55
Model
Rated Load Voltage
Model
Rated Load Voltage
A1SY81
(15)
A1SY71 5/12
VDC
(16)
A1SY81EP
12/24 VDC
Y00
Y08
Y01
Y07
Y02
Y04
Y05
Y06
Y09
Y03
Y0A
Y0B
Y0C
Y0D
Y0E
Y0F
Y10
Y11
Y12
Y13
Y14
Y15
Y16
Y17
Y18
Y19
Y1A
Y1B
Y1C
Y1D
Y1E
Y1F
B20 A20
B19 A19
B18 A18
B17 A17
B16 A16
B15 A15
B14 A14
B13 A13
B12 A12
B11 A11
B10 A10
B9
A9
B8
A8
B7
A7
B6
A6
B5
A5
B4
A4
B3
A3
B2
A2
B1
A1
5/12 VDC
+
-
5/12 VDC
COM
COM
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
Vacant
Vacant
Vacant
Vacant
*1
B1
and
B2
, and
A1
and
A2 ,
are
connected internally.
*2 The A and B pin number rows shown above
are transposed with respect to the diagram of
the A and B rows which is printed on the
module. Remember that the A row pin
numbers correspond to the B row of the
module.
20
+
−
1
21
2
22
3
23
4
24
5
25
6
26
7
27
8
28
9
29
10
30
11
31
12
32
13
33
14
34
15
35
16
36
17
37
18
19
Y01
Y03
Y05
Y07
Y09
Y0B
Y0D
Y0F
Y11
Y13
Y15
Y17
Y19
Y1B
Y1D
Y1F
COM
Y00
Y02
Y04
Y06
Y08
Y0A
Y0C
Y0E
Y10
Y12
Y14
Y16
Y18
Y1A
Y1C
Y1E
COM
COM
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
0V
0V
17
and
18
and
36
, and
19
and
37
are connected internally.