Rockwell Automation 6008-SI IBM PC I/O SCNNR 6008-SI - Manual (Page 84)

Chapter 7
Scanner Management
7-17
Configuration Information Bit Fields
The fields listed in Table 7.A are defined in the low byte of the word of
information about each adapter, which can be extracted by using the
cfg_info function described above:
Table 7.A
Configuration Information Bit Field Descriptions
Bit Field Hex Value Description
SL_IN_SCAN 10 (hex) true (1) if the adapter is in the current scan list. If this bit is
zero, the other bits in the link status word are meaningless.
SL_EXISTS 08 (hex) true (1) if an adapter is attached (or was attached earlier in the
same execution of the program) and begins at this address. If
this bit is zero, the bit fields listed below are meaningless.
SL_KNOWN 04 (hex) true (1) if the adapter type, size, and address are valid. If this
bit is zero, the bit fields listed below are meaningless.
SL_SIZE 03 (hex) size of the adapter, measured in 1/4 rack units: values 0 to 3
represent 1/4 rack, 1/2 rack, 3/4 rack, and a full rack.
SL_NODE 40 (hex) true (1) if this is a node adapter.
SL_FAST_NA 80 (hex) true (1) if this is a fast node adapter.
SL_SNGL_PT 20 (hex) true (1) if this is a singleĆpoint I/O adapter.
You can test for any of the above conditions by ANDing the information
byte with the bit name.
You can extract the fault information byte for any adapter, based on the
rack and starting group of the adapter. Either access an element of the
qmr_data array, like this:
packet.qmr_data[ 8*rack + group + 1 ];
or use the flt_info macro to do the same thing.
flt_info
Extracts fault information byte. This macro obtains the fault byte for a
particular adapter from the QMR type packet returned from an
autoconfigure or a link status request.
Calling sequence:
status = flt_info(
&packet, rack, group
);
Fault and Fault Dependent
Group Information Byte