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FLEX I/O AC Digital Output Modules      

9

Publication 1794-IN103D-EN-P - July 2018

5.

Press firmly and evenly to seat the module in the terminal base unit. The module 
is seated when the latching mechanism (2) is locked into the module. 

Connecting Wiring for the 1794-OA8 or 1794-OA8K

1.

For 1794-TB2, 1794-TB3, or 1794-TB3S 

– Connect individual output wiring 

to even numbered terminals on the 0…15 row (A) as indicated in the Wiring 
Connections for 1794-OA8 and 1794-OA8K table.

2.

For 1794-TBN or 1794-TBNF

 – Connect individual output wiring to even 

numbered terminals on the 16…33 row (B) as indicated in the Wiring 
Connections for 1794-OA8 and 1794-OA8K table.

3.

For 1794-TB2, 1794-TB3, or 1794-TB3S

 – Connect the associated V AC 

common (L2) lead of the output device to the corresponding odd numbered 
terminal on the 0…15 row (A) for each output as indicated in the Wiring 
Connections for 1794-OA8 and 1794-OA8K table; or to the corresponding 
terminal on the 16…33 row (B). The V AC common (L2) terminals of row (B) 
and the odd numbered terminals of row (A) are internally connected together.

 

For 1794-TBN or 1794-TBNF

 – Connect the associated V AC common (L2) 

lead of the output device to the corresponding odd numbered terminal on the 
34…51 row (C) for each output as indicated in the Wiring Connections for 
1794-OA8 and 1794-OA8K table. The odd numbered terminals of row (C) are 
internally connected together to V AC L2 common.

4.

Connect V AC power L1 to terminal 34 on the 34…51 row (C).

5.

Connect V AC common L2 to terminal 16 on the 16…33 row (B).

6.

If daisychaining V AC power (L1) to the next terminal base, connect a jumper 
from terminal 51 (V AC L1) on this base unit to terminal 34 on the next base 
unit.

7.

If continuing V AC common (L2) to the next base unit, connect a jumper from 
terminal 33 (V common L2) on this base unit to terminal 16 on the next base 
unit

. 

IMPORTANT

Total current draw through terminal base connection is limited to 10 A. 
Separate power connections to each terminal base may be necessary.

ATTENTION: 

If multiple power sources are used for 1794-OA8I, do not exceed 

the specified isolation voltage.

Содержание 1794-OA16

Страница 1: ... Table of Contents Topic Page Important User Information 2 Environment and Enclosure 3 Preventing Electrostatic Discharge 3 European Hazardous Location Approval 5 North American Hazardous Location Approval 7 Install Your FLEX I O AC Digital Output Module 8 Configure the FLEX I O AC Output Module 15 Specifications 17 ...

Страница 2: ...grams in this manual are included solely for illustrative purposes Because of the many variables and requirements associated with any particular 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 respect to use of information circuits equipment or software de...

Страница 3: ...g with a flame spread rating of 5VA or be approved for the application if nonmetallic The interior of the enclosure must be accessible only by the use of a tool Subsequent sections of this publication may contain more information regarding specific enclosure type ratings that are required to comply with certain product safety certifications In addition to this publication see the following Industr...

Страница 4: ...be impaired 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 Users are required to familiariz...

Страница 5: ...ocation installations Be sure that power is removed or the area is nonhazardous before proceeding The following applies to products marked II 3 G Are Equipment Group II Equipment Category 3 and comply with the Essential Health and Safety Requirements relating to the design and construction of such equipment given in Annex II to EU Directive 2014 34 EU See the EU Declaration of Conformity at http w...

Страница 6: ...en applied in Zone 2 environments The enclosure must be accessible only by the use of a tool This equipment shall be used within its specified ratings defined by Rockwell Automation The instructions in the user manual shall be observed This equipment must be used only with ATEX certified Rockwell Automation backplanes Earthing is accomplished through mounting of modules on rail Devices shall be us...

Страница 7: ...oduits sont combinés 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 EXPLOSION HAZARD Do not disconnect equipment unless power has been remo...

Страница 8: ...e 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 4 Position the module 7 with its alignment bar 6 aligned with the groove 5 on the terminal base Description Description 1 Flexbus connector 5 Groove 2 Latching mecha...

Страница 9: ...16 33 row B The V AC common L2 terminals of row B and the odd numbered terminals of row A are internally connected together For 1794 TBN or 1794 TBNF Connect the associated V AC common L2 lead of the output device to the corresponding odd numbered terminal on the 34 51 row C for each output as indicated in the Wiring Connections for 1794 OA8 and 1794 OA8K table The odd numbered terminals of row C ...

Страница 10: ... 6 A 7 B 23 B 6 C 7 4 A 8 A 9 B 25 B 8 C 9 5 A 10 A 11 B 27 B 10 C 11 6 A 12 A 13 B 29 B 12 C 13 7 A 14 A 15 B 31 B 14 C 15 A Output terminals Even numbered terminals 0 14 B Common terminals C Power terminals C 34 and C 51 on 1794 TB2 C 34 C 51 on 1794 TB3 and 1794 TB3S B Even numbered output terminals 0 14 AC common terminals 16 and 33 C Power terminals C 34 and C 51 and odd numbered output termi...

Страница 11: ...ch output as indicated in the Wiring Connections for 1794 OA8I table For 1794 TBN or 1794 TBNF Connect the associated VAC power L1 lead to the odd numbered terminals on row C IMPORTANT Individual isolated 120V AC common L2 leads must be run externally to each output device WARNING When used in a Class I Division 2 hazardous location this equipment must be mounted in a suitable enclosure with prope...

Страница 12: ...ustomer connections C Odd numbered 120V AC supply L1 terminals 1 15 for customer connections from isolated power supply 0 A 0 A 1 B 0 C 1 1 A 2 A 3 B 2 C 3 2 A 4 A 5 B 4 C 5 3 A 6 A 7 B 6 C 7 4 A 8 A 9 B 8 C 9 5 A 10 A 11 B 10 C 11 6 A 12 A 13 B 12 C 13 7 A 14 A 15 B 14 C 15 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...

Страница 13: ...channel Connect the L2 side of the load together and then connect to L2 on the power supply 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 120V AC common L2 ...

Страница 14: ... 17 B 0 1 A 1 B 18 C 1 2 A 2 B 19 B 2 3 A 3 B 20 C 3 4 A 4 B 21 B 4 5 A 5 B 22 C 5 6 A 6 B 23 B 6 7 A 7 B 24 C 7 8 A 8 B 25 B 8 9 A 9 B 26 C 9 10 A 10 B 27 B 10 11 A 11 B 28 C 11 12 A 12 B 29 B 12 13 A 13 B 30 C 13 14 A 14 B 31 B 14 15 A 15 B 32 C 15 120V AC L1 power Connect V AC L1 to C 34 1794 TB3 1794 TB3S Power terminals C 34 C 51 are internally connected together 1794 TB2 and 1794 TBN C 34 an...

Страница 15: ...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 Commons 1794 TB3 shown Connect 120V AC common L2 to terminal B 16 Connect 120V AC power L1 to terminal C 34 L2 IN L2 OUT Voltage A B C Use B 33 and C 51 for daisy chaining power to the next terminal base unit L1 IN L1 OUT Terminals C 35 C 50 are not present on the 1794...

Страница 16: ...103D EN P July 2018 Image Table Memory Map for the 1794 OA16 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 O15 O14 O13 O12 O11 O10 O9 O8 O7 O6 O5 O4 O3 O2 O1 O0 Where O Output number ...

Страница 17: ...ficient to operate an Allen Bradley Bulletin 500 NEMA size 3 motor starter 750 mA per output 35 C 1 0 A on 4 non adjacent outputs 500 mA on the remaining 4 outputs 30 C On state voltage drop max 1 0V 0 5 A Surge current 7 A for 40 ms repeatable every 8 seconds Off state leakage current max 2 25 mA Isolation voltage 120V continuous field to backplane Tested 1250V AC for 60 s No isolation between in...

Страница 18: ...V AC Output current rating 1 4 0 A 16 outputs 250 mA On state current min 5 0 mA per output On state current max 2 500 mA per output 55 C On state voltage drop max 1 5V 0 5 A Surge current 7 A for 40 ms repeatable every 8 seconds Off state leakage current max 2 25 mA Isolation voltage 120V continuous field to backplane Tested 1250V AC for 60 s No isolation between individual channels Output signal...

Страница 19: ...1794 OA8I 96 g 3 38 oz 1794 OA16 Indicators field side indication 8 yellow status indicators 1794 OA8 1794 OA8K 1794 OA8I 16 yellow status indicators 1794 OA16 External AC power supply voltage 120V AC External AC power voltage range 85 132V AC 1794 OA8 1794 OA8K 1794 OA8I 74 132V AC 1794 OA16 Keyswitch position 8 Pilot duty rating 5 A Inrush North American temp code T4A 1794 OA8 1794 OA8K 1794 OA8...

Страница 20: ...IEC 60068 2 30 Test Db Unpackaged Damp Heat 5 95 non condensing 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 IEC 61000 6 4 ESD immunity IEC 61000 4 2 6kV contact discharges 8 kV air discharges Radiated RF immunity IEC 61000 4 3 10V m with 1 kHz sine wave 80...

Страница 21: ...1000 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 1794 OA16 European Union 2011 65 EU RoHS compliant with EN 50581 Technical documentation Ex 1794 OA8K European Union 94 9 EC ATEX Directive compliant with EN 60079 15 2010 Potentially Explosive Atmospheres Protection n EN 600...

Страница 22: ...l 51 C 0 72 10 20 30 40 50 55 60 V in On state Voltage V AC Ambient Temperature oC The area within the curve represents the safe operating range for the module under various conditions of user supplied 120V AC supply voltages and ambient temperatures Other mounting positions including inverted horizontal vertical safe operating range 80 88 96 102 110 115 120 132 51 Normal mounting safe operating r...

Страница 23: ...FLEX I O AC Digital Output Modules 23 Publication 1794 IN103D EN P July 2018 Notes ...

Страница 24: ...onal when shipped from the manufacturing facility 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 suggestions on how to improve this document complete this form publication RA DU002 available at http www rockwellautomation com literature United States ...

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