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Summary of Contents for Allen-Bradley 1794-IB8
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Page 1: Table Of Contents
Installation Instructions FLEX I/O Digital Input Modules Catalog numbers 1794-IB8, 1794-IB16, 1794-IB32 Table of Contents Topic Page Important User Information Environment and Enclosure Prevent Electrostatic Discharge European Hazardous Location Approval North American Hazardous Location Approval Install Your Digital Input Module... -
Page 2: Important User Information
2 FLEX I/O Digital Input 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 Digital Input 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: European Hazardous Location Approval
Annex II to EU Directive 2014/34/EU. See the EU Declaration of Conformity at http://www.rockwellautomation.com/global/certification/overview.page for details. • The type of protection is Ex nA IIC T3 Gc (1794-IB8) and Ex nA IIC T4 Gc (1794-IB16) according to EN 60079-15. • Comply to Standards EN 60079-0:2012, EN 60079-15:2010, reference certificate number LCIE 01 ATEX 6020 X (1794-IB8) and DEMKO 14 ATEX 1342501X (1794-IB16). - Page 5 FLEX I/O Digital Input Modules WARNING: Special Conditions for Safe Use: • This equipment is not resistant to sunlight or other sources of UV radiation. • This equipment shall be mounted in an ATEX/IECEx Zone 2 certified enclosure with a minimum ingress protection rating of at least IP54 (in accordance with EN/IEC 60079-15) and used in an environment of not more than Pollution Degree 2 (as defined in EN/IEC 60664-1) when applied in Zone 2 environments.
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Page 6: North American Hazardous Location Approval
6 FLEX I/O Digital Input Modules North American Hazardous Location Approval The following modules are North American Hazardous Location approved: 1794-IB8, 1794-IB16, 1794-IB32. The following information applies when Informations sur l’utilisation de cet équipement operating this equipment in hazardous en environnements dangereux: locations: Products marked "CL I, DIV 2, GP A, B, C, D"... - Page 7 ATTENTION: This equipment is certified for use only within the surrounding air temperature range of -20…+55 °C (-4…+131 °F) (1794-IB8 and 1794-IB16) or 0...50 °C (32…131 °F) (1794-IB32). The equipment must not be used outside of this range.
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Page 8: Install Your Digital Input Module
8 FLEX I/O Digital Input Modules Compatibility The following communication adapters are required to ensure compatibility with the 1794-IB32: Remote I/O 1794-ASB series E or later 1794-ASB2 series D or later ControlNet 1794-ACN15 series C, firmware revision 4.1 or later 1794-ACNR15 series C, firmware revision 4.1 or later DeviceNet 1794-ADN Series B, firmware revision 2.4 or greater for... - Page 9 5. Press firmly and evenly to seat the module in the terminal base unit. The module is seated when the latching mechanism (2) is locked into the module. Connect Wiring for the 1794-IB8 and 1794-IB16 using a 1794-TB3 or 1794-TB3S 1.
- Page 10 7. 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-IB8 and 1794-IB16 (use with 1794-TB3 or 1794-TB3S Terminal Base Unit)
- Page 11 FLEX I/O Digital Input Modules 1794-TB3 and 1794-TB3S Terminal Base Wiring for 1794-IB8 and 1794-IB16 Inputs Commons Common Common Voltage Voltage Voltage Out +V In +V (1794-TB3 shown) Connect V common to terminal B-16. Connect +V to terminal C-34. Use B-33 and C-51 to daisy-chain to the next terminal base unit.
- Page 12 12 FLEX I/O Digital Input Modules Connect Wiring for the 1794-IB32 using a 1794-TB32 or 1794-TB32S WARNING: When used in a Class I, Division 2, hazardous location, this equipment must be mounted in a suitable enclosure with proper wiring method that complies with the governing electrical codes.
- Page 13 FLEX I/O Digital Input Modules Wiring Connections for 1794-IB32 (use with 1794-TB32 or 1794-TB32S Terminal Base Unit) Input Signal Input Signal IN 0 IN 16 B-17 IN 1 IN 17 B-18 IN 2 IN 18 B-19 IN 3 IN 19 B-20 IN 4 IN 20...
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Page 14: Configure Your Input Module
NC = No connections (terminals 16, 33, 34, and 51) Configure Your Input Module Configure your input module by setting bits in the configuration word (write word). Image Table Memory Map for the 1794-IB8 Module Read 1 Not used Write 1 Not used Input Filter 0...7... - Page 15 (complementary word) for the module. Dec. 14 13 11 10 Oct. 16 15 13 12 14 13 11 10 O:010 FT = 0…7 (1794-IB8) FT = 0…31 FT = 12…15 FT = 0…11 (1794-IB16) 1794-IB32 1794-IB16 Publication 1794-IN093E-EN-P - August 2018...
- Page 16 Refer to the Input Filter Time table for other bit settings. Input Filter Time Bits Description Filter Time Filter Time for inputs 0...7 (1794-IB8) 1794-IB8, 1794-IB16, 1794-IB32 Filter Time for inputs 0...11 (1794-IB16) Filter Time for inputs 12...15 (1794-IB16) Filter Time for inputs 0...32 (1794-IB32)
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Page 17: Specifications
FLEX I/O Digital Input Modules Specifications Specifications – 1794-IB8 Attribute Value Number of inputs 8, current, sinking Recommended terminal base unit 1794-TB3, 1794-TB3S, 1794-TB3K, 1794-TB3SK, 1794-TBKD, 1794-TB37DS On-state voltage, min 10V DC On-state voltage, nom 24V DC On-state voltage, max 31.2V DC... - Page 18 18 FLEX I/O Digital Input Modules Specifications – 1794-IB16 Attribute Value On-state current, max 12.0 mA Off-state voltage, max 5.0V DC Off-state current, max 1.5 mA Nominal input impedance 4.6 kΩ Isolation voltage 50V (continuous), Basic Insulation Type Type tested @ 707V DC for 60 s, between field side and system No isolation between individual channels FlexBus current 30 mA @ 5V DC...
- Page 19 32 yellow status indicators – 1794-IB32 External DC power supply voltage, nom 24V DC External DC power voltage range 10...31.2V DC (includes 5% AC ripple) – 1794-IB8, 1794-IB16 19.2...31.2V DC (includes 5% AC ripple) – 1794-IB32 North American temperature code T3C –...
- Page 20 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 °C) – 1794-IB8, 1794-IB16 0…55 °C (32…131 °F) – 1794-IB32 Temperature, surrounding air, 55 °C (131 °F) max.
- Page 21 See UL File E322657. UL Listed for Class I, Division 2, Group A, B, C, D Hazardous Locations, certified for US and Canada. See UL File E334470. (1794-IB8 and 1794-IB16 only) CSA Certified Process Control Equipment. See CSA File LR54689C.
- Page 22 22 FLEX I/O Digital Input Modules Certifications Certifications (when Value product is marked) TÜV (1794-IB16 only) TÜV Certified for Functional Safety: up to and including SIL 2 Korean Registration of Broadcasting and Communications Equipment, compliant with: Article 58-2 of Radio Waves Act, Clause 3 Russian Customs Union TR CU 020/2011 EMC Technical Regulation See the Product Certification link at http://www.rockwellautomation.com/global/certification/overview.page...
- Page 23 FLEX I/O Digital Input Modules Derating Chart for 1794-IB16 31.2 28.5 27.5 On-State Voltage (V DC) Ambient Temperature The area within the curve represents the safe operating range for the module under various conditions of user supplied 24V DC supply voltages and ambient temperature. = Normal mounting safe operating range, (includes = Other mounting positions (including inverted horizontal) safe operating range Normal Mounting –...
- Page 24 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, ControlLogix, FLEX I/O, RSLogix 5000, Rockwell Software, and TechConnect are trademarks of Rockwell Automation, Inc. Trademarks not belonging to Rockwell Automation are property of their respective companies.
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