Toshiba V Series - Page 58

38 Ethernet module User’s Manual
Chapter 4 Preparing for Operation (Software)
4
Figure 4-2 EN311 Mode Transition
The EN311's operation statuses (station statuses) are allocated to the special registers
of the S controller I/F memory. The S controller reads the station statuses from the
EN311. Each bit of the station status has the following meaning. Note that in judging
whether the mode is Initialize, Run or Standby, view the value as a register.
• Station status area address (word address) ••• 16#7EFF(Decimal: 32511)
• Station status format
• EN311 operation modes and station statuses
Bit Name 1 0
F DOWN: Down mode Down mode Other than the Down
mode
E INZ: Initializing mode Initialization being
processed
Initialization processing
complete
D STBY: Standby mode Standby mode Other than the Standby
mode
C RUN: Run mode Run mode Other than the Run mode
5 MTEN: Message transmission Permit Inhibit
4 STEN: Socket I/F transmission Permit Inhibit
0 TEST: Test Test function being
executed
Test function complete or
in waiting request state
EN311 Mode Station Status
Initialization being processed (Power-On, Reset request, Reset SW)
4000H
Standby mode (Initialization processing completed normally)
2000H
Run mode: Message transmission permit
1020H
Run mode: Socket I/F transmission permit
1010H
Run mode: Message transmission; socket I/F transmission permit
1030H
Power down
Initialize
Down
Run
Standby
Self-check completed normally
Unrecoverable error occurred
Reset request
Initialization
completed
abnormally
Turning on the power
again/reset switch
Unrecoverable error occurred
Standby request
Run request
FEDCBA9876543210
000000 000
D
OWN
INZ
STBY
RUN
MTEN
STEN
TEST