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1. 1.2 2
Co
Cont ntro roll ller er Ar
Each controller is linked with the truck harness to form a
Each controller is linked with the truck harness to form a
network as follows.
network as follows.
The terminal
The
terminal resistors
resistors are
pump inverter.
pump inverter.
If the terminal resistors are not properly connected, the
If the terminal resistors are not properly connected, the
communication failure may occur between the logic unit
communication failure may occur between the logic unit
and other controllers.
and other controllers.
D
D
i
i
s
s
p
p
l
l
a
a
y
y
1) 1)
Input
Input unit a
unit and ou
The data are expressed as ele
The data are e
xpressed as electric potential d
The signals are t
The signals are transferred t
Kind of
Kind of
dominant
dominant
recessive
recessive
Main specifications
Main specifications
C C o o m m m m u u n n i i c c a a t t i i o o n n p p r r o o t t o o c c o o l l
C C o o m m m m u u n n i i c c a a t t i i o o n n l l i i n n e e
C C o o m m m m u u n n i i c c a a t t i i o o n n s s p p e e e e d d
D D a a t t a a l l e e n n g g t t h h
Area
ea Ne
Netw
twor ork (
k (CA
CAN)
are built
built into
into the
the display
display and
Right
Right
Left
Left
traction
traction
traction
traction
inverter
inverter
inverter
inverter
nd output u
tput unit a
nit are us
re used fo
ed for FC
r FC mode
ctric potential difference be
ifference between high- and
ransferred to each controlle
o each controller through t
r through the serial comm
p
p
o
o
Logic
Logic
t
t
bit
bit
e
e
n
n
t
t
i
i
a
a
0
0
l
l
1
1
I I t t e e m m
C C A A N N b b u u s s 2 2 . . 0 0 B B p p a a s s s s i i v v e e
D D u u a a l l 2 2 - - w w i i r r e e t t y y p p e e s s e e r r i i a a l l c c o o m m m m u u n n i i c c a a t t i i o o n n
5 5 0 0 0 0 k k b b p p s s
0 0 t t o o 8 8 b b y y t t e e s s
N)
The input unit and
The input unit and output unit are
For details, see the "Traction Inverter R.H. Fault (63)",
For details, see the "Traction Inverter R.H. Fault (63)",
and the
the
"Traction Inverter L.H. Fault (64)" and "Pump Inverter Fault
"Traction Inverter L.H. Fault (64)" and "Pump Inverter Fault
(65)", "EPS Controller fault (71)" in "Troubleshooting for
(65)", "EPS Controller fault (71)" in "Troubleshooting for
Control Circuits."
Control Circuits."
Logic
Logic
E
E
P
P
S
S
unit
unit
controller
controller
CAN H
CAN H
CAN L
CAN L
model only
l only. .
tween high- and low-level signals as fo
low-level signals as follows.
he serial communication protoc
unication protocol. ol.
Vdiff
Vdiff
Vdiff
Vdiff
recessive
recessive
dominant
dominant
S S p p e e c c i i f f i i c c a a t t i i o o n n s s
CHAPTER 1 CONTROLLER
CHAPTER 1 CONTROLLER
output unit are used for FC m
used for FC models only.
odels only.
1
1
)
)
1
1
)
)
Input
Input
Output
Output
Pump
Pump
unit
unit
unit
unit
inverter
inverter
llows.
VCAN-L
VCAN-L
VCAN-H
VCAN-H
recessive
recessive
time
time
Non-Return to Zero method
Non-Return to Zero method
Broadcast communication protocol
Broadcast communication protocol
500920
500920
500921
500921
1-3
1-3
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