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Allen-Bradley 1794-IA16, Installation Instructions Manual, Page: 1 / 24

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Installation Instructions

Original Instructions

FLEX I/O AC Digital Input Modules

Catalog Numbers 1794-IA8, 1794-IA8I, 1794-IA16

Topic Page

Important User Information

2

Environment and Enclosure

3

North American Hazardous Location Approval

4

Prevent Electrostatic Discharge

5

Installing Your AC Digital Input Module

7

Configuring Your AC Input Module

14

Specifications

16

Summary of Contents for 1794-IA16

Page 1: ...talog Numbers 1794 IA8 1794 IA8I 1794 IA16 Topic Page Important User Information 2 Environment and Enclosure 3 North American Hazardous Location Approval 4 Prevent Electrostatic Discharge 5 Installing Your AC Digital Input Module 7 Configuring Your AC Input Module 14 Specifications 16 ...

Page 2: ...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 Rockwell Automa...

Page 3: ...he 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 60529 as...

Page 4: ...inés 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 t...

Page 5: ...d 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 Industrial ...

Page 6: ...planepowerison 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 WARNING If you connect or disconnect wiring while the field side 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 non...

Page 7: ... connector 3 is pushed all the way to the left to connect with the neighboring terminal base adapter You cannot install the module unless the connector is fully extended Description Description 1 Keyswitch 5 Alignment bar 2 Terminal base 6 Groove 3 Flexbus connector 7 Latching mechanism 4 Module ATTENTION During mounting of all devices be sure that all debris metal chips wire strands etc is kept f...

Page 8: ... indicated in the Wiring Connections for 1794 IA8 table 2 For 1794 TB2 Connect the associated 120V AC power lead L1 of the input device to the corresponding odd numbered terminals on the 0 15 row A for each input as indicated in the Wiring Connections for 1794 IA8 table The odd numbered terminals on row A are internally connected to 120VAC L1 For 1794 TB3 or 1794 TB3S Connect the associated 120V A...

Page 9: ...n this base unit to terminal 16 on the next base unit Wiring Connections for 1794 IA8 1794 TB2 1794 TB3 1794 TB3S 1794 TBN Input Input Terminal 120V AC Supply Input Terminal 120V AC Supply Input 0 A 0 A 1 1 C 35 1 A 1 3 5 7 9 11 13 and15onthe 1794 TB2 1794 TB3 and1794 TB3S areinternally connected inthe moduleto120VAC L1 B 0 C 1 2 2 C 1 3 5 7 9 11 13 and 15 on the 1794 TBN are internally connected ...

Page 10: ... numbered terminals on 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 34 Inputs Commons 1794 TB3 shown L2 L1 Voltage A B C L2 Connect 120V AC L1 power to terminal C 34 Connect 120V AC common L2 to terminal B 16 Use B 33 and C 51 for daisychaining to the next terminal base unit L1 Terminals C 35 thru C 5...

Page 11: ...each device 3 Connect 120V AC power L1 to terminal 34 on the 34 51 row C 4 Connect 120V AC common L2 to terminal 16 on the 16 33 row B 5 If daisychaining power to the next terminal base connect a jumper from terminal 51 120V AC L1 on this base unit to terminal 34 on the next base unit 6 If continuing AC common to the next base unit connect a jumper from terminal 33 120V common L2 on this base unit...

Page 12: ...nput 9 A 9 C 9 C 44 Input 10 A 10 B 10 C 45 Input 11 A 11 C 11 C 46 Input 12 A 12 B 12 C 47 Input 13 A 13 C 13 C 48 Input 14 A 14 B 14 C 49 Input 15 A 15 C 15 C 50 120V AC L1 Power terminals C 34 to C 51 C 34 and C 51 on 1794 TBN are internally connected together Connect 120V AC L1 to C 34 120V AC L2 Common terminals B 16 to B 33 B 16 and B 33 for 1794 TBN are internally connected together Connect...

Page 13: ...dual isolated 120V AC L1 power leads must be run externally to each of the input devices Wiring Connections for 1794 IA8I 1794 TB2 1794 TB3 1794 TB3S 1794 TBN Input Input Terminal 120V AC L2 Common Input Terminal 120V AC L2 Common Input 0 A 0 A 1 B 0 C 1 Input 1 A 2 A 3 B 2 C 3 Input 2 A 4 A 5 B 4 C 5 Input 3 A 6 A 7 B 6 C 7 Input 4 A 8 A 9 B 8 C 9 Input 5 A 10 A 11 B 10 C 11 Input 6 A 12 A 13 B 1...

Page 14: ... Write Not used set to 0 Filter Time FT 0 7 Where I Input FT Input filter time 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 34 1794 TB3 shown A B C Connect Inputs to even numbered terminals on row A Connect 120V AC common L2 to odd numbered terminals on row A 16 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 5...

Page 15: ... the bits according to the Input Filter Time table Image Table Memory Map for the 1794 IA16 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 1 I15 I14 I13 I12 I11 I10 I9 I8 I7 I6 I5 I4 I3 I2 I1 I0 Write 3 Not used set to 0 Input Filter FT 12 15 Input Filter FT 0 11 Where I Input FT Input filter time 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 FT 12 15 FT ...

Page 16: ... 5 26 5 0 0 1 Filter time 1 512 μs 8 6 26 6 8 6 26 6 8 27 0 1 0 Filter time 2 1 ms 9 27 9 27 9 28 0 1 1 Filter time 3 2 ms 10 28 10 28 10 29 1 0 1 Filter time 4 4 ms 12 30 12 30 12 31 1 0 1 Filter time 5 8 ms 16 34 16 34 16 35 1 1 0 Filter time 6 16 ms 24 42 24 42 24 5 44 1 1 1 Filter time 7 32 ms 40 58 40 58 42 60 5 Specifications 1794 IA8 1794 IA8I Attribute 1794 IA8 1794 IA8I Number of inputs 8...

Page 17: ...ation between individual channels Input filter time See Input Filter Time table Flexbus current 30 mA 5V DC Power dissipation max 4 5 W 132V AC Thermal dissipation max 15 3 BTU hr 132V AC 1 AC inputs compatible with proximity switches with leakage ratings of Ileak 2 5 mA and Ion minimum 5 mA Specifications 1794 IA16 Attribute Value Number of inputs 16 nonisolated Module location 1794 TB3 1794 TB3S...

Page 18: ...General Specifications Attribute 1794 IA8 1794 IA8I 1794 IA16 Terminal base screw torque Determined by installed terminal base Dimensions approx H x W x D 94 x 94 x 69 mm 3 7 x 3 7 x 2 7 in Indicators field side indication 8 yellow status indicators 16 yellow status indicators External AC power supply voltage nom 120V AC External AC power voltage range 65 132V AC 74 132V AC North American temperat...

Page 19: ... Test Na unpackaged nonoperating thermal shock 40 85 C 40 185 F Temperature surrounding air max 55 C 131 F Relative humidity IEC60068 2 30 Test Db Unpackaged Damp Heat 5 95 noncondensing Vibration IEC60068 2 6 Test Fc Operating 5 g 10 500 Hz Shock operating IEC60068 2 27 Test Ea Unpackaged shock 30 g Shock nonoperating IEC60068 2 27 Test Ea Unpackaged shock 50 g Emissions IEC61000 6 4 ESD immunity...

Page 20: ...nd Canada See UL File E322657 UL Listed for Class I Division 2 Group A B C D Hazardous Locations certified for U S and Canada See UL File E334470 CSA 1794 IA8 1794 IA8I only CSA Certified Process Control Equipment See CSA File LR54689C CSA Certified Process Control Equipment for Class I Division 2 Group A B C D Hazardous Locations See CSA File LR69960C CE European Union 2014 30 EU EMC Directive co...

Page 21: ...s Union TR CU 020 2011 EMC Technical Regulation Russian Customs Union TR CU 004 2011 LV Technical Regulation RCM Australian Radiocommunications Act compliant with EN 61000 6 4 Industrial Emissions 1 See the Product Certification link at http www rockwellautomation com global certification overview page for Declaration of Conformity Certificates and other certification details Certifications Certif...

Page 22: ...22 Rockwell Automation Publication 1794 IN102D EN P July 2018 FLEX I O AC Digital Input Modules Notes ...

Page 23: ...r 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 support...

Page 24: ... 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 IN102D EN P July 2018 Supersedes Publication 1794 IN102C EN P July 2015 Copyright 2018 Rockw...

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