Allen-Bradley 1790-T0A8X Installation Instructions Manual Download Page 1

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Installation Instructions

Digital Expansion Terminal Block
CompactBlock LDX I/O

Catalog Numbers 1790-T16BV0X, 1790-T8BV8VX,
1790-T8BV8BX, 1790-T0B16X, 1790-T0V16X, 1790-T0W8X,
1790-T8A0X, 1790-T0A8X

Table of Contents

Topic

Page

Important User Information

Environment and Enclosure

Prevent Electrostatic Discharge

North American Hazardous Location Approval

Install Your Module

Mount the Expansion Block

Connect an Expansion Block to a Base Block

Wire the Expansion Blocks

Troubleshoot with the Indicators

Specifications

Summary of Contents for 1790-T0A8X

Page 1: ...8X 1790 T8A0X 1790 T0A8X Table of Contents Topic Page Important User Information 2 Environment and Enclosure 3 Prevent Electrostatic Discharge 3 North American Hazardous Location Approval 4 Install Yo...

Page 2: ...ticular installation Rockwell Automation Inc cannot assume responsibility or liability for actual use based on the examples and diagrams No patent liability is assumed by Rockwell Automation Inc with...

Page 3: ...prevent or minimize the spread of flame complying with a flame spread rating of 5VA V2 V1 V0 or equivalent if non metallic The interior of the enclosure must be accessible only by the use of a tool S...

Page 4: ...le code de temp rature le plus d favorable code de temp rature le plus faible peut tre utilis pour d terminer le code de temp rature global du syst me Les combinaisons d quipements dans le syst me son...

Page 5: ...in the following sections Mount the Expansion Block Mount the expansion block by connecting it to a previously installed CompactBlock LDX I O base or expansion block Beginning with the base block you...

Page 6: ...center punch nail or similar device through the mounting holes in the block and make two marks on the panel lower left and upper right corners of the module 4 Remove the block and drill two holes in...

Page 7: ...ounting 1 On the DIN rail position the expansion block next to your previously installed base block 2 Hook the top slot of the block over the DIN Rail 3 Pull down on the locking lever while pressing t...

Page 8: ...ing as described in the previous section 4 Plug the expansion cable into the base and expansion blocks ATTENTION Expansion blocks should not be installed when power is applied to the base IMPORTANT Th...

Page 9: ...wer 24V DC Note both COM 0 are internally connected COM 0 is used for inputs 0 7 COM 1 is used for inputs 8 15 Both COM 1 are internally connected IMPORTANT Input and output wiring must be in accordan...

Page 10: ...Power GND 1790 T8BV8BX Input Output Expansion Block Wiring Diagram Sinking inputs wire COM pin 9 to Field Power GND Sourcing inputs wire COM pin 9 to Field Power 24V DC Note both COM pins 9 and 10 are...

Page 11: ...n 12 to Field Power GND 1790 T0W8X Relay Output Expansion Block Wiring Diagram Wire VDC pin 1 to Field Power 24V DC Wire GND pin 2 to Field Power GND 20 18 16 14 12 10 8 6 4 2 19 17 15 13 11 9 7 5 3 1...

Page 12: ...is table Universal DC Input Expansion Block 1790 T16BVOX I O Status Indicators Indicator Status Description Output status Off Output not energized Solid green Output energized Input status Off No vali...

Page 13: ...polarity On state voltage 9 6V DC min 24V DC nom 28 8V DC max Off state voltage max 5 0V DC On state current max 8 mA per point 28 8V DC Nominal input impedance 4 8 K Input signal delay max OFF to ON...

Page 14: ...16 points non isolated sinking 16 points non isolated sourcing Indicators 16 green status Common type 8 points 2COM 8 points 8COM Off state voltage max 28 8V DC On state current min 1 mA per channel...

Page 15: ...AC 2 0 A resistive Minimum load per point 100 A 100 mV DC Off state leakage max 1 5 mA On state voltage drop max 0 5V DC 2 0 A resistive load 24V DC Initial contact resistance 30 m Expected contact l...

Page 16: ...C Attribute Value Outputs per expansion block 8 points non isolated Indicators 8 green input status Common type 8 points 8COM Load voltage range 15 132V rms Load current max 0 5 A rms Load current min...

Page 17: ...iceNet I O to logic DeviceNet to logic non isolated DeviceNet power non isolated Field Power Voltage range 10 28 8V DC Field Power Supply voltage 24V DC nom Field power dissipation 3 68 W max 28 8V DC...

Page 18: ...Damp Heat 5 90 noncondensing Operating altitude 2000 m Vibration IEC 60068 2 6 Test Fc Operating 2 g 10 500 Hz Operating shock IEC 60068 2 27 Test Ea Unpackaged Shock 10 g Non operating shock IEC 600...

Page 19: ...nd other certification details Value c UL us UL Listed for Class I Division 2 Group A B C D Hazardous Locations certified for U S and Canada See UL File E194810 CE European Union 89 336 EEC EMC Direct...

Page 20: ...However if your product is not functioning and needs to be returned follow these procedures Documentation Feedback Your comments will help us serve your documentation needs better If you have any sug...