
word is not used. This means there is no acĆ
companying text for the message and there is
only one message in this base.
1
EXCLUSIVE - mutually exclusive message.
This indicates the third word of this data item
is the message index for the given base.
2
AXIS_HEAD - there is only one message in
this base The third word indicates the axis
name to be shown at the beginning of the
message.
3
AXIS_TAIL - there is only one message in
this base. The third word indicates the axis
name to be shown at the end of the message.
4
CHANNEL_HEAD - there is only one mesĆ
sage in this base. The third word indicates
the channel used to be shown at the beginĆ
ning of the message.
5
CHANNEL_TAIL - there is only one message
in this base. The third word indicates the
channel used to be shown at the end of the
message.
6
SLOT_HEAD - there is only one message in
this base. The third word indicates the ampliĆ
fier slot number to be shown at the beginning
of the message.
7
SLOT_TAIL - there is only one message in
this base. The third word indicates the ampliĆ
fier slot number to be shown at the end of the
message.
LINE_1_MESSAGE_DATA,3
This data item returns an integer that is dependent on the value of
LINE_1_MESSAGE_DATA,2. The value of
LINE_1_MESSAGE_DATA,3 is interpreted as follows:
Exclusive Number – (word two value is 1). Word 3 returns the index
of the error message in the message base. Refer to your 9/Series PAL
Reference Manual or 9/PC Logic Interface Reference Manual
(System Error Detection chapter) for details on this error number
indexes.
Axis Name – (word two value is 2(head) or 3(tail)). Word 3 returns
a bit pattern indicating which axis is to be displayed. A one in any
bit indicates that logical axis number is to have its axis name
displayed (right most bit being axis 1). Axis names are assigned to
logical axis numbers in AMP.