Komatsu 830E-AC Shop Manual page 447

TCI CHECKOUT
Make sure that the link voltage is drained down
before servicing the
performing tests.
Modular Mining Communication Port Check
1. Connect the serial communication cable from the
PTU to the Modular Mining port on the DID panel
located on the back wall of the operator cab.
2. Make sure that the directional control lever is in
PARK and the rest switch is in the REST position.
3. Turn control power switch (1, Figure 3-1) and the
key switch ON.
The PTU baud rate defaults to 38400. However, the
Modular Mining port is at 9600 baud. Therefore, before
testing the Modular Mining port, the PTU baud rate
must be changed to 9600.
Click START > Programs > GEOHVPTU_2.0 >
AC TOOLS > wPTU AC v21.01
Select "Normal" mode {enter}
Click "Options".
Remove "38400" and add "9600" to the column
"Selected Baud Sequence". Click "OK".
The GE wPTU Toolbox Login Screen
Connection Status window should now show
"Connected to AC TCI 360T-DIGBT at 9600
Baud on COM1". This verifies the port
communication.
If the Connection Status window shows
"Connection to target failed", exit the program
and restart the PTU.
E03018 10/06
propulsion system or
AC Drive System Electrical Checkout Procedure
(Release 21 Software)
TCI Digital Input Checks
1. Connect the serial communication cable from the
PTU to the TCI port (DIAG3) on the DID panel
located on the back wall of the operator cab.
2. Make sure that the directional control lever is in
PARK and the rest switch is in the REST position.
3. Turn control power switch (1, Figure 3-1) and the
key switch ON.
To check the TCI digital inputs:
Click START > Programs > GEOHVPTU_2.0 >
AC TOOLS > wPTU AC v21.01
Select "Normal" mode {enter}
Type password "ok75e" {enter}
Click "LOGIN to wPTU Toolbox".
Double-click "TCI Real Time Data".
Verify that the analog values are similar to the
example in Figure 3-7. Also, make sure that the
"COMMLINK" signal under "Modes" reads OK.
Test the inputs in the "Digital Inputs" field as
described in Table IV.
E3-17