Classic G4 16-Channel Rack
Features
Requires minimum panel space
Spare module fuse on board
Screw terminals on both control and field connections
Negative-true or positive-true logic wiring for output
modules
Negative-true logic wiring for input modules
UL recognized, CSA certified, CE approved
Description
The G4PB16I I/O mounting rack accommodates up to 16 G4
digital I/O modules and features channel-to-channel isolation
between all field and control circuits.
Output modules may have their control side wired for either
positive-true or standard negative-true control signals from
computer I/O ports. Input modules operate only with negative
true logic.
Insert and remove modules easily and quickly without
disturbing field wiring. Modules are secured to the mounting
rack with a captive hold-down screw. Barrier strips with screw
G4 Digital I/O Rack
terminals provide the field, control, and mounting rack power
connections.
Specifications
Interface connectors
for Field and Control
Operating
temperature
Humidity 95% relative humidity, non-condensing
Screw-type barrier strip
accommodates up to 10 AWG wire
0 to 70 °C
Classic G4 16-Channel Rack
Part Number
Part Description
G4PB16I G4 16-Channel I/O Module Rack Isolated Control
© 2001–2012 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 0460-120604
PAG E
1
DATA SHEET
Connections
Module
Position
Control
Terminals
Field
Terminals
0 1 and 2 1 and 2
1 3 and 4 3 and 4
2 5 and 6 5 and 6
3 7 and 8 7 and 8
4 9 and 10 9 and 10
5 11 and 12 11 and 12
6 13 and 14 13 and 14
7 15 and 16 15 and 16
8 17 and 18 17 and 18
9 19 and 20 19 and 20
10 21 and 22 21 and 22
11 23 and 24 23 and 24
12 25 and 26 25 and 26
13 27 and 28 27 and 28
14 29 and 30 29 and 30
15 31 and 32 31 and 32
Classic G4 16-Channel Rack
DATA SHEET
PAG E
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Classic G4 16-Channel Rack
Notes:
1. At each module position on the field terminal strip, the
lower number is always connected to pin 1 of the I/O
module.
2. Input modules and dry contact output modules
(G4ODC5R and G4ODC5R5) require the power supply’s
ground to be connected to the control side’s GND
terminal.
3. Input modules and dry contact output modules
(G4ODC5R and G4ODC5R5) require odd numbered
connections on the control side be connected to +VCC.
Form 0460-120604
© 2001–2012 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 respecti ve companies or organizations.
4. Input modules use even-numbered control terminals and
can only be wired for negative-true logic.
5. To wire output modules for standard negative-true logic,
then connect the odd-numbered control terminals to Vcc
and use the even-numbered terminals for control.
6. To wire output modules for positive-true logic, then
connect the even-numbered control terminals to logic
ground and use the odd-numbered terminals for control.
See diagrams on the following page.
Classic G4 16-Channel Rack
Positive true logic
connection to PC
Negative true logic
connection to PC
Applications
Classic G4 16-Channel Rack
© 2001–2012 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.
DATA SHEET
Form 0460-120604
PAG E
3
Dimensions
Classic G4 16-Channel Rack
DATA SHEET
Classic G4 16-Channel Rack
PAG E
4
Form 0460-120604
© 2001–2012 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 respecti ve companies or organizations.
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and optional scripting. Commands are in plain English;
variables and I/O point names are fully descriptive.
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Professional, available for separate purchase, adds
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Quality
Founded in 1974, Opto 22 has established a
worldwide reputation for high-quality products. All
are made in the U.S.A. at our manufacturing
facility in Temecula, California. Because we do
no statistical testing and each part is tested
twice before leaving our factory, we can
guarantee most solid-state relays and optically
isolated I/O modules for life.
comprehensiv
staff of support engineers represents decades of training and
experience. Support is
Additional support is always available on our website: how-to
videos, OptoKnowledgeBase, self-training guide,
troubleshooting and user’s guides, and OptoForums.
In addition, hands-on training is available for free at our
or 951-695-3000, or visit our website at
e technical support for Opto 22 products. Our
contac
t Opto 22 headquarters at
© 2012 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 1335-110907
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