140
ifm
Device Manual SmartSPS AC14 with EtherNet/IP interface (AC1421, AC1422), Firmware 3.1.2
2015-11-30
Appendix
AS-i master
>
AS-i master status flags
7160
The AS-i master status flags provide information about the status of the AS-i master. After a status
change, the AS-i master immediately updates the flags.
The AS-i master status flags are saved in the following register:
AS-i master status flags
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
ECPS
ECP
–
–
WCD
CM
–
HWDT
SER
HER
Legend:
Flag
Designation
Description
Initial value at power-on
HER
Hardware Error
1 (TRUE): a hardware error occurred during the power-on
self test
0 (FALSE)
SER
Software Error
1 (TRUE): Software error occurred:
Stack Overflow, Stack Underflow, Undefined
Opcode, Instruction Fault, Illegal Access,
Watchdog Timeout
0 (FALSE)
HWDT
Host Watchdog
Timeout
1 (TRUE): Host watchdog not triggered by the host within
200 ms; master changed to the offline mode
0 (FALSE)
CM
Configuration Missing
1 (TRUE): Configuration not yet fully received from the host.
Becomes FALSE as soon as PCD, PP and LPS
have been set
1 (TRUE)
WCD
Watchdog Control
Disabled
1 (TRUE): Signals the host that the watchdog signal is not
processed in the master.
0 (FALSE)
ECP
Execution Control
Phase
Display of the different phases the execution control goes
through during boot (
→ table).
0
ECPS
Execution Control
Phase State
Display of the substates of the different execution control
phases (
→ table).
0
Execution Control Phase
Execution Control Phase State
0 = inactive
–
1 = start phase
0 = master start and initialisation
1 = wait for configuration
2 = wait for start
2 = reserved
–
3 = offline phase
–
4 = detection phase
–
5 = activation phase
–
6 = normal operation
0 = normal data exchange
1 = slave finder activated
