User's Manual

5 OPERATION
62
HF5x Transponder Reader (SECS1-Protocol), Release 1.4
The table below defines the transitions of the BROOKS SECS-1 state
model of the transponder reader.
# Previous State
Trigger New State Actions Comment
1 Any Power up or reset INITIALIZING
Initialize
hard- and
software
Default entry on
power up
2 INITIALIZING
Initialization is
complete
RUNNING None
The CIDRW is
now able to
communicate
3 INITIALIZING
Default entry into
OPERATING
IDLE None Internal
4 IDLE
A service request
to read or write or
perform
diagnostic
is received.
BUSY None
5 BUSY
All services
request that affect
IDLE None
6 IDLE
A user selects the
MAINTENANCE
state and all
heads are IDLE
MAINTENANCE None
The upstream
controller may
send a request or
the operator may
set a switch to
select the
MAINTENANCE
state.
Maintenance and
setup activities
may now be
performed.
7 MAINTENANCE
A user selects the
OPERATING
state and all
heads are IDLE
IDLE None
The upstream
controller may
send a request or
the operator may
set a switch to
select the
OPERATING
state. Normal
operating
activities may
now be
performed.
8 INITIALIZING
Default entry into
ALARM
STATUS
ALARMS or
NO ALARMS
None
9 NO ALARMS
An alarm
condition is
detected.
ALARMS None
10 ALARMS
All alarm
conditions have
cleared.
NO ALARMS None
11 Any
A reset service
request is
received
CIDRW None