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Installation Instructions
Original Instructions
FLEX I/O Digital DC Output Modules
Catalog Numbers 1794-OB8, 1794-OB8EP, 1794-OB16, 1794-OB16P, 1794-OB32P
Topic
Summary of Changes
Overview
Install Your Module
Configure Your 1794-OB8EP Output Module
Configure Your 1794-OB8, 1794-OB16, 1794-OB16P, and 1794-OB32P Output Modules
Specifications
Summary of Changes
This publication contains the following new or updated information. This list includes substantive updates only and is not intended to reflect all changes.
Topic
Updated template
Updated UK and European Hazardous Location Approval
Updated IEC Hazardous Location Approval
Updated General Specifications
Updated Certifications
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Related Manuals for Rockwell Automation Allen-Bradley 1794-OB8
Summary of Contents for Rockwell Automation Allen-Bradley 1794-OB8
- Page 1 Installation Instructions Original Instructions FLEX I/O Digital DC Output Modules Catalog Numbers 1794-OB8, 1794-OB8EP, 1794-OB16, 1794-OB16P, 1794-OB32P Topic Page Summary of Changes Overview Install Your Module Configure Your 1794-OB8EP Output Module Configure Your 1794-OB8, 1794-OB16, 1794-OB16P, and 1794-OB32P Output Modules Specifications Summary of Changes This publication contains the following new or updated information.
- Page 2 Indien de apparatuur wordt gebruikt op een wijze die niet is gespecificeerd door de fabrikant, dan bestaat het gevaar dat de beveiliging van de apparatuur niet goed werkt. Rockwell Automation Publication 1794-IN094F-EN-P - July 2023...
- Page 3 The enclosure must be accessible only by the use of a tool. • This equipment shall be used within its specified ratings defined by Rockwell Automation. • Transient protection shall be provided that is set at a level not exceeding 140% of the peak rated voltage value at the supply terminals to the equipment.
- Page 4 Secure DIN rail to mounting surface approximately every 200 mm (7.8 in.) and use end-anchors appropriately. Be sure to ground the DIN rail properly. See the Industrial Automation Wiring and Grounding Guidelines, Rockwell Automation publication 1770-4.1, for more information.
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Page 5: Install Your Module
Total current draw through the terminal base is limited to 10 A. Terminals 35...50 not available on 1794-TB2 Out +V In +V Separate power connections to each terminal base may be necessary. Voltage (1794-TB3 shown) Rockwell Automation Publication 1794-IN094F-EN-P - July 2023... - Page 6 1794-TB2, 1794-TB3, and 1794 -TB3S – A-1, A-3, A-5, A-7, A-9, A-11, A-13, and A-15 are connected together inside the module to 24V DC common. 1794-TBN – C-1, C-3, C-5, C-7, C-9, C-11, C-13, and C-15 are connected together inside the module to 24V DC common. Rockwell Automation Publication 1794-IN094F-EN-P - July 2023...
- Page 7 Connect power to terminals 43, 45, 47, and 49 Output 24 B-25 Output 25 B-26 Output 26 B-27 Output 27 B-28 Output 28 B-29 Output 29 B-30 Output 30 B-31 Output 31 B-32 Rockwell Automation Publication 1794-IN094F-EN-P - July 2023...
- Page 8 1794-OB32P only O = Output – O0 corresponds to output 0, 01 corresponds to output 1, and so on. Where: 1794-OB8 uses outputs 0…7; 1794-OB16 and 1794-OB16P use outputs 0…15; 1794-OB32P uses outputs 0…31. Rockwell Automation Publication 1794-IN094F-EN-P - July 2023...
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Page 9: Specifications
On to Off 0.1 ms Flexbus current 73 mA @ 5V DC Power dissipation, max 5.5 W @ 31.2V DC Thermal dissipation, max 18.8 BTU/hr @ 31.2V DC Fusing Outputs are electronically fused Rockwell Automation Publication 1794-IN094F-EN-P - July 2023... - Page 10 On to Off 1.0 ms Flexbus current 80 mA @ 5V DC Power dissipation, max 5.3 W @ 32.1V DC Thermal dissipation, max 18.1 BTU/hr @ 31.2V DC Fusing Outputs are electronically protected. Rockwell Automation Publication 1794-IN094F-EN-P - July 2023...
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Page 11: General Specifications
Group 1, Class A (with appropriate enclosure) IEC 61000-4-2: ESD immunity 6 kV contact discharges 8 kV air discharges IEC 61000-4-3: Radiated RF immunity 10V/m with 1 kHz sine-wave 80% AM from 80…6000 MHz Rockwell Automation Publication 1794-IN094F-EN-P - July 2023... - Page 12 Arrêté ministériel n° 6404-15 du 29 ramadan 1436 For 1794-OB8, 1794-OB8EP, 1794-OB16, 1794-OB16P CNCA-C23-01 CNCA-C23-01 CCC Implementation Rule Explosion-Proof Electrical Products 2020122309111829 See the Product Certification link at rok.auto/certifications for Declarations of Conformity, Certificates, and other certification details. Rockwell Automation Publication 1794-IN094F-EN-P - July 2023...
- Page 13 Other Mounting - (including Vertical and Inverted Horizontal Mounting) Vertical mounting Inverted horizontal mounting Temperature, max Temperature, max Voltage, max Voltage, max Normal Other Normal Other 31.2 29.0 30.5 28.5 30.0 28.0 29.5 27.5 Rockwell Automation Publication 1794-IN094F-EN-P - July 2023...
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Page 14: Rockwell Automation Support
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