Installation and Operation Guide
ED-DT318B
Drive Train Systems with Traction Control, Inverter/Controller, and Motor with 2 Speed Transmission
BC353060341319en-000101
Revision D
© Danfoss | November 2020 | 60
Classified as Business
msb:
62
Offset:
0
Scale Factor: 1
Min Value:
0
Max Value:
1
Units:
Boolean
Description: True
The VCU has not received a complete and properly sequenced set Status Messages 1
through 7 within the last second.
False
The VCU has received a complete and properly sequenced set Status Messages 1
through 7 within the last second.
Note: This bit will be True at startup. Once this bit is set to True, it will be held True until he VCU
has received 3 complete and properly sequenced sets Status Messages 1
through 7
without detecting a
TCU CAN Message Error
.
7.2.1.4
VCU Watchdog Counter 1
dbc ref:
TCUCmd1_VCUWatchdogCounter_1
lsb:
57
msb:
60
Offset:
0
Scale Factor: 1
Min Value:
0
Max Value:
15
Units:
Rolling Count
Description: The Watchdog count is used to detect missed message and to detect issues with VCU messaging
procedures.
In each successive
Traction Control Command
, the
Watchdog Count
will be the
Watchdog
Count
of the previous
Traction Control Command
+ 1. If the
Watchdog Count
of the previous
Traction Control Command
was 15, the
Watchdog Count
will be reset to 0.
If the
Watchdog Count
for a
Traction Control Command
does not equal the
Watchdog Count
of the previous
Traction Control Command
+ 1. The TCU will report a
Traction Control
Command Message Error
. If TCU does not receive a
Traction Control Command
for 1 second,
or it takes more than 1 second to receive at least three successive
Traction Control Command
messages in which the
Watchdog Count
conforms to the requirement, the TCU will report
Traction Control Command Watchdog Timeout
and will instruct the MCU to stop producing
torque.
7.2.1.5
TCU Enable
dbc ref:
TCUCmd1_TCUEnable
lsb:
56
msb:
56
Содержание ED-DT318B
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