28
WhisperPower
Lithium Plus 12 V 210 Ah 340 Ah
J2_IO
J3_CAN
J1_BREL
X1
X2
BT11
FU
SE
USB
CAN
CAN_Term_Female
CAN_Term_Male
V+
1 2 3 4
GND
V+ Battery
Con2
5 6 7
Fuse 5A
V- Battery
5A
V+
GND
+
+
_
_
Fu
se
USB
Figure 17. Use Con2 to power the CAN bus
15/03/2018 17:00 C:\Users\ipapa\OneDrive\Desktop\24V_2s1p.sch (Sheet: 1/1)
J2_IO
J3_CAN
J1_BREL
J2_IO
J3_CAN
J1_BREL
0
1
2
3
4
5
6
7
8
9
A
B
C
D
Version
Date
Name
Title:
Sheet:
15/03/2018 17:00
24V_2s1p
1/1
CAN_Term_Female
CAN_Term_Male
X1
X2
X1
X2
Plus
Minus
K1
Rc Rnc Rno
1
2
3
4
5
6
7
gnd
V+ soc nc
FU
S
E
FUSE
CAN
Red(+)
Black(-)
CAN Power Cable
Minus (-)
0.1
2014 OCT 06
R. Pot
Plus (+)
Rc
Rnc
Rnc
Rc
Rnc
Rnc
Con J2 (IO connections)
Rc (pin 4)
Rnc (pin 5)
5A
Main Switch
+
+
_
_
Fu
se
+
+
_
_
Fu
se
A1
A2
Figure 18. Use of CAN power cable to power the CAN bus
4.7.4. CAN balancing
When the Lithium battery is connected in a series configuration CAN balancing is required.
CAN balancing makes sure that all batteries are balanced properly. For this it is necessary
that the batteries must communicate with each other. Therefore the CAN bus is used.
CAN balancing works with WP BCI-C1/WP WIB and without WP BCI-C1/WP WIB up to 8
batteries.
4.8. Disconnecting the Lithium battery
1. Turn off any device or charger the Lithium battery is connected to.
2. Disconnect the negative wire from the - terminal of the Lithium battery.
3. Disconnect the positive wire from the + terminal of the Lithium battery.