Communication Circuit For Output Dry Contact - Tripp Lite SU60KX Manual

2 Theory of Operation (continued)

2.16 Communication Circuit for Output Dry Contact

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)
Located on NH-SYS-M board (System MCU and Control Circuit)
(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).
M4
CNR8
1 OP_DRYA
2 COMM_A
3 OP_DRYB
4 COMM_B
5 OP_DRYC
6 COMM_C
7 OP_DRYD
8 COMM_D
9 OP_DRYE
10 COMM_E
11 OP_DRYF
12 COMM_F
(84)
(83)
(68)
(67)
(66)
(65)
OUTPUT DRY CONTACT
COMM_A
RLR1
OP_DRYA
COMM_B
RLR2
OP_DRYB
COMM_C
RLR3
OP_DRYC
COMM_D
RLR4
OP_DRYD
COMM_E
RLR5
OP_DRYE
COMM_F
RLR6
OP_DRYF
RM 104
DRY_F
DRYF
200
CM 55
103
G1
RM 108
DRY_E
DRYE
200
CM 59
103
G1
RM 112
DRY_D
DRYD
200
CM 63
103
G1
RM 117
DRY_C
DRYC
200
CM 68
103
G1
RM 122
DRY_B
DRYB
200
CM 81
103
G1
RM 128
DRY_A
DRYA
200
CM 86
103
G1
63
+12VS
DR1
UR13F
11 6
DRYA
CR24
+12VS
DR3
G1 UR13E
12 5
DRYB
CR28
+12VS
DR4
G1 UR13D
13 4
DRYC
CR33
+12VS
DR6
G1 UR13C
14 3
DRYD
CR40
+12VS
DR8
G1 UR13B
15 2
DRYE
CR44
G1
+12VS +12VS
DR10 G1
CR87 UR13A
16 1
DRYF
CR49
G1
G1