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Product_Name Installation and Operation Manual
Component Layout
Smart Relay 4 G2
U03
ULN2803
NC
-
NO
C
+
K4
C17
NC
-
NO
C
+
K2
7805
U4
C04
L4
U14
IN4
IN3
IN2
IN1
K4
K3
K2
K1
U01 18F25K22
D1
U02
1
FT232RL
C02
4
3
2
1
C11
L5
C01
RN3
C09
R04
RN4
4N26
4N26
4N26
4N26
RN1
C16
RN5
U15
IN8
IN7
IN6
IN5
R07
C20
JP2
C19
C07
D2
NC
-
NO
C
+
K3
C18
C05
C06
D4
L1
C10
R01
IN-7
IN-8
RN2
IN-3
IN-4
05
GND
04
06
SL3
01
5A
6B
03
6A
5B
02
8B
11
10
SL4
GND
12
TB2
7A
08
07
8A
7B
09
04
05
GND
06
SL1
02
01
1A
03
2B
2A
GND
4B
11
10
SL2
12
TB1
1B
3A
07
4A
3B
09
08
NC
-
NO
C
+
K1
IN-2
IN-1
IN-6
IN-5
4N26
4N26
4N26
4N26
U03
K4
K2
SR-4 G2
225201
REV
-B1
74HC04
LED4
LED2
15
14
J3
U01
U09
U05
U06
20
10
25
5
U10
LED3
LED1
S1
PWR
74HC04
U15
U14
K3ACM
K3ANC
K4ANC
01
02
K1BNO
K1BNC
K2BNC
K2BNO
05
06
TB4
K4ACM
07
08
11
12
J1
CH1
06
K3ANO
K3BCM
K3BNC
K3BNO
04
03
05
K4BNC
11
K4BNO
12
K4ANO
09
K4BCM
10
K3
C14
C15
JP6
JP4
03
04
K1BCM
01
K1ACM
02
K1ANO
K1ANC
K2ANO
09
K2BCM
10
TB3
K2ACM
08
07
K2ANC
2
JP3
1
U08
U11
4
U07
3
JP5
5
6
K1
7
U12
8
Smart Relay 4 G2
Smart Relay 4 G2
Component Layout
IN5
IN6
IN7
IN8
PWR
LED1
LED3
Smart Relay 4 G2
Component Layout
K1
K2
K3
K4
IN1
IN2
IN3
IN4
LED2
Smart Relay 4 G2
Component Layout
N3N
K2
K3
K4
3
4
N3
J3
S1
C
C
9
C
C
U15
R07
C20
C19
U15
74HC04
LED3
U
U14
RN5
U14
LED2
LED4
74HC04
C
1
C
C
F
C
C
C
C
C
F
D1
FT23
1
C
1
2
C
L5
1
C1
RN3
C01
C09
LED4
RL
R
32RL
U02
C02
U01 18F25K22
R04
JP2
5
25
U01
C
C
U01 18F25K22
C07
10
20
14
15
C
C
C04
-B1
REV
V-
225201
SR-4 G2
4N26
JP3
U05
RN
RN
RN4
4N26
4N26
4N26
4N26
RN1
5
JP5
1
JP3
2
U10
U06
U05
U09
C
C
O
N
K
N
C
6
C
N
K
N
C
U03
ULN2803
C17
K2
+
C
NO
-
NC
C16
6
JP5
K2
U03
C
O
N
K
N
05
4
7
780
4
U4
U4
C
N
K
N
5
780
C
U4
U4
K4
+
C
NO
-
NC
U4
7805
L4
C0
K4
U03
CCC0
IN-3
IN-1
3A
1B
1A
01
4N26
U07
JP4
(
Def
ault)
D
ry
J
P3
-J
P6
e
t
W
IN-4
IN-8
IN-1
IN-5
I
N
N
N
RN
1
N
I
N
N
RN
N
N
RN2
IN-7
IN-3
7B
8A
7A
8B
02
5B
6A
03
6B
5A
01
04
GND
05
3B
4A
1B
SL2
4B
GND
2A
2B
03
02
SL1
06
GND
05
04
IN-2
4N26
IN-6
4N26
4N26
4N26
U12
7
3
4
1
U1
U08
JP4
JP6
0
C
0
M
0
M
0
O
C
0
O
0
M
0
C
C
O
N
K
N
C
N
K
N
C18
GND
SL4
SL3
06
GND
05
K1
+
C
NO
-
NC
8
K1
K2ANC
K2ACM
K2BCM
K2ANO
K1ANC
02
K1ANO
03
K1ACM
01
K1BCM
04
JP6
K4ACM
06
K1BNO
05
K1BNC
K2BNO
K2BNC
01
K3ACM
C
0
M
0
O
0
0
O
C
0
C
O
N
K
N
6
N
K
N
D2
K3
+
C
NO
-
NC
D4
06
L1
C15
K3
K4BCM
K4ANO
K4BNO
K4BNC
05
K3BNC
03
K3ANO
04
K3BCM
K3BNO
06
J1
02
K3ANC
K4ANC
5
C
C
05
R01
C10
C14
CH1
07
07
3A
TB1
10
1
07
09
08
10
1
12
09
08
09
7B
8A
07
08
7A
TB2
10
1
8B
08
09
3B
4A
12
SL2
10
1
1
1
4B
GND
1
12
07
1
12
09 10
07
08
12
GND
SL4
1
1
1
K2ANC
07
08
K2ACM
TB3
10
K2BCM
09
K2ANO
12
1
1
1
07
K4ACM
TB4
K2BNO
K2BNC
08
12
1
09 10
10
K4BCM
09
K4ANO
12
K4BNO
1
1
1
K4BNC
08
TB4
K4ANC
16
APPENDIX