TPM
207-D533-NN User Manual
36
SAFEOP
Safe-
Operational
The transmission (from slave to
master) with PDO as well as the
transmission and reception over
SDO (Mailbox) are possible.
In SAFEOP state, Slave applications transfer the
actual input data, but not the output data that may not
be available for processing. The output must be set in
this state.
OP
Operational
Possible to send and receive
both SDO (Mailbox) and PDO.
In OP state, slave applications transfer the actual input
data and the master application transfers the actual
output data.
BOOT
Bootstrap
Impossible to send and receive
both SDO and PDO in this state.
In BOOT state, slave applications can receive new
firmware downloaded to the FoE (File access over
EtherCAT).
⚫
State transition and local Management Service
Transition
Symbol
Direction
Local Management Service
IP
INIT => PREOP
Start Mailbox Communication
PI
PREOP => INIT
Stop Mailbox Communication
PS
PREOP =>
SAVEOP
Start Input Update
SP
SAVEOP =>
PREOP
Stop Input Update
SO
SAVEOP => OP
Start Output Update
OS
OP => SAVEOP
Stop Output Update
OP
OP => PREOP
Stop Input Update, Stop Output Update
SI
SAVEOP =>
INIT
Stop Input Update, Stop Mailbox Communication
OI
OP => INIT
Stop Input Update, Stop Output Update, Stop Mailbox
Communication
IB
INIT => BOOT
Start Firmware Update (FoE), Start Bootstrap Mode
BI
BOO => INIT
Start Firmware Update (FoE), Restart Device