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Summary of Contents for Allen-Bradley FLEX I/O
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Page 1: Table Of Contents
Installation Instructions FLEX I/O Digital Input and Output Modules w/ Diagnostics Catalog numbers 1794-IB16D, 1794-OB16D Table of Contents Topic Page Important User Information Environment and Enclosure Preventing Electrostatic Discharge North American Hazardous Location Approval Installing Your Digital Input or Output Module... -
Page 2: Important User Information
2 FLEX I/O Digital Input and Output Modules w/ Diagnostics 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... -
Page 3: Environment And Enclosure
FLEX I/O Digital Input and Output Modules w/ Diagnostics 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 IEC publication 60664-1), at altitudes up to 2000 m (6562 ft) without derating. -
Page 4: North American Hazardous Location Approval
4 FLEX I/O Digital Input and Output Modules w/ Diagnostics North American Hazardous Location Approval The following modules are North American Hazardous Location approved: 1794-IB16D, 1794-OB16D. The following information applies when Informations sur l’utilisation de cet operating this equipment in hazardous équipement en environnements dangereux:... - Page 5 FLEX I/O Digital Input and Output Modules w/ Diagnostics ATTENTION: FLEX™ I/O is grounded through the DIN rail to chassis ground. Use zinc plated yellow-chromate steel DIN rail to assure proper grounding. The use of other DIN rail materials (for example, aluminum or plastic) that can corrode, oxidize, or are poor conductors, can result in improper or intermittent grounding.
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Page 6: Installing Your Digital Input Or Output Module
6 FLEX I/O Digital Input and Output Modules w/ Diagnostics Installing Your Digital Input or Output Module Description Description Keyswitch Alignment bar Terminal base Groove Flexbus connector Latching mechanism Module The input module mounts on a 1794-TB32 or 1794-TB32S terminal base. The output module mounts on a 1794-TB2, 1794-TB3, or 1794-TB3S terminal base. - Page 7 FLEX I/O Digital Input and Output Modules w/ Diagnostics 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 8 8 FLEX I/O Digital Input and Output Modules w/ Diagnostics 1794-TB32 and 1794-TB32S Terminal Base Wiring for 1794-IB16D Input Terminals 0-15 Sensor Power Terminals 0-15 +V1 COM1 +V1 COM1 +V1 COM1 +V1 COM1 +V2 COM2 +V2 COM2 +V2 COM2 +V2 COM2...
- Page 9 FLEX I/O Digital Input and Output Modules w/ Diagnostics Wiring Connections for 1794-IB16D (use with 1794-TB32 or 1794-TB32S terminal base units) Input Input Sensor Power Common Supply Terminal Terminal IN 00 B-17 -V common +V2 connected to connected to terminals 43, 45,...
- Page 10 10 FLEX I/O Digital Input and Output Modules w/ Diagnostics Connecting Wiring for the 1794-OB16D Module (using a 1794-TB2, 1794-TB3, or 1794-TB3S Terminal Base) 1. Connect individual output wiring to numbered terminals on the 0-15 row (A) as indicated in the Wiring Connections for 1794-OB16D table.
- Page 11 FLEX I/O Digital Input and Output Modules w/ Diagnostics Wiring Connections for 1794-OB16D (use with 1794-TB2, 1794-TB3, or 1794-TB3S terminal base units) Output Output Terminal Common Terminal Output 00 B-17 Output 01 B-18 Output 02 B-19 Output 03 B-20 Output 04...
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Page 12: Diagnostics
12 FLEX I/O Digital Input and Output Modules w/ Diagnostics Diagnostics (See configuration information below for location of diagnostic bits.) Note: Each unused sensor port requires a dummy resistor to mask the channel diagnostic function. Diagnostic Functions for the 1794-IB16D Ext. - Page 13 FLEX I/O Digital Input and Output Modules w/ Diagnostics Diagnostic Functions for the 1794-OB16D Ext. Wiring Input Channe Open Short Rev. Module Power Status l LED Wire Error Error Error Status Error Bit/LED Open 0/OFF 0/OFF Short 0/OFF 0/OFF Normal...
- Page 14 14 FLEX I/O Digital Input and Output Modules w/ Diagnostics Sensor Diagram for the 1794-IB16D Module External External External External 1794-IB16D 1794-IB16D 1794-IB16D 1794-IB16D Power Power Power Power Supply Supply Supply Supply 2-Wire 2-Wire 3-Wire 3-Wire Sensor Sensor Sensor Sensor...
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Page 15: Configuring Your Module
FLEX I/O Digital Input and Output Modules w/ Diagnostics Configuring Your Module Configuring Your 1794-IB16D Input Module Configure your input module by setting bits in the configuration word (word 3). This module is compatible with the Remote I/O network (with 1794-ASB series E or later), DeviceNet network, and the ControlNet network. - Page 16 16 FLEX I/O Digital Input and Output Modules w/ Diagnostics Input Filter Time Bits Description Filter Time Filter Time for inputs 0...15 Off to On / On to Off Filter Time 0 (Default) 0.25 ms Filter Time 1 0.5 ms...
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Page 17: Specifications
FLEX I/O Digital Input and Output Modules w/ Diagnostics Specifications Specifications – 16 Input Module w/ Diagnostics, 1794-IB16D Meets IEC 3 24V DC input specifications Attribute Value Number of inputs 16, current, sinking Recommended terminal base unit 1794-TB32, 1794-TB32S, 1794-TB62DS, 1794-TB62EXD4X15... -
Page 18: Publication 1794-In096C-En-P - August
18 FLEX I/O Digital Input and Output Modules w/ Diagnostics Specifications – 16 Output Module w/ Diagnostics, 1794-OB16D Attribute Value Number of outputs 16, nonisolated Recommended terminal base unit 1794-TB2, 1794-TB3, 1794-TB3S Output voltage, min 10V DC Output voltage, nom... - Page 19 FLEX I/O Digital Input and Output Modules w/ Diagnostics General Specifications Attribute Value Terminal base screw torque Determined by installed terminal base Dimensions, approx. (H x W x D) 45.7 x 94 x 53.3 mm (1.8 x 3.7 x 2.1 in.) – 1794-IB16D 94 x 94 x 91 mm (3.7 x 3.7 x 3.6 in.) –...
- Page 20 20 FLEX I/O Digital Input and Output Modules w/ Diagnostics Environmental Specifications Attribute Value Emissions CISPR 11: Group 1, Class A (with appropriate enclosure) ESD immunity IEC 61000-4-2: 6 kV contact discharges 8 kV air discharges Radiated RF immunity IEC 61000-4-3: 10V/m with 1 kHz sine-wave 80% AM from 80...2000 MHz...
- Page 21 FLEX I/O Digital Input and Output Modules w/ Diagnostics See the Product Certification link at www.ab.com for Declarations of Conformity, Certificates, and other certification details. Derating Curves 1794-IB16D Input Voltage 31 .2 26 .4 Input Voltage 50 55 Ambient Temperature (˚C)
- Page 22 RA-DU002, available at http://www.rockwellautomation.com/literature/. Allen-Bradley, Rockwell Automation, FLEX I/O, and TechConnect are trademarks of Rockwell Automation, Inc. Trademarks not belonging to Rockwell Automation are property of their respective companies. Publication 1794-IN096C-EN-P - August 2015 Supersedes Publication 1794-IN096B-EN-P - February 2004 Copyright ©...
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