Allen-Bradley 1794-IM8 Installation Instructions Manual Download Page 1

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Installation Instructions

Original Instructions

FLEX I/O 220V AC Digital Input and Output
Modules

Catalog Numbers 1794-IM8, 1794-OM8

Topic Page

Important User Information

Environment and Enclosure

North American Hazardous Location Approval

Prevent Electrostatic Discharge

Installing Your 220V AC Digital Input or Output Module

Configure Your AC Module

Specifications

Derating Curves

Summary of Contents for 1794-IM8

Page 1: ...talog Numbers 1794 IM8 1794 OM8 Topic Page Important User Information 2 Environment and Enclosure 3 North American Hazardous Location Approval 4 Prevent Electrostatic Discharge 5 Installing Your 220V AC Digital Input or Output Module 7 Configure Your AC Module 10 Specifications 12 Derating Curves 17 ...

Page 2: ...ed with any particular installation Rockwell Automation Inc cannot assume responsibility orliability for actual use based on the examples and diagrams No patent liability is assumed by Rockwell Automation Inc with respect to use of information circuits equipment or software described in this manual Reproduction of the contents ofthis manual in whole or in part without written permission of Rockwel...

Page 3: ...onlyby the use of a tool Subsequent sections of this publication may contain more information regardingspecific enclosure type ratings that are required to comply with certain product safety certifications In addition to this publication see the following Industrial Automation Wiring and Grounding Guidelines publication1770 4 1 for additional installation requirements NEMA Standard 250 and EN IEC ...

Page 4: ...mbinés dans un système le code de température le plus défavorable code de température le plus faible peut être utilisé pour déterminer le code de température global du système Les combinaisons d équipements dans le système sont sujettes à inspection par les autorités locales qualifiées au moment de l installation WARNING Explosion Hazard Do not disconnect equipment unless power has been removed or...

Page 5: ...is ground Use zinc plated chromate passivated steel DIN rail to assure proper grounding The use ofotherDINrailmaterials forexample aluminumorplastic thatcancorrode oxidize or are poor conductors can result in improper or intermittent grounding Secure DIN rail to mounting surface approximately every 200 mm 7 8 in and use end anchors appropriately Be sure to ground the DIN rail properly Refer to Ind...

Page 6: ...ing connector Worn contacts may create electrical resistance that can affect module operation Ifyouinsertorremovethemodulewhilebackplanepowerison anelectricarc can occur This could cause an explosion in hazardous location installations Be sure that power is removed or the area is nonhazardous before proceeding ATTENTION Thisequipmentiscertifiedforuseonlywithinthesurroundingairtemperature range of ...

Page 7: ...onnect with the neighboring terminal base adapter You cannot install the module unless the connector is fully extended 3 Make sure the pins on the bottom of the module are straight so they will align properly with the connector in the terminal base Description Description 1 Keyswitch 5 Alignment bar 2 Terminal base 6 Groove 3 Flexbus connector 7 Latching mechanism 4 Module ATTENTION During mountin...

Page 8: ...ow C for each input as indicated in the Wiring Connections for 1794 IM8 and 1794 OM8 table The 220V L1 power terminals of row C are internally connected together 1794 OM8 Connect the associated 220V AC common L2 lead of the output device to the corresponding odd numbered terminal C 1 3 5 7 9 11 13 or 15 on row C as indicated in the Wiring Connections for 1794 IM8 and 1794 OM8 table The 220V L2 com...

Page 9: ...and 15 on the 1794 TBN are internally connected in the module to 220V AC common L2 Input 1 B 2 C 3 1 Output 1 B 2 C 3 2 Input 2 B 4 C 5 1 Output 2 B 4 C 5 2 Input 3 B 6 C 7 1 Output 3 B 6 C 7 2 Input 4 B 8 C 9 1 Output 4 B 8 C 9 2 Input 5 B 10 C 11 1 Output 5 B 10 C 11 2 Input 6 B 12 C 13 1 Output 6 B 12 C 13 2 Input 7 B 14 C 15 1 Output 7 B 14 C 15 2 B Even numbered Input terminals 0 14 AC common...

Page 10: ... to 0 Filter time FT Where I Input status FT Input filter time Image Table Memory Map for the 1794 OM8 Module Dec 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Oct 17 16 15 14 13 12 11 10 7 6 5 4 3 2 1 0 Read Not used set to 0 Write Not used set to 0 O7 O6 O5 O4 O3 O2 O1 O0 Where O Output 16 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 51 33 34 L1 L2 L1 L2 B C Even Numbered I O Terminals 0 thru 14 Odd Numbered I...

Page 11: ...gs refer to the Input Filter Time for the 1794 IM8 Module table Bits Description Selected Filter Time MaximumFilterTime ms 02 01 00 Filter Time for Inputs 00 07 Off to On On to Off 0 0 0 Filter time 0 default 256 μs 7 5 26 5 0 0 1 Filter time 1 512 μs 8 27 0 1 0 Filter time 2 1 ms 9 28 0 1 1 Filter time 3 2 ms 10 29 1 0 1 Filter time 4 4 ms 12 31 1 0 1 Filter time 5 8 ms 16 35 1 1 0 Filter time 6 ...

Page 12: ...ge max 40V AC Off state current max 2 6 mA Nominal input impedance 22 3 kΩ Nominal input current 12 mA 240V AC Isolation voltage 250V continuous Basic Insulation Type field side to backplane Type tested 1530V AC for 60 s No isolation between individual channels Input filter time 1 Off to On On to Off 1 Input off to on filter time is the time from a valid input signal to recognition by the module I...

Page 13: ...C 0 5 A Surge current 7 A for 40 ms each repeatable every 8 seconds Off state leakage max 2 5 mA Isolation voltage 250V continuous Basic Insulation Type field side to backplane Type tested 1530V AC for 60 s No isolation between individual channels Output signal delay 1 Off to On On to Off 1 2 cycle max 1 2 cycle max Flexbus current 60 mA 5V DC Power dissipation max 5 0 W 0 5 A Thermal dissipation ...

Page 14: ...ating None open style Weight approx 100 g 3 53 oz 85 g 3 00 oz Wire size Determined by installed terminal base Wiring category 1 2 on signal ports 1 Use this Conductor Category information for planning conductor routing as described in the appropriate System Level Installation Manual Also refer to Industrial Automation Wiring and Grounding Guidelines publication 1770 4 1 for more information Envir...

Page 15: ...mmunity 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 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 EFT B immunity IEC 61000 4 4 2 kV 5 kHz on power ports 2 kV 5 kHz on signal ports Surge transient immunity IEC 61...

Page 16: ... 61326 1 Meas Control Lab Industrial Requirements EN 61000 6 4 Industrial Emissions EN 61131 2 Programmable Controllers Clause 8 Zone A B European Union 2014 35 EU LVD compliant with EN 61131 2 Programmable Controllers Clause 11 European Union 2011 65 EU RoHS compliant with EN 50581 Technical documentation KC Korean Registration of Broadcasting and Communications Equipment compliant with Article 5...

Page 17: ...safe operating range for the module under various conditions of user supplied 220V AC supply voltages and ambient temperatures Other mounting positions including inverted horizontal vertical safe operating range 175 190 205 220 235 250 264 49 Normal mounting safe operating range Includes Mounting Temperature maximum normal horizontal 55 Other mounting positions including inverted horizontal vertic...

Page 18: ...18 Rockwell Automation Publication 1794 IN104C EN P July 2018 FLEX I O 220V AC Digital Input and Output Modules Notes ...

Page 19: ...Chat User Forums and Product Notification Updates www rockwellautomation com knowledgebase Local Technical Support Phone Numbers Locate the phone number for your country www rockwellautomation com global support get support now page Direct Dial Codes Find the Direct Dial Code for your product Use the code to route your call directly to a technical support engineer www rockwellautomation com global...

Page 20: ... Ş Kar Plaza İş Merkezi E Blok Kat 6 34752 İçerenköy İstanbul Tel 90 216 5698400 Rockwell Automation maintains current product environmental information on its website at http www rockwellautomation com rockwellautomation about us sustainability ethics product environmental compliance page Publication 1794 IN104C EN P July 2018 Supersedes Publication 1794 IN104B EN P July 2015 Copyright 2018 Rockw...

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