Flag Definitions - B&R Automation Panel 9 D Series User Manual

Software

7.4.4.3 Flag definitions

Request Flag Bits 1 to 4
Bit Flag Name
b1 Subcarrier flag
b2 Data rate flag
b3 Inventory flag
b4 Protocol extension flag
Request Flag Bits 5 to 8 when inventory flag IS NOT set
Bit Flag Name
b5 Select flag
b6 Address flag
b7 Option flag
b8 RFU
Request Flag Bits 5 to 8 when inventory flag IS set
Bit Flag name
b5 AFI flag
b6 Nb_slots_flag
b7 Option flag
b8 RFU
122
Value Description
0 A single subcarrier is used by the flag
1 Two subcarriers are used by the flag
0 Low data rate
1 High data rate
0 Flags 5 to 8 meaning in following tables (points to table
flag IS NOT set"
1 Flags 5 to 8 meaning in following tables (points to table
flag IS set
0 No protocol format extension
1 Protocol format is extended. Reserved for future use.
Table 42: Request Flag Bits 1 to 4
Value Description
0 Request executed by any tag according to the setting of Adress flag
1 Request executed only by tag in selected state. The Adress flag is set to 0 and the UID field is
not included in the request
0 Request is nor addressed. UID field is not included. It can be executed by any tag.
1 Request is adressed. UID field is included. It is executed only by the tag whose UID matches
the UID sepcified in the request
0 Meaning is defined by the command description. It is set to 0 if not otherwise defined by the
command.
1 Meaning is defined by the command description
0 Reserved for future use
Table 43: Request Flag Bits 5 to 8 when inventory flag IS NOT set
Value Description
0 AFI field is not present
1 AFI field is present
0 16 slots
1 1 slot
0 Meaning is defined by the request description. It is set to 0 if not otherwise defined by the request
1 Meaning is defined by the request desription
0 Reserved for future use
Table 44: Request Flag Bits 5 to 8 when inventory flag IS set
"Request Flag Bits 5 to 8 when inventory
Request Flag Bits 5 to 8 when inventory
Automation Panel 9xD - Hygienic design User's manual V 1.80