Allen-Bradley POINT I/O 1734-OB2 User manual

Installation Instructions
POINT I/O Output Module
Catalog numbers 1734-OB2, 1734-OB4, 1734-OB8, Series C
Table of Contents
Topic Page
Important User Information 2
Environment and Enclosure 3
Preventing Electrostatic Discharge 3
North American Hazardous Location Approval 5
European Hazardous Location Approval 6
About the Module 7
Install the Mounting Base 8
Install the Module 8
Install the Removable Terminal Block 9
Remove a Mounting Base 9
Communicate with the Module 10
Wire the Modules 11
Interpret Status Indicators 16
Specifications 18
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2POINT I/O Output Module
Publication 1734-IN018B-EN-P - June 2012
Important User Information
Solid-state equipment has operational characteristics differing from those of electromechanical
equipment. Safety Guidelines for the Application, Installation and Maintenance ofSolid State Controls
(Publication SGI-1.1availablefrom your local Rockwell Automation sales office or online at
http://www.rockwellautomation.com/literature/) describes some important differences between
solid-state equipment and hard-wired electromechanical devices. Because of this difference, and also
becauseof the wide variety ofuses forsolid-state equipment, all persons responsible for applying this
equipment must satisfy themselves that each intended applicationof this equipment is acceptable.
In no event will RockwellAutomation, 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, orsoftwaredescribed in this manual.
Reproductionof the contents of thismanual, 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: Identifiesinformation about practices or circumstances that can lead to
personal injury or death, property damage, or economic loss. Attentions help you
identify ahazard, avoid a hazard and recognizethe 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) toalert people that surfaces may reach dangerous temperatures.
IMPORTANT Identifies information thatis critical for successful applicationand understanding of
the product.

POINT I/O Output Module 3
Publication 1734-IN018B-EN-P - June 2012
Environment and Enclosure
Preventing Electrostatic Discharge
This equipment is intended for use in a Pollution Degree 2 industrial
environment,inovervoltageCategoryII applications(asdefinedin IEC60664-1),
at altitudes up to 2000 m (6562 ft) without derating.
This equipment is considered Group 1, Class A industrial equipment according
toIEC/CISPR11.Withoutappropriateprecautions,theremaybedifficultieswith
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
injuryresultingfromaccessibilitytoliveparts.Theenclosuremusthavesuitable
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
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, for additional installation requirements.
• NEMA Standard 250 and IEC 60529, as applicable, for explanations of the
degrees of protection provided by enclosures.
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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4POINT I/O Output Module
Publication 1734-IN018B-EN-P - June 2012
WARNING:
• Donotdisconnectequipmentunlesspowerhasbeenremovedortheareais
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.
• WhenusedinaClass I, Division2,hazardouslocation,thisequipmentmust
be mounted in a suitable enclosure with proper wiring method that
complies with the governing electrical codes.
• If this product contains batteries, they mustonly be changed in an area
known to be nonhazardous.
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.
ATTENTION:
• Do not remove or replace an Adapter Module while power is applied.
Interruption of the backplane can result in unintentional operation or
machine motion.
• Do not wire more than 2 conductors on any single terminal.

POINT I/O Output Module 5
Publication 1734-IN018B-EN-P - June 2012
North American Hazardous Location Approval
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 withinasystem,themostadversetemperaturecode
(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
detempératureleplusdéfavorable (codedetempérature 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.
EXPLOSION HAZARD
• Do not disconnect equipment unless power
hasbeenremovedortheareaisknowntobe
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.
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
avantdedébrancherlesconnecteurs.Fixer
tous les connecteurs externes reliés à cet
équipement à l'aide de vis, loquets
coulissants, connecteurs filetés ou autres
moyens fournis avec ceproduit.
• Lasubstitutionde composantspeut 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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6POINT I/O Output Module
Publication 1734-IN018B-EN-P - June 2012
European Hazardous Location Approval
European Zone 2 Certification. The following applies when the product bears the
Ex Marking.
ATTENTION: This equipment is intended for use in potentially explosive
atmospheres as defined by European Union Directive 94/9/EC and has been
found to comply with the Essential Health and Safety Requirements relating to
thedesign and constructionof Category3 equipment intended foruse inZone 2
potentially explosive atmospheres, given in Annex II to this Directive.
Compliance with the Essential Health and Safety Requirements has been
assured by compliance with EN 60079-15 and EN 60079-0.
WARNING: Observethe followingadditionalZone 2certificationrequirements:
• This equipment is not resistant to sunlight or other sources of UV radiation.
• This equipment must be installed in an enclosure providing at least IP54
protection when applied in Zone 2 environments.
• This equipment shall be used within its specified ratings defined by
Rockwell Automation.
• Provision shall be made to prevent the rated voltage from being exceeded
by transient disturbances of more than 40% when applied in Zone 2
environments.
• Secure any external connections that mate to this equipment by using
screws, sliding latches, threaded connectors, orother means provided with
this product.
• This equipment must be used only with ATEX certified Rockwell
Automation backplanes.
• Donotdisconnectequipmentunlesspowerhasbeenremovedortheareais
known to be nonhazardous.

POINT I/O Output Module 7
Publication 1734-IN018B-EN-P - June 2012
About the Module
You can use these Series C POINT I/O ™ output modules with DeviceNet and
PROFIBUS adapters. If you are using RSLogix 5000 software, version 11 or higher, you
can also use the Series C modules with ControlNet and Ethernet adapters.
Use this diagram to identify the external features of the module. The 1734-VHSC5
module is shown here.
POINT I/O Output Module
Description Description
1 Modulelocking mechanism 6 Mountingbase
2 Slide-in writable label 7 Interlocking side pieces
3 Insertable I/O module 8 Mechanical keying (orange
24VDC
Source
Output
Module
Status
Network
Status
1734
OB4E
NODE:
0
1
2
3
1
10
9
8
7
2
4
5
6
3
The wiring base assembly consists of a
mounting base, 1734-MB, and removable
terminal block, 1734-RTB or 1734-RTBS. 44330
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8POINT I/O Output Module
Publication 1734-IN018B-EN-P - June 2012
Install the Mounting Base
To install the mounting base on the DIN rail, proceed as follows:
1. Position the mounting base vertically above the installed units (adapter, power
supply or existing module).
2. Slide the mounting base down allowing the interlocking side pieces to engage the
adjacent module or adapter.
3. Press firmly to seat the mounting base on the DIN rail. The mounting base snaps
into place.
4. To remove the mounting base from the DIN rail, remove the module and use a
small bladed screwdriver to rotate the base locking screw to a vertical position.
This releases the locking mechanism. Then lift straight up to remove.
Install the Module
The module can be installed before or after base installation. Make sure that the mounting
base is correctly keyed before installing the module into the mounting base. In addition,
make sure the mounting base locking screw is positioned horizontal referenced to the base.
1. Using a bladed screwdriver, rotate the keyswitch on the mounting base clockwise
until the number required for the type of module being installed aligns with the
notch in the base.
Description Description
4 Removableterminalblock (RTB) handle 9 DIN rail locking screw (orange)
5 Removable terminal block 10 Module wiring diagram
WARNING: When 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 or the area is nonhazardous before proceeding.
Repeated electrical arcing causes excessive wear to contacts on both the
module and its mating connector. Worn contacts may create electrical
resistance that can affect module operation.

POINT I/O Output Module 9
Publication 1734-IN018B-EN-P - June 2012
2. Make certain the DIN rail locking screw is in the horizontal position. You cannot
insert the module if the locking mechanism is unlocked.
3. Insert the module straight down into the mounting base.
4. Press to secure. The module locks into place.
Install the Removable Terminal Block
A removable terminal block (RTB) is supplied with your wiring base assembly. To remove,
pull up on the RTB handle. This allows the mounting base to be removed and replaced as
necessary without removing any of the wiring. To reinsert the removable terminal block,
proceed as follows:
1. Insert the end opposite the handle into the base unit. This end has a curved
section that engages with the wiring base.
2. Rotate the terminal block into the wiring base until it locks itself in place.
3. If an I/O module is installed, snap the RTB handle into place on the module.
Remove a Mounting Base
To remove a mounting base, you must remove any installed module and the module
installed in the base to the right. Remove the removable terminal block, if wired.
1. Unlatch the RTB handle on the I/O module.
2. Pull on the RTB handle to remove the removable terminal block.
3. Press on the module lock on the top of the module.
4. Pull on the I/O module to remove from the base.
5. Repeat steps 1, 2, 3 and 4 for the module to the right.
6. Use a small bladed screwdriver to rotate the orange base locking screw to a vertical
position. This releases the locking mechanism.
WARNING: When you connect or disconnect the Removable Terminal Block
(RTB)withfieldsidepowerapplied,an electricalarc 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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10 POINT I/O Output Module
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7. Lift straight up to remove.
Communicate with the Module
I/O messages are sent to (consumed) and received from (produced) the POINT I/O
modules. These messages are mapped onto the processor memory. This POINT I/O
output module consumes 1 byte of I/O data (scanner Tx).
Default Data Map for 1734-OB2
Message size: 1 Byte
76543210
Consumes (scanner Tx) Not used Ch1 Ch0 Channel state
Where: 0 = Off, 1 = On
Default Data Map for 1734-OB4
Message size: 1 Byte
76543210
Consumes(scannerTx) Not used Ch3 Ch2 Ch1 Ch0 Channelstate
Where: 0 = Off, 1 = On
Default Data Map for 1734-OB8
Message size: 1 Byte
76543210
Consumes(scanner Tx) Ch7 Ch6 Ch5 Ch4 Ch3 Ch2 Ch1 Ch0 Channelstate
Where: 0 = Off, 1 = On

POINT I/O Output Module 11
Publication 1734-IN018B-EN-P - June 2012
Wire the Modules
To wire the modules, refer to the diagrams and tables.
POINT I/O Output Modules
Module status
C = Common
V = Supply
1734-OB8
1734-OB2 1734-OB4
44321 44325
Output 2
Output 0
Output 4 Output 5
Output 6 Output 7
Output 1
Output 3
24VDC
Source
Output
Module
Status
Network
Status
1734
OB8
0
1
2
3
NODE:
4
5
6
7
24VDC
Source
Output
Module
Status
Network
Status
1734
OB4
0
1
2
3
NODE:
V
C
C
CC
24VDC
Source
Output
Module
Status
Network
Status
1734
OB2
0
1
NODE:
Status of Output 1
Network status
Status of Output 1
Status of Output 2
Status of Output 3 Status of
Outputs 3 & 7
Status of
Outputs 2 & 6
Status of
Outputs 1 & 5
Status of
Outputs 0 & 4
Output 0
Output 0 Output 1
Output 1
C
C
V
Output 3
Output 2
Output 1
Output 0
44326
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12 POINT I/O Output Module
Publication 1734-IN018B-EN-P - June 2012
Output Module 1734-OB2
Output Module 1734-OB2
Channel Number Output Terminal Common Terminal Power
Channel 0 0, 2 4 6
Channel 1 1, 3 5 7
Module power is supplied by the internal power bus.
Out 1
Out0
Load
1
0Out 1
Out0 1
0
Out 1
Out 0 3
2
C
C5
4
V
V7
6
Load
V = 12/24V DC,
C = Common,
Field power is supplied by the
internal power bus

POINT I/O Output Module 13
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Output Module 1734-OB4
Output Module 1734-OB4
Channel Number Output Terminal Common Terminal Power
Channel 0 0 6 The 24V DC power for
the module is supplied
by the internal
power bus.
Channel 1 1 7
Channel 2 2 4
Channel 3 3 5
Module power is supplied by the internal power bus.
Out 1
Out 0 1
0Out 1
Out 0 1
0
Out 3
Out2 3
2
C
C5
4
C
C7
6
LoadLoad
V = 12/24V DC,
C = Common,
Fieldpowerissuppliedbythe
internal power bus Load
Load
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14 POINT I/O Output Module
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Output Module 1734-OB8
Output Module 1734-OB8
Channel
Number Output Terminal Common Terminal Power
Channel 0 0 Common is daisychained
from either a1734 adapter,
1734-FPD, 1734-EP24DC or
fromauser-suppliedexternal
terminal block.
The 24V DC power for the
module is supplied by the
internal power bus and
originatesfrom thesame
adapter, 1734-FPD or
1734-EP24DC as common.
Channel 1 1
Channel 2 2
Channel 3 3
Channel 4 4
Channel 5 5
Channel 6 6
Channel 7 7
Module power is supplied by the internal power bus.
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.
Out 1
Out 0 Load
1
0Out 1
Out 0 1
0
Out3
Out 2 3
2
Out 5Out 4 5
4
Out 7Out 6 7
6
Load
Load
Load
Load
Load
Load
Load
CC

POINT I/O Output Module 15
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Wiring Example for 1734-OB8
System
Power
DeviceNet
Power
Network
Status
Module
Status
1734
IB8
3
2
0
1
7
6
4
5
Network
Status
Module
Status
1734
OB8
3
2
0
1
7
6
4
5
Load
Load
Load
Load
Load
Load
Load
Load
DeviceNet
24V DC return
24V DC
Terminal block with
bus connector strip
Note:The 1734-OB8E maximum
load is 1 A per channel, and 3 A
total per module.
46010
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16 POINT I/O Output Module
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Interpret Status Indicators
Refer to the following diagram and table for information on how to interpret the
status indicators.
POINT I/O Output Modules
24VDC
Source
Output
Module
Status
Network
Status
1734
OB2
0
1
NODE:
24VDC
Source
Output
Module
Status
Network
Status
1734
OB4
0
1
2
3
NODE:
24VDC
Source
Output
Module
Status
Network
Status
1734
OB8
0
1
2
3
NODE:
4
5
6
7
Module status
Network status
Status of Output 0
Status of Output 1
Status of Output 2
Status of Output 3
Status of
Outputs 1 & 5
Status of
Outputs 2 & 6
Status of
Outputs 3 & 7
Status of
Outputs 0 & 4
1734-OB2 1734-OB4 1734-OB8
44321 44325 44326

POINT I/O Output Module 17
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Indicator Status for Modules
Status Description
Module status Off No power applied to device.
Green Device operating normally.
Flashing green Device needs commissioning due to missing, incomplete, or
incorrect configuration.
Flashing red Recoverable fault.
Red Unrecoverable fault – may require device replacement.
Flashing red/green Device is in self-test mode.
Network status Off Device is not online:
- Device has not completed dup_MAC-id test.
- Devicenot powered – check module status indicator.
Flashing green Device is online but has no connections in the established state.
Green Device is online and has connections in the established state.
Flashing red One or more I/O connections are in timed-out state.
Red Criticallinkfailure–failedcommunicationdevice.Devicedetected
error that prevents it from communicating on the network.
Flashingred/green Communication faulted device –the device has detected a
networkaccesserrorandisincommunicationfaultedstate.Device
has received and accepted an Identity Communication Faulted
Request– long protocol message.
I/O status Off All outputs inactive.
Yellow One or more outputs is active and under control.
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18 POINT I/O Output Module
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Specifications
Output Specifications
Attribute Value
Number of outputs 1734-OB2 – 2 (1 group of 2) non-isolated, sourcing
1734-OB4 – 4 (1 group of 4) non-isolated, sourcing
1734-OB8 – 8 (1 group of 8) non-isolated, sourcing
ON-state voltage range, min 10V DC
ON-state voltage range, nom 24V DC
ON-state voltage range, max 28.8V DC
ON-state voltage drop, max 0.2V DC
ON-state current, min per channel 1.0 mA
OFF-state voltage, max 28.8V DC
OFF-state leakage, max 0.5 mA
Output signal delay, max(1)
OFF to ON
ON to OFF
(1) Off–on delay is time from a valid output “On” signal to output energization. On–off delay is time from a valid output
“off” signal to output de-energization.
0.1 ms
0.1 ms
Output current rating 1734-OB2 – 1.0 Aper output,2.0 A max per module
1734-OB4, 1734-OB8 – 1.0 A per output, not to exceed 3.0 A max
per module
Surge current 2 A for 10 ms, repeatable every3 s
Field wiring terminations 1734-OB2
0 – Output 0
1 – Output 1
2 – Output 0
3 – Output 1
4 – Common
5 – Common
6 – Supply
7 – Supply
1734-OB4
0 – Output 0
1 – Output 1
2 – Output 2
3 – Output 3
4 – Common
5 – Common
6 – Common
7 – Common
1734-OB8
0 – Output0
1 – Output1
2 – Output2
3 – Output3
4 – Output4
5 – Output5
6 – Output6
7 – Output7

POINT I/O Output Module 19
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General Specifications
Attribute Value
Terminal base screw torque 0.8 Nm (7 lb-in.)
Indicators 1734-OB2
2 yellow – output status
2 green/red – module/network status
1734-OB4
4 yellow – output status
2 green/red – module/network status
1734-OB8
8 yellow – output status
2 green/red – module/network status
Module location 1734-TB or 1734-TBS wiring base assembly
POINTBus current, max @5V DC 75 mA
Power dissipation, max @ 28.8V DC 1734-OB2 – 0.8 W
1734-OB4 – 1.2 W
1734-OB8 – 2.0 W
Thermal dissipation, max @ 28.8V DC 1734-OB2 – 2.7 BTU/hr
1734-OB4 – 4.1 BTU/hr
1734-OB8 – 6.8 BTU/hr
Isolation voltage 50V (continuous), Reinforced Insulation Type
Type tested at 2500V DC for60 s, field-side to system
External DC power supply voltage,nom 24V DC
External DC power voltage range 10…28.8V DC
External DC power supply current 1734-OB2 – 8 mA
1734-OB4 – 16 mA
1734-OB8 – 32 mA
Dimensions, HxWxD
approx. 56.0 x 12.0 x 75.5 mm (2.21 x 0.47 x 2.97 in.)
Weight
approx. 1734-OB2 – 32.60 g (1.15 oz) 1734-OB4 – 33.17 g(1.17 oz)
1734-OB8 – 35.4 g (1.25 oz)
Conductor category(1) 2 – on signal ports
Wire size Determined byinstalled terminal block
Enclosure type rating None (open-style)
North American Temp Code 1734-OB2, 1734-OB4 – T4A
1734-OB8 – T4
IEC Temp Code T4
(1) Use this conductor category informationfor planning conductor routing as described in Industrial Automation Wiring
and Grounding Guidelines, publication 1770-4.1.
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20 POINT I/O Output Module
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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…55 °C (-4…131 °F)
Temperature,non-operating IEC 60068-2-1 (Test Ab, Unpackaged Non-operating Cold),
IEC 60068-2-2 (Test Bb, Unpackaged Non-operatingDry 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
Shock, operating IEC 60068-2-27(Test Ea, Unpackaged Shock):
30 g
Shock, non-operating IEC 60068-2-27 (Test Ea, Unpackaged Shock):
50 g
Emissions CISPR 11:
Group 1, Class A
ESD immunity IEC 61000-4-2:
6 kV contact discharges
8 kV air discharges
Radiated RF immunity IEC 61000-4-3:
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
3V/m with 1 kHzsine-wave 80%AM from 2000…2700 MHz
EFT/B immunity IEC 61000-4-4:
±4 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 signalports
ConductedRF immunity IEC 61000-4-6:
10V rms with1 kHz sine-wave 80%AMfrom 150kHz…80MHz