Opto 22’s G4 DC input modules are used to detect on/off DC voltage levels. Each module provides up to 4000 volts (transient) of optical isolation between field inputs and the logic output of the circuit. Typical applications for DC input modules include sensing the presence or absence of voltage and sensing contact closure from sources such as proximity switches, limit switches, selector switches, push buttons, photoelectric switches, and TTL-compatible devices.
This module is designed with filtering on the input and a hysteresis amplifier, providing high noise rejection and transient-free, “clean” switching.
DC
Input Modules (continued)
|
Units
|
G4IDC5K
|
G4IDC5MA
|
G4IDC15
|
G4IDC24
|
Input voltage range
|
VDC
VAC
|
2.5–16
—
|
10–32
12–32
|
10–32
12–32
|
10–32
12–32
|
Key feature
|
|
Highest
speed
|
Diagnostic
switch
|
—
|
—
|
Input current at maximum
line
|
mA
|
30
|
25
|
25
|
25
|
Isolation, input-to-output
(transient):
1 ms
1 minute
|
V
V
|
4000
1500
|
4000
1500
|
4000
1500
|
4000
1500
|
Turn-on time
|
ms
|
0.025*
|
5
|
5
|
5
|
Turn-off time
|
ms
|
0.025*
|
5
|
5
|
5
|
Input allowed for off-state
|
mA,
V
|
0.2,
1
|
1,
3
|
1,
3
|
1,3
|
Nominal output supply
voltage
|
VDC
|
5
|
5
|
15
|
24
|
Output supply voltage
range
|
VDC
|
4.5–6
|
4.5–6
|
12–18
|
20–30
|
Output supply current
at
nominal logic voltage
|
mA
|
12
|
12
|
15
|
18
|
Input resistance (R1
in schematic)
|
ohms
|
500
|
1.5
K
|
1.5
K
|
1.5
K
|
Control resistance (Rc
in schematic)
|
ohms
|
220
|
220
|
1 K
|
2.2
K
|
Output voltage drop
|
V @
50 mA
|
0.4
|
0.4
|
0.4
|
0.4
|
Output current (sinking)
|
mA
|
50
|
50
|
50
|
50
|
Output leakage with
no input
|
microamps
@ 30 VDC
|
100
|
100
|
100
|
100
|
Transistor
|
V
breakdown
|
30
|
30
|
30
|
30
|
Temperature:
Operating
Storage
|
°C
°C
|
-30 to +70
-30 to +85
|
-30 to +70
-30 to +85
|
-30 to +70
-30 to +85
|
-30 to +70
-30 to +85
|
* At 5Vp-p
square wave input, 50% duty cycle.
|
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