Komatsu 830E-AC Shop Manual page 419

TCI:
1. With the PTU serial cable attached to the TCI
port, type c:\ACNMENU and press {enter}.
2. Select "PTU TCI and PSC and press {enter}
3. Type your name and press {enter}.
4. Type your password and press {enter}.
5. Cursor to "Special Operation" and press {enter}.
6. Cursor to "Event Data Menu" and press {enter}.
7. Cursor to "View Data Packs" and press {enter}.
8. Type PK number to be recorded and press
{enter}.
9. Watch the lower right of the screen as 100
frames are recorded. Press the F2 key.
10. Cursor to "Record Screen" and press {enter}.
11. Assign a file name for the data pack.
12. Press {escape} until back to the DOS "C:>"
prompt.
13. Insert a blank disk in the appropriate drive.
14. Type the following command: copy c:\geoh-
vac\ptuaccur\f2data\filename
NOTE: Insert the name assigned to the file in Step 11
in place of "filename" in the command in Step 14.
15. Press {enter} to copy the file to the disk.
Event Reset
There are two basic types of event resets: soft and
hard. The difference between the soft and hard reset
is that a soft reset only affects events that have not
been locked out and a hard reset affects events
regardless of lockout status.
Events will be reset:
• On power-up - A soft reset will be issued against
all events at power-up.
• By DID commands - The TCI can issue both hard
and soft resets.
• By PTU commands - The PTU can issue both
hard and soft resets.
E02020 10/06
SERIAL DATA COMMUNICATIONS
The PSC system CPU card uses serial data busses
to communicate with the TCI, the PTU, and the two
inverter CPU cards.
PSC - TCI Communications Processing
This software function performs the processing
necessary for the PSC to communicate with the TCI.
The communication is comprised of periodic data
and non-periodic data.
Periodic data is a predefined set of data which is
used for transferring real time control information
from the PSC to the TCI and from the TCI to the PSC
at a fixed rate.
The non-periodic messages are used to transfer all
background data. Background data consists of DID
commands, remote monitor data, and download
code.
Packets
asynchronously (not initiated) transmitted from the
PSC to the TCI and from the TCI to the PSC every
200 ms. The TCI initiates the transfer of non-periodic
data.
The TCI and the PSC are interfaced using the
General Electric Asynchronous Communications
Protocol (ACP). ACP provides two general types of
messages: acknowledged and unacknowledged. The
acknowledged messages are used to transmit the
background data. The unacknowledged messages
are used to transmit the periodic data.
PSC - PTU Communications Processing
This software function performs the processing
necessary for the PSC to communicate through an
RS-232 serial link to the Portable Test Unit (PTU).
Electrical Propulsion System Components
containing periodic data will be
E2-35