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65
PRELIMINARY
2 Theory of Operation (continued)
2.18 External Battery Cabinet Temperature Detection
Located on NH-SYS-X board (Circuit for REPO, Input Dry Contact and Circuit for sense External Battery Cabinet Temperature)
Located on NH-SYS-M board (System MCU and Control Circuit)
(a) UX1, UX2, UX3 and UX4 are linear photo.
(b) CNX6, CNX7, CNX8 and CNX11 connect the NTC to the external battery cabinet.
(c) System MCU detects the external battery cabinet temperature via EXTB_TEMP1 (104) for battery cabinet 1, EXTB_TEMP2 (106) for battery
cabinet 2, EXTB_TEMP3 (111) for battery cabinet 3, and EXTB_TEMP4 (112) for battery cabinet 4.
1
2
CNX6
RX1
RX9
CX4
G4
CX5
RX1 3
RX5
G4
RX1 6
G1
10VSF_REF
RX1 4
G1
RX1 1
RX8
RX4
CX6
CX2
RX1 7
G1
CX9
RX6
1
6
4
3
2
N/C
7
N/C
8
5
UX1
+12VSF
+12VS
G4
G4
CX1
+12VSF G4
5
6
7
UX6B
CX8
G1
#EXTB_TEMP1
10VS_REF
3
2
1
411
UX6A
RX1 8
RX2 4
CX1 1
G4
CX1 2
RX2 9
RX2 1
G4
RX3 1
G1
10VSF_REF
RX3 0
G1
RX2 7
RX2 3
RX2 0
CX1 3
CX1 0
RX3 2
G1
CX1 5
RX2 2
1
6
4
3
2
N/C
7
N/C
8
5
UX2
+12VSF
+12VS
G4
5
6
7
UX5B
10
9
8
UX6C
#EXTB_TEMP2
10VS_REF
12
13
14
UX6D
RX3 3
RX4 1
CX1 8
G4
CX1 9
RX4 6
RX3 8
G4
RX4 8
G1
10VSF_REF
RX4 7
G1
RX4 3
RX4 0
RX3 6
CX2 0
CX1 6
RX4 9
G1
CX2 3
RX3 9
1
6
4
3
2
N/C
7
N/C
8
5
UX3
+12VSF
+12VS
G4
10
9
8
UX5C
#EXTB_TEMP3
10VS_REF
RX5 0
RX5 5
CX2 7
G4
CX2 8
RX5 9
RX5 2
G4
RX6 2
G1
10VSF_REF
RX6 0
G1
RX5 8
RX5 4
RX5 1
CX3 2
CX2 4
RX6 3
G1
CX3 4
RX5 3
1
6
4
3
2
N/C
7
N/C
8
5
UX4
+12VSF
+12VS
G4
12
13
14
UX5D
#EXTB_TEMP4
10VS_REF
EXTB_TEMP1
1
2
CNX7
EXTB_TEMP2
1
2
CNX8
EXTB_TEMP3
1
2
CNX11
EXTB_TEMP4
3
2
1
4 11
UX5A
G1
+12VS
5
6
7
UX7B
CX2 1
G1
3
2
1
411
UX7A
10
9
8
UX7C
12
13
14
UX7D
G1
+12VS
CM3 5
(104)
G1
12
3
DM18
5VS
RM6 9
#EXTB_TEMP1
EXTB_TEMP1
CM132
(106)
G1
12
3
DM36
5VS
RM1 7 1
#EXTB_TEMP2
EXTB_TEMP2
CM1 3 3
(111)
G1
12
3
DM37
5VS
RM172
#EXTB_TEMP3
EXTB_TEMP3
CM1 3 4
(112)
G1
12
3
DM38
5VS
RM1 7 3
#EXTB_TEMP4
EXTB_TEMP4