Allen-Bradley Flex I/O Manuale utente

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

(Cat. No. 1794-ASB Series B)

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Installation Instructions

FLEX I/O Remote I/O Adapter2







If this product has the CE mark it is approved for installation within the

European Union and EEA regions. It has been designed and tested to meet

the following directives.



This product is tested to meet Council Directive 89/336/EEC

Electromagnetic Compatibility (EMC) and the following standards, in

whole or in part, documented in a technical construction file:

•EN 50081-2EMC – Generic Emission Standard, Part 2 – Industrial

Environment

•EN 50082-2EMC – Generic Immunity Standard, Part 2 – Industrial

Environment

This product is intended for use in an industrial environment.





This product is tested to meet Council Directive 73/23/EEC Low Voltage,

by applying the safety requirements of EN 61131–2 Programmable

Controllers, Part 2 – Equipment Requirements and Tests.

For specific information required by EN 61131-2, see the appropriate

sections in this publication, as well as the following Allen-Bradley

publications:

•Industrial Automation Wiring and Grounding Guidelines For Noise

Immunity, publication 1770-4.1

•Guidelines for Handling Lithium Batteries, publication AG-5.4

•Automation Systems Catalog, publication B111

FLEX I/O Remote I/O Adapter 3

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

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1. Position the remote I/O adapter module A on a 35 x 7.5mm DIN rail

B(A-B pt. no. 199-DR1; 46277-3; EN 50022) at a slight angle.

2. Hook the lip on the rear of the adapter (A) onto the top of the DIN rail

(B), and rotate the adapter module onto the rail.

3. Press the adapter module down onto the DIN rail until flush. Locking

tab (C) will snap into position and lock the adapter module to the DIN

rail.

4. If the adapter module does not lock in place, use a screwdriver or

similar device to move the locking tab down while pressing the

adapter module flush onto the DIN rail and release the locking tab to

lock the adapter module in place. If necessary, push up on the locking

tab to lock.

5. Connect the adapter wiring as shown under “Wiring” later in this

document.

NOTE: For Panel/Wall mounting, refer to publication 1794-5.13, “Panel

Mounting Kit, Cat. No. 1794-NM1.”

FLEX I/O Remote I/O Adapter4

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1. Connect the remote I/O cable to the removable remote I/O connector.

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2. Connect +24V dc input to the left side of the lower connector,

terminal E.

3. Connect 24V common to the left side of the upper connector,

terminal D.

4. Connections Gand Fare used to pass 24V dc power (G) and 24V

common (F) to the next module in the series (if required).

FLEX I/O Remote I/O Adapter 5

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The adapter switches are located under a flip-open cover on the front of

the adapter. Set the switches as shown below.

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FLEX I/O Remote I/O Adapter6

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First I/O Group I/O Rack Number

S1-8 S1-7 Module roup

S1-6 thru S1-1

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S2-8 S2-7 Hold Inputs S2-6

Last Adapter

S2-5

Reply Delay

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Communication

Rate

Processor Restart

Lockout

Hold Last State

S2-4 S2-3 Bits/s S2-2 Processor: S2-1

Processor will:

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  %

  %

FLEX I/O Remote I/O Adapter 7

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Rack Number S1 S itch Position

1747ĆSN PLC-2 &

1771ĆSN PLC-5 PLC-5/250 PLC-3 6 5 4 3 2 1

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  

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 

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 

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     

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     

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FLEX I/O Remote I/O Adapter8

'&"!)"( $

S1 S itch PositionRack Number

123456

PLC-3PLC-5/250PLC-5

PLC-2 &

1771ĆSN

1747ĆSN

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FLEX I/O Remote I/O Adapter 9

ublication 1794Ć5.11 - November 1996

1794ĆASB

Specifications

I/O Capacity

8 modules

ower Supply

Note:

In order to comply with CE Low V

oltage

Directives, you must use a Safety Extra Low

oltage (SEL

V) or a rotected Extra Low

oltage ( EL

V) power supply to power this

adapter.

Input V

oltage Rating

24V dc nominal

Input V

oltage Range

19.2V to 31.2V dc (includes 5% ac ripple)

Communication Rate

57.6k bps

15.2k bps

230.4k bps

Indicators

Adapter Active - green

Adapter fault - red

Local fault - red

Flexbus Output Current

640mA maximum

Isolation Voltage

100% tested at 850V dc for 1s between user

power and flexbus

ower Consumption

450mA maximum from external 24V supply

ower Dissipation

4.6W maximum @ 31.2V dc

Thermal Dissipation

15.7 BTU/hr @ 31.2V dc

Environmental Conditions

Operational Temperature

Storage Temperature

Relative Humidity

Shock Operating

NonĆoperating

Vibration

0 to 55

C (32 to 131

oF)

-40 to 85

C (-40 to 185

oF)

5 to 95% noncondensing

30 g peak acceleration, 1

1(+1)ms pulse width

50 g peak acceleration, 1

1(+1)ms pulse width

ested 5 g @ 10-500Hz per IEC 68Ć2Ć6

Remote I/O Cable

Belden 9463 or equivalent as specified in

publication ICCGĆ2.2

ower Conductors

Wire Size

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