Installation Instructions
Compact™ Individually Isolated AC/DC Relay Output Module
(Catalog Number 1769-OW8I, Series B)
Inside
Module Description ................................................................................. 2
Module Installation.................................................................................. 3
System Assembly..................................................................................... 4
Mounting Expansion I/O .......................................................................... 5
Replacing a Single Module within a System .......................................... 7
Field Wiring Connections ......................................................................... 8
I/O Memory Mapping ............................................................................ 11
1769-OW8I Configuration File............................................................... 12
Spare/Replacement Module Parts ........................................................ 13
Specifications ........................................................................................ 14
Hazardous Location Considerations ...................................................... 17
Environnements dangereux ................................................................... 17
For More Information............................................................................. 18
Publication 1769-IN053A-EN-P - April 2001
2 Compact™ Individually Isolated AC/DC Relay Output Module
Module Description
5a
7a
1
2a
Item Description
1 bus lever
(with locking function)
3
2a upper panel mounting tab
DANGER
Do Not Remove RTB Under Power
10a
10b
8a
10
7a
Unless Area is Non-Hazardous
C
D
-V
C
A
V
0
0
T
U
O
C
D
-V
C
A
V
1
1
T
U
O
C
D
-V
C
A
V
2
2
T
U
O
C
D
-V
C
A
V
3
3
T
U
O
C
D
-V
C
A
V
4
4
T
U
O
C
D
-V
C
A
V
5
5
T
U
O
C
D
-V
C
A
V
6
6
T
U
O
C
D
-V
C
A
V
7
7
T
U
O
C
N
C
N
Ensure Adjacent
Bus Lever is Unlatched/Latched
Before/After
Removing/Inserting Module
W
-O
9
6
7
1
2b
4
I
8
2b lower panel mounting tab
3 I/O diagnostic LEDs
4 module door with terminal
identification label
5a movable bus connector
with female pins
5b stationary bus connector
with male pins
6 nameplate label
7a upper
tongue-and-groove slots
7b lower
tongue-and-groove slots
8a upper DIN rail latch
9
5b
8b lower DIN rail latch
9 write-on label (user ID tag)
10 removable terminal block (RTB)
with finger-safe cover
7b
6
7b
10a RTB upper retaining screw
10b RTB lower retaining screw
8b
Publication 1769-IN053A-EN-P - April 2001
Compact™ Individually Isolated AC/DC Relay Output Module 3
Module Installation
Compact I/O 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
Over Voltage Category II
(2)
(IEC 60664-1).
Prevent Electrostatic Discharge
(1)
) and to circuits not exceeding
(3)
ATTENTION
!
Remove Power
ATTENTION
!
Electrostatic discharge can damage integrated circuits or
semiconductors if you touch bus connector pins. Follow these
guidelines when you handle the module:
• Touch a grounded object to discharge static potential.
• Wear an approved wrist-strap grounding device.
• Do not touch the bus connector or connector pins.
• Do not touch circuit components inside the module.
• If available, use a static-safe work station.
• When not in use, keep the module in its static-shield box.
Remove power before removing or inserting this module. When
you remove or insert a module with power applied, an
electrical arc may occur. An electrical arc can cause personal
injury or property damage by:
• sending an erroneous signal to your system’s field devices,
causing unintended machine motion
• causing an explosion in a hazardous environment
Electrical arcing causes excessive wear to contacts on both the
module and its mating connector. Worn contacts may create
electrical resistance.
(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.
Publication 1769-IN053A-EN-P - April 2001
4 Compact™ Individually Isolated AC/DC Relay Output Module
System Assembly
The module can be attached to the controller or an adjacent I/O module before or
after mounting. For mounting instructions, see "Panel Mounting" on page 6, or "DIN
Rail Mounting" on page 7. To work with a system that is already mounted, see
"Replacing a Single Module within a System" on page 7.
The following procedure shows you how to assemble the Compact I/O system.
3
4
2
1
1
6
5
1. Disconnect power.
2. Check that the bus lever of the module to be installed is in the unlocked
(fully right) position.
3. Use the upper and lower tongue-and-groove slots (1) to secure the modules
together (or to a controller).
4. Move the module back along the tongue-and-groove slots until the bus
connectors (2) line up with each other.
5. Push the bus lever back slightly to clear the bus locking tab (3). Use your
fingers or a small screwdriver.
Publication 1769-IN053A-EN-P - April 2001
Compact™ Individually Isolated AC/DC Relay Output Module 5
6. To allow communication between the controller and module, move the bus
lever fully to the left (4) until it clicks. Ensure it locks firmly into the bus
locking tab.
ATTENTION
When attaching I/O modules, it is very important that the
bus connectors are securely locked together to ensure
proper electrical connection.
!
7. Attach an end cap terminator (5) to the last module in the system by using
the tongue-and-groove slots as before.
8. Lock the end cap bus terminator (6).
IMPORTANT
A 1769-ECR or 1769-ECL right or left end cap must be used to
terminate the end of the serial communication bus.
Mounting Expansion I/O
ATTENTION
During panel or DIN rail mounting of all devices, be sure that
all debris (metal chips, wire strands, etc.) is kept from falling
into the module. Debris that falls into the module could cause
damage on power up.
!
Minimum Spacing
Maintain spacing from
enclosure walls,
wireways, adjacent
equipment, etc. Allow 50
mm (2 in.) of space on all
sides for adequate
ventilation, as shown:
Side
Controller
Top
Side
Compact I/O
Compact I/O
Compact I/O
Bottom
Publication 1769-IN053A-EN-P - April 2001
End Cap
Compact I/O
Compact I/O
6 Compact™ Individually Isolated AC/DC Relay Output Module
Panel Mounting
Mount the module to a panel using two screws per module. Use M4 or #8 panhead
screws. Mounting screws are required on every module.
Panel Mounting Using the Dimensional Template
For more than 2 modules: (number of modules - 1) x 35 mm (1.38 in.)
Refer to host controller documentation for this dimension.
Note: All dimensions are in mm (inches).
Hole spacing tolerance: ±0.4 mm (0.016 in.).
132
(5.197)
122.6±0.2
(4.826±0.008)
Host Controller
Compact I/O
35
(1.38)
Compact I/O
Panel Mounting Procedure Using Modules as a Template
The following procedure allows you to use the assembled modules as a template
for drilling holes in the panel. If you have sophisticated panel mounting equipment,
you can use the dimensional template provided on page 6. Due to module
mounting hole tolerance, it is important to follow these procedures:
Compact I/O
28.5
(1.12)
End Cap
1. On a clean work surface, assemble no more than three modules.
2. Using the assembled modules as a template, carefully mark the center of all
module-mounting holes on the panel.
3. Return the assembled modules to the clean work surface, including any
previously mounted modules.
4. Drill and tap the mounting holes for the recommended M4 or #8 screw.
5. Place the modules back on the panel, and check for proper hole alignment.
6. Attach the modules to the panel using the mounting screws.
TIP
If mounting more modules, mount only the last one of
this group and put the others aside. This reduces
remounting time during drilling and tapping of the next
group.
7. Repeat steps 1 to 6 for any remaining modules.
Publication 1769-IN053A-EN-P - April 2001
Compact™ Individually Isolated AC/DC Relay Output Module 7
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 latches. Press the DIN
rail mounting area of the module against the DIN rail. The latches will momentarily
open and lock into place.
Replacing a Single Module within a System
The module can be replaced while the system is mounted to a panel (or DIN rail).
Follow these steps in order:
1. Remove power. See important note on page 3.
2. On the module to be removed, remove the upper and lower mounting
screws from the module (or open the DIN latches using a flat-blade or
phillips style screwdriver).
3. Move the bus lever to the right to disconnect (unlock) the bus.
4. On the right-side adjacent module, move its bus lever to the right (unlock)
to disconnect it from the module to be removed.
5. Gently slide the disconnected module forward. If you feel excessive
resistance, check that the module has been disconnected from the bus, and
that both mounting screws have been removed (or DIN latches opened).
TIP
6. Before installing the replacement module, be sure that the bus lever on the
module to be installed, and on the right-side adjacent module are in the
unlocked (fully right) position.
7. Slide the replacement module into the open slot.
8. Connect the modules together by locking (fully left) the bus levers on the
replacement module and the right-side adjacent module.
9. Replace the mounting screws (or snap the module onto the DIN rail).
It may be necessary to rock the module slightly from
front to back to remove it, or, in a panel-mounted
system, to loosen the screws of adjacent modules.
Publication 1769-IN053A-EN-P - April 2001
8 Compact™ Individually Isolated AC/DC Relay Output Module
Field Wiring Connections
Grounding the Module
This product is intended to be mounted to a well-grounded mounting surface such
as a metal panel. Additional grounding connections from the module’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.
Output Wiring
Basic wiring
(1)
of output devices to the 1769-OW8I is shown below.
ATTENTION
!
Be careful when stripping wires. Wire fragments that fall into a
module could cause damage at power up. Once wiring is
complete, ensure the module is free of all metal fragments.
L1a or +DCa
L2a or -DCa
L1b or +DCb
L2b or -DCb
L1c or +DCc
L2c or -DCc
CR
OUT 0
OUT 1
OUT 2
OUT 3
OUT 4
OUT 5
OUT 6
OUT 7
NC
VAC-VDC
0
VAC-VDC
1
VAC-VDC
2
VAC-VDC
3
VAC-VDC
4
VAC-VDC
5
VAC-VDC
6
VAC-VDC
7
NC
(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.
Publication 1769-IN053A-EN-P - April 2001
Compact™ Individually Isolated AC/DC Relay Output Module 9
A removable, write-on label is provided with the module. Remove the label from
the door, mark the identification of each terminal with permanent ink, and slide the
label back into the door. Your markings (ID tag) will be visible when the module
door is closed.
SLOT # _____
MODULE TYPE ______
Removing the Finger-Safe Terminal Block
When wiring field devices to the module, it is not necessary to remove the terminal
block. If you remove the terminal block, use the write-on label on the side of the
terminal block to identify the module slot lcation and type.
To remove the terminal block, loosen the upper and lower retaining screws. The
terminal block will back away from the module as you remove the screws. When
replacing the terminal block, torque the retaining screws to 0.46 Nm (4.1 in-lbs).
Wiring the Finger-Safe Terminal Block
upper retaining screw
lower retaining screw
wiring the
finger-safe terminal
block
When wiring the terminal block, keep the finger-safe cover in place.
1. Loosen the terminal screws to be wired.
Publication 1769-IN053A-EN-P - April 2001
10 Compact™ Individually Isolated AC/DC Relay Output Module
2. Route the wire under the terminal pressure plate. You can use the bare wire
or a spade lug. The terminals will accept a 6.35 mm (0.25 in.) spade lug.
TIP
3. Tighten the terminal screw making sure the pressure plate secures the wire.
Recommended torque when tightening terminal screws is 0.68 Nm (6 in-lbs).
TIP
The terminal screws are non-captive. Therefore, it is
possible to use a ring lug [maximum 1/4 inch o.d. with
a 0.139 inch minimum i.d. (M3.5)] with the module.
If you need to remove the finger-safe cover, insert a
screwdriver 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.
Simplified Output Circuit Diagram
+24V
VAC-VDC
OUT
Wi re Size and Terminal Screw Torque
Each terminal accepts up to two wires with the following restrictions:
Wire Type Wire Size Terminal Screw Torque Retaining Screw Torque
Solid Cu-90°C (194°F) #14 to #22 AWG 0.68 Nm (6 in-lbs) 0.46 Nm (4.1 in-lbs)
Stranded Cu-90°C (194°F) #16 to #22 AWG 0.68 Nm (6 in-lbs) 0.46 Nm (4.1 in-lbs)
Publication 1769-IN053A-EN-P - April 2001
Compact™ Individually Isolated AC/DC Relay Output Module 11
I/O Memory Mapping
Output Data File
For each module, slot x, word 0 in the output data file contains the control
program’s directed state of the discrete output points. For the 1769-OW8I, bits 8 to
15 are not used.
Bit Position
1514131211109876543210
Word
0 0 0 0 0 0 0 0wwwwwwww
0
w = write
Output Module’s Input Data File
For each module, slot x, input data file word 0 contains the state of the module’s
output data (output data echo) file word 0. During normal operation, these input
bits represent the logic state that the outputs are directed to by the control program.
They are also dependent upon the:
• Program Mode configuration (if supported by the controller)
• The Fault Mode configuration (if supported by the controller)
For the 1769-OW8I, bits 8 to 15 are not used.
Bit Position
1514131211109876543210
Word
0 0 0 0 0 0 0 0rrrrrrrr
0
r = read
IMPORTANT
The output module’s input data file reflects the output data echo
of the module, not the electrical state of the output terminals. It
does not reflect shorted or open outputs.
It is important to use this input word if the controller adapter
supports the Program Mode or Fault Mode function, and if it is
configured to use them.
Publication 1769-IN053A-EN-P - April 2001
12 Compact™ Individually Isolated AC/DC Relay Output Module
1769-OW8I Configuration File
The read/writable configuration data file allows the setup of the hold last state and
user-defined safe state conditions.
The manipulation of the bits from this file is normally done with programming
software (e.g. RSLogix 500, RSNetworx for DeviceNet, etc.) during initial
configuration of the system. In that case, graphical screens are provided via the
programmer to simplify configuration. However, some systems (e.g. 1769-ADN
DeviceNet Adapter) also allow the bits to be altered as part of the control program
using communication rungs. In that case, it is necessary to understand the bit
arrangment.
Bit Position
1514131211109876543210
Word
0000000000000000PFE
1 Program State for Output Array Word 0
2 Program Value for Output Array Word 0
3 Fault State for Output Array Word 0
4 Fault Value for Output Array Word 0
Program State Word
Condition Bit Setting
Word 1, the program state word, selects the hold
last state or user-defined safe state condition for
each individual output on a system transition
from Run to Program.
User-defined Safe State 0
Hold Last State 1
Program Value Word
The program value word, word 2, is used to
program the user-defined safe state value (0=Off,
1=On). Each output is individually configurable
for on or off.
Fault State Word
Word 3, the fault state word, selects the hold last
state or user-defined safe state condition for each
individual output on a system transition from Run
to Fault.
Publication 1769-IN053A-EN-P - April 2001
Value Bit Setting
Off 0
On 1
Condition Bit Setting
User-defined Safe State 0
Hold Last State 1
Compact™ Individually Isolated AC/DC Relay Output Module 13
Fault Value Word
Value Bit Setting
The fault value word, word 4, is used to program
the fault state value (0=Off, 1=On). Each output
is individually configurable for on or off.
Off 0
On 1
Program to Fault Enable Bit (PFE)
Word 0, bit 0, allows the selection of which data
value, the program or fault value, to apply to the
output if a system in Program mode undergoes a
system fault, resulting a change to Fault mode.
Value Applied Bit Setting
Program 0
Fault 1
Module Default Condition
The modules default condition is all zeros, programming the conditions shown
below.
Word or Bit Affected Condition Applied
Word 0, Bit 0: Program-to-Fault Enable Program Value
Word 1: Program State User-defined Safe State
Word 2: Program Value Off
Word 3: Fault State User-defined Safe State
Word 4: Fault Value Off
Spare/Replacement Module Parts
• Terminal Block: 1769-RTBN18 (1 per kit)
• Door Label: 1769-RL1 (2 per kit)
• Door: 1769-RD (2 per kit)
Publication 1769-IN053A-EN-P - April 2001
14 Compact™ Individually Isolated AC/DC Relay Output Module
Specifications
General Specifications
Specification Value
Dimensions 118 mm (height) x 87 mm (depth) x 35 mm (width)
Approximate Shipping Weight
(with carton)
Storage Temperature -40°C to +85°C (-40°F to +185°F)
Operating Temperature 0°C to +60°C (32°F to +140°F)
Operating Humidity 5% to 95% non-condensing
Operating Altitude
Vibration Operating: 10 to 500 Hz, 5G, 0.030 inches maximum peak-to-peak
Shock Operating: 30G panel mounted (20G DIN rail mounted)
Agency Certification
Hazardous Environment Class Class I, Division 2, Hazardous Location, Groups A, B, C, D (UL 1604,
Radiated and Conducted Emissions EN50081-2 Class A
Electrical /EMC: The module has passed testing at the following levels:
ESD Immunity (IEC61000-4-2) • 4kV contact, 8kV air, 4kV indirect
Radiated Immunity (IEC61000-4-3)
Fast Transient Burst (IEC61000-4-4)
Surge Immunity (IEC61000-4-5)
Conducted Immunity (IEC61000-4-6)
(1) For operation above 2000 meters, consult the factory.
(2) Conducted Immunity frequency range may be 150 kHz to 30 MHz if the Radiated Immunity frequency range is 30 MHz to
1000 MHz.
height including mounting tabs is 138 mm
4.65 in. (height) x 3.43 in (depth) x 1.38 in (width)
height including mounting tabs is 5.43 in.
290g (0.64 lbs.)
2000 meters (6561 feet)
Relay Operation: 2G
Relay Operation: 7.5G panel mounted (5G DIN rail mounted)
Non-Operating: 40G panel mounted (30G DIN rail mounted)
• C-UL certified (under CSA C22.2 No. 142)
• UL 508 listed
• CE and C-Tick compliant for all applicable directives
C-UL under CSA C22.2 No. 213)
• 10 V/m, 80 to 1000 MHz, 80% amplitude modulation, +900
MHz keyed carrier
• 2 kV, 5 kHz
• 2 kV common mode, 1 kV differential mode
• 10V, 0.15 to 80 MHz
(1)
(2)
Publication 1769-IN053A-EN-P - April 2001
Compact™ Individually Isolated AC/DC Relay Output Module 15
Output Specifications
Specification 1769-OW8I
Voltage Category AC/DC normally open relay
Operating Voltage Range 5 to 265V ac
Number of Outputs 8
Isolated Groups 8 individually isolated outputs
Bus Current Draw (max.) 125 mA at 5V dc (0.625W)
Heat Dissipation 2.83 Total Watts
Signal Delay (max.) – resistive load turn-on = 10 ms
Off-State Leakage (max.) 0 mA
On-State Current (min.) 10 mA at 5V dc
Continuous Current per Point (max.) 2.5A (Also see "Relay Contact Ratings" on page 16.)
Continuous Current per Common (max.) 2.5A
Continuous Current per Module (max.) 16A
Power Supply Distance Rating 8 (The module may not be more than 8 modules away from the
Output Point to Bus Isolation Verified by one of the following dielectric tests: 1836V ac for 1
Isolated Groups 8: Each point individually isolated from the other.
Group to Group Isolation Verified by one of the following dielectric tests: 1836V ac for 1
Vendor I.D. Code 1
Product Type Code 7
Product Code 87
5 to 125V dc
100 mA at 24V dc (2.4W)
with all points energized.)
turn-off = 10 ms
power supply.)
sec. or 2596V dc for 1 sec.
265V ac working voltage (IEC Class 2 reinforced insulation)
sec. or 2596V dc for 1 sec.
265V ac working voltage (basic insulation)
150V ac working voltage (IEC Class 2 reinforced insulation)
(The Watts per point, plus the minimum Watts,
Publication 1769-IN053A-EN-P - April 2001
16 Compact™ Individually Isolated AC/DC Relay Output Module
Relay Contact Ratings
Volts (max.) Continuous Amps per
Point (max.)
Amperes
(1)
Voltamperes NEMA
ICS 2-125
Make Break Make Break
240V ac 2.5A 7.5A 0.75A 1800 VA 180 VA C300
120V ac 15A 1.5A
125V dc 1.0A
24V dc 2.0A
(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.
(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 48V, the make/break ratings
for relay contacts cannot exceed 2A.
0.22A
1.2A
(2)
(2)
28 VA R150
28 VA —
Publication 1769-IN053A-EN-P - April 2001
Compact™ Individually Isolated AC/DC Relay Output Module 17
Hazardous Location Considerations
This equipment is suitable for use in Class I, Division 2, Groups A, B, C, D or
non-hazardous locations only. The following WARNING statement applies to use in
hazardous locations.
WARNING
!
EXPLOSION HAZARD
• Substitution of components may impair suitability for Class
I, Division 2.
• Do not replace components or disconnect equipment
unless power has been switched off or the area is known to
be non-hazardous.
• Do not connect or disconnect components unless power
has been switched off or the area is known to be
non-hazardous.
• This product must be installed in an enclosure.
• All wiring must comply with N.E.C. article 501-4(b).
Environnements dangereux
Cet équipement est conçu pour être utilisé dans des environnements de Classe 1,
Division 2, Groupes A, B, C, D ou non dangereux. La mise en garde suivante
s’applique à une utilisation dans des environnements dangereux.
AVERTISSEMENT
!
DANGER D’EXPLOSION
• La substitution de composants peut rendre cet équipement
impropre à une utilisation en environnement de Classe 1,
Division 2.
• Ne pas remplacer de composants ou déconnecter
l'équipement sans s'être assuré que l'alimentation est
coupée et que l'environnement est classé non dangereux.
• Ne pas connecter ou déconnecter des composants sans
s'être assuré que l'alimentation est coupée ou que
l'environnement est classé non dangereux.
• Ce produit doit être installé dans une armoire. .
Publication 1769-IN053A-EN-P - April 2001
18 Compact™ Individually Isolated AC/DC Relay Output Module
For More Information
For Refer to this Document Pub. No.
A more detailed description of how to install
and use your Compact™ I/O with MicroLogix™
1200 & 1500 programmable controller.
A more detailed description of how to install
and use your Compact I/O with the 1769-ADN
DeviceNet Adapter.
A more detailed description of how to install
and use your Compact I/O with the
CompactLogix™ System.
More information on proper wiring and
grounding techniques.
If you would like a manual, you can:
• download a free electronic version from the internet:
www.ab.com/micrologix or www.theautomationbookstore.com
• purchase a printed manual by:
– contacting your local distributor or Rockwell Automation representative
– visiting www.theautomationbookstore.com and placing your order
– calling 1.800.963.9548 (USA/Canada)
or 001.330.725.1574 (Outside USA/Canada)
MicroLogix 1200 & 1500
Programmable Controllers User
Manual
1769-ADN DeviceNet Adapter User
Manual
CompactLogix System User Manual 1769-UM007C-EN-P
Industrial Automation Wiring and
Grounding Guidelines
1764-UM001B-US-P
1769-UM001A-US-P
1770-4.1
Publication 1769-IN053A-EN-P - April 2001
Compact™ Individually Isolated AC/DC Relay Output Module 19
Publication 1769-IN053A-EN-P - April 2001
Compact, MicroLogix, CompactLogix, RSLogix and RSNetworx are trademarks of Rockwell Automation.
DeviceNet is a trademark of Open DeviceNet Vendor Association (ODVA).
Publication 1769-IN053A-EN-P - April 2001 PN 40072-116-01 (A)
Supersedes Publication 1769-IN005C-E N-P - June 2000 © 2001 Rockwell International Corporation. Printed in the U.S.A.
´H'50!¶A|¨
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