Allen-Bradley 1769-HSC Bedienungsanleitung

Installation Instructions

Compact I/O High-speed Counter

Module

Catalog Number

1769-HSC

About the Module

The 1769-HSC module has six differential DC inputs that can be used as two to four high-speed

counters. The module has 4 sourcing DC outputs and 12 additional ‘virtual’ outputs. The

counters provide accumulated pulse counts to the input array of the module and can cause

onboard outputs to react to input conditions at high speed.

The module is compatible with CompactLogix controllers, MicroLogix 1500 controllers , and

the 1769-ADN DeviceNet adapter.

Topic Page

Important User Information 2

EnvironmentandEnclosure 3

North American Hazardous Location Approval 4

Module Features 5

Hardware Description 6

Module Installation 7

System Planning 8

System Assembly 8

System Mounting 10

Replace the Module within a System 12

Field Wiring Connections 13

Output Operation 20

Module Powerup 22

Temperature Derating 23

Specifications 26

Additional Resources 30

2Compact I/O High-speed Counter Module

Publication 1769-IN030B-EN-P - October 2010

Important User Information

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

SafetyGuidelinesfortheApplication, InstallationandMaintenanceof Solid StateControls(Publication SGI-1.1

available from your local Rockwell Automation sales office or online at

http://www.rockwellautomation.com/literature/) describes some important differences between solid-state

equipmentand hard-wiredelectromechanicaldevices. Because of this difference,andalsobecause of thewide

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, when necessary, 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.

ATTENTION: Identifiesinformation about practices orcircumstances thatcan leadto personal

injury or death,propertydamage, oreconomic loss. Attentionshelp you identify a hazard,avoid

a hazard and recognize the consequences.

SHOCK HAZARD: Labels may be on or inside the equipment, for example, drive or motor, to

alert people that dangerous voltage may be present.

BURN HAZARD: Labels may be on or inside the equipment, for example, drive or motor, to

alert people that surfaces may reach dangerous temperatures.

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

product.

Compact I/O High-speed Counter Module 3

Publication 1769-IN030B-EN-P - October 2010

Environment and Enclosure

Prevent Electrostatic Discharge

ATTENTION: This equipment is intended for use in a Pollution Degree 2 industrial

environment, in overvoltage Category II applications (as defined in IEC

publication 60664-1), at altitudes up to 2000 m (6562 ft) without derating.

This equipment is considered Group 1, Class A industrial equipment according to

IEC/CISPR 11. Without appropriate precautions, there may be difficulties with

electromagnetic compatibility in residential and other environments due to

conducted and radiated disturbances.

This equipment is supplied as open-type equipment. It must be mounted within an

enclosurethatissuitablydesignedforthose specificenvironmentalconditionsthat

willbepresentandappropriatelydesignedtopreventpersonalinjuryresultingfrom

accessibility to live parts. The enclosure must have suitable flame-retardant

properties to prevent or minimize the spread of flame, complying with a flame

spread rating of 5VA, V2, V1, V0 (or equivalent) if non-metallic. The interior of the

enclosure must be accessible only by the use of a tool. Subsequent sectionsofthis

publication may contain additional information regarding specific enclosure type

ratings that are required to comply with certain product safety certifications.

In addition to this publication, see:

•Industrial Automation Wiring and Grounding Guidelines, Rockwell Automation

publication 1770-4.1, for additional installation requirements.

•NEMA Standard 250 and IEC 60529, as applicable, for explanations of the

degrees of protection provided by different types of enclosure.

ATTENTION: 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 anapproved grounding wriststrap.

•Do not touch connectors or pins on component boards.

•Do not touch circuit components inside the equipment.

•Use a static-safe workstation, if available.

•Store the equipment in appropriate static-safe packaging when not in use.

4Compact I/O High-speed Counter Module

Publication 1769-IN030B-EN-P - October 2010

North American Hazardous Location Approval

The following information applies when operating

this equipment in hazardous locations. Informations sur l’utilisation de cet équipement en

environnements dangereux.

Products marked "CLI, DIV 2, GP A, B, C, D"are suitable for

use in Class I Division 2 Groups A, B, C, D,Hazardous

Locations and nonhazardous locations only. Each product is

supplied with markings on the rating nameplate indicating

the hazardous location temperature code. Whencombining

products within a system, the most adverse temperature

code(lowest"T" number)maybe usedtohelp determine the

overall temperature code of the system. Combinations of

equipmentinyour system aresubjectto investigationbythe

localAuthorityHavingJurisdictionatthetimeofinstallation.

Les produits marqués "CL I, DIV 2, GP A, B, C, D" ne conviennent

qu'à une utilisation en environnements de Classe I Division 2

Groupes A, B, C, D dangereux et non dangereux. Chaque produit

est livré avec desmarquages sur sa plaque d'identification qui

indiquent le code de température pour les environnements

dangereux. Lorsque plusieurs produits sont combinés dans un

système, le code detempérature le plus défavorable(code de

température le plus faible) peut être utilisé pour déterminer le

code de température global du système. Les combinaisons

d'équipementsdanslesystèmesontsujettesàinspectionparles

autorités locales qualifiées au moment de l'installation.

WARNING:

Explosion Hazard -

•Do not disconnect equipment unless

powerhasbeen removedorthe areais

known to be nonhazardous.

•Do not disconnect connections to this

equipment unless power has been

removed or the area is known to be

nonhazardous. Secure any external

connections that mate to this

equipment by usingscrews, sliding

latches, threaded connectors, or other

means provided with this product.

•Substitution of any component may

impair suitability for Class I, Division 2.

•If this product contains batteries, they

mustonlybechangedinan areaknown

to be nonhazardous.

AVERTISSEMENT:

Risque d’Explosion –

•Couper le courant ou s'assurer que

l'environnement est classé non dangereux

avant de débrancher l'équipement.

•Couper le courant ou s'assurer que

l'environnement est classé non dangereux

avant de débrancher les connecteurs. Fixer

tous les connecteurs externes reliés à cet

équipement à l'aide de vis, loquets

coulissants, connecteurs filetés ou autres

moyens fournis avec ce produit.

•La substitution de tout composant peut

rendre cet équipement inadapté à une

utilisation en environnement de Classe I,

Division 2.

•S'assurer que l'environnement est classé

non dangereux avant de changer les piles.

Compact I/O High-speed Counter Module 5

Publication 1769-IN030B-EN-P - October 2010

Module Features

The 1769-HSC module is a 1 MHz counter/encoder input module with 4 onboard

5…30V DC sourcing outputs designed for high-speed control applications, such as flow control,

measuring length, position, speed, frequency, or duration. The module can simultaneously

interface with a maximum of two quadrature incremental encoders or four single-input count

inputs from devices, such as proximity sensors, photo-eyes, single-pulse output encoders (with or

without direction), or similar products used to monitor counting, flow, or frequency.

The input voltage range is 2.6…30V DC. The 1769-HSC module includes all of the standard

1769 I/O module features, such as rackless, removable terminal block, integrated high-speed

bus/backplane, panel, or DIN rail mounting.

These are additional features:

•Two quadrature (ABZ) differential inputs alternately configurable for the following:

–Pulse internal direction input (four counters in this configuration)

–Pulse external direction input

–Up and down pulse input

–X1, X2, or X4 quadrature encoder input

•32-bit count values (±2 billion counts)

•21-bit rate values (±1 MHz)

•User-definable minimum and maximum count values

•Individual counter reset function (0 = reset enable (default); 1 = reset disable)

1769-HSC series B module only

•16 user-defined ranges with each range individually assignable to 1 of the 4

counter channels

•User-definable preset

•Linear or ring counter operation

•Selectable input filters

•5…30V DC counter/encoder inputs and control outputs

•4 real (physical) outputs and 12 virtual (control bit) outputs

•Real outputs have electric overcurrent protection and rated current of 0.5 A per channel

•Safe State control options (options depend on which controller is used) to allow the

module to operate during fault or program conditions

6Compact I/O High-speed Counter Module

Publication 1769-IN030B-EN-P - October 2010

Hardware Description

Item Description

1Buslever

2a Upper-panel mounting tab

2b Lower-panel mounting tab

3 Module status indicators (6 Input, 4 Output, 1 Fuse, 1 OK)

4 Module door with terminal identification label

5 Removable terminal block (RTB) with finger-safe cover

5a RTB upper-retaining screw

5b RTB lower-retaining screw

6a Movable bus connector (bus interface) with female pins

6b Stationary bus connector (bus interface) with male pins

7 Nameplate label

8a Upper tongue-and-groove slots

8b Lower tongue-and-groove slots

9a Upper DIN-rail latch

9b Lower DIN-rail latch

10 Write-on label for user identification tags

1769-HSC

DANGER

Do Not Remove RTB Under Power

Unless Area is Non-Hazardous

Ensure Adjacent

Bus Lever is Unlatched/Latched

Before/After

Removing/Inserting Module

OUT 2

A1-

Z1-

OUT DC

COM

B0-

Z0-

B1-

OUT 0

OUT DC

+5V/24V

A0+

Z0+

B1+

OUT 3

OUT 1

B0+

A1+

Z1+

A0-

High Speed Counter

A0 B0

A1 B1

IN OUT

High Speed Counter

A0 B0

A1 B1

IN OUT

12a

5a 10

9b 45196

Compact I/O High-speed Counter Module 7

Publication 1769-IN030B-EN-P - October 2010

Module Installation

The 1769-HSC module is suitable for use in an industrial environment when installed in

accordance with these instructions. Specifically, this equipment is intended for use in clean, dry

environments (Pollution Degree 2(1)) and with circuits not exceeding Over Voltage

Category II(2) (IEC 60664-1).(3)

Removal and Insertion Under Power (RIUP)

Removable Terminal Block (RTB) Under Power

Hazardous Location Enclosure

(1) Pollution Degree 2 is an environment where, normally, only non-conductive pollution occurs except that occasionally a

temporary conductivity caused by condensation shall beexpected.

(2) Over Voltage Category II is the load level section of the electrical distributionsystem. At this level transient voltages are

controlled and do not exceed the impulse voltage capability of the product’s insulation.

(3) Pollution Degree 2 and Over Voltage Category II are International Electrotechnical Commission (IEC)designations.

WARNING: When you insert or remove the module while backplane power is on,

an electrical arc can occur. This could cause an explosion in hazardous location

installations.

Be sure that power is removed or the area is nonhazardous before proceeding.

Repeated electrical arcing causes excessive wear to contacts on both the module

and its mating connector. Worn contacts may create electrical resistance that can

affect module operation.

WARNING: When you connect or disconnect the removable terminal block (RTB)

with field side power applied, an electrical arc can occur. This could cause an

explosion in hazardous location installations.

Be sure that power is removed or the area is nonhazardous before proceeding.

WARNING: WhenusedinaClassI,Division2, hazardouslocation,thisequipment

must be mounted in a suitable enclosure with proper wiring method that complies

with the governing electrical codes.

8Compact I/O High-speed Counter Module

Publication 1769-IN030B-EN-P - October 2010

System Planning

There are several factors to consider when planning your system:

•A 1769-ECR (right-end cap) or 1769-ECL (left-end cap) is required to terminate the

end of the Compact I/O bus.

•Each bank of Compact I/O modules must have its own power supply.

(A MicroLogix 1500 base unit acts as the power supply for modules directly connected

to it.)

•The module has a distance rating of four, therefore the module must be within four

modules of the I/O bank’s power supply.

•A Compact I/O power supply, or MicroLogix 1500 base unit, has limits in the amount

of 5V DC and 24V DC current that it can supply to modules in its I/O bank. These

limits depend on the catalog number (for example, 1769-PA2) of the supply. A bank of

modules must not exceed the current limits of the I/O bank power supply or

MicroLogix 1500 base unit.

•Refer to these publications for more information:

–Compact I/O Expansion Power Supplies Installation Instructions,

publication 1769-IN028

–MicroLogix 1500 Programmable Controllers User Manual,

publication 1764-UM001

System Assembly

The module can be attached to an adjacent controller, power supply, or I/O module.

For mounting instructions, see ‘Panel Mounting’ on page 10, or ‘DIN Rail Mounting’

on page 12.

See ‘Replacing a Single Module within a System’ on page 12 to work with a system that is

already mounted.

Compact I/O High-speed Counter Module 9

Publication 1769-IN030B-EN-P - October 2010

Refer to the illustration when assembling the Compact I/O system. See page 6for a description

of the module.

1. Disconnect the power.

2. Check that the bus lever of the module (A) is in the unlocked (fully right) position.

3. Use the upper and lower tongue-and-groove slots (B) to secure the modules together.

4. Move the module back along the tongue-and-groove slots until the bus connectors (C)

line up with each other.

5. Use your fingers or a small screwdriver to push the bus lever back slightly to clear the

positioning tab (D).

6. Move the module’s bus lever fully to the left (E) until it clicks, making sure it’s locked

firmly in place.

7. Attach an end cap terminator (F) to the last module in the system by using the

tongue-and-groove slots.

8. Lock the end cap bus terminator (G).

ATTENTION: When attaching I/O modules, it’s very important that the bus

connectors are securely locked together to provide proper electrical connection.

IMPORTANT

A 1769-ECR or 1769-ECL right or left end cap must be used to terminate the end

of the Compact I/O module.

F45197

10 Compact I/O High-speed Counter Module

Publication 1769-IN030B-EN-P - October 2010

System Mounting

Minimum Spacing

Maintain spacing from

enclosure walls, wireways,

adjacent equipment, and so

forth. Allow 50 mm (2 in.) of

space on all sides for adequate

ventilation, as shown in the

illustration.

Panel Mounting

Mount the module to a panel by using two screws per module. Use M4 or #8 panhead screws.

Mounting screws are required on every module.

Figure 1 - Compact I/O Modules with CompactLogix Controller

and Power Supply

ATTENTION: Thisproductisintendedtobemountedtoa well-groundedmounting

surface, such as a metal panel. Additional grounding connections from the power

supply's mounting tabs or DIN rail (if used) are not required unless the mounting

surface cannot be grounded. Refer to Industrial Automation Wiring and Grounding

Guidelines, publication 1770-4.1, for additional information.

Top

Side

Bottom

Side

Controller

Compact I/O

End Cap or Cable

45198

Important: Hole spacing tolerance: ±0.04 mm (0.016 in.).

Mounting Hole

Dimension

122.6 mm (4.83 in.)

59 mm 59 mm

118 mm (4.65 in.)

(2.32 in.) (2.32 in.)

132 mm (5.19 in.)

147.4 mm (5.81 in.)

14.7 mm

(0.58 in.)

DIN Rail Center Line

50 mm 35 mm

35 mm 35 mm 35 mm 35 mm

35 mm70 mm

(1.97 in.) (1.38 in.) (2.76 in.) (1.38 in.)

40 mm 28.5 mm

(1.12 in.)

(1.58 in.) (1.38 in.) (1.38 in.)(1.38 in.) (1.38 in.)

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