
24
Connection diagram
120 119 118 117 116 115 114 113 112 111 110 109
108 107 106 105 104 103 102 101 100 99
98
97
Reflash
relay 1
1
Reflash
relay 12
Reflash
relay 13
Reflash
relay 6
Reflash
relay 5
Reflash
relay 14
Reflash
relay 15
(Intern.
fault)
Reflash
relay 16
(Aud.
alarm)
Reflash
relay 10
Reflash
relay 9
Reflash
relay 8
Reflash
relay 7
144 143 142 141 140 139 138 137 136 135 134 133
132 131 130 129 128 127 126 125 124 123 122 121
+48V
Rx/Tx
SIGNAL-
GND
Reflash
relay 3
Reflash
relay 4
Aud. reset
Ackn.
Reset
T
est
+
-
RT
S
+8V
Reflash
relay 2
+
-
N -
L
+
Reflash
relay 1
Aux.
supply 2
-
+
Aux.
supply1
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
81
80
79
78
77
76
75
74
73
CH1
CH9
CH2
CH3
CH4
CH5
CH6
CH7
CH8
CH10
CH1
1
CH12
CH13
CH14
CH15
CH16
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
CH17
CH25
CH18
CH19
CH20
CH21
CH22
CH23
CH24
CH26
CH27
CH28
CH29
CH30
CH31
CH32
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
CH33
CH41
CH34
CH35
CH36
CH37
CH38
CH39
CH40
CH42
CH43
CH44
CH45
CH46
CH47
CH48
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
CH49
CH57
CH50
CH51
CH52
CH53
CH54
CH55
CH56
CH58
CH59
CH60
CH61
CH62
CH63
(local)
CH64
(remote)
+48V
+48V
+48V
+48V
Important! Check that the power
supply voltage to be connected are in
agreement with the specification for
the power supply unit in question.
Check also that the protective earth
is connected.
Also make sure that the protective
ground (142) is properly wired.
Fig 24. Connection diagram for the SACO 64D4.