Rockwell Automation Allen-Bradley MicroLogix 1762-OW16 User manual

Installation Instructions
MicroLogix 1762-OW16 Relay Output Module
Catalog Number 1762-OW16
Table of Contents
Topic Page
Important User Information 2
North American Hazardous Location Approval 4
Additional Resources 5
Overview 6
Module Description 7
Mount the Module 8
Field Wiring Connections 11
Specifications 15

2MicroLogix 1762-OW16 Relay Output Module
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Important User Information
Solid state equipment has operational characteristics differing from those of electromechanical equipment.
Safety Guidelines for the Application, Installation and Maintenance of Solid State Controls (Publication
SGI-1.1 available from your local Rockwell Automation sales office or online at
http://literature.rockwellautomation.com) describes some important differences between solid state
equipment and hard-wired electromechanical devices. Because of this difference, and also because of the
wide variety of uses for solid state equipment, all persons responsible for applying this equipment must
satisfy themselves that each intended application of this equipment is acceptable.
In no event will Rockwell Automation, Inc. be responsible or liable for indirect or consequential damages
resulting from the use or application of this equipment.
The examples and diagrams in this manual are included solely for illustrative purposes. Because of the many
variables and requirements associated with any particular installation, Rockwell Automation, Inc. cannot
assume responsibility or liability for actual use based on the examples and diagrams.
No patent liability is assumed by Rockwell Automation, Inc. with respect to use of information, circuits,
equipment, or software described in this manual.
Reproduction of the contents of this manual, in whole or in part, without written permission of Rockwell
Automation, Inc., is prohibited.
Throughout this manual, when necessary, we use notes to make you aware of safety considerations.
WARNING
Identifies information about practices or circumstances that can cause an explosion in
a hazardous environment, which may lead to personal injury or death, property
damage, or economic loss.
IMPORTANT
Identifies information that is critical for successful application and understanding of
the product.
ATTENTION
Identifies information about practices or circumstances that can lead to personal injury
or death, property damage, or economic loss. Attentions help you identify a hazard,
avoid a hazard and recognize the consequences.
SHOCK HAZARD
Labels may be on or inside the equipment (for example, drive or motor) to alert people
that dangerous voltage may be present.
BURN HAZARD
Labels may be on or inside the equipment (for example, drive or motor) to alert people
that surfaces may reach dangerous temperatures.

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Environment and Enclosure
Preventing Electrostatic Discharge
ATTENTION
This equipment is intended for use in a Pollution Degree 2 industrial
environment, in overvoltage Category II applications (as defined in IEC 60664-1),
at altitudes up to 2000 m (6562 ft) without derating.This equipment is
considered Group 1, Class A industrial equipment according to IEC/CISPR 11.
Without appropriate precautions, there may be difficulties with electromagnetic
compatibility in residential and other environments due to conducted and
radiated disturbances.
This equipment is supplied as open-type equipment. It must be mounted within
an enclosure that is suitably designed for those specific environmental
conditions that will be present and appropriately designed to prevent personal
injury resulting from accessibility to live parts. The enclosure must have suitable
flame-retardant properties to prevent or minimize the spread of flame,
complying with a flame spread rating of 5VA, V2, V1, V0 (or equivalent) if
non-metallic. The interior of the enclosure must be accessible only by the use of
a tool. Subsequent sections of this publication may contain additional
information regarding specific enclosure type ratings that are required to comply
with certain product safety certifications.
In addition to this publication, see:
•Industrial Automation Wiring and Grounding Guidelines, for additional
installation requirements, Allen-Bradley publication 1770-4.1.
•NEMA Standards 250 and IEC 60529, as applicable, for explanations of
the degrees of protection provided by different types of enclosure.
ATTENTION
This equipment is sensitive to electrostatic discharge, which can cause internal
damage and affect normal operation. Follow these guidelines when you handle
this equipment:
•Touch a grounded object to discharge potential static.
•Wear an approved grounding wriststrap.
•Do not touch connectors or pins on component boards.
•Do not touch circuit components inside the equipment.
•Use a static-safe workstation, if available.
•Store the equipment in appropriate static-safe packaging when not in use.

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North American Hazardous Location Approval
The following modules are North American Hazardous Location approved: 1762-OW16
The following information applies when
operating this equipment in hazardous
locations:
Informations sur l’utilisation de cet
équipement en environnements dangereux:
Products marked "CL I, DIV 2, GP A, B, C, D" are
suitable for use in Class I Division 2 Groups A, B, C,
D, Hazardous Locations and nonhazardous
locations only. Each product is supplied with
markings on the rating nameplate indicating the
hazardous location temperature code. When
combining products within a system, the most
adverse temperature code (lowest "T" number) may
be used to help determine the overall temperature
code of the system. Combinations of equipment in
your system are subject to investigation by the
local Authority Having Jurisdiction at the time of
installation.
Les produits marqués "CL I, DIV 2, GP A, B, C, D" ne
conviennent qu'à une utilisation en environnements de
Classe I Division 2 Groupes A, B, C, D dangereux et non
dangereux. Chaque produit est livré avec des
marquages sur sa plaque d'identification qui indiquent
le code de température pour les environnements
dangereux. Lorsque plusieurs produits sont combinés
dans un système, le code de température le plus
défavorable (code de température le plus faible) peut
être utilisé pour déterminer le code de température
global du système. Les combinaisons d'équipements
dans le système sont sujettes à inspection par les
autorités locales qualifiées au moment de l'installation.
WARNING
EXPLOSION HAZARD
• Do not disconnect equipment
unless power has been removed
or the area is known to be
nonhazardous.
• Do not disconnect connections to
this equipment unless power has
been removed or the area is
known to be nonhazardous.
Secure any external connections
that mate to this equipment by
using screws, sliding latches,
threaded connectors, or other
means provided with this product.
• Substitution of any component
may impair suitability for Class I,
Division 2.
• If this product contains batteries,
they must only be changed in an
area known to be nonhazardous.
• All wiring must comply with
N.E.C. article 501-4(b).
• The interior of the enclosure must
be accessible only by the use of a
tool.
• For applicable equipment (relay
modules, etc.), exposure to some
chemicals may degrade the
sealing properties of materials
used in the following devices:
Relays, Epoxy. It is recommended
that the User periodically inspect
these devices for any degradation
of properties and replace the
module if degradation is found.
AVERTISSEMENT
RISQUE D’EXPLOSION
• Couper le courant ou s’assurer que
l’environnement est classé non
dangereux avant de débrancher
l'équipement.
• Couper le courant ou s'assurer que
l'environnement est classé non
dangereux avant de débrancher les
connecteurs. Fixer tous les
connecteurs externes reliés à cet
équipement à l'aide de vis, loquets
coulissants, connecteurs filetés ou
autres moyens fournis avec ce
produit.
• La substitution de tout composant
peut rendre cet équipement inadapté
à une utilisation en environnement de
Classe I, Division 2.
• S’assurer que l’environnement est
classé non dangereux avant de
changer les piles.

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Additional Resources
If you would like a manual, you can:
•download a free electronic version from the Internet:
http://literature.rockwellautomation.com
•purchase a printed manual by contacting your local Allen-Bradley distributor or
Rockwell Automation representative
Resource Description
MicroLogix 1100 Programmable Controllers User
Manual, publication 1763-UM001.
A more detailed description of how to install and use
your MicroLogix 1100 programmable controller and
expansion I/O system.
MicroLogix 1200 Programmable Controllers User
Manual, publication 1762-UM001.
A more detailed description of how to install and use
your MicroLogix 1200 programmable controller and
expansion I/O system.
MicroLogix 1400 Programmable Controllers User
Manual, publication 1766-UM001.
A more detailed description of how to install and use
your MicroLogix 1400 programmable controller and
expansion I/O system.
MicroLogix 1100 Programmable Controllers
Installation Instructions, publication 1763-IN001.
Information on installing and using the
MicroLogix 1100 programmable controller.
MicroLogix 1200 Programmable Controllers
Installation Instructions, publication 1762-IN006.
Information on installing and using the
MicroLogix 1200 programmable controller.
MicroLogix 1400 Programmable Controllers
Installation Instructions, publication 1766-IN001.
Information on installing and using the
MicroLogix 1400 programmable controller.
Industrial Automation Wiring and Grounding
Guidelines, publication 1770-4.1.
More information on proper wiring and grounding
techniques.

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Overview
1762 output module is suitable for use in an industrial environment when installed in
accordance with these instructions. Specifically, this equipment is intended for use in clean, dry
environments (Pollution degree 2(1)) and to circuits not exceeding Over Voltage Category II(2)
(IEC 60664-1)(3).
Install your module using these installation instructions.
1762 Output Module
(1) Pollution Degree 2 is an environment where, normally, only non-conductive pollution occurs except that occasionally a
temporary conductivity caused by condensation shall be expected.
(2) Over Voltage Category II is the load level section of the electrical distribution system. At this level transient voltages are
controlled and do not exceed the impulse voltage capability of the product’s insulation.
(3) Pollution Degree 2 and Over Voltage Category II are International Electrotechnical Commission (IEC) designations.
ATTENTION
Do not remove the protective debris strip until after the module and all other
equipment in the panel near the module are mounted and wiring is complete.
Once wiring is complete, remove protective debris strip. Failure to remove strip
before operating can cause overheating.
ATTENTION
Electrostatic discharge can damage semiconductor devices inside the module.
Do not touch the connector pins or other sensitive areas.
Debris strip
45163

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Module Description
Item Description Item Description
1a upper panel mounting tab 5 pull loop
1b lower panel mounting tab 6 module door with terminal identification label
2 I/O diagnostic LEDs 7 bus connector cover
3 DIN rail latch 8 bus connector with male pins
4 flat ribbon cable with bus connector
(female pins)
9 terminal block
1a
37
82
6
4
9
5
Left side view
Front view
This equipment is sensitive to electrostatic discharge (ESD).
Follow ESD prevention guidelines when handling this equipment.
45164 45165
1a
4
3
2
1b
2

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Mount the Module
General Considerations
Most applications require installation in an industrial enclosure to reduce the effects of electrical
interference and environmental exposure. Locate your controller as far as possible from power
lines, load lines, and other sources of electrical noise such as hard-contact switches, relays, and
AC motor drives. For more information on proper grounding guidelines, see the Industrial
Automation Wiring and Grounding Guidelines, publication 1770-4.1.
Mounting Dimensions
ATTENTION
This product is intended to be mounted to a well-grounded mounting surface
such as a metal panel. Additional grounding connections from the power
supply's mounting tabs or DIN rail (if used) are not required unless the mounting
surface cannot be grounded. Refer to Industrial Automation Wiring and
Grounding Guidelines, Allen-Bradley publication 1770-4.1, for additional
information.
Measurements do not include mounting feet or DIN rail latches.
90 mm
(3.5 in.)
87 mm
(3.43 in.)
40.4 mm (1.59 in.) 45166

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Module Spacing
Maintain spacing from objects such as enclosure walls, wireways and adjacent equipment. Allow
50.8 mm (2 in.) of space on all sides for adequate ventilation, as shown:
DIN Rail Mounting
The module can be mounted using the following DIN rails: 35 x 7.5 mm (EN 50 022 - 35 x 7.5)
or 35 x 15 mm (EN 50 022 - 35 x 15).
Before mounting the module on a DIN rail, close the DIN rail latch. Press the DIN rail
mounting area of the module against the DIN rail. The latch will momentarily open and lock
into place.
Use DIN rail end anchors (Allen-Bradley part number 1492-EA35 or 1492-EAH35) for
vibration or shock environments.
TIP
For environments with greater vibration and shock concerns, use the panel
mounting method described below, instead of DIN rail mounting.
MicroLogix
1100/1200/1400
1762 I/O 1762 I/O 1762 I/O
Top
Bottom
Side
44913
Side
End anchor End anchor
45167

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Panel Mounting
Use the dimensional template shown below to mount the module. The preferred mounting
method is to use two M4 (#8) panhead screws per module. M3.5 (#6) panhead screws may also
be used, but a washer may be needed to ensure a good mechanical contact. Mounting screws are
required on every module.
System Assembly
The expansion I/O module is attached to the controller or another I/O module by means of a
flat ribbon cable after mounting as shown below.
TIP
Use the pull loop on the connector to disconnect modules. Do not pull on the
ribbon cable.
90
(3.54)
100.06
(3.939)
40.4
(1.59)
40.4
(1.59)
14.2
(0.568)
MicroLogix
1100/1200/1400
1762 I/O 1762 I/O 1762 I/O
95 (3.74)
44914
For more than 2 I/O modules: measure (number of modules - 1) x 40 mm (1.59 in.)
NOTE: All dimensions are in mm (in.). Hole spacing tolerance: ±0.4 mm (0.016 in.).
Bus connector covers
1762 expansion
bus connector
cover
45168

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Field Wiring Connections
Grounding the Module
In solid-state control systems, grounding and wire routing helps limit the effects of noise due to
electromagnetic interference (EMI). Run the ground connection from the ground screw of the
controller to the ground bus prior to connecting any devices. Use AWG #14 wire. For
AC-powered controllers, this connection must be made for safety purposes.
You must also provide an acceptable grounding path for each device in your application. For
more information on proper grounding guidelines, refer to the Industrial Automation Wiring
and Grounding Guidelines, publication 1770-4.1.
WARNING
EXPLOSION HAZARD
• In Class I, Division 2 applications, the bus connector must be fully seated and
the bus connector cover must be snapped in place.
• In Class I, Division 2 applications, all modules must be mounted in direct
contact with each other as shown on page 10. If DIN rail mounting is used, an
end anchor must be installed ahead of the controller and after the last 1762
I/O module.
ATTENTION
To comply with the CE Low Voltage Directive (LVD), all connected I/O must be
powered from a source compliant with the Safety Extra Low Voltage (SELV) or
Protected Extra Low Voltage (PELV).
ATTENTION
Recommended Surge Suppression. Use a 1N4004 diode reverse-wired across
the load for transistor outputs switching 24V DC inductive loads. For additional
details, refer to Industrial Automation Wiring and Grounding Guidelines,
Allen-Bradley publication 1770-4.1.
Typical Loading Resistor - To limit the effects of leakage current through solid
state outputs, a loading resistor can be connected in parallel with your load. Use
a 5.6 KΩ, 0.5 W resistor for transistor outputs, 24V DC operation.
WARNING
If you connect or disconnect wiring while the field-side power is on, an electrical
arc can occur. This could cause an explosion in hazardous location installations.
Be sure that power is removed or the area is nonhazardous before proceeding.

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Output Wiring
Basic wiring of the 1762-OW16 is shown below.
Basic Wiring to the 1762-OW16 Module
A write-on label is provided with the module. Mark the identification of each terminal with
permanent ink, and slide the label back into the door.
ATTENTION
Be careful when stripping wires. Wire fragments that fall into a module could
cause damage when power is applied. Once wiring is complete, ensure the
module is free of all metal fragments.
OUT 2
OUT 0
OUT 3
OUT 1
VAC-VDC
0
CR
CR
CR
OUT 6
OUT 4
OUT 7
OUT 5 CR
CR
CR
OUT 10
OUT 8
OUT 11
OUT 9
VAC-VDC
1
CR
CR
CR
OUT 14
OUT 12
OUT 15
OUT 13 CR
CR
CR
L1 or +DC
L2 or -DC
L1 or +DC
L2 or -DC

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Wiring the Finger-Safe Terminal Block
When wiring the terminal block, keep the finger-safe cover in place.
1. Route the wire under the terminal pressure plate. You can use the stripped end of the
wire or a spade lug. The terminals will accept a 6.35 mm (0.25 in.) spade lug.
2. Tighten the terminal screw making sure the pressure plate secures the wire.
Recommended torque when tightening terminal screws is 0.90 Nm (8 lb-in.).
Wire Size and Terminal Screw Torque
Each terminal accepts up to two wires with the following restrictions:
TIP
Finger-safe cover not shown for clarity.
TIP
If you need to remove the finger-safe cover, insert a screw driver into one of the
square wiring holes and gently pry the cover off. If you wire the terminal block
with the finger-safe cover removed, you will not be able to put it back on the
terminal block because the wires will be in the way.
Wire Type Wire Size Terminal Screw Torque
Solid Cu-90 °C (194 °F) #14 …22 AWG 0.90 Nm (8 lb-in.)
Stranded Cu-90 °C (194 °F) #16…22 AWG 0.90 Nm (8 lb-in.)

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I/O Memory Mapping
Output Data File
For each output module, the output data file contains the controller-directed state of the discrete
output points. Bit positions 0…15 correspond to output terminals 0…15.
w = write only
1762 Expansion I/O Addressing
The addressing scheme for 1762 Expansion I/O is shown below.
Word
Bit Position
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
0wwwwwwwwwwwwwwww
O0:x.0/0
Slot number(1)
Data file
File Type
Output (O) Slot delimiter
Word delimiter
Bit delimiter
Bit (0...15)
Word (always 0 for this module)
(1) I/O located on the controller (embedded I/O) is slot 0. I/O added to the controller (expansion I/O) begins with slot 1.

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Specifications
General Specifications
Attribute Value
Dimensions, HxWxD 90 x 40.4 x 87 mm (3.54 x 1.59 x 3.43 in.)
Height including mounting tabs is 110 mm (4.33 in.)
Approximate Shipping Weight
(with carton)
285g (0.63 lbs.)
Relay Life - Electrical 100 x 10³ operations min. (@ 3A 30V DC or 250V AC, Resistive)
Wire size See Wire Size and Terminal Screw Torque on page 13
Wiring category(1)
(1) Use this Conductor Category information for planning conductor routing. Refer to Industrial Automation Wiring and
Grounding Guidelines, publication 1770-4.1.
2 - on signal ports
Pilot duty rating Not rated
Enclosure type rating IP20
North American temp code T3C
Output Specifications
Attribute Value
Voltage category AC/DC normally open relay
Operating voltage range 5…265V AC
5…125V DC
Number of outputs 16
Bus current draw, max. 140 mA @ 5V DC (0.70W)
180 mA @ 24V DC (4.32W)
See Derating Charts on page 18.
Heat dissipation, max. 6.1 W
Signal delay, max. – resistive load On Delay: 10 ms
Off Delay: 10 ms
Off-state leakage, max. 0 mA
On-state current, min. 10 mA
Continuous current per point, max. 2.5A (Also see Relay Contact Ratings on page 16)
Continuous current per common, max. 8A
Continuous current per module, max. 16A
Total controlled load, max. 1440 VA

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Isolated groups Group 1: Outputs 0…7
Group 2: Outputs 8…15
Output group to backplane isolation Verified by one of the following dielectric tests: 1836V AC for 1 sec.
or 2596V DC for 1 sec.
265V AC working voltage (IEC Class 2 reinforced insulation)
Output group to output group isolation Verified by one of the following dielectric tests: 1836V AC for 1 sec.
or 2596V DC for 1 sec.
265V AC working voltage (basic insulation)
150V AC working voltage (IEC Class 2 reinforced insulation)
Vendor ID code 1
Product type code 7
Product code 121
Relay Contact Ratings
Volts (max.) Continuous
Amps per Point
(max.)
Amperes(1)
(1) Surge Suppression – Connecting surge suppressors across your external inductive load will extend the life of the relay
contacts. For additional details, refer to Industrial Automation Wiring and Grounding Guidelines, Allen-Bradley publication
1770-4.1.
Voltamperes
Make Break Make Break
240V AC 2.5A 7.5A 0.75A 1800 VA 180 VA
120V AC 15A 1.5A
125V DC 1.0A 0.22A(2)
(2) For DC voltage applications, the make/break ampere rating for relay contacts can be determined by dividing 28 VA by the
applied DC voltage. For example, 28 VA/48V DC = 0.58A. For DC voltage applications less than 14V, the make/break rating
for relay contacts cannot exceed 2A.
28 VA
24V DC 2.0A 1.2A 28 VA
Output Specifications
Attribute Value

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Environmental Specifications
Attribute Value
Temperature, operating IEC 60068-2-1 (Test Ad, Operating Cold),
IEC 60068-2-2 (Test Bd, Operating Dry Heat),
IEC 60068-2-14 (Test Nb, Operating Thermal Shock):
-20... 65 °C (-4...149 °F)
Temperature, storage IEC 60068-2-1 (Test Ab, Unpackaged Non-operating Cold),
IEC 60068-2-2 (Test Bb, Unpackaged Non-operating Dry Heat),
IEC 60068-2-14 (Test Na, Unpackaged Non-operating Thermal Shock):
-40…85 °C (-40…185 °F)
Relative humidity IEC 60068-2-30 (Test Db, Unpackaged Damp Heat):
5...95% non-condensing
Vibration IEC 60068-2-6 (Test Fc, Operating):
5 g @ 10... 500 Hz
Altitude, operating, max 2000 m (6562 ft)
Shock, operating IEC 60068-2-27 (Test Ea, Unpackaged Shock):
30 g
Shock, nonoperating IEC 60068-2-27 (Test Ea, Unpackaged Shock):
Panel mount - 50 g
DIN mount - 40 g
Emissions CISPR 11
Group 1, Class A
ESD immunity IEC 61000-4-2:
4 kV contact discharges
8 kV air discharges
4 kV indirect
Radiated RF immunity IEC 61000-4-3:
10V/m with 1 kHz sine-wave 80% AM from 80…2700 MHz
EFT/B immunity IEC 61000-4-4:
±2 kV at 5 kHz on signal ports
Surge transient immunity IEC 61000-4-5:
±1 kV line-line(DM) and ±2 kV line-earth(CM) on signal ports
Conducted RF immunity IEC 61000-4-6:
10V rms with 1 kHz sine-wave 80% AM from 150 kHz...80 MHz

18 MicroLogix 1762-OW16 Relay Output Module
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Derating Chart for each output of the 1762-OW16 Relay Output Module
Certifications
Certification (when
product is marked)(1)
(1) See the Product Certification link at http://www.rockwellautomation.com/products/certification for Declaration of
Conformity, Certificates, and other certification details.
Value
c-UL-us UL Listed Industrial Control Equipment, certified for US and Canada. See UL File
E322657.
UL Listed for Class I, Division 2 Group A,B,C,D Hazardous Locations, certified for
U.S. and Canada. See UL File E334470.
CE European Union 2004/108/EC EMC Directive, compliant with:
EN 61326-1; Meas./Control/Lab., Industrial Requirements
EN 61000-6-2; Industrial Immunity
EN 61000-6-4; Industrial Emissions
EN 61131-2; Programmable Controllers (Clause 8, Zone A & B)
European Union 2006/95/EC LVD, compliant with:
EN 61131-2; Programmable Controllers (Clause 11)
C-Tick Australian Radiocommunications Act, compliant with:
AS/NZS CISPR 11; Industrial Emissions
KC Korean Registration of Broadcasting and Communications Equipment,
compliant with:
Article 58-2 of Radio Waves Act, Clause 3
25°C 0°C
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
POINTS
@24V DC*
65°C -20°C
*24V bus voltage at typical condition = 24V DC.
*Only applicable for ML1400 & ML1100 controllers:
- when using seven 1762-OW16 modules with ML1400
- when using four 1762-OW16 modules with ML1100
ML1100
ML1400

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Notes:

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For an additional level of technical phone support for installation, configuration and troubleshooting, we offer
TechConnect support programs. For more information, contact your local distributor or Rockwell Automation
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Installation Assistance
If you experience a problem within the first 24 hours of installation, please review the information that's
contained in this manual. You can also contact a special Customer Support number for initial help in getting your
product up and running.
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Outside United States Please contact your local Rockwell Automation representative for the
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Publication 1762-IN009C-EN-P - July 2013
Supersedes Publication 1762-IN009B-EN-P - April 2011 Copyright © 2013 Rockwell Automation, Inc. All rights reserved.
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