
31
Magtrol Model 5300 Three Phase Power Analyzer Appendix A: Schematic Drawings
CIRCUIT BOARD 78B153 - SWITCH INTERFACE
CD4518
EN
10
Q3
14
RST
CD4518
EN
2
6
RST
Q3
7
CD4518
CK
1
Q3
EN
RST
7
2
CD4518
EN
2
Q3
6
RST
7
CD4518
11
Q0
RST
EN
15
10
CD4518
EN
10
Q3
14
RST
15
15
11
25
5
0
1
0100
0
Unless otherwise noted
Note: All capacitors in uF
All resistors in OHMS
3,4,6
U +5 COM
20 1,10
1,8,9
8,9
11,20 10
10 16
5,7
168,9
3D
4
2
2D
3
J4 Function
ØV
PF
6
5D
6D
7
5
Ø2
Ø1 Switch
J4 Phase
PA4
PA3
18
17
2Q
PA1
PA2
1D 1Q
PA019
PA1
U9a
PA0
PA2
15
6Q
5Q
PA4
PA514
3Q
4Q4D
PA316
R1
5
25
R2
J1
600
CT
150
300
74HC573
PA6
PA5
FCT
PA7Hold Switch
AVG
100
+5
+5
COM
1
E
U10b
6
U10a
RNG
CT
DAV
RES
LL1
RL
LL2
3
74HC573
1D
11
LE U3
8D
PA0 2
PA1
.001
PA0
5
7
4D
6
5D
4
2D
3Q3D
PA5
PA4
PA5
PA4
PA1
PA2PA2
PA3PA3
ØV
H LED
18
1Q
19
AVG
PF
Ø1 LED
Ø2
4Q
5Q
6Q
15
14
2Q
16
17
5
3Q3D
4D
3
4
74HC573
2D
1D
PA3
PA2PA2
PA3
PA0
PA1
2
PA1
PA0
9
7D
8Q
7Q
6
7
5D
6Q6D
PA6
PA7
8PA6
PA7
PA4PA4
PA5PA5
J5
2Q
16
17
19
18
1Q
13
12
4Q
15
5Q
14
COM
12kx8U2
Range R1 R2
13
6Q
7Q
PA6 U8a
14
15 PA4
PA5
8
6D
7D
4D
6
7
4Q
5Q5D
OC
U8b
.001
12
8Q
U7
PA79
8D
1
U1 12kx8
Auto Switch
COM
U9b.001
12 PA7
PA6
1
74HC573
8D
U5OC
7D
8
9
13
8Q
7Q
16
PA2
PA3
19 PA0
PA1
4
3D
5
2Q
17
3Q
1D
2
3
1Q
18
2D
8
6Q
13
6D
4D
5Q5D
15
14PA5
PA6PA6
PA4PA4 6
7PA5
8D
LE
8Q
U6
7D
12
7Q
.001
PA7PA7 9
11
150
A LED
150
A Sw
J4 Volts
600
300
A LED
COM
300
600
11
8D
U4LE
7D
8
7Q
6D
8Q
.001
9
PA6PA6
PA7PA7
4
3Q3D
5
2
74HC573
2D
1D
PA3
PA2PA2
PA3
PA0
PA1
PA0
3PA1
J4 Amps
3ØKW
Ø3
12 3ØKW
13 Ø3
25 25
100
55
17
16
4Q
100
1Q
18
2Q
19
Komentarze do niniejszej Instrukcji