Installation Instructions
Micro800 8-Point and 16-Point AC/DC Relay
Output Modules
Catalog Numbers 2085-OW8, 2085-OW16
http://www.rockwellautomation.com/literature/
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Table of Contents
Topic Page
Important User Information 2
Additional Resources 5
Overview 5
Module Description 6
Mount the Module 6
Wire the Outputs 9
Specifications 9
2 Micro800 8-Point and 16-Point AC/DC Relay Output Modules
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
Automation sales office or online at http://www.rockwellautomation.com/literature/
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.
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.
IMPORTANT Identifies information that is critical for successful application and understanding of the product.
available from your local Rockwell
) describes some important differences
Publication 2085-IN004A-EN-P - September 2012
Micro800 8-Point and 16-Point AC/DC Relay Output Modules 3
Environment and Enclosure
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 or be approved for the application if
nonmetallic. 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 the following:
• Industrial Automation Wiring and Grounding Guidelines, publication 1770-4.1
additional installation requirements.
• NEMA Standard 250 and IEC 60529, as applicable, for explanations of the degrees of
protection provided by enclosures.
, for
Preventing Electrostatic Discharge
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.
Publication 2085-IN004A-EN-P - September 2012
4 Micro800 8-Point and 16-Point AC/DC Relay Output Modules
North American Hazardous Location Approval
The following modules are North American Hazardous Location approved:
2085-OW8, 2085-OW16
The following information applies when operating
this equipment in hazardous locations:
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.
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 components 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.
WARNING: When you connect or disconnect the Removable Terminal Block (RTB) with field side
power applied, 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.
WARNING: When used in a Class I, Division 2, hazardous location, this equipment must be
mounted in a suitable enclosure with proper wiring method that complies with the governing
electrical codes.
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.
WARNING: If you insert or remove the module while backplane power is on, an electrical arc can
occur. This could cause an explosion in hazardous location installations. Be sure that power is
removed before proceeding.
WARNING: Exposure to some chemicals may degrade the sealing properties of materials used in
the following devices: Relay K100 through K107, Epoxy for 2085-OW8; Relay K100 through K115,
Epoxy for 2085-OW16. It is recommended that the User periodically inspect these devices for any
degradation of properties and replace the module if degradation is found.
Informations sur l’utilisation de cet équipement en
environnements dangereux:
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: 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 composants 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.
Publication 2085-IN004A-EN-P - September 2012
Micro800 8-Point and 16-Point AC/DC Relay Output Modules 5
1
1
45308
6
Front view
Right top view
45307
1
2085-OW8 shown
2
5
4
3
3
3
Additional Resources
Resource Description
Micro830 and Micro850 Programmable
Controller User Manual,
publication 2080-UM002
Micro 800 Bus Terminator Installation
Instructions, publication 2085-IN002
Industrial Automation Wiring and
Grounding Guidelines, publication 1770-4.1
A detailed description of how to install and use a Micro850
Programmable Controller.
Information on installing the bus terminator module.
More information on proper wiring and grounding techniques.
If you would like a manual, you can:
• download a free electronic version from the Internet:
http://www.rockwellautomation.com/literature/
.
• purchase a printed manual by contacting your local Allen-Bradley distributor or
Rockwell Automation representative
Overview
The Micro800™ expansion I/O is a modular I/O that complements and extends the capabilities
of Micro850™ controllers. These expansion I/O modules interface with Micro850 controllers
using an I/O expansion port.
I/O Module Overview
Publication 2085-IN004A-EN-P - September 2012
6 Micro800 8-Point and 16-Point AC/DC Relay Output Modules
1
1
45297
6
Front view
Right top view
45296
1
2085-OW16 shown
2
5
4
3
3
3
Module Description
Description Description
1 Mounting screw hole / mounting foot 4 Module interconnect latch
2 Removable Terminal Block (RTB) 5 DIN rail mounting latch
3 RTB hold down screws 6 I/O status LED
This equipment is sensitive to electrostatic discharge (ESD).
Follow ESD prevention guidelines when handling this equipment.
WARNING: Do not unscrew the RTB hold down screws and remove the RTB while power is on.
This could cause an explosion in hazardous location installations. Be sure that power is
removed before proceeding.
Mount the Module
For more information on proper grounding guidelines, see the Industrial Automation Wiring
and Grounding Guidelines, publication 1770-4.1
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.
Publication 2085-IN004A-EN-P - September 2012
Micro800 8-Point and 16-Point AC/DC Relay Output Modules 7
TIP
45309
Mounting dimensions do not include mounting feet or DIN rail latches.
87 mm (3.42 in.)
90 mm
(3.54 in.)
150 mm (5.91 in.)
44.5 mm (1.75 in.)
2085-OW8
2085-OW16
Micro850 Controller
Bus terminator
28 mm (1.10 in.)
Mounting Dimensions and DIN Rail Mounting
Use Surge Suppressors
Because of the potentially high current surges that occur when switching inductive load devices,
such as motor starters and solenoids, we recommend the use of some type of surge suppression to
protect and extend the operating life of the controllers output contacts.
Switching inductive loads without surge suppression can significantly reduce the life expectancy
of relay contacts. By adding a suppression device directly across the coil of an inductive device,
you prolong the life of the output or relay contacts. You also reduce the effects of voltage
transients and electrical noise from radiating into adjacent systems.
Refer to the Micro830 and Micro850 Programmable Controllers User Manual, publication
2080-UM002
, for suitable surge suppression methods and recommended surge suppressors.
DIN Rail Mounting
The module can be mounted using the following DIN rails: 35 x 7.5 mm x 1 mm
(EN 50 022 - 35 x 7.5).
Before mounting the module on a DIN rail, use a flat-blade screwdriver in the DIN rail latch and
pry it downwards until it is in the unlatched position.
For environments with greater vibration and shock concerns, use the panel
mounting method, instead of DIN rail mounting.
ATTENTION: This product is grounded through the DIN rail to chassis ground. Use zinc plated
yellow-chromate steel DIN rail to assure proper grounding. The use of other DIN rail materials
(for example, aluminum or plastic) that can corrode, oxidize, or are poor conductors, can result
in improper or intermittent grounding. Secure DIN rail to mounting surface approximately every
200 mm (7.8 in.) and use end-anchors appropriately.
Publication 2085-IN004A-EN-P - September 2012
8 Micro800 8-Point and 16-Point AC/DC Relay Output Modules
1. Hook the top of the DIN rail mounting area of the module onto the DIN rail, and then
press the bottom until the module snaps onto the DIN rail.
2. Push the DIN rail latch back into the latched position.
Use DIN rail end anchors (Allen-Bradley part number 1492-EAJ35 or 1492-EAHJ35)
for vibration or shock environments.
To remove your module from the DIN rail, pry the DIN rail latch downwards until it is in the
unlatched position.
Panel Mounting
The preferred mounting method is to use two M4 (#8) per module. Hole spacing tolerance:
±0.4 mm (0.016 in.). For mounting dimensions, refer to Micro830 and Micro850
Programmable Controller User Manual, publication 2080-UM002.
Follow these steps to install your module using mounting screws.
1. Place the module next to the controller against the panel where you are mounting it.
Make sure the controller and module are spaced properly.
2. Mark drilling holes through the mounting screw holes and mounting feet then remove
the module.
3. Drill the holes at the markings, then replace the module and mount it.
Leave the protective debris strip in place until you are finished wiring the module and
any other devices.
System Assembly
The Micro800 expansion I/O module is attached to the controller or another I/O module by
means of interconnecting latches and hooks, as well as the bus connector. The Micro850
controller and expansion I/O modules must terminate with a 2085-ECR Bus
Terminator module.
Be sure to lock the module interconnect latches and tighten the RTB hold down screws before
applying power to the module.
For installation of the 2085-ECR module, refer to Micro800 Bus Terminator Module
Installation Instructions, publication 2085-IN002
ATTENTION: Failure to connect a bus terminator module to the last expansion I/O module will
result in a controller hard fault.
Publication 2085-IN004A-EN-P - September 2012
.
Micro800 8-Point and 16-Point AC/DC Relay Output Modules 9
CM0
O-00
O-01
CM1
O-02
O-03
CM2
O-04
O-05
CM3
O-06
O-07
L1 or +DC
L2 or -DC
45310
CM0
O-00
O-01
CM1
O-02
O-03
CM2
O-04
O-05
CM3
O-06
O-07
CM4
L1 or +DC
L2 or -DC
O-08
O-09
CM5
O-10
O-11
CM6
O-12
O-13
CM7
O-14
O-15
45311
2085-OW8 2085-OW16
Terminal Block 1 Terminal Block 2
Field Wiring Connections
In solid-state control systems, grounding and wire routing helps limit the effects of noise due to
electromagnetic interference (EMI).
ATTENTION: Do not wire more than 2 conductors on any single terminal.
Wire the Outputs
Included with your 2085-OW8 module is a single 12-pin Removable Terminal Blocks (RTB).
Included with your 2085-OW16 module are two 12-pin RTB. Basic wiring of your module is
shown below.
Basic Wiring to the Module
Specifications
General Specifications
Attribute 2085-OW8 2085-OW16
Number of Outputs 8 16
Dimensions
HxWxD
Shipping weight, approx. 140 g (4.93 oz) 220 g (7.76 oz)
Wire size 0.25... 2.5 mm
28 x 90 x 87 mm
(1.10 x 3.54 x 3.42 in.)
1.2 mm (3/64 in.) insulation max
44.5 x 90 x 87 mm
(1.75 x 3.54 x 3.42 in.)
2
(22...14 AWG) solid or stranded copper wire rated at 75 °C (167 °F ), or greater,
Publication 2085-IN004A-EN-P - September 2012
10 Micro800 8-Point and 16-Point AC/DC Relay Output Modules
Maximum Volts Amperes Amperes
Continuous
Volt-Amperes
Make Break Make Break
120V AC 15 A 1.5 A 2.0 A 1800 VA 180 VA
240V AC 7.5 A 0.75 A
24V DC 1.0 A 1.0 A 28 VA
125V DC 0.22 A
General Specifications
Attribute 2085-OW8 2085-OW16
Insulation strip length 10 mm (0.39 in.)
Wiring category
Wire type Copper
Terminal screw torque. max 0.5…0.6 Nm
Bus current draw, max 5V DC, 120 mA
Load current, max (refer to Relay contact, (0.35 power factor) below)
Power dissipation,
total
Relay contact, (0.35 power
factor)
Minimum load, per point 10 mA per point
Off-state leakage, max 1.5 mA
Status indicators 8 yellow indicators 16 yellow indicators
Isolation voltage 240V (continuous), Reinforced Insulation Type, channel to system
Pilot duty rating C300, R150
Enclosure type rating None (open-style)
North American temp code T4
(1)
Use this Conductor Category information f or planning conductor routing. Refer to Industrial Automation Wirin g and Grounding Guidelines,
publication 1770-4.1.
(2)
RTB hold down screws should be tightened by ha nd. They should not be tightened using a power tool.
(1)
2 – on signal ports
(4.4…5.3 lb-in.)
24V DC, 50 mA
(2)
5V DC, 160 mA
24V DC, 100 mA
2.72 W 5.14 W
Type tested at 3250V DC for 60s
Environmental Specifications
Attribute Value
Temperature, operating IEC 60068-2-1 (Test Ad, Operating Cold),
Temperature, surrounding air, max 65 °C (149 °F)
Temperature, non-operating IEC 60068-2-1 (Test Ab, Unpackaged Nonoperating Cold),
Publication 2085-IN004A-EN-P - September 2012
IEC 60068-2-2 (Test Bd, Operating Dry Heat),
IEC 60068-2-14 (Test Nb, Operating Thermal Shock):
-20…65 °C (-4…149 °F)
IEC 60068-2-2 (Test Bb, Unpackaged Nonoperating Dry Heat),
IEC 60068-2-14 (Test Na, Unpackaged Nonoperating Thermal Shock):
-40…85 °C (-40…185 °F)
Micro800 8-Point and 16-Point AC/DC Relay Output Modules 11
Environmental Specifications
Attribute Value
Relative humidity IEC 60068-2-30 (Test Db, Unpackaged Damp Heat):
Vibration IEC 60068-2-6 (Test Fc, Operating):
Shock, operating IEC 60068-2-27 (Test Ea, Unpackaged Shock):
Shock, non-operating IEC 60068-2-27 (Test Ea, Unpackaged Shock):
Emissions CISPR 11
ESD immunity IEC 61000-4-2:
Radiated RF immunity IEC 61000-4-3:
EFT/B immunity IEC 61000-4-4:
Surge transient immunity IEC 61000-4-5:
Conducted RF immunity IEC 61000-4-6:
5…95% non-condensing
2 g @ 10…500 Hz
25 g
25 g DIN rail mount
35 g Panel mount
Group 1, Class A
6 kV contact discharges
8 kV air discharges
10V/m with 1 kHz sine-wave 80% AM from 80…2000 MHz
10V/m with 200 Hz 50% Pulse 100% AM at 900 MHz
10V/m with 200 Hz 50% Pulse 100% AM at 1890 MHz
10V/m with 1 kHz sine-wave 80% AM from 2000…2700 MHz
±2 kV at 5 kHz on signal ports
±1 kV line-line(DM) and ±2 kV line-earth(CM) on signal ports
10V rms with 1 kHz sine-wave 80% AM from 150 kHz…80 MHz
Certifications
Certification (when product
(1)
is marked)
c-UL-us UL Listed Industrial Control Equipment, certified for US and Canada. See UL File E322657.
CE European Union 2004/108/EC EMC Directive, compliant with:
C-Tick Australian Radiocommunications Act, compliant with:
KC Korean Registration of Broadcasting and Communications Equipment, compliant with:
(1)
See the Product Certification link athttp://www.rockwellautomation.com/p roducts/certification/ for Declaration of Conformity, Certificates, and
other certification details.
Valu e
UL Listed for Class I, Division 2 Group A,B,C,D Hazardous Locations, certified for U.S. and
Canada. See UL File E334470.
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)
AS/NZS CISPR 11; Industrial Emissions
Article 58-2 of Radio Waves Act, Clause 3
Publication 2085-IN004A-EN-P - September 2012
Rockwell Automation Support
Rockwell Automation provides technical information on the Web to assist you in using its products. At
http://www.rockwellautomation.com/support/
application notes, sample code and links to software service packs, and a MySupport feature that you can customize to make the
best use of these tools.
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 representative, or visit
http://www.rockwellautomation.com/support/
, you can find technical manuals, a knowledge base of FAQs, technical and
.
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.
United States or Canada 1.440.646.3434
Outside United States or
Canada
Use the Worldwide Locator
http://www.rockwellautomation.com/support/americas/phone_en.html
Rockwell Automation representative.
at
, or contact your local
New Product Satisfaction Return
Rockwell Automation tests all of its products to ensure that they are fully operational when shipped from the manufacturing
facility. However, if your product is not functioning and needs to be returned, follow these procedures.
United States Contact your distributor. You must provide a Customer Support case number (call the phone
Outside United States Please contact your local Rockwell Automation representative for the return procedure.
number above to obtain one) to your distributor to complete the return process.
Documentation Feedback
Your comments will help us serve your documentation needs better. If you have any suggestions on how to improve this
document, complete this form, publication RA-DU002
, available at http://www.rockwellautomation.com/literature/.
Allen-Bradley, Rockwell Automation, Micro800 , and TechConnect are trademarks of R ockwell Automation, Inc.
Trademarks not belonging to Rockwell Automation are property of their respective companies.
Publication 2085-IN004A-EN-P - September 2012 PN-101624
Copyright © 2012 Rockwell Automation, Inc. All rights reserved. Printed in Singapore.
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