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FIGURE 6. OM5-BP-16-MUX-C Schematic.
SCM5B
22
20
18
16
6
4
2
5
3
1
23
21
19
17
PCOM
I/O COM
–EXC +EXC–In +In
+5
TB1
TB17
PCOM
RD EN\
V
OUT
V
IN
+In
+EXC
+SEN
–In
–EXC
–SEN
Channel 1
WR EN\
NC
OP1
1234
Fuse
F1
PCOM
4 Amps
+5
+5
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
VREAD
ACOM
VWRITE
SNS LO
ACOM
ACOM
R0
R1
R2
R3
R4
R5
W0
W1
W2
W3
W4
W5
RD EN\
WR EN\
DATA
DCOM
DCOM
P1
C
1
PCOM
Jumper
J2
Jumper
J1
Jumper
J3
Signal Ground
and Grounding Bolt
R
1
Jumper
J4
7
9
10
11
12
13
14
15
U2
74HCT138
Y7
Y6
Y5
Y4
Y3
Y2
Y1
Y0
G1
G2A
G2B
C
B
A
6
4
5
3
2
1
7
6
5
4
U1
74HCT139
Y3
Y2
Y1
Y0
G
B
A
1
3
2
4
3
2
1
0
E1
RD15
RD14
RD13
RD12
RD11
RD10
RD9
9
10
11
12
U1
74HCT139
Y3
Y2
Y1
Y0
G
B
A
15
13
14
4
3
2
1
0
E2
7
9
10
11
12
13
14
15
U3
74HCT138
Y7
Y6
Y5
Y4
Y3
Y2
Y1
Y0
G1
G2A
G2B
C
B
A
6
4
5
3
2
1
RD8
RD7
RD6
RD5
RD4
RD3
RD2
+5
7
9
10
11
12
13
14
15
U4
74HCT138
Y7
Y6
Y5
Y4
Y3
Y2
Y1
Y0
G1
G2A
G2B
C
B
A
6
4
5
3
2
1
WR15
WR14
WR13
WR12
WR11
WR10
WR9
7
9
10
11
12
13
14
15
U5
74HCT138
Y7
Y6
Y5
Y4
Y3
Y2
Y1
Y0
G1
G2A
G2B
C
B
A
6
4
5
3
2
1
WR8
WR7
WR6
WR5
WR4
WR3
WR2
+5
N/C
N/C
N/C
Data
V
OUT
V
IN
RD1
WR1
22
20
18
16
6
4
2
5
3
1
23
21
19
17
PCOM
I/O COM
–EXC +EXC–In +In
+5
TB16
RD EN\
V
OUT
V
IN
+In
+EXC
+SEN
–In
–EXC
–SEN
Channel 16
WR EN\
NC
OP16
1234
RD16
WR16
+
DZ1
5.6V
HD10
HD10
OMX-1362-C
NOTES:
1. J1, J2, J4 and R
1
are factory installed.
3. Resistors OMX-1362-C are optional I/V conversion
resistors for current inputs, not factory installed.
2. OMX-CJC-C are CJC temperature sensors.
OMX-CJC-C
OMX-1362-C
OMX-CJC-C
LED