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63
PRELIMINARY
2 Theory of Operation (continued)
2.16 Communication Circuit for Output Dry Contact
Located on NH-SYS-M board (System MCU and Control Circuit)
Located on NH-SYS-R board (Circuit for RS232, Output Dry Contact, Parallel Port, Connector to connect with each Power Module,
Circuit for 2 Slots)
(a) System MCU sends out dry contact signal to the relays via DRY_A (65), DRY_B (66), DRY_C (67), DRY_D (68), DRY_E (83) and DRY_F
(84).
DR1
3 4
1 2
RL R1
+12VS
DRYA
CO MM_ A
OP_DRYA
DR3
3 4
1 2
RL R2
+12VS
DRYB
CO MM_ B
OP_DRYB
DR4
3 4
1 2
RL R3
+12VS
DRYC
CO MM_ C
OP_DRYC
DR6
3 4
1 2
RL R4
+12VS
DRYD
CO MM_ D
OP_DRYD
DR8
3 4
1 2
RL R5
+12VS
DRYE
CO MM_ E
OP_DRYE
DR10
3 4
1 2
RL R6
+12VS
DRYF
CO MM_F
OP_DRYF
OUTPUT DRY CONTACT
611
UR13F
G1
512
UR13E
413
UR13D
314
UR13C
215
UR13B
116
9 8
UR13A
CR2 4
G1
CR2 8
G1
CR3 3
G1
CR4 0
G1
CR4 4
G1
CR4 9
G1
+12VS
CR8 7
G1
1
2
3
4
5
6
7
8
9
10
11
12
CN R8
M4
OP_DRYA
CO MM_A
OP_DRYB
CO MM_B
OP_DRYC
CO MM_C
OP_DRYD
CO MM_D
OP_DRYE
CO MM_E
OP_DRYF
CO MM_F
(65)
(66)
(67)
(68)
(83)
(84)
RM104
200
CM5 5
103
G1
DRYF
RM108
200
CM5 9
103
G1
DRYE
RM112
200
CM6 3
103
G1
DRYD
RM117
200
CM6 8
103
G1
DRYC
RM122
200
CM8 1
103
G1
DRYB
RM128
200
CM8 6
103
G1
DRYA
DRY_F
DRY_E
DRY_D
DRY_C
DRY_B
DRY_A