Allen-Bradley ArmorBlock MaXum B Series Manuale utente

Publication 1792D-IN001B-EN-P - September 2000

Installation Instructions

ArmorBlock MaXum I/O Cable Bases

DeviceNet Powered Outputs Series B

(Cat. No. 1792D-CB12JP and -CB18JP)

This version of the ArmorBlock MaXum™cable base lets you provide

power to outputs using DeviceNet™power. No additional auxiliary

power cabling is needed. The ArmorBlock MaXum Ι/Ο cable bases

mate with 4 or 8 connector modules, depending on your installation

requirements. No modification is required. Modules are

interchangeable with round media cable bases. This

interchangeability provides plug and play block upgrade capability

and easy field replacement. The completely assembled ArmorBlock

module and base requires no enclosure.

These instructions describe the installation of each cable base. The

catalog numbers for the cable bases are:

•1792D-CB12JP for 12mm drop cable installation, see page 5

•1792D-CB18JP for 18mm trunk or drop cable installation, see

page 6

42273CB12JP CB18JP

2ArmorBlock MaXum I/O Cable Bases DeviceNet Powered Outputs Series B

Publication 1792D-IN001B-EN-P - September 2000

(Please note: ArmorBlock MaXum modules and flat or round media

cables are ordered and shipped separately.)

European Union Directive Compliance

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.

EMC Directive

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 50081-2 EMC - Generic Emission Standard, Part 2 -

Industrial Environment

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

Industrial Environment

This product is intended for use in an industrial environment.

Low Voltage Directive

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

•Automation Systems Catalog, publication B113 Powering

Outputs Using DeviceNet Power

ArmorBlock MaXum I/O Cable Bases DeviceNet Powered Outputs Series B 3

Publication 1792D-IN001B-EN-P - September 2000

Powering Outputs Using DeviceNet Power

You can power some output devices from the DeviceNet network.

The application must allow the voltage to remain within the

DeviceNet specification limits of 11-25V dc. Most actuators need to be

power than is practically available from DeviceNet. Also, the large

voltage variation of 11-25V that DeviceNet allows is typically beyond

the range over which most available actuators or output devices can

safely operate.

You can use DeviceNet power to operate output devices such as

hydraulic and pneumatic solenoid valves, pilot and stack lights, and

motor starter coils with the following caution:

ATTENTION

Do not let DeviceNet voltage at the relevant

node exceed the output device’s acceptable

voltage range. Output devices rated 24V dc

rarely are specified to operate below 19.2V dc or

-20% of their 24V dc rating. Many only operate

down to 20.4V dc or -15% of the rated voltage.

This means that the DeviceNet network design

must not let the available voltage drop below

19.2 volts, for example, instead of the 11 volts

that the DeviceNet specification allows. This

higher lower voltage limit, which is within the

DeviceNet specification, will actually restrict the

distance of the DeviceNet network from what

would be possible if actuators were not utilizing

the DeviceNet power.

IMPORTANT Design your network so that sufficient voltage is

available to operate the output device wherever it

is installed. This is especially important when it is

connected at the farthest location from the power

supply.

4ArmorBlock MaXum I/O Cable Bases DeviceNet Powered Outputs Series B

Publication 1792D-IN001B-EN-P - September 2000

Noise or Transient Protection

The typical actuators used in DeviceNet control systems utilize

inductive coils that generate transients when de-energized. Each

ArmorBlock MaXum output contains a diode which is across the load

device coil. As a precaution, also use an MOV varistor suppressor at

the 24V dc coil.

Package Contents for Cable Bases

Your package contains these installation instructions and the

following contents, depending on the base used:

(Please note: ArmorBlock MaXum modules are ordered and shipped

separately.)

Install Your ArmorBlock MaXum Cable Bases

To install the 1792-CB12JP and -CB18JP cable bases:

•Mount the cable base

•Attach the module to the base

•Attach the cables

These steps are discussed in the following procedures.

ATTENTION

Do not use DeviceNet power on dc coil

actuators that use economizing coils to operate.

They have high inrush currents.

1792D-CB12JP 1792D-CB18JP

one ArmorBlock 12mm cable base one ArmorBlock 18mm cable base

one 12mm protective cap two 18mm protective caps

ArmorBlock MaXum I/O Cable Bases DeviceNet Powered Outputs Series B 5

Publication 1792D-IN001B-EN-P - September 2000

Mount the Cable Base

The cable base can be mounted either vertically or horizontally, using

3 screws. Cable bases accommodate 4 or 8 connector ArmorBlock

MaXum modules. You must allow additional space for installation of

8 connector ArmorBlock MaXum modules. They are longer than the 4

connector modules.

A mounting illustration for the 1792D-CB12JP is below.

4227

When

installing a

cable base

with an 8

connector

module,

allow for

the

additional

length.

1.90in.

48.18mm

2.70in.

68.5mm

1.42in.

36mm

0.26in.

6.5mm

4.21in.

107mm

5.71in.

145mm

5.71in.

145mm

0.18in.

4.6mm

4 connector

module

1.35in.

34.25mm

2.05in.

52mm

1.24in.

31.5mm

1.10in.

28mm

0.60in.

15.3mm

7.84in.

199mm

8 connector

module

12mm

1792D-CB12JP

6ArmorBlock MaXum I/O Cable Bases DeviceNet Powered Outputs Series B

Publication 1792D-IN001B-EN-P - September 2000

A mounting illustration for the 1792D-CB18JP is below.

42275

When

installing a

cable base

with an 8

connector

module,

allow for

the

additional

length.

2.70in.

68.5mm

0.791in.

20.1mm

1.90in.

48.18mm

8.23in.

209mm

8 connector

module

4.00in.

101.5mm 1.34in.

34mm

1.63in.

41.5mm

1.35in.

34.25mm

0.764in.

19.4mm

6.10in

155mm

4 connector

module

4.21in.

107mm

18mm

1792D-CB18JP

0.26in.

6.5mm 1.42in.

36mm

0.64in.

16.25mm

ArmorBlock MaXum I/O Cable Bases DeviceNet Powered Outputs Series B 7

Publication 1792D-IN001B-EN-P - September 2000

Attach the Module

1. Position the module over the mounted cable base. Align the

three captive screws in the module with the accepting

receptacles in the base.

2. Tighten the screws with a torque of 8 inch-pounds to secure

the module to the base.

The 1792D-CB12JP module is shown below.

IMPORTANT Make sure you properly align the screws to

complete the connections between the module

contacts and the cable contacts cafeteria.

30834-M

Screws must be aligned

properly to complete

contact connections.

Contact

connections

8ArmorBlock MaXum I/O Cable Bases DeviceNet Powered Outputs Series B

Publication 1792D-IN001B-EN-P - September 2000

The 1792D-CB18JP module is shown below.

ArmorBlock MaXum I/O modules are described in the following

publications:

•1792D series of ArmorBlock MaXum Installation Instructions

•1792-TD001B-EN-P - ArmorBlock Technical Data

The DeviceNet Network uses advanced network technology,

producer/consumer communication, to increase network

functionality and throughput. Visit our web site at

http://www.ab.com/networks for producer/consumer technology

information and updates.

42276

Screws must be aligned

properly to complete

contact connections.

Contact

connections

ArmorBlock MaXum I/O Cable Bases DeviceNet Powered Outputs Series B 9

Publication 1792D-IN001B-EN-P - September 2000

Attach the Cables (1792D-CB12JP)

1. Attach your network cable to the connector.

Note: The network cable drops straight down away from the

module.

2. Attach your I/O cables.

Note: I/O cables drop at a 45 degree angle because of the pin

settings, if you use a right angle connector.

3. Cover any unused point connectors with micro caps.

42278

I/O cable with a right angle

connector

5 pin

network

connector

41583

DeviceNet Male Connector

Pin 1 Drain

Pin 2 V+

Pin 3 V-

Pin 4 CAN_H

Pin 5 CAN_L

10 ArmorBlock MaXum I/O Cable Bases DeviceNet Powered Outputs Series B

Publication 1792D-IN001B-EN-P - September 2000

Attach the Cables (1792D-CB18JP)

1. Attach your network cables to the connectors.

2. Attach your I/O cables.

Specifications

ArmorBlock MaXum I/O Cable Bases - Cat. No. 1792D-CB12JP and -CB18JP

General Specifications

For general specifications, see the ArmorBlock MaXum module’s documentation or the

Technical Data, 1792-TD001B-EN-P. The specifications listed in these publications are for

the assembled module and cable base.

I/O cable with a right angle

connector

5 pin DeviceNet

In connector

5 pin DeviceNet

Out connector

Pin 1 Drain

Pin 2 V+

Pin 3 V-

Pin 4 CAN_H

Pin 5 CAN_L

41876

41878

DeviceNet In (pins) DeviceNet Out (sockets)

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