Installation Instructions FLEX I/O 240V AC Digital Input and Output Modules Catalog numbers 1794-IM16, 1794-OM16 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 AC Module Specifications...
2 FLEX I/O 240V AC 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.
FLEX I/O 240V AC 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.
4 FLEX I/O 240V AC Digital Input and Output Modules North American Hazardous Location Approval The following modules are North American Hazardous Location approved: 1794-IM16, 1794-OM16. 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"...
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FLEX I/O 240V AC 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.
6 FLEX I/O 240V AC Digital Input and Output Modules WARNING: If you insert or remove the module while backplane power is on, an electrical 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. WARNING: Do not connect control circuit directly to line voltage.
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FLEX I/O 240V AC Digital Input and Output Modules The module mounts on a 1794 terminal base. ATTENTION: Do not remove or replace a Terminal Base unit when power is applied. Interruption of the backplane can result in unintentional operation or machine motion.
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8 FLEX I/O 240V AC Digital Input and Output Modules Connect Wiring for your 1794-OM16 Module (using a 1794-TBN or TBNF Terminal Base) 1. Connect individual output wiring to terminals 0...15 on the 16-33 row (B), and the 34-51 row (C) as indicated in the Wiring Connections for 1794-IM16 and 1794-OM16 table.
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FLEX I/O 240V AC Digital Input and Output Modules Wiring Connections for 1794-IM16 and 1794-OM16 1794-IM16 1794-OM16 1794-TBN 1794-TBN, 1794-TBNF Input Input Terminal Output Output Terminal Input 9 Output 9 Input 10 B-10 Output 10 B-10 Input 11 C-11 Output 11 C-11 Input 12 B-12...
10 FLEX I/O 240V AC Digital Input and Output Modules Configure Your AC Module Image Table Memory Map for the 1794-IM16 Module Read Input Data Read Bit 15 Counter Write Reserved Filter Time 12...15 Filter Time 0...11 Where I = Input status R = Reserved EF = Enable Filter 0 = Enabled...
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FLEX I/O 240V AC Digital Input and Output Modules For example, setting bits 00, 01, and 02 as shown below sets the off-to-on filter time for inputs 00...11 to 12 ms. For other settings, refer to the Input Filter Time table. Write FT to complement of Write filter time on system startup.
12 FLEX I/O 240V AC Digital Input and Output Modules Specifications Specifications – FLEX I/O 240V AC Input Module 1794-IM16 Attribute Value Number of inputs 16, nonisolated Recommended terminal base unit 1794-TBN, 1794-TBNK On-state voltage, min 159V AC On-state voltage, nom 240V AC On-state voltage, max 264V AC...
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FLEX I/O 240V AC Digital Input and Output Modules Specifications – FLEX I/O 240V AC Output Module 1794-OM16 Attribute Value Number of outputs 16, nonisolated Recommended terminal base unit 1794-TBN, 1794-TBNF, 1794-TBNK, 1794-TBNFK Output voltage, min 159V AC Output voltage, nom 240V AC Output voltage, max 264V AC...
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14 FLEX I/O 240V AC Digital Input and Output Modules General Specifications Attribute Value Terminal base screw torque Determined by installed terminal base Dimensions, approx. (H x W x D) 94 x 94 x 91 mm (3.7 x 3.7 x 3.6 in.) Weight, approx.
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FLEX I/O 240V AC 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.
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16 FLEX I/O 240V AC 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.
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FLEX I/O 240V AC Digital Input and Output Modules Notes: Publication 1794-IN123D-EN-P - August 2018...
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