User's Manual

RS232-Transponder Reader
(SECS1-Protocol), Release 0.3 Draft Page 65 of 91
2000-09-29
ID: ID000093
The shown table defines the transitions of the HERMOS SECS-1 transponder
reader state model.
#
Previous
State
Trigger New State Actions
Comment
1
Any Powerup or reset INITIALIZING
Initialize
hard- and
software
Default entry on
powerup
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