Allen-Bradley ArmorPoint A Series Manuale utente

1Publication 1738-IN001A-EN-E - June 2004

Installation Instructions

ArmorPoint 24V dc Output Modules, Series A

(Cat. No. 1738-OB8EM12, -OB8EM8, -OB4EM12, -OB4EM8,

-OB2EM12, -OB2EPM12, -OV4EM12)

The ArmorPoint™ I/O family (Cat. no. 1738) consists of modular I/O

modules. The sealed IP67 housing of these modules requires no

enclosure. (Note that environmental requirements other than IP67

may require an additional appropriate housing.) I/O connectors are

sealed M8 (pico) or M12 (micro) styles. The mounting base ships with

the module. The 1738-OB8EM12 and 1738-OB8EM8 modules are

shown below.

1738-OB8EM8/A

24V dc 0.5Amp

Out

MOD

NET

MOD

NET

1738-OB8EM12/A

24V dc Out

Connector M12-A

LED Indicators

43676

1738-OB8EM12

Connector M12-C

Connector M12-B

Connector M12-D

43684

Connector M8-A

1738-OB8EM8

Connector M8-G

Connector M8-B

Connector M8-D

Connector M8-C

Connector M8-E Connector M8-F

Connector M8-G

LED Indicator

Allen-Bradley Replacements

Publication 1738-IN001A-EN-E - June 2004

2ArmorPoint 24V dc Output Modules, Series A

Important User Information

Solid state equipment has operational characteristics differing from those of electromechanical equipment.

Safety Guidelines for the Application, Installation and Maintenance of Solid State Controls (Publication

SGI-1.1 available from your local Rockwell Automation sales office or online at

http://www.ab.com/manuals/gi) describes some important differences between solid state equipment

and hard-wired electromechanical devices. Because of this difference, and also because of the wide

variety of uses for solid state equipment, all persons responsible for applying this equipment must satisfy

themselves that each intended application of this equipment is acceptable.

In no event will Rockwell Automation, Inc. be responsible or liable for indirect or consequential damages

resulting from the use or application of this equipment.

The examples and diagrams 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 described in this manual.

Reproduction of the contents of this manual, in whole or in part, without written permission of Rockwell

Automation, Inc. is prohibited.

Throughout this manual we use notes to make you aware of safety considerations.

WARNING Identifies information about practices or circumstances that can cause an explosion in a

hazardous environment, which may lead to personal injury or death, property damage,

or economic loss.

IMPORTANT Identifies information that is critical for successful application and understanding of the

product.

ATTENTION Identifies information about practices or circumstances that can lead to personal injury or

death, property damage, or economic loss. Attentions help you:

•identify a hazard

•avoid a hazard

•recognize the consequence

SHOCK HAZARD

Labels may be located on or inside the equipment to alert people that dangerous voltage

may be present.

BURN HAZARD Labels may be located on or inside the equipment to alert people that surfaces may be

dangerous temperatures.

Publication 1738-IN001A-EN-E - June 2004

ArmorPoint 24V dc Output Modules, Series A 3

ATTENTION Environment and Enclosure

This equipment is intended for use in overvoltage

Category II applications (as defined in IEC

publication 60664-1), at altitudes up to 2000 meters

without derating.

This equipment is considered Group 1, Class A

industrial equipment according to IEC/CISPR

Publication 11. Without appropriate precautions,

there may be potential difficulties ensuring

electromagnetic compatibility in other environments

due to conducted as well as radiated disturbance.

This equipment is supplied as "enclosed"equipment.

It should not require additional system enclosure

when used in locations consistent with the enclosure

type ratings stated in the Specifications section of this

publication. Subsequent sections of this publication

may contain additional information regarding

specific enclosure type ratings, beyond what this

product provides, that are required to comply with

certain product safety certifications.

NOTE: See NEMA Standards publication 250 and

IEC publication 60529, as applicable, for

explanations of the degrees of protection provided

by different types of enclosure. Also, see the

appropriate sections in this publication, as well as

the Allen-Bradley publication 1770-4.1 ("Industrial

Automation Wiring and Grounding Guidelines"), for

additional installation requirements pertaining to this

equipment.

Allen-Bradley Replacements

Publication 1738-IN001A-EN-E - June 2004

4ArmorPoint 24V dc Output Modules, Series A

Mount the I/O Base

To mount the ArmorPoint I/O base on a wall or panel, use the screw

holes provided in the ArmorPoint base.

A mounting illustration for the ArmorPoint base with an adapter is

shown below.

ATTENTION Preventing Electrostatic Discharge

This equipment is sensitive to electrostatic discharge,

which can cause internal damage and affect normal

operation. Follow these guidelines when you handle

this equipment:

•Touch a grounded object to discharge potential

static.

•Wear an approved grounding wriststrap.

•Do not touch connectors or pins on component

boards.

•Do not touch circuit components inside the

equipment.

•If available, use a static-safe workstation.

•When not in use, store the equipment in

appropriate static-safe packaging.

IMPORTANT The ArmorPoint I/O module must be mounted on a

grounded metal mounting plate or other conductive

surface.

43769

4.02 in.

102 mm

1.81 in.

46 mm

Adapter

1.9 in.

47.2 mm

2.0 in.

50 mm

0.87 in.

22 mm

2.0 in.

50 mm

0.87 in.

22 mm

2.0 in.

50 mm

Publication 1738-IN001A-EN-E - June 2004

ArmorPoint 24V dc Output Modules, Series A 5

Install the mounting base as follows:

1. Lay out the required points as shown above in the drilling

dimension drawing.

2. Drill the necessary holes for #8 (M4) machine or self-tapping

screws.

3. Mount the base using #8 (M4) screws.

4. Ground the system using the ground lug connection. (The

ground lug connection is also a mounting hole.)

Ground lug connection

Latching mechanism

Keyswitch-

Set to position 1 for

the 1738 digital

output modules

Mounting base

43675

Allen-Bradley Replacements

Publication 1738-IN001A-EN-E - June 2004

6ArmorPoint 24V dc Output Modules, Series A

Install the ArmorPoint

Digital Output Module

To install the ArmorPoint digital output module, proceed as follows.

1. Using a bladed screwdriver, rotate the keyswitch on the

mounting base clockwise until the number 1 aligns with the

notch in the base.

2. Position the module vertically above the mounting base. The

module will bridge two bases.

3. Push the module down until it engages the latching mechanism.

You will hear a clicking sound when the module is properly

engaged.

The locking mechanism will lock the module to the base.

Remove the ArmorPoint Digital Output Module From the

Mounting Base

To remove the module from the mounting base:

1. Put a flat blade screwdriver into the slot of the orange latching

mechanism.

2. Push the screwdriver toward the I/O module to disengage the

latch.

The module will lift up off the base.

3. Pull the module off of the base.

MOD

NET

1738-OB8EM12/A

24V dc Out

Module will bridge two bases.

43771

Publication 1738-IN001A-EN-E - June 2004

ArmorPoint 24V dc Output Modules, Series A 7

Wire the Output Modules

Following are wiring instructions for the ArmorPoint output modules.

1738-OB2EM12, 1738-OB2EPM12, 1738-OV4EM12, and

1738-OB4EM12

1738-OB4EM8 and 1738-OB8EM8

1738-OB8EM12

ATTENTION Make sure all connectors and caps are securely

tightened to properly seal the connections against

leaks and maintain IP67 requirements.

(view into connector)

Pin 1 - 24V dc

Pin 2 - No Connect

Pin 3 - Common

Pin 4 - Output 0 (M12-A)

Output 1 (M12-B)

Output 2 (M12-C) (1738-OV4EM12 and-OB4EM12 only)

Output 3 (M12-D) (1738-OV4EM12 and-OB4EM12 only)

Pin 5 - No Connect

43664

43583

(view into connector)

Pin 1 - 24V dc

Pin 3 - Common

Pin 4 - Output0 (M8-A)

Output 1 (M8-B)

Output 2 (M8-C)

Output 3 (M8-D)

Output 4 (M8-E) (1738-OB8EM8 module only)

Output 5 (M8-F) (1738-OB8EM8 module only)

Output 6 (M8-G) (1738-OB8EM8 module only)

Output 7 (M8-H) (1738-OB8EM8 module only)

(view into connector)

Pin 1 - 24V dc

Pin 2 - Output 1 (M12-A) Pin 4 - Output 0 (M12-A)

Output 3 (M12-B) Output 2 (M12-B)

Output 5 (M12-C) Output 4 (M12-C)

Output 7 (M12-D) Output 6 (M12-D)

Pin 3 - Common Pin 5 - No Connect

43664

Allen-Bradley Replacements

Publication 1738-IN001A-EN-E - June 2004

8ArmorPoint 24V dc Output Modules, Series A

Communicate With

Your Module

I/O messages are sent to (consumed) and received from (produced)

the ArmorPoint I/O modules. These messages are mapped into the

processor’s memory. These ArmorPoint I/O output modules produce

1 byte of input data (scanner Rx - status). They consume 1 byte of I/O

data (scanner Tx).

Default Data Map for the ArmorPoint Output Modules

1738-OB2EM12 and -OB2EPM12

Message size: 1 Byte

1738-OB4EM12, -OB4EM8, -OV4EM12

Message size: 1 Byte

1738-OB8EM12, -OB8EM8

Message size: 1 Byte

765432 1 0

Produces

(scanner Rx) Not Used Ch1 Ch0 Channel status

Consumes

(scanner Tx) Not Used Ch1 Ch0 Output state

Where: Channel status 0 = no error, 1 = error; Output state 0 = off, 1 = on

7 6 5 4 3 2 1 0

Produces

(scanner Rx) Not Used Ch3 Ch2 Ch1 Ch0 Channel status

Consumes

(scanner Tx) Not Used Ch3 Ch2 Ch1 Ch0 Output state

Where: Channel status 0 = no error, 1 = error; Output state 0 = off, 1 = on

76543210

Produces

(scanner Rx) Ch7 Ch6 Ch5 Ch4 Ch3 Ch2 Ch1 Ch0 Channel status

Consumes

(scanner Tx) Ch7 Ch6 Ch5 Ch4 Ch3 Ch2 Ch1 Ch0 Output state

Where: Channel status 0 = no error, 1 = error; Output state 0 = off, 1 = on

Publication 1738-IN001A-EN-E - June 2004

ArmorPoint 24V dc Output Modules, Series A 9

Troubleshoot with

the Indicators

Indication Probable Cause

Module Status

Off No power applied to device

Green Device operating normally

Flashing Green Device needs commissioning due to missing, incomplete, or

incorrect configuration

Flashing Red Recoverable fault

Red Unrecoverable fault - may require device replacement

Flashing Red/Green Device is in self-test

Indication Probable Cause

Network Status

Off Device is not on line:

- Device has not completed dup_MAC-id test.

- Device not powered - check module status indicator.

Flashing Green Device is on line but has no connections in the established state.

Green Device is on line and has connections in the established state.

Flashing Red One or more I/O connections in timed-out state.

Red Criticallinkfailure-failedcommunicationdevice.Devicedetected

error that prevents it from communicating on the network.

Flashing Red/Green Communication faulted device - the device has detected a

network access error and is in communication faulted state.

Device has received and accepted an Identity Communication

Faulted Request - long protocol message.

MOD

NET

1738-OB8EM12/A

24V dc Out

Module Status Indicators

43676

1738-OB8EM12

Network Status Indicators

I/O Status Indicators

Allen-Bradley Replacements

Publication 1738-IN001A-EN-E - June 2004

10 ArmorPoint 24V dc Output Modules, Series A

Specifications

Following are specifications for the 1738 ArmorPoint digital output

modules.

Indication Probable Cause

I/O Status

Off Output is inactive

Yellow Output is active and under control

Flashing Red Open circuit detection. No load. (Off-State only)

Red Short circuit detected. (On-State only)

ArmorPoint Digital Output Modules

Outputs per Module 1738-OB2E - 2 (1 group of 2) nonisolated, sourcing

1738-OB2EP - 2 (1 group of 2) nonisolated, sourcing

1738-OB4E - 4 (1 group of 4) nonisolated, sourcing

1738-OV4E - 4 (1 group of 4) nonisolated, sinking

1738-OB8E - 8 (1 group of 8) nonisolated, sourcing

Voltage Drop, On-State Output, Maximum 0.2V dc (sourcing modules)

0.7V dc (sinking module)

Voltage, Off-State Output, Maximum 28.8V dc

Voltage, On-State Output,

Maximum

Minimum

Nominal

28.8V dc

10V dc

24V dc

Output Current Rating 1738-OB2E - 1.0 A per channel, not to exceed 2.0 A maximum per module

1738-OB2EP - 2.0 A per channel, 4.0 A maximum per module

1738-OB4E and -OB8E - 1.0 A per channel, not to exceed 3.0 A maximum per module

1738-OV4E - 1.0 A per channel, not to exceed 4.0 A maximum per module

Output Surge Current, Maximum 2 A for 10 ms, repeatable every 3 seconds

1738-OB2EP - 2 A, electronically protected

Current Leakage, Off-State Output, Maximum 0.5 mA

Current, On-State Output Minimum 1.0 mA per channel

Output Delay Time OFF to ON, Maximum10.1 ms

Output Delay Time, ON to OFF, Maximum10.1 ms

Output Point Density 2, 4, 8

External DC Power Supply Current 8 mA (2 connector module)

16 mA (4 connector modules)

32 mA (8 connector modules)

External DC Power Supply Voltage Range 10-28.8V dc

External DC Power Supply Voltage Nominal 24V dc

Keyswitch Position 1

General Specifications

LED Indicators 2, 4, or 8 yellow/red output status, logic side

1 green/red network status, logic side

1 green/red module status, logic side

PointBus Current, Maximum 75 mA @ 5V dc

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