Event Reset
There are two basic types of event resets: soft and
hard. The difference between the soft and hard reset
is 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 powerup - a soft reset will be issued against all
events at powerup.
By DID commands - the TCI can issue both hard
and soft resets.
By PTU commands - the PTU can issue both hard
and soft resets.
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 neces-
sary for the PSC (System CPU Card) to communicate
with the TCI through an RS-422 serial link. The com-
munication is comprised of periodic data and non-pe-
riodic 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 containing periodic data will be asynchro-
nously (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 unacknow-
ledged messages are used to transmit the periodic
data.
The acknowledged messages are used to transmit the
background data.
PSC - PTU Communications Processing
This software function performs the processing neces-
sary for the PSC (System CPU Card) to communicate
through an RS-232 serial link to the Portable Test Unit
(PTU).
Inverter Communications Processing
This software function performs the processing neces-
sary for the System CPU Card to communicate with
both Inverter CPU Cards. The communications is
through a high-speed serial link that is operated in a
polled fashion with the System CPU Card initiating
communications to an Inverter CPU Card.
Every message transmitted across the serial link may
contain two separate sections of information: periodic
data and acknowledged data. The periodic data for-
mat is fixed and is used for transferring control infor-
mation from the System CPU Card to the Inverter CPU
Card and vise-versa. The acknowledged data format
is used to transfer all background data. When large
amounts of background data are to be transferred via
the acknowledged data format, the originating CPU will
break the data down into smaller pieces and transmit
each piece individually. All acknowledged data flows
are initiated from the System CPU with the Inverter
CPU providing a response.
The System CPU Card has one high-speed channel
available for communications to the Inverter CPU
Cards. This channel transfers periodic data across the
serial link every 5 ms. This means the periodic data
to each Inverter CPU is updated every 10 ms. Each
inverter responds to the data when the ID code in the
periodic data matches the ID code of the specific
Inverter CPU Card: the ID code is hardwired in the
card’s backplane wiring.
OUTPUT PROCESSING
This software function processes all external outputs
from the PSC. Refer to the G.E. publication, “System
Description” for a listing of the PSC outputs.
E02014 3/01
Electrical Propulsion System Components
E2-39
Summary of Contents for 930E-2
Page 1: ......
Page 2: ......
Page 4: ...NOTES ...
Page 8: ...KOMATSU MODEL 930E Dump Truck A 4 Introduction A00017 03 01 ...
Page 10: ...NOTES A1 2 Index A01001 2 94 ...
Page 12: ...930E MAJOR COMPONENTS A2 2 Major Component Description A02055 ...
Page 35: ...START HERE Walk Around Inspection A03017 General Safety and Operating Instructions A3 21 ...
Page 46: ...NOTES A3 32 General Safety and Operating Instructions A03017 ...
Page 78: ...NOTES B1 2 Index B01016 ...
Page 88: ...NOTES B3 6 Dump Body B03013 03 01 ...
Page 92: ...NOTES B4 4 Fuel Tank B04015 ...
Page 94: ...NOTES C1 2 Index C01021 03 01 ...
Page 118: ...NOTES C5 6 Air Filtration System C05013 5 98 ...
Page 126: ...NOTES D2 6 24VDC Electric Supply System D02018 ...
Page 142: ...NOTES D3 16 24VDC System Components D03019 04 01 ...
Page 146: ...FIGURE 2 1 PROPULSION SYSTEM DIAGRAM E2 2 Electrical Propulsion System Components E02014 3 01 ...
Page 196: ...NOTES E2 52 Electrical Propulsion System Components E02014 3 01 ...
Page 240: ...NOTES E3 44 AC Drive System Electrical Checkout Procedure 3 01 E03015 Release 17 Software ...
Page 242: ...NOTES G1 2 Index G01017 ...
Page 250: ...NOTES G2 8 Tires and Rims G02015 ...
Page 274: ...NOTES H1 2 Index H01013 04 01 ...
Page 282: ...NOTES H2 8 Front Suspensions H02013 2 01 ...
Page 288: ...NOTES H3 6 Rear Suspensions H03013 ...
Page 334: ...NOTES J3 32 Brake Circuit Component Service J03019 1 99 ...
Page 378: ...NOTES L2 8 Hydraulic System L02028 ...
Page 401: ...FIGURE 4 5 FLOW AMPLIFIER VALVE L04031 Steering Circuit L4 7 ...
Page 403: ...FIGURE 4 6 FLOW AMPLIFIER NO STEER L04031 Steering Circuit L4 9 ...
Page 405: ...FIGURE 4 7 FLOW AMPLIFIER LEFT STEER L04031 Steering Circuit L4 11 ...
Page 407: ...FIGURE 4 8 FLOW AMPLIFIER RIGHT STEER L04031 Steering Circuit L4 13 ...
Page 409: ...FIGURE 4 9 FLOW AMPLIFIER NO STEER EXTERNAL SHOCK LOAD L04031 Steering Circuit L4 15 ...
Page 414: ...NOTES L4 20 Steering Circuit L04031 ...
Page 422: ...NOTES L5 8 Steering Control Unit L05021 ...
Page 429: ...L06021 Steering Circuit Component Repair L6 7 ...
Page 450: ...NOTES L6 28 Steering Circuit Component Repair L06021 ...
Page 466: ...NOTES L7 16 Hoist Circuit L07023 ...
Page 492: ...NOTES L9 6 Hydraulic System Filters L09008 ...
Page 504: ...NOTES L10 12 Hydraulic Check out Procedure L10012 ...
Page 508: ...NOTES M1 2 Index M01034 03 01 ...
Page 518: ...NOTES M2 3 10 Ansul Checkfire Electric Detection and Actuation System M02003 ...
Page 524: ...NOTES M5 4 Wiggins Quick Fill Fuel System M05002 10 96 ...
Page 532: ...NOTES M8 8 Special Tools M08012 9 99 ...
Page 560: ...NOTES M9 28 Air Conditioning System M09010 6 97 for HFC 134a Refrigerant ...
Page 618: ...M20 20 Payload Meter II M20007 10 00 ...
Page 619: ...M20007 10 00 Payload Meter II M20 21 ...
Page 627: ...M20007 10 00 Payload Meter II M20 29 ...
Page 634: ...NOTES N1 2 Index N01020 03 01 ...
Page 654: ...NOTES N3 6 Cab Components N03011 7 98 ...
Page 660: ...NOTES N4 6 Operator Comfort N04020 ...
Page 686: ...NOTES N5 26 Operator Cab Controls N05044 ...
Page 688: ...NOTES P1 2 Index P01024 ...
Page 691: ...P02034 Lubrication and Service P2 3 ...
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Page 737: ...NOTES R1 2 930E Schematics R01048 with Cummins QSK60 Series Engine ...
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