Io interfacing, 16 sensor ohc operation and set up guide, Example outputs – Hypertherm SensorOHC User Manual
Page 20: Example inputs, Se nsor ohc, Se nsor oh c, Exter nal c ircu itr y, Exter nal c ircu itry, Swit ch in ter nal inpu t d etai ls, Led usi ng e xte rnal +5v
16
Sensor OHC Operation and Set Up Guide
IO Interfacing
The attached figure shows the details of connecting the IO to external switches, relays,
transistors, and other circuitry. The figure shows examples using the available isolated +12V
source and using an external voltage source.
IO Interfacing Examples
OP
TO
I
S
OL
A
TOR
1
2
3
4
Se
nsor
OHC
1K
U
P
INP
U
T
DS
U
B
1
5 F
e
m
al
e
1
2 3
4
5 6
7
8 9
10
11 12
13
14 15
16
R
ESI
ST
O
R
M
ax
ou
tpu
t v
olt
ag
e 3
0
V
M
ax
ou
tpu
t s
ink
c
urr
ent
1
00
mA
IS
O
LAT
ED
+
12
V
+5
V
Se
nsor
OH
C
0.
01
R
ESI
ST
O
R
In
ter
nal Inpu
t
D
etai
ls
R
ESI
ST
O
R
0.
1
In
ter
nal Out
put Deta
ils
In
ter
nal Inpu
t
D
etai
ls
E
R
RO
R O
U
TP
UT
DS
UB
1
5 M
al
e
1 2
3
4 5
6
7 8
9
10
11 12
13
14 15
16
D
O
WN IN
P
U
T
IN
PO
S O
U
TP
U
T
E
R
RO
R O
U
TP
UT
IO
G
nd
DS
UB
1
5 M
al
e
1
2 3
4
5 6
7
8 9
10
11 12
13
14 15
16
SPAR
E I
N
PU
T
R
ESI
ST
O
R
S
wit
ch
In
ter
nal Inpu
t
D
etai
ls
IO
G
nd
D
O
WN IN
P
U
T
475
DS
UB
1
5
F
em
a
le
1
2
3 4
5
6
7 8
9
10 11
12
13 14
15
16
IS
O
LAT
ED
+
12
V
IO
G
nd
C5
9
0.
1
C5
9
0.
1
+
In
ter
nal Out
put Deta
ils
M
A
NUA
L INP
U
T
SPAR
E I
N
PU
T
+5
V
IS
O
LAT
ED
+
12
V
DS
UB
1
5 M
al
e
1
2
3 4
5
6
7 8
9
10 11
12
13 14
15
16
5
6
12
11
D
O
WN IN
P
U
T
C5
9
0.
1
DS
UB
1
5
F
em
a
le
1
2 3
4
5 6
7
8 9
10
11 12
13
14
15
16
E
xter
nal
C
ircu
itr
y
5
6
12
11
IS
O
LAT
ED
+
12
V
0.
1
LED usi
ng
E
xte
rnal
+5V
+
SPAR
E O
U
T
P
U
T
1
2
16
15
Example Outputs
U
P
INP
U
T
U
P
INP
U
T
T
ran
sist
or u
sin
g
E
xte
rnal
+24
V
C5
9
0.
1
DS
UB
1
5 M
al
e
1
2 3
4
5 6
7
8 9
10
11 12
13
14
15
16
LED usi
ng
I
nte
rnal
+12V
IO
G
nd
DS
UB
1
5
F
em
a
le
1 2
3
4 5
6
7 8
9
10
11 12
13
14 15
16
SPAR
E I
N
PU
T
1
2
16
15
E
xter
nal
C
ircu
itry
+
O
pto
I
sol
ator
E
R
RO
R O
U
TP
UT
IS
O
LAT
ED
+
12
V
E
x
te
rn
a
l +24V
IN
PO
S O
U
TP
U
T
0.
01
DI
O
D
E
LA
M
P
1
2
+5
V
475
SPAR
E O
U
T
P
U
T
M
A
NUA
L INP
U
T
E
xt
er
n
al s
w
itc
h
M
anu
al I
n
put
IO
G
nd
1K
R
ESI
ST
O
R
Example Inputs
5
6
12
11
DS
U
B
1
5 F
e
m
al
e
1
2
3 4
5
6 7
8
9 10
11
12 13
14
15
16
IS
O
LAT
ED
+
12
V
DS
UB
1
5 M
al
e
1
2
3 4
5
6 7
8
9 10 11 12 13 14 15
16
5
6
12
11
In
ter
nal Out
put Deta
ils
IS
O
LAT
ED
+
12
V
M
A
NUA
L INP
U
T
IS
O
LAT
ED
+
12
V
1K
1
2
16
15
DS
UB
1
5 F
e
m
al
e
1 2
3
4 5
6
7 8
9
10 11
12
13 14
15
16
M
A
NUA
L INP
U
T
R
ela
y
M
ax to
tal
+1
2V cu
rre
nt dr
aw
50
mA
1K
DS
UB
1
5 M
al
e
1 2
3
4 5
6
7 8
9
10
11 12
13
14 15
16
C5
9
0.
1
IS
O
LAT
ED
+
12
V
IN
PO
S O
U
TP
U
T
R
ESI
ST
O
R
C5
9
0.
1
LE
D
0.
1
R
ESI
ST
O
R
C5
9
0.
1
0.
01
DS
UB
1
5 M
al
e
1 2
3
4 5
6
7 8
9
10 11
12
13 14
15
16
IS
O
LAT
ED
+
12
V
0.
1
RL
1
R
E
L
A
Y
SPST
4
3
1 2
DS
U
B
1
5 F
e
m
al
e
1
2 3
4
5 6
7
8 9
10
11 12
13
14
15
16
IS
O
LAT
ED
+
12
V
0.
01
Tr
ans
isto
r
In
ter
nal Inpu
t
D
etai
ls
C5
9
0.
1
IN
PO
S O
U
TP
U
T
+5
V
D
O
WN IN
P
U
T
IO
G
nd
Ex
te
rn
a
l +
5V
R
ela
y us
ing
E
xte
rnal
+24
V
SPAR
E I
N
PU
T
IO
G
n
d
Is
o
la
ted +12V
SPAR
E O
U
T
P
U
T
475
+
475
IS
O
LAT
ED
+
12
V
DS
UB
1
5 M
al
e
1
2 3
4
5 6
7
8 9
10
11 12
13
14
15
16
E
x
te
rn
a
l +24V
SPAR
E O
U
T
P
U
T
U
P
INP
U
T
DS
U
B
1
5 F
e
m
al
e
1 2
3
4 5
6
7 8
9
10
11 12
13
14 15
16
1
2
16
15
LE
D
RL
1
R
E
LA
Y
SPST
4
3
1
2
2N
29
07
NP
N
In
ter
nal Out
put Deta
ils
E
R
RO
R O
U
TP
UT