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PDU
1/functions
The PDU is in charge of high voltage power distribution, power on and power off the vehicle, and also the proper high voltage protection logics. It includes the following functionalities:
Ø Relays control;
Ø real time insulation monitoring;
Ø current measurement;
Ø over current detection;
Ø PTC heating control;
Ø high voltage detection;
Ø power on/off the vehicle;
Ø manages the battery status and adjust battery output power accordingly;
Ø according to GBT 20234.3-2015 for DC fast charge control;
Ø according to GBT 20234.2-2015 for AC charge control
2/device list
| No. | Name | Pictures |
| 1 | Main Device | Figure 1 |
| 2 | External Harness | Figure 2 |
3/mechanical structure
size£º330*203.5*260, 3D depictured by figure 3
4/Schematic
Schematic is depictured by figure 4:
5/connectors description
|
Name |
Model |
manufacture |
|
32P socket |
HC08B-P32R |
Amphenol |
|
2P socket |
PL082X-60-4£¨ac-ha000922) |
Amphenol |
|
Battery input+ |
PLOOX 300AAC-H000464 orange |
Amphenol |
|
Battery input- |
PLOOY 300AAC-H000465 black |
Amphenol |
|
Power output+ |
PLOOX 300AAC-H000464 orange |
Amphenol |
|
Power output- |
PLOOY 300AAC-H000465 black |
Amphenol |
32P socket PIN description
|
No. |
Name |
description |
|
1 |
NC |
|
|
2 |
CAN1H |
Connect to slave CAN |
|
3 |
CAN1L |
|
|
4 |
SPOWER |
Power for slave |
|
5 |
SGND |
Power for slave |
|
6 |
IO1 |
IO control for slave address |
|
7 |
NC |
|
|
8 |
24V+ |
24V power supply |
|
9 |
24V- |
24V power GND |
|
10 |
NC |
|
|
11 |
A- |
charger output 24V GND |
|
12 |
RLY3+ |
Control of charge relay |
|
13 |
RLY3- |
Control of charge relay |
|
14 |
NC |
|
|
15 |
CC2 |
CC2 for fast charge |
|
16 |
CAN2H |
Charge CAN |
|
17 |
CAN2L |
|
|
18 |
CAN3H |
Vehicle CAN |
|
19 |
CAN3L |
|
|
20 |
NC |
|
|
21 |
NC |
|
|
22 |
CANH |
Maintenance CAN |
|
23 |
CANL |
Maintenance CAN |
|
24 |
NC |
|
|
25 |
NC |
|
|
26 |
NC |
|
|
27 |
NC |
|
|
28 |
NC |
|
|
29 |
NC |
|
|
30 |
NC |
|
|
31 |
NC |
|
|
32 |
NC |
|
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