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    FLEX I/O Digital DC Output Modules 

Publication 1794-IN094C-EN-P - July 2015

Indicators (field side indication)

(1794-OB8)

 

8 yellow status indicators

(1794-OB8EP)

 

8 yellow status indicators

 

8 red fault indicators

(1794-OB16, 1794-OB16P)

 

16 yellow status indicators

(1794-OB32P)

 

32 yellow status indicators

External DC power supply voltage, nom 24V DC

External DC power voltage range

(1794-OB8, 1794-OB16, 1794-OB16P, 1794-OB32P)

 

10...31.2V DC (includes 5% AC ripple)

(1794-OB8EP)

 

19.2...31.2V DC (includes 5% AC ripple)

External DC power supply current

(1794-OB8)

 

25 mA @ 24V DC (10...35 mA)

(1794-OB8EP)

 

80 mA @ 24V DC

(1794-OB16)

 

49 mA @ 24V DC (20...65 mA)

(1794-OB16P)

 

60 mA @ 24V DC (25...75 mA) (see Derating Curve)

(1794-OB32P)

 

219 mA @ 24V DC (104 mA @ 10V DC; 278 mA @ 31.2V DC)

North American temp code

(1794-OB8, 1794-OB8EP, 1794-OB16)

 

T4A

(1794-OB16P, 1794-OB32P)

 

T3C

IEC temp code

(1794-OB8, 1794-OB8EP, 1794-OB16)

 

T4

(1794-OB16P)

 

T3

Keyswitch position

2

Enclosure type rating

None (open-style)

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 Industrial Automation Wiring 
and Grounding Guidelines, publication 

1770-4.1

.

General Specifications

Attribute

Value

Содержание FLEX I/O 1794-OB16

Страница 1: ...mportant User Information 2 Environment and Enclosure 3 Preventing Electrostatic Discharge 3 European Hazardous Location Approval 4 North American Hazardous Location Approval 5 Installing Your Digital...

Страница 2: ...tallation 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...

Страница 3: ...event personal injury resulting from accessibility to live parts The interior of the enclosure must be accessible only by the use of a tool Subsequent sections of this publication may contain addition...

Страница 4: ...irective The examination and test results are recorded in confidential report No 28 682 010 Compliance with the Essential Health and Safety Requirements has been assured by compliance with EN 50021 IM...

Страница 5: ...eurs produits sont combin s dans un syst me 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 c...

Страница 6: ...occur This could cause an explosion in hazardous location installations Be sure that power is removed or the area is nonhazardous before proceeding Compatibility The following communication adapters a...

Страница 7: ...or 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...

Страница 8: ...Connect the associated V output common to the corresponding terminal on the 16 33 row B for each output as indicated in the table below Commons are internally connected together 1794 OB8EP connect ass...

Страница 9: ...OB16 and 1794 OB16P Outputs 0 15 Output Terminal Common Terminal Output 0 A 0 B 17 Output 1 A 1 B 18 Output 2 A 2 B 19 Output 3 A 3 B 20 Output 4 A 4 B 21 Output 5 A 5 B 22 Output 6 A 6 B 23 Output 7...

Страница 10: ...B 4 C 5 Output 3 A 6 A 7 B 23 B 6 C 7 Output 4 A 8 A 9 B 25 B 8 C 9 Output 5 A 10 A 11 B 27 B 10 C 11 Output 6 A 12 A 13 B 29 B 12 C 13 Output 7 A 14 A 15 B 31 B 14 C 15 V DC C 34 to C 51 C 34 and C 5...

Страница 11: ...oltage Out V Voltage Terminals 35 thru 50 not available on 1794 TB2 A B C Common V Common Use B 33 and C 51 for daisy chaining to next terminal base unit Total current draw through the terminal base i...

Страница 12: ...ctions for 1794 OB32P table 5 Connect the associated power to the V2 terminal 43 45 47 or 49 on the 34 51 row C as indicated in the Wiring Connections for 1794 OB32P table 6 Connect the associated out...

Страница 13: ...Base Unit Output Output Terminal Common Power Output 0 A 0 Connect common to terminals 36 38 40 and 42 Connect power to terminals 35 37 39 and 41 Output 1 A 1 Output 2 A 2 Output 3 A 3 Output 4 A 4 O...

Страница 14: ...t 24 B 25 Output 25 B 26 Output 26 B 27 Output 27 B 28 Output 28 B 29 Output 29 B 30 Output 30 B 31 Output 31 B 32 For Outputs 0 15 use V1 and COM1 V1 DC power Power terminals 35 37 39 and 41 Com1 DC...

Страница 15: ...0 corresponds to output 0 O1 corresponds to output 1 and so on F Overload fault bit 1 fault present 0 no fault FR Fault reset bit 1 reset output 0 no change Note The unused lower byte in read word 1 f...

Страница 16: ...ont of the module or toggle the output reset bit write word 1 bit 08 or cycle backplane power Using the Reset Button on the 1794 OB8EP When you press the reset button the fault indicator for the fault...

Страница 17: ...OB8 1794 OB16 1794OB16P and 1794 OB32P Modules 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 Write O15 O14 O13 O12 O11 O10 O9 O8 O7 O6 O5 O4 O3 O...

Страница 18: ...current max 0 5 mA Isolation voltage 50V continuous Basic Insulation Type Tested at 850V DC for 1 s between user and system No isolation between individual channels Output signal delay 1 Off to On On...

Страница 19: ...or 50 ms repeatable every 3 seconds Off state leakage current max 0 5 mA Isolation voltage 50V continuous Basic Insulation Type Tested at 850V DC for 1 s between field side and system No isolation bet...

Страница 20: ...epeatable every 2 seconds Off state leakage current max 0 5 mA Isolation voltage 50V continuous Basic Insulation Type Tested at 850V DC for 1 s between user and system No isolation between individual...

Страница 21: ...r 50 ms repeatable every 2 seconds Off state leakage current max 0 5 mA Isolation voltage 50V continuous Basic Insulation Type Type tested at 850V DC for 60 s between field side and system No isolatio...

Страница 22: ...wer supply current 1794 OB8 25 mA 24V DC 10 35 mA 1794 OB8EP 80 mA 24V DC 1794 OB16 49 mA 24V DC 20 65 mA 1794 OB16P 60 mA 24V DC 25 75 mA see Derating Curve 1794 OB32P 219 mA 24V DC 104 mA 10V DC 278...

Страница 23: ...ibration 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 CISPR 11 Grou...

Страница 24: ...lue c UL us UL Listed Industrial Control Equipment certified for US and Canada See UL File E65584 UL Listed for Class I Division 2 Group A B C D Hazardous Locations certified for U S and Canada See UL...

Страница 25: ...n DEMKO 14ATEX1342501X II 3 G Ex nA IIC T4 Gc 1794 OB8EP III 3 G Ex nA IIC T3 Gc 1794 OB16P EC 60079 0 6th Edition IEC 60079 15 4th Edition T V 1794 OB8EP 1794 OB16 1794 OB16P only T V Certified for F...

Страница 26: ...ve represents the safe operating range for the module under various conditions of user supplied 24V DC supply voltages and ambienttemperatures Normal mounting safe operating range includes Other mount...

Страница 27: ...FLEX I O Digital DC Output Modules 27 Publication 1794 IN094C EN P July 2015 Notes...

Страница 28: ...operational 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 s...

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