A SERVICE OF

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57
PRELIMINARY
2 Theory of Operation (continued)
2.9 Bypass SCR Driver
Located at NH-SYS-S or NH-SYS-SA board (Driver Circuit for Bypass SCR)
Located at NH-SYS-M board (System MCU and Control Circuit)
Located at NH-SYS-R board (Circuit for RS232, Output Dry Contact, Parallel Port, Connector to connect with each Power Module, Circuit for 2 Slots)
DSA8
RSA 19
CSA 14
DSA9
RSA 20
CSA 15
RSA 10
RSA 11
D
G
S
QSA3
DSA7
CSA 9
RSA 14
G1
CSA 8
+12VS
1
2
3
4
5
6
CNS A3
3
6
7
10
2
9
4
TS A 3
DSA5
RSA 17
CSA 12
DSA6
RSA 18
CSA 13
RSA 8
RSA 9
D
G
S
QSA2
DSA4
CSA 7
RSA 13
G1
CSA 6
+12VS
1
2
3
4
5
6
CNS A2
3
6
7
10
2
9
4
TS A 2
DSA2
RSA 15
CSA 10
DSA3
RSA 16
CSA 11
RSA 6
RSA 7
D
G
S
QSA1
DSA1
CSA 5
RSA 12
G1
CSA 4
BYPST S1
1
2
3
4
5
6
CNS A1
G2
K2
G1
K1
3
6
7
10
2
9
4
TS A 1
CSA 3
G1
CSA 2
G1
+12VS
CSA 1
G1
G2
K2
G1
K1
G2
K2
G1
K1
RSA 1
G1
RSA 3
+12VS+12VS
RSA 2
RSA 4
+12VS
RSA 5
+12VS
QSA6
QSA5
QSA4QSA7
G1
G1
G1
2803402000
2803402000
2803402000
5VS
QM8
G1
RM9 4
RM1 0 0
+12VS
QM7
RM9 5
BYPST S1
TRIG
2
Q
3
R
4
CVo l t
5
THR
6
DI S
7
VCC
8
GND
1
UM9
RM9 1
G1
5VS
CM5 0
G1
CM5 2
RM9 2
8
9
10
UM6C
CM5 3
RM103
RM9 6
RM9 3
RM102
QM6
G1
RM9 0
BYPST S2
RM1 0 1
-
7
+
14
1
2
3
UM6A
RM9 9
RM9 7
5
6
4
UM6B
RM9 8
DM26
CM5 4
G1 5VS
BYPASS Static Transfer Switch Control CKT.
5VS
CM122
G1
TOBYP-J
12
13
11
UM6D
DM31
DM30
DM25
CM5 1
RM2
FAN_ON
G1
G1
DM39
RM7 5
RM7 8
G1
5VS
DM22
RM8 3
#TOBYP_ O
DM21
DM19
BYPST S
QM4
RM8 2
(70)
(47)
TOBYP_O
CEN T RAL _ OK
DM27
DM28 DM29
#TOBYP_I
TOBYP-J
BYPST S2
(1)
(131)
CM9 2
G1
#TOBYP_O
RM1 4 1
CM9 7
G1
#TOBYP_I
TOBYP_I
7
1 2
14
UR4A
RR1
5VS
RR2
QR1
RR6
ZR1
G4
CR7
CR4
VS TOBYP
RR9
+12VSF
RR1 0
CR9
G1
RR8
5VS
CR1 0
1
2
4
3
UR3
1
2
4
3
UR6
#TOBYP_O
CR8
G1
5VS
#TOBYP_I
G1
DR16