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POINT I/O Output Module
(Cat. No. 1734-OB2, -OB4 and -OB8 Series C)
4
3
Description
1
Mounting Base
2
Mechanical Keying (orange)
3
Module Wiring Diagram
4
Module Locking Mechanism
5
Insertable I/O Module
1
Wiring Base Assembly consists of item 1) mounting base, 1734-MB and item 7) removable
terminal block, 1734-RTB or -RTBS.
POINT I/O is a trademark of Rockwell Automation
DeviceNet is a trademark of ODVA, Inc.
9
2
8
10
1
1
Installation Instructions
5
6
7
Description
6
RTB Removal Handle
7
Removable Terminal Block (RTB)
8
DIN Rail Locking Screw (orange)
9
Slide-in Writable Label
10
Interlocking Side Pieces
Publication 1734-IN018A-EN-P - November 2004
1
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Related Manuals for Allen-Bradley 1734-OB2
Summary of Contents for Allen-Bradley 1734-OB2
- Page 1 Installation Instructions POINT I/O Output Module (Cat. No. 1734-OB2, -OB4 and -OB8 Series C) Description Description RTB Removal Handle Mounting Base Mechanical Keying (orange) Removable Terminal Block (RTB) Module Wiring Diagram DIN Rail Locking Screw (orange) Module Locking Mechanism Slide-in Writable Label...
- Page 2 POINT I/O Output Module This Series C product can be used with DeviceNet and PROFIBUS adapters. It can be used with ControlNet and Ethernet adapters using RSLogix 5000, version 11 (or higher) software. Important User Information Solid state equipment has operational characteristics differing from those of electromechanical equipment.
- Page 3 POINT I/O Output Module Important User Information Identifies information about practices or circumstances that WARNING can cause an explosion in a hazardous environment, which may lead to personal injury or death, property damage, or economic loss. Identifies information about practices or circumstances that ATTENTION can lead to personal injury or death, property damage, or economic loss.
- Page 4 60529, as applicable, for explanations of the degrees of protection provided by different types of enclosure. Also, see the appropriate sections in this publication, as well as the Allen-Bradley publication 1770-4.1 ("Industrial Automation Wiring and Grounding Guidelines"), for additional installation requirements pertaining to this equipment.
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Page 5: Explosion Hazard
POINT I/O Output Module EXPLOSION HAZARD WARNING • 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. -
Page 6: Installing The Mounting Base
POINT I/O Output Module Installing 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. -
Page 7: Installing The Removable Terminal Block (Rtb)
POINT I/O Output Module Installing the Removable Terminal Block (RTB) A removable terminal block 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. -
Page 8: Removing A Mounting Base
POINT I/O Output Module Removing 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. -
Page 9: Communicating With Your Module
I/O messages are sent to (consumed) and received from (produced) the POINT I/O modules. These messages are mapped into the processor’s memory. This POINT I/O output module consumes 1 byte of I/O data (scanner Tx). Default Data Map for the 1734-OB2 Output Module Message size: 1 Byte Consumes Not used... -
Page 10: Wiring The Protected Output Modules
POINT I/O Output Module Wiring the Protected Output Modules 1734-OB2 1734-OB8 1734-OB4 Module Status Module Module Module Status Status Status Network Status Network Network Network Status Status Status NODE: NODE: NODE: 24VDC 24VDC 24VDC Source Source Source Output Output Output Status of Output 0 &... -
Page 11: Output Terminal
POINT I/O Output Module dc Output Module Cat. No. 1734-OB2 1734-OB2 Out 1 Out 0 Out 1 Out 0 Load Load 42014 V = 12/24V dc, C = Common Field power is supplied from internal power bus Output Terminal Common Terminal... -
Page 12: Common Terminal
POINT I/O Output Module dc Output Module Cat. No. 1734-OB8 1734-OB8 Load Load Out 0 Out 1 Load Load Out 3 Out 2 Load Load Out 4 Out 5 42015 Out 7 Load Out 6 Load Common must be daisychained from a 1734 adapter, 1734-FPD, 1734-EP24DC, or from a user-supplied auxiliary terminal block. - Page 13 POINT I/O Output Module Example of Wiring for the 1734-OB8 Output Module Module Module Status Status Network Network Status Status DeviceNet System Power DeviceNet Power 1734 1734 Load Load Load Load Load Load Load Load 24V dc Return 24V dc Notes: The 1734-OB8E maximum load is 1A maximum per channel, and 3A...
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Page 14: Troubleshooting With The Indicators
POINT I/O Output Module Troubleshooting with the Indicators 1734-OB2 1734-OB4 1734-OB8 Module Status Module Status Module Module Module Status Status Status Network Network Status Network Status Network Network Status Status Status NODE: NODE: NODE: 24VDC 24VDC 24VDC Source Source Source... -
Page 15: Safety Approvals
One or more output is active and under control Safety Approvals North American Hazardous Location Approval The following modules are North American Hazardous Location approved: 1734-OB2, 1734-OB4 and 1734-OB8. The following information applies when Informations sur l’utilisation de cet équipement operating this equipment in hazardous... -
Page 16: European Hazardous Location Approval
POINT I/O Output Module European Hazardous Location Approval The following modules are European Zone 2 approved: 1734-OB2, 1734-OB4 and 1734-OB8. European Zone 2 Certification (The following applies when the product bears the EEx Marking) This equipment is intended for use in potentially explosive atmospheres as defined by European Union Directive 94/9/EC. -
Page 17: General Specifications
OFF to ON 0.1 ms maximum ON to OFF Output Current Rating 1734-OB2 - 1.0 A per output, 2.0 A maximum per module 1734-OB4 and 1734-OB8 - 1.0 A per output, not to exceed 3.0 A maximum per module Surge Current... - Page 18 External dc Power Supply Voltage 24V dc nominal Voltage Range 10 to 28.8V dc Supply Current 1734-OB2 - 8 mA 1734-OB4 - 16 mA 1734-OB8 - 32 mA Dimensions Imperial 2.21 H x 0.47 W x 2.97 L in. (Metric 56.0 H x 12.0 W x 75.5 L mm...
- Page 19 4 - Output 4 5 - Output 5 6 - Output 6 7 - Output 7 Weight - Inperial 1734-OB2 - 1.15 oz 1734-OB4 - 1.17 oz 1734-OB8 - 1.25 oz Metric 1734-OB2 - 32.60 grams 1734-OB4 - 33.17 grams 1734-OB8 - 35.4 grams...
- Page 20 Certifications (when C-UL-US - UL Listed Industrial Control Equipment, product is marked) certified for US and Canada C-UL-US - UL Listed for Class I, Division 2, Groups A, B, C and D Hazardous locations, certified for US and Canada European Union 94/9/EEC ATEX Directive, compliant with: EN 50021;...
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