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Summary of Contents for Allen-Bradley FLEX I/O 1794-IV32
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Page 1: Table Of Contents
Installation Instructions Original Instructions FLEX I/O Digital Sourcing Input and Sinking Output Modules Catalog Numbers 1794-IV32, 1794-OV32 Topic Page Important User Information Environment and Enclosure North American Hazardous Location Approval Prevent Electrostatic Discharge Install Your Digital Module Configure Your Input Module Configure Your Output Module Specifications... -
Page 2: Important User Information
FLEX I/O Digital Sourcing Input and Sinking 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 Digital Sourcing Input and Sinking 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
FLEX I/O Digital Sourcing Input and Sinking Output Modules North American Hazardous Location Approval The 1794-IV32, 1794-OV32 module is Hazardous Location approved: The Following Information Applies When Informations sur l’utilisation de cet équipement en Operating This Equipment In Hazardous Locations. environnements dangereux. -
Page 5: Prevent Electrostatic Discharge
FLEX I/O Digital Sourcing Input and Sinking Output Modules Prevent Electrostatic Discharge 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. •... - Page 6 FLEX I/O Digital Sourcing Input and Sinking Output Modules WARNING: • When you insert or remove the module while backplane power is on, an electric 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 electric arcing causes excessive wear to contacts on both the module and its mating connector.
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Page 7: Install Your Digital Module
FLEX I/O Digital Sourcing Input and Sinking Output Modules Install Your Digital Module Description Description Keyswitch Alignment bar Terminal base Groove Flexbus connector Latching mechanism Module The module mounts on a 1794 terminal base. ATTENTION: During mounting of all devices, be sure that all debris (metal chips, wire strands, etc.) is kept from falling into the module. - Page 8 FLEX I/O Digital Sourcing Input and Sinking Output Modules 4. Position the module (4) with its alignment bar (5) aligned with the groove (6) on the terminal base. 5. Press firmly and evenly to seat the module in the terminal base unit. The module is seated when the latching mechanism (7) is locked into the module.
- Page 9 FLEX I/O Digital Sourcing Input and Sinking Output Modules 9. If continuing input wiring power for inputs 16...31 to the next terminal base, connect a jumper from terminal 49 (+V2) on this terminal base unit to the power terminal on the next terminal base unit. 10.
- Page 10 FLEX I/O Digital Sourcing Input and Sinking Output Modules Wiring Connections for 1794-IV32 and 1794-OV32 Channel Signal Channel Signal B-17 B-18 B-19 B-20 B-21 B-22 B-23 B-24 B-25 B-26 A-10 B-27 A-11 B-28 A-12 B-29 A-13 B-30 A-14 B-31 A-15 B-32 +V1 DC power Power terminals 35, 37, 39, and 41 for inputs 0...15.
- Page 11 FLEX I/O Digital Sourcing Input and Sinking Output Modules 1794-TB32 and 1794-TB32S Terminal Base Wiring for 1794-IV32 and 1794-OV32 (1794-TB32 shown) Inputs/Outputs - Channels 00-15 Inputs/Outputs - Channels 16-31 COM1 COM1 COM1 COM1 COM2 COM2 COM2 COM2 NC For 1794-OV32, also use the following as Signal Supply terminals: For 1794-OV32, also use the following as Signal Supply terminals: +V1 = Terminals 35, 37, 39 and 41 +V2 = Terminals 43, 45, 47 and 49...
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Page 12: Configure Your Input Module
FLEX I/O Digital Sourcing Input and Sinking Output Modules 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-IV32 Module 15 14 13 12 11 10 9 17 16 15 14 13 12 11 10 7 Read 1 I15 I14 I13 I12 I11 I10 I9... -
Page 13: Configure Your Output Module
FLEX I/O Digital Sourcing Input and Sinking Output Modules Input Filter Times Bits Description Selected Filter Time Filter Time for Inputs 00...31 Off to On / On to Off Filter time 0 (default) 0.25 ms Filter time 1 0.5 ms Filter time 2 1 ms Filter time 3... -
Page 14: Specifications
FLEX I/O Digital Sourcing Input and Sinking Output Modules Specifications Specifications – FLEX™ I/O Digital Sourcing Input Module Attribute Value Number of inputs 32, current, sourcing Recommended terminal base unit 1794-TB32, 1794-TB32S, 1794-TB62DS, 1794-TB62EXD4X15 On-state voltage, min 19.2V DC On-state voltage, nom 24V DC On-state voltage, max 31.2V DC... - Page 15 FLEX I/O Digital Sourcing Input and Sinking Output Modules Specifications – FLEX I/O Digital Sinking Output Module Attribute Value Output voltage, nom 24V DC Output voltage, max 31.2V DC 14 A max per module Output current rating 6 A total for channels 0...15 8 A total for channels 16...31 1.0 mA min per channel On-state current...
- Page 16 FLEX I/O Digital Sourcing Input and Sinking Output Modules General Specifications Attribute 1794-IV32 1794-OV32 Enclosure type rating None (open-style) Weight, approx. 77 g (2.72 oz) 80 g (2.82 oz) Wire size Determined by installed terminal base Wiring category 2 – on signal ports (1) Use this Conductor Category information for planning conductor routing as described in the appropriate System Level Installation Manual.
- Page 17 FLEX I/O Digital Sourcing Input and Sinking Output Modules Environmental Specifications Attribute Value IEC 61000-4-3: 10V/m with 1 kHz sine-wave 80% AM from 80...2000 MHz Radiated RF immunity 10V/m with 200 Hz 50% Pulse 100% AM @ 900 MHz 10V/m with 200 Hz 50% Pulse 100% AM @ 1890 MHz 1V/m with 1 kHz sine-wave 80% AM from 2000...2700 MHz IEC 61000-4-4: EFT/B immunity...
- Page 18 FLEX I/O Digital Sourcing Input and Sinking Output Modules Notes: Rockwell Automation Publication 1794-IN122C-EN-P - July 2018...
- Page 19 FLEX I/O Digital Sourcing Input and Sinking Output Modules Rockwell Automation Support Use the following resources to access support information. Knowledgebase Articles, How-to Videos, Technical Support www.rockwellautomation.com/ FAQs, Chat, User Forums, and Product knowledgebase Center Notification Updates. Local Technical www.rockwellautomation.com/global/ Support Phone Locate the phone number for your country.
- Page 20 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. Rockwell Otomasyon Ticaret A.Ş., Kar Plaza İş Merkezi E Blok Kat:6 34752 İçerenköy, İstanbul, Tel: +90 (216) 5698400...
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