Opto 22 G4PB16I Data Sheet

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

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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.