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Summary of Contents for Allen-Bradley 1794-IG16
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Page 1: Table Of Contents
Installation Instructions FLEX I/O 5V DC TTL Digital Input and Output Modules Catalog numbers 1794-IG16, 1794-OG16 Table of Contents Topic Page Important User Information Environment and Enclosure Prevent Electrostatic Discharge North American Hazardous Location Approval Install Your Digital Module Configure Your Input Module... -
Page 2: Important User Information
2 FLEX I/O 5V DC TTL Digital Input and 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 available from 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. -
Page 3: Environment And Enclosure
FLEX I/O 5V DC TTL Digital Input and Output Modules 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 EN/IEC 60664-1), at altitudes up to 2000 m (6562 ft) without derating. This equipment is not intended for use in residential environments and may not provide adequate protection to radio communication services in such environments. -
Page 4: North American Hazardous Location Approval
4 FLEX I/O 5V DC TTL Digital Input and Output Modules North American Hazardous Location Approval The following modules are North American Hazardous Location approved: 1794-IG16, 1794-OG16. The following information applies when Informations sur l’utilisation de cet équipement operating this equipment in hazardous... - Page 5 FLEX I/O 5V DC TTL Digital Input and Output Modules ATTENTION: If this equipment is used in a manner not specified by the manufacturer, the protection provided by the equipment may be impaired. ATTENTION: Read this document and the documents listed in the Additional Resources section about installation, configuration, and operation of this equipment before you install, configure, operate, or maintain this product.
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Page 6: Install Your Digital Module
6 FLEX I/O 5V DC TTL Digital Input and Output Modules WARNING: Do not connect control circuit directly to line voltage. Line voltage must be supplied by a suitable, approved isolating transformer or power supply having short circuit capacity not exceeding 100 VA maximum or equivalent. WARNING: If you connect or disconnect wiring while the field-side power is on, an electrical arc can occur. - Page 7 1. Connect individual input or output wiring to numbered terminals on the 0-15 row (A) as indicated in the Wiring Connections for 1794-IG16 and 1794-OG16 table. 2. Connect the associated input and output devices as indicated in the wiring diagrams.
- Page 8 51 (+V DC) on this base unit to terminal 34 on the next base unit. 6. If continuing DC common to the next base unit, connect a jumper from terminal 33 (common) on this base unit to terminal 16 on the next base unit. Wiring Connections for 1794-IG16 and 1794-OG16 Channel Signal...
- Page 9 FLEX I/O 5V DC TTL Digital Input and Output Modules 1794-TB3 and 1794-TB3S Wiring for 1794-IG16 I/O wire TTL input device I/O wire Capacitor µ 0.01 F typical Inputs Commons DC power Common Common wire Voltage Voltage Voltage In +V...
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Page 10: Configure Your Input Module
Do not ground the drain wire and foil shield at both ends of the cable. Configure Your Input Module You configure your input module by setting bits in the configuration word (word 3). Image Table Memory Map for the 1794-IG16 Module Read Write... -
Page 11: Configure Your Output Module
FLEX I/O 5V DC TTL Digital Input and Output Modules Set the Input Filter Time To set the input filter time, set the associated bits in the output image (complementary word) for the module. 09 08 07 06 05 04 03 02 01 00 15 14 13 12 11 10 Dec. -
Page 12: Specifications
12 FLEX I/O 5V DC TTL Digital Input and Output Modules Specifications Specifications – FLEX I/O 5V DC TTL Input Module 1794-IG16 Attribute Value Number of inputs 16, TTL Recommended terminal base unit 1794-TB3, 1794-TB3S, 1794-TB3K, 1794-TB3SK, 1794-TBKD On-state voltage, min 0.2V DC... - Page 13 FLEX I/O 5V DC TTL Digital Input and Output Modules Specifications – FLEX I/O 5V DC TTL Output Module 1794-OG16 Attribute Value Number of outputs 16, TTL Recommended terminal base unit 1794-TB3, 1794-TB3S, 1794-TB3K, 1794-TB3SK Output voltage, min 0V DC Output voltage, nom 0V DC Output voltage, max...
- Page 14 External DC power supply voltage, nom 5V DC External DC power voltage range 4.5...5.5V DC (includes 5% AC ripple) External DC supply current range 210 mA @ 5V DC – 1794-IG16 100 mA @ 5V DC – 1794-OG16 North American temp code Keyswitch position...
- Page 15 FLEX I/O 5V DC TTL Digital Input and Output Modules 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): 0…55 °C (32…131 °F) Temperature, surrounding air, 55 °C (131 °F) max.
- Page 16 16 FLEX I/O 5V DC TTL Digital Input and Output Modules Certifications Certifications (when Value product is marked) c-UL-us UL Listed Industrial Control Equipment, certified for US and Canada. See UL File E322657. UL Listed for Class I, Division 2, Group A, B, C, D Hazardous Locations, certified for US and Canada.
- Page 17 FLEX I/O 5V DC TTL Digital Input and Output Modules Notes: Publication 1794-IN119C-EN-P - August 2018...
- Page 18 Rockwell Automation maintains current product environmental information on its website at http://www.rockwellautomation.com/rockwellautomation/about-us/sustainability-ethics/product-environmental-compliance.page. Allen-Bradley, Rockwell Automation, FLEX I/O, Rockwell Software, and TechConnect are trademarks of Rockwell Automation, Inc. Trademarks not belonging to Rockwell Automation are property of their respective companies. Publication 1794-IN119C-EN-P - August 2018 Supersedes Publication 1794-IN119B-EN-P - August 2015 Copyright ©...
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