G4 DIGITAL DC INPUT MODULES
Features
4000 volts transient optical isolation
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Built-in LED status indicator
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Small footprint design, reducing mounting space by
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approximately 50 percent
Built-in filtering for transient suppression and noise rejection
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Operating temperature: -30 °C to 70 °C
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UL recognized, CSA certified, CE approved
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Passes NEMA Showering Arc Test (ICS 2-230)
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Meets IEEE Surge Withstand Specification (IEEE-472)
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DESCRIPTION
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.
DATA SHEET
Form 0253-200212
PAGE 1
Opto 22 G4 digital input modules include the
G4IDC5B high-speed module and the G4IDC5MA
module with manual-on/manual-off/automatic
switch for diagnostic testing.
All DC input modules except the G4IDC5K and G4IDC5D are designed
with filtering on the input and a hysteresis amplifier, providing high
noise rejection and transient-free, “clean” switching. The G4IDC5K is a
fast-switching module used to detect signals produced by
photoelectric switches and TTL devices. The low-cost G4IDC5D is
used for data acquisition.
The G4IDC5MA is a special module featuring a
manual-on/manual-off/automatic switch, ideal for diagnostic testing
of control applications.
The G4IDC5-SW and G4IDC5-SWNC modules supply power to an
external dry contact switch and sense switch closure (SW) or opening
(SWNC).
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.
Compatible with Raspberry Pi
The following G4 digital DC input modules can be used with the
Digital I/O Carrier Board for Raspberry Pi® (part number OPTO-P1-40P)
to monitor and control industrial devices with your Raspberry Pi:
G4IDC5
G4IDC5D
G4IDC5G
G4IDC5MA
Part Numbers
Part Description
G4IDC5* G4 DC Input 10–32 VDC, 5 VDC Logic
G4IDC5B
G4IDC5D* G4 DC Input 2.5–28 VDC, 5 VDC Logic
G4IDC5G* G4 DC Input 35–60 VDC, 5 VDC Logic
G4IDC5K
G4IDC5MA*
G4IDC5-SW
G4IDC5-SWNC
G4IDC15 G4 DC Input 10–32 VDC, 15 VDC Logic
G4IDC24 G4 DC Input 10–32 VDC, 24 VDC Logic
* Compatible with Raspberry Pi
G4 DC Input 4–16 VDC, 5 VDC Logic High
Speed
G4 DC Input 2.5–16 VDC, 5 VDC Logic Very
High Speed
G4 DC Input 10–32 VDC, 5 VDC Logic With
Manual/Auto Switch
G4 Switch Status Input, Self-powered, Normally Open
G4 Switch Status Input, Self-powered, Normally Closed
Raspberry Pi® is a trademark of the Raspberry Pi Foundation.
© 2003–2020 Opto 22. All rights reserved. Dimensions and specifications are subject to change. Brand or product names used herein are trademarks or registered trademarks of their respective companies or organizations.
Form 0253-200212
SPECIFICATIONS
Units G4IDC5* G4IDC5B G4IDC5D* G4IDC5G*
Input voltage range
Key feature — Higher speed High speed —
Input current at maximum line mA 25 45 30 6
Isolation, input-to-output (transient):
1 ms
1 minute
Turn-on time ms 5 0.05 1 10
Turn-off time ms 5 0.1 1.5 10
Input allowed for off-state mA, V 1, 3 0.7, 1 0.2, 1 0.7, 7
Nominal output supply voltage VDC 5555
Output supply voltage range VDC 4.5–6 4.5–6 4.5–6 4.5–6
Output supply current at
nominal logic voltage
Input resistance (R1 in schematic) ohms 1.5 K 300 900 10 K
Control resistance (Rc in schematic) ohms 220 220 470 220
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
Transistor V breakdown 30 30 30 30
Temperature:
Operating
Storage
* Compatible with Raspberry Pi
VDC
VAC
V
V
mA 12 12 12 12
microamps @
30 VDC
°
C
°
C
10–32
12–32
4000
1500
100 100 10 100
–30 to +70
–30 to +85
4–16
4–16
4000
1500
–30 to +70
–30 to +85
2.5–28
—
4000
1500
–30 to +70
–30 to +85
35–60
35–60
4000
1500
–30 to +70
–30 to +85
DATA SHEET
PAGE 2
G4IDC5-SW and G4IDC5-SWNC modules
See page 4 for specifications and other information for the
G4IDC5-SW and G4IDC5-SWNC self-powered modules.
© 2003–2020 Opto 22. All rights reserved. Dimensions and specifications are subject to change. Brand or product names used herein are trademarks or registered trademarks of their respective companies or organizations.
SPECIFICATIONS (CONT.)
Units G4IDC5K G4IDC5MA* G4IDC15** G4IDC24**
Input voltage range
Key feature
Input current at maximum line mA 30 25 25 25
Isolation, input-to-output (transient):
1 ms
1 minute
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
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
Transistor V breakdown 30 30 30 30
Temperature:
Operating
Storage
* Compatible with Raspberry Pi
** Not for use with Opto 22 brains
*** At 5Vp-p square wave input, 50% duty cycle
VDC
VAC
V
V
mA 12 12 15 18
microamps @
30 VDC
°
C
°
C
2.5–16
—
Highest
speed
4000
1500
100 100 100 100
–30 to +70
–30 to +85
10–32
12–32
Diagnostic
switch
4000
1500
–30 to +70
–30 to +85
10–32
12–32
——
4000
1500
–30 to +70
–30 to +85
10–32
12–32
4000
1500
–30 to +70
–30 to +85
DATA SHEET
Form 0253-200212
PAGE 3
© 2003–2020 Opto 22. All rights reserved. Dimensions and specifications are subject to change. Brand or product names used herein are trademarks or registered trademarks of their respective companies or organizations.
G4IDC5-SW AND G4IDC5-SWNC MODULES
DATA SHEET
Form 0253-200212
PAGE 4
Description
Each G4IDC5-SW and G4IDC5-SWNC module provides one isolated
channel of contact status input. Each module supplies 13 volts of
power to an external dry contact switch. The G4IDC5-SW senses
switch closure; the G4IDC5-SWNC senses switch opening. Each
user-supplied switch is connected with two wires. Because these
modules include power for the switch, they are particularly
cost-effective when labor costs for wiring external power are high.
Typical switches for use with these modules are switched status
sensors (level sensors, pressure indicators, etc.), magnetic reed
switches (used on doors or windows for burglar alarms), snap-action
micro switches, the auxiliary switches on motor starters, and most
relay contacts.
CAUTION: G4IDC5-SW and G4IDC5-SWNC inputs are not intended to
be used with contacts that are connected to any external
user-supplied voltage or currents.
Specifications
Field Side Ratings
Open Circuit Voltage (Switch Open) 11 VDC min., 13 VDC typical, 15 VDC max.
Short Circuit Current (Switch Closed) 6 milliamps nominal
Minimum Off Resistance 20 K ohms
Maximum Allowable On Resistance
(Wire + Contact Resistance)
Logic Side Ratings
Logic Output Voltage for G4IDC5-SW
(normally open)
Logic Output Voltage for G4IDC5-SWNC
(normally closed)
Maximum Operating Common Mode
Voltage (Field Term to Logic Connector)
Power Requirements: 5 VDC (±0.25) @ 25 mA nom.
Module Ratings
Number of Channels Per Module 1
Turn-on Time 8 msec typical
Turn-off Time 8 msec typical
Input-to-output Isolation (transient) 4000 V AC/DC
Temperature
500 ohms
<0.5 V max. (switch closed; LED on) @ 2 mA sinking
2.7 V min. (switch open; LED off) @ 0.4 mA sourcing
<0.5 V max. (switch open; LED on) @ 2 mA sinking
2.7 V min. (switch closed; LED off) @ 0.4 mA sourcing
250 V
0 °C to 70 °C, operating
–30 °C to 85 °C, storage
© 2003–2020 Opto 22. All rights reserved. Dimensions and specifications are subject to change. Brand or product names used herein are trademarks or registered trademarks of their respective companies or organizations.
Schematic
Dimensions
DATA SHEET
Form 0253-200212
PAGE 5
© 2003–2020 Opto 22. All rights reserved. Dimensions and specifications are subject to change. Brand or product names used herein are trademarks or registered trademarks of their respective companies or organizations.
Schematics
DATA SHEET
Form 0253-200212
PAGE 6
© 2003–2020 Opto 22. All rights reserved. Dimensions and specifications are subject to change. Brand or product names used herein are trademarks or registered trademarks of their respective companies or organizations.
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