Allen Bradley Allen-Bradley 1794-IV16 FLEX I-O Digital Sourcing Input and Sinking Output Modules Manuel utilisateur

Marque: Allen Bradley

Modèle: Allen-Bradley 1794-IV16 FLEX I-O Digital Sourcing Input and Sinking Output Modules

Taper: Manuel utilisateur

Installation Instructions

Original Instructions

FLEX I/O Digital Sourcing Input and Sinking Output Modules

Catalog Numbers 1794-IV16, 1794-OV16, 1794-OV16P

Summary of Changes

This publication contains the following new or updated information. This list includes substantive updates only and is not intended to reflect all changes. Translated versions are not

always available for each revision.

Topic Page

Summary of Changes 1

Environment and Enclosure 3

North American Hazardous Location Approval 3

Preventing Electrostatic Discharge 4

European Hazardous Location Approval 4

Install Your Relay Output Module 5

Connect Wiring for the 1794-IV16, 1794-OV16, and 1794-OV16P Modules 5

Configure Your Input Module 7

Configure Your Output Module 8

Specifications 8

Environmental Specifications 9

Certifications 10

Topic Page

Updated template throughout

Updated recommended terminal base units 9

Added approximate product weight 9

Added North American and ATEX temp codes 9

Updated certifications 10

2Rockwell Automation Publication 1794-IN095B-EN-P - July 2021

FLEX I/O Digital Sourcing Input and Sinking Output Modules Installation Instructions

ATTENTION: Read this document and the documents listed in the Additional Resources section about installation, configuration and operation of this equipment before you install, configure, operate or maintain

this product. Users are required to familiarize themselves with installation and wiring instructions in addition to requirements of all applicable codes, laws, and standards.

Activities including installation, adjustments, putting into service, use, assembly, disassembly, and maintenance are required to be carried out by suitably trained personnel in accordance with applicable code of

practice. If this equipment is used in a manner not specified by the manufacturer, the protection provided by the equipment may be impaired.

󴎥󲼒󽴼󱲉󲔞󷠴󸞂󶔩󳕽󰽳󱠥󶑷󳇢󳦦󰹢󱡸󱑹󼵼󷸽󸾔󷹁󳦦󳛓󳮔󰻅󱛻 󽶴 󱌧󰺮󸀵󴙃 󽶵 󸛉󱐕󱐪󱐁󵒹󳥤󱌣󷸄󱾋󲔞󷠴󸞂󶔩󱠥󳕽󰽳󵒹󵕲󲪿󳛓󳮔󹀒󰸬󳄿󳥤󸓔󵈾󷨟󶲵󴎂󲲓󱠥󳫼󱎦

󵒹󵕲󱌣󷦴󴊡󰷔󱾫󼵼󵈾󳄫󸑯󲳴󹏣󴰀󲸫󲔞󷠴󱠥󳍺󶑂󷸺󳟉

󲔞󷠴󷹉󳚯󳇐󸑙󰾫󵈾󶑇󷠴󳈓󱙹󱠥󶑷󳇢󵴞󱝑󹏡󳕽󰽳󲳴󹏣󵉌󶑒󸑃󸓔󲰳󷷳󶑆󵒹󰶂󰶍󰺄󱟘󳉾󴮒󸓔󵈾󵒹󳕽󰽳󷨟󶲵󲕋󳜷

󲁶󳩔󳦣󳉾󴮒󱑗󸔤󱥂󳉸󲕂󵒹󳜱󲮮󰾫󵈾󷸫󷸄󱾋󼵼󱐮󱜴󶡋󰼕󳌁󲕳󷸄󱾋󳏀󰿙󵒹󱁃󳇢

ATENCIÓN: Antes de instalar, configurar, poner en funcionamiento o realizar el mantenimiento de este producto, lea este documento y los documentos listados en la sección Recursos adicionales acerca de la

instalación, configuración y operación de este equipo. Los usuarios deben familiarizarse con las instrucciones de instalación y cableado y con los requisitos de todos los códigos, leyes y estándares vigentes.

El personal debidamente capacitado debe realizar las actividades relacionadas a la instalación, ajustes, puesta en servicio, uso, ensamblaje, desensamblaje y mantenimiento de conformidad con el código de

práctica aplicable. Si este equipo se usa de una manera no especificada por el fabricante, la protección provista por el equipo puede resultar afectada.

ATENÇÃO: Leia este e os demais documentos sobre instalação, configuração e operação do equipamento que estão na seção Recursos adicionais antes de instalar, configurar, operar ou manter este produto.

Os usuários devem se familiarizar com as instruções de instalação e fiação além das especificações para todos os códigos, leis e normas aplicáveis.

É necessário que as atividades, incluindo instalação, ajustes, colocação em serviço, utilização, montagem, desmontagem e manutenção sejam realizadas por pessoal qualificado e especializado, de acordo com

o código de prática aplicável.

Caso este equipamento seja utilizado de maneira não estabelecida pelo fabricante, a proteção fornecida pelo equipamento pode ficar prejudicada.

ВНИМАНИЕ: Перед тем как устанавливать, настраивать, эксплуатировать или обслуживать данное оборудование, прочитайте этот документ и документы,

перечисленные в разделе «Дополнительные ресурсы». В этих документах изложены сведения об установке, настройке и эксплуатации данного оборудования.

Пользователи обязаны ознакомиться с инструкциями по установке и прокладке соединений, а также с требованиями всех применимых норм, законов и

стандартов.

Все действия, включая установку, наладку, ввод в эксплуатацию, использование, сборку, разборку и техническое обслуживание, должны выполняться

обученным персоналом в соответствии с применимыми нормами и правилами.

Если оборудование используется не предусмотренным производителем образом, защита оборудования может быть нарушена.

󴎤󲼑 : 󳦥󷢢󱡸󷫤󶔨󳸔󳃮󵫪󱕜󱁃󲔛󱑹󳦥󳥆󳦥󳼤󱬼󷫤󶔨󷫤󲕁󳕽󰽳󱛬󶙌󷽺󳛲󷭪󲰳󵶙󳄾󷪹󸋺󳛒󳥆󵕢󸔑

󷭪󲰳󳧵󰾾󴎁󲲓󷧊󳭔󷦳󰻞󱔈󷫤󶔨󸞂󶊁󳅜󹌬󶗠󴯿󲳴󷦳

󷫤󶔨󷰄󳚮󸖋󸋅󸻛󲄤󰾫󵈾󶅉󵰨󷩒󰽥󱁃󲔛󱞎󷲀󰽳󳵠󷭪󲰳󲕌󳜶󷧊󱑲󲲟󷪯󶊻󱜍󸗞󱐗󰽳󳵠󱢟󲕌󷝥󲳴󷦳

󳦥󳼤󱬼󷢢󸔢󳉸󲕁󳜰󴎁󰾫󵈾󱸦󱝖󳼤󱬼󳏀󰿙󱁃󷶋󳐧󲷋

ACHTUNG: Lesen Sie dieses Dokument und die im Abschnitt „Weitere Informationen“aufgeführten Dokumente, die Informationen zu Installation, Konfiguration und Bedienung dieses Produkts enthalten, bevor Sie

dieses Produkt installieren, konfigurieren, bedienen oder warten. Anwender müssen sich neben den Bestimmungen aller anwendbaren Vorschriften, Gesetze und Normen zusätzlich mit den Installations- und

Verdrahtungsanweisungen vertraut machen.

Arbeiten im Rahmen der Installation, Anpassung, Inbetriebnahme, Verwendung, Montage, Demontage oder Instandhaltung dürfen nur durch ausreichend geschulte Mitarbeiter und in Übereinstimmung mit den

anwendbaren Ausführungsvorschriften vorgenommen werden.

Wenn das Gerät in einer Weise verwendet wird, die vom Hersteller nicht vorgesehen ist, kann die Schutzfunktion beeinträchtigt sein.

ATTENTION : Lisez ce document et les documents listés dans la section Ressources complémentaires relatifs à l’installation, la configuration et le fonctionnement de cet équipement avant d’installer, configurer,

utiliser ou entretenir ce produit. Les utilisateurs doivent se familiariser avec les instructions d’installation et de câblage en plus des exigences relatives aux codes, lois et normes en vigueur.

Les activités relatives à l’installation, le réglage, la mise en service, l’utilisation, l’assemblage, le démontage et l’entretien doivent être réalisées par des personnes formées selon le code de pratique en vigueur.

Si cet équipement est utilisé d’une façon qui n’a pas été définie par le fabricant, la protection fournie par l’équipement peut être compromise.

󻷋󻰧: 󻇇󽴔󻳫󼥗󽴔󻗳󼌧, 󻗳󻳤, 󻱠󺢨󽴔󺫟󺝣󽴔󻯯󻺏󽴔󻇃󻛧󼨧󺋿󽴔󻳓󻪟󽴔󻇇󽴔󻀇󻗫󺹋󽴔󼢻󼨷󼨧󻪻󽴔󻗳󼌧, 󻗳󻳤󽴔󻃞󽴔󻱠󺢨󻪟󽴔󺇏󼨫󽴔󼄇󺆯󽴔󻱟󺶛󽴔󻘈󻘧󻰧󽴔󻀇󻗫󺦳󻰓󽴔󻃧󺦫󻞫󽴔󻱌󺆯󽴔󻛨󻺏󼨧󻞼󻞫󻫳. 󻕻󻭸󻱟󺝣󽴔󺽷󺦯󽴔󺇏󺳷󽴔󺊫󻳤,

󻅤󺊫󽴔󻃞󽴔󼤫󻷏󻪟󻗫󽴔󻭣󺈻󼨧󺝣󽴔󻕻󼨼󻪟󽴔󺟏󼩃󽴔󻃧󺦫󻞫󽴔󻗳󼌧󽴔󻃞󽴔󻃿󻗯󽴔󻺏󼌷󻰓󽴔󻛨󻺏󼩃󻩋󽴔󼨸󺞗󺞳 .

󻗳󼌧 , 󻴿󻳤 , 󺃏󺢨 , 󻕻󻭸 , 󻴿󺺌 , 󻉓󼩃 , 󻯯󻺏󻇃󻛧󽴔󺧀󽴔󺽷󺦯󽴔󻱠󻪔󻰏󽴔󺇏󺳷󽴔󺊫󻳤󻪟󽴔󺧿󺱋󽴔󻳐󻳗󼨫󽴔󺈟󻯰󻰓󽴔󻃪󻰏󽴔󻕻󻭸󻱟󺹋󽴔󼚄󼩃󻗫󺺛󽴔󻛧󼩘󼩃󻩋󽴔󼨸󺞗󺞳 .

󻇇󽴔󻱴󻌓󺹋󽴔󻳫󻴿󻕻󺃏󽴔󺽔󻞫󼨧󻺏󽴔󻨙󻰏󽴔󻃸󻅤󻰋󺴫󽴔󻕻󻭸󼨧󺽃󽴔󻱴󻌓󻰧󽴔󻇃󼬇󽴔󺋿󺝴󻱃󽴔󻙟󻖐󺣯󽴔󻛧󽴔󻱗󻞄󺞗󺞳 .

ATTENZIONE Prima di installare, configurare ed utilizzare il prodotto, o effettuare interventi di manutenzione su di esso, leggere il presente documento ed i documenti elencati nella sezione “Altre risorse”,

riguardanti l’installazione, la configurazione ed il funzionamento dell’apparecchiatura. Gli utenti devono leggere e comprendere le istruzioni di installazione e cablaggio, oltre ai requisiti previsti dalle leggi, codici e

standard applicabili.

Le attività come installazione, regolazioni, utilizzo, assemblaggio, disassemblaggio e manutenzione devono essere svolte da personale adeguatamente addestrato, nel rispetto delle procedure previste.

Qualora l’apparecchio venga utilizzato con modalità diverse da quanto previsto dal produttore, la sua funzione di protezione potrebbe venire compromessa.

DİKKAT: Bu ürünün kurulumu, yapılandırılması, işletilmesi veya bakımı öncesinde bu dokümanı ve bu ekipmanın kurulumu, yapılandırılması ve işletimi ile ilgili İlave Kaynaklar bölümünde yer listelenmiş

dokümanları okuyun. Kullanıcılar yürürlükteki tüm yönetmelikler, yasalar ve standartların gereksinimlerine ek olarak kurulum ve kablolama talimatlarını da öğrenmek zorundadır.

Kurulum, ayarlama, hizmete alma, kullanma, parçaları birleştirme, parçaları sökme ve bakım gibi aktiviteler sadece uygun eğitimleri almış kişiler tarafından yürürlükteki uygulama yönetmeliklerine uygun şekilde

yapılabilir.

Bu ekipman üretici tarafından belirlenmiş amacın dışında kullanılırsa, ekipman tarafından sağlanan koruma bozulabilir.

岤䠑✲갪㖈㸞酤鏤㹁乽⡲䧴笞隌劥欴ㅷ⵹锞⯓ꠗ隡姽俒⟝⟃⿻⴪倴 չⰦ➮须彂պ畎眏⚥剤ꡠ㸞酤鏤㹁莅乽⡲姽鏤⪔涸俒⟝⢪欽罏䗳갭擿䜫㸞酤ㄤꂂ箁䭸

爚⚛痘ざ䨾剤岁鋊岁䖒ㄤ垦彋銴宠

⺫䭍㸞酤锅侮❜➰⢪欽⢪欽穉酤䬓⽹ㄤ笞隌瘞⹛⡲鿪䗳갭❜歋䊺竤麕黠殹鎯箻涸➃㆞鹎遤⟃痘ざ黠欽涸㻜⡲岁鋊

㥶卓㼟鏤⪔欽倴ꬌ醢鸤㉂䭸㹁涸欽鸁儘〳腋剚鸤䧭鏤⪔䨾䲿⣘涸⥃隌⸆腋「䴦

POZOR: Než začnete instalovat, konfigurovat či provozovat tento výrobek nebo provádět jeho údržbu, přečtěte si tento dokument a dokumenty uvedené v části Dodatečné zdroje ohledně instalace, konfigurace

a provozu tohoto zařízení. Uživatelé se musejí vedle požadavků všech relevantních vyhlášek, zákonů anorem nutně seznámit také s pokyny pro instalaci a elektrické zapojení.

Činnosti zahrnující instalaci, nastavení, uvedení do provozu, užívání, montáž, demontáž a údržbu musí vykonávat vhodně proškolený personál v souladu s příslušnými prováděcími předpisy.

Pokud se toto zařízení používá způsobem neodpovídajícím specifikaci výrobce, může být narušena ochrana, kterou toto zařízení poskytuje.

UWAGA: Przed instalacją, konfiguracją, użytkowaniem lub konserwacją tego produktu należy przeczytać niniejszy dokument oraz wszystkie dokumenty wymienione w sekcji Dodatkowe źródła omawiające

instalację, konfigurację i procedury użytkowania tego urządzenia. Użytkownicy mają obowiązek zapoznać się z instrukcjami dotyczącymi instalacji oraz oprzewodowania, jak również z obowiązującymi

kodeksami, prawem i normami.

Działania obejmujące instalację, regulację, przekazanie do użytkowania, użytkowanie, montaż, demontaż oraz konserwację muszą być wykonywane przez odpowiednio przeszkolony personel zgodnie z

obowiązującym kodeksem postępowania.

Jeśli urządzenie jest użytkowane w sposób inny niż określony przez producenta, zabezpieczenie zapewniane przez urządzenie może zostać ograniczone.

OBS! Läs detta dokument samt dokumentet, som står listat i avsnittet Övriga resurser, om installation, konfigurering och drift av denna utrustning innan du installerar, konfigurerar eller börjar använda eller utföra

underhållsarbete på produkten. Användare måste bekanta sig med instruktioner för installation och kabeldragning, förutom krav enligt gällande koder, lagar och standarder.

Åtgärder som installation, justering, service, användning, montering, demontering och underhållsarbete måste utföras av personal med lämplig utbildning enligt lämpligt bruk.

Om denna utrustning används på ett sätt som inte anges av tillverkaren kan det hända att utrustningens skyddsanordningar försätts ur funktion.

LET OP: Lees dit document en de documenten die genoemd worden in de paragraaf Aanvullende informatie over de installatie, configuratie en bediening van deze apparatuur voordat u dit product installeert,

configureert, bediend of onderhoudt. Gebruikers moeten zich vertrouwd maken met de installatie en de bedradingsinstructies, naast de vereisten van alle toepasselijke regels, wetten en normen.

Activiteiten zoals het installeren, afstellen, in gebruik stellen, gebruiken, monteren, demonteren en het uitvoeren van onderhoud mogen uitsluitend worden uitgevoerd door hiervoor opgeleid personeel en in

overeenstemming met de geldende praktijkregels.

Indien de apparatuur wordt gebruikt op een wijze die niet is gespecificeerd door de fabrikant, dan bestaat het gevaar dat de beveiliging van de apparatuur niet goed werkt.

Rockwell Automation Publication 1794-IN095B-EN-P - July 2021 3

FLEX I/O Digital Sourcing Input and Sinking Output Modules Installation Instructions

North American Hazardous Location Approval

The 1794-IV16, 1794-OV16, 1794-OV16P modules are Hazardous Location approved:

Environment and Enclosure

ATTENTION: This equipment is intended for use in a Pollution Degree 2 industrial environment, in overvoltage Category II applications (as defined in EN/

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

This equipment is not intended for use in residential environments and may not provide adequate protection to radio communication services in such

environments.

This equipment is supplied as open-type equipment for indoor use. It must be mounted within an enclosure that is suitably designed for those specific

environmental conditions that will be present and appropriately designed to prevent personal injury resulting from 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 or be

approved for the application if nonmetallic. The interior of the enclosure must be accessible only by the use of a tool. Subsequent sections of this

publication may contain more information regarding specific enclosure type ratings that are required to comply with certain product safety certifications.

In addition to this publication, see the following:

• Industrial Automation Wiring and Grounding Guidelines, publication 1770-4.1, for additional installation requirements.

• NEMA Standard 250 and EN/IEC 60529, as applicable, for explanations of the degrees of protection provided by enclosures.

ATTENTION: This product is grounded through the DIN rail to chassis ground. Use zinc-plated chromate-passivated steel DIN rail to assure proper

grounding. The use of other DIN rail materials (for example, aluminum or plastic) that can corrode, oxidize, or are poor conductors, can result in improper

or intermittent grounding. Secure DIN rail to mounting surface approximately every 200 mm (7.8 in.) and use end-anchors appropriately. Be sure to

ground the DIN rail properly. See the Industrial Automation Wiring and Grounding Guidelines, Rockwell Automation publication 1770-4.1, for more

information.

ATTENTION:

• If this equipment is used in a manner not specified by the manufacturer, the protection provided by the equipment may be impaired.

• In case of malfunction or damage, no attempts at repair should be made. The module should be returned to the manufacturer for repair. Do not dismantle

the module.

The Following Information Applies When Operating This Equipment In Hazardous

Locations. Informations sur l’utilisation de cet équipement en environnements dangereux.

Products marked "CL I, 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. When combining products within a system, the most adverse

temperature code (lowest "T" number) may be used to help determine the overall

temperature code of the system. Combinations of equipment in your system are

subject to investigation by the local Authority Having Jurisdiction at the time of

installation.

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 des marquages 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 de température le plus

défavorable (code de température le plus faible) peut être utilisé pour déterminer le

code de température global du système. Les combinaisons d'équipements dans le

système sont sujettes à inspection par les autorités locales qualifiées au moment de

l'installation.

WARNING:

Explosion Hazard –

• Do not disconnect equipment unless power has been removed or

the area is 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 using

screws, sliding latches, threaded connectors, or other means

provided with this product.

• Substitution of components may impair suitability for Class I,

Division 2.

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 composants peut rendre cet équipement

inadapté à une utilisation en environnement de Classe I, Division 2.

WARNING: When used in a Class I, Division 2, hazardous location, this equipment must be mounted in a suitable enclosure with proper wiring method that complies

with the governing electrical codes.

4Rockwell Automation Publication 1794-IN095B-EN-P - July 2021

FLEX I/O Digital Sourcing Input and Sinking Output Modules Installation Instructions

European Hazardous Location Approval

The 1794-IV16, 1794-OV16, 1794-OV16P modules are European Zone 2 approved:

Preventing Electrostatic Discharge

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 an approved 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.

ATTENTION: Do not remove or replace a Terminal Base unit while power is applied. Interruption of the backplane can result in unintentional operation or

machine motion.

The following applies to products marked

• Are intended for use in potentially explosive atmospheres as defined by European Union Directive 2014/34/EU and has been found to comply with the Essential Health and

Safety Requirements relating to the design and construction of Category 3 equipment intended for use in Zone 2 potentially explosive atmospheres, given in Annex II to this

Directive.

• Compliance with the Essential Health and Safety Requirements has been assured by compliance with EN 60079-15 and EN 60079-0.

• Are Equipment Group II, Equipment Category 3, and comply with the Essential Health and Safety Requirements relating to the design and construction of such equipment

given in Annex II to EU Directive 2014/34/EU. See the EU Declaration of Conformity at rok.auto/certifications for details.

• The type of protection is Ex nA IIC T3 Gc (for 1794-IV16) and Ex nA IIC T4 Gc (for 1794-OV16, 1794-OV16P) according to EN 60079-15.

• Comply with Standards EN 60079-0:2012, EN 60079-15:2010, reference certificate number LCIE 01 ATEX 6020X.

• Are intended for use in areas in which explosive atmospheres caused by gases, vapors, mists, or air are unlikely to occur, or are likely to occur only infrequently and for short

periods. Such locations correspond to Zone 2 classification according to ATEX directive 2014/34/EU.

WARNING: Special Conditions for Safe Use:

• This equipment is not resistant to sunlight or other sources of UV radiation.

• This equipment shall be mounted in an ATEX Zone 2 certified enclosure with a minimum ingress protection rating of at least IP54 (in accordance with EN

60079-0) and used in an environment of not more than Pollution Degree 2 (as defined in EN 60664-1) when applied in Zone 2 environments. The enclosure

must be accessible only by the use of a tool.

• This equipment shall be used within its specified ratings defined by Rockwell Automation.

• Provision shall be made to prevent the rated voltage from being exceeded by transient disturbances of more than 140% of the peak rated voltage when

applied in Zone 2 environments.

• The instructions in the user manual shall be observed.

• This equipment must be used only with ATEX certified Rockwell Automation backplanes.

• Secure any external connections that mate to this equipment by using screws, sliding latches, threaded connectors, or other means provided with this

product.

• Do not disconnect equipment unless power has been removed or the area is known to be nonhazardous.

• Earthing is accomplished through mounting of modules on rail.

• Devices shall be used in an environment of not more than Pollution Degree 2.

Rockwell Automation Publication 1794-IN095B-EN-P - July 2021 5

FLEX I/O Digital Sourcing Input and Sinking Output Modules Installation Instructions

Install Your Relay Output Module

The FLEX™ I/O module mounts on 1794-TB3 or 1794-TB3S terminal bases.

1. Rotate the keyswitch (3) on the terminal base (4) clockwise to position 9 as required for this type of module.

2. Make certain the Flexbus connector (1) is pushed all the way to the left to connect with the neighboring terminal base and adapter. You cannot install the module unless

the connector is fully extended.

3. Make sure the pins on the bottom of the module are straight so they align properly with the connector in the terminal base.

4. Position the module (7) with its alignment bar (6) aligned with the groove (5) on the terminal base.

5. Press firmly and evenly to seat the module in the terminal base unit. The module is seated when the latching mechanism (2) is locked into the module.

Connect Wiring for the 1794-IV16, 1794-OV16, and 1794-OV16P Modules

1. Connect individual input or output wiring to numbered terminals on the 0…15 row (A) as shown in Figure 1 and Table 1.

2. For 1794-IV16 – Connect the associated input device common to the corresponding terminal on the 16…33 row. (B) for each input as indicated in Table 1. Commons are

internally connected together. If using 3-wire input devices, also connect the associated input power lead to the corresponding terminal on the 34…51 row (C).

For 1794-OV16, 1794-OV16P – Connect the associated +V DC power lead of the output device to the corresponding terminal on the 34…51 row (C) for each output as

indicated in Table 1. The +V power terminals of row (C) are internally connected together.

3. Connect +24V DC power to terminal 34 on the 34…51 row (C).

4. Connect -V DC common to terminal 16 on the 16…33 row (B).

5. If daisy chaining power to the next terminal base, connect a jumper from terminal 51 (+V DC) on this base unit to terminal 34 on the next base unit.

6. If continuing -V DC common to the next base unit, connect a jumper from terminal 33 (common) on this base unit to terminal 16 on the next base unit.

Component Identification

Description Description

1 Flexbus connectors 5 Groove

2 Latching mechanism 6 Alignment bar

3 Keyswitch 7Module

4Terminal base

ATTENTION: During mounting of all devices, be sure that all debris (for example, metal chips and wire strands) is kept from falling into the module. Debris

that falls into the module could cause damage on power-up.

WARNING: If you remove or insert the module while the 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 electric 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.

ATTENTION: Total current through the terminal base unit is limited to 10 A. Separate power connections to the terminal base unit may be necessary.

6Rockwell Automation Publication 1794-IN095B-EN-P - July 2021

FLEX I/O Digital Sourcing Input and Sinking Output Modules Installation Instructions

Figure 1 - Connect Wiring for the 1794-TB3 and 1794-TB3S Terminal Bases

Figure 2 - 2-wire and 3-wire Input Wiring for 1794-IV16 Module

Table 1 - Wire Connections for 1794-IV16, 1794-OV16, and 1794-OV16P Modules

Channel Signal Power Terminal Common Terminal(1)

1794-OV16, 1794-OV16P, 1794-IV16(1)

(1) 2-wire sourcing input devices use the input and common terminals.

3-wire sourcing input devices use the input, common, and power terminals.

1794-IV16

0 A-0 C-35 B-17

1 A-1 C-36 B-18

2A-2C-37B-19

3 A-3 C-38 B-20

4 A-4 C-39 B-21

5A-5C-40B-22

6A-6C-41B-23

7A-7C-42B-24

8A-8C-43B-25

9A-9C-44B-26

10 A-10 C-45 B-27

11 A-11 C-46 B-28

12 A-12 C-47 B-29

13 A-13 C-48 B-30

14 A-14 C-49 B-31

15 A-15 C-50 B-32

+V DC C-34…C-51 are internally connected together.

Common B-16…B-33 are internally connected together.

17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33

0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51

Inputs/Outputs

Commons

(1794-TB3 shown)

Connect -V DC common to terminal B-16

-V

Voltage

In +V

Voltage

Out +V

Voltage

(Use B-33 and C-51 for daisy-chaining to next terminal base unit)

Common -V

Common

Connect +V DC power to terminal C-34

Note: Terminals 35…50 are not used for the 1794-TB2 terminal base

= 24V DC

= Common

= Source input

0…15

34…51

16…33

2-wire device

(sinking output)

01 0 1

3-wire device

(sinking output)

Rockwell Automation Publication 1794-IN095B-EN-P - July 2021 7

FLEX I/O Digital Sourcing Input and Sinking Output Modules Installation Instructions

Configure Your Input Module

You configure your input module by setting bits in the configuration word (word 3).

Set the Input Filter Time for 1794-IV16 Module

To set the input filter time, set the associated bits in the output image (complementary word) for the module.

For example, to set a filter time of 8 milliseconds for a DC input module at address rack 1, module group 0, in configuration word 3, set bits 08, 09, and 10 as shown in Table 3.

Figure 3 - Example Filter Time Setting

See Table 3 for additional filter times available.

Table 2 - Image Table Memory Map for 1794-IV16

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 0 I15 I14 I13 I12 I11 I10 I9 I8 I7 I6 I5 I4 I3 I2 I1 I0

Read 1 C = Counter Input value of input 15

Write 1 Not used CF CR NU Input Filter FT 0...15 Not used

Where

I = Input

C = Counter value for input 15

FT = Input filter time

CR = Counter Reset

CF = Counter Fast - where 1 = Fast input (raw) data; 0 = Standard input filtered data

NU = Not used

Note: C, CR, and CF not available when used with any series 1794-ASB or 1794-ASB2 Remote I/O Adapters.

Table 3 - Input Filter Time

Bits Description Selected Filter Time

10 09 08 Filter Time for inputs 00...15 (00...17)

0 0 0 Filter Time 0 (Default) 0.25 ms

0 0 1 Filter Time 1 0.5 ms

0 1 0 Filter Time 2 1 ms

0 1 1 Filter Time 3 2 ms

1 0 0 Filter Time 4 4 ms

101Filter Time 5 8 ms

1 1 0 Filter Time 6 16 ms

1 1 1 Filter Time 7 32 ms

O:010

09 08 07 06 05 04 03 02 01 0015 14 13 12 1110 Dec.

FT = 00…15

Fill File

Source

Destination

Length

1280

#O:010

FLL Write FT to complement

of input module.

O:010

I:000

Write Filter Time on system startup.

= 2400 Octal or

1280 Decimal

09 0807 06 05 04 03 02 01 00

15 14 13 12 11 10 Dec.

FT for channels 00 thru 15

8Rockwell Automation Publication 1794-IN095B-EN-P - July 2021

FLEX I/O Digital Sourcing Input and Sinking Output Modules Installation Instructions

Configure Your Output Module

You configure your output module by setting bits in word 1.

Specifications

Table 4 - Image Table Memory Map for 1794-OV16, 1794-OV16P

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 0 Not used

Write 1 O15 O14 O13 O12 O11 O10 O9 O8 O7 O6 O5 O4 O3 O2 O1 O0

Where O = Output

Input Specifications – 1794-IV16

Attribute Value

Number of input 16, nonisolated, sourcing

On-state voltage, min 10V DC

On-state voltage, nom 24V DC

On-state voltage, max 31.2V DC

On-state current, min 2.0 mA

On-state current, nom 8.0 mA @ 24V DC

On-state current, max 11.0 mA

Off-state voltage, max 5V DC

Off-state current, min 1.5 mA

Input Impedance, max 4.7 kΩ

Isolation voltage Tested @ 2121V DC for 1s between user and system

No isolation between individual channels

Input filter time(1)

Off to On

On to Off

(1) Input off-to-on filter time is the time from a valid input signal to recognition by the module. Input on-to-off filter time is time from the input signal dropping below the valid level to recognition by the

module

0.25 ms, 0.5 ms, 1 ms, 2 ms, 4 ms, 8 ms, 16 ms, 32 ms

0.25 ms default – Selectable using configuration word 3

Flexbus current 30 mA

Power dissipation, max 5.7 W @ 31.2V DC

Thermal dissipation, max 19.4 BTU/hr @ 31.2V DC

Indicators

(field side indication, customer device driven) 16 yellow status indicators

Output Specifications – 1794-OV16, 1794-OV16P

Attribute Value

Number of outputs 16, nonisolated, sinking

On-state voltage, min 10V DC

On-state voltage, nom 24V DC

On-state voltage, max 31.2V DC

Output current rating 8.0 A (16 outputs @ 0.5 A)

Off-state voltage, max 31.2V DC

On-state current, min 1 mA per channel

On-state current, max 500 mA per channel

Surge current 2 A for 50 ms, repeatable every 2 s

Off-state leakage, max 0.5 mA

On-state voltage drop, max 0.2V DC

Rockwell Automation Publication 1794-IN095B-EN-P - July 2021 9

FLEX I/O Digital Sourcing Input and Sinking Output Modules Installation Instructions

Isolation voltage Tested @ 2121V DC for 1s between user and system

No isolation between individual channels

Output signal delay(1)

Off to On, max

On to Off, max 0.5 ms

1.0 ms

Flexbus current 80 mA

Power dissipation, max 4.2 W @ 31.2V DC

Thermal dissipation, max 14.3 BTU/hr @ 31.2V DC

Indicators (field side indication, logic driven) 16 yellow status indicators

Fusing 1794-OV16 – Module outputs are not fused. Fusing is recommended. If fusing is desired, you must provide external fusing.

Use SAN-O MQ4-800 800 mA fuses

1794-OV16P – Outputs are electronically protected.

(1) The time from the receipt of an on or off command to the output actually turning on or off.

General Specifications

Attribute Value

Recommended terminal base unit 1794-TB3, 1794-TB3K, 1794-TB3S, 1794-TB3SK

Terminal base screw torque 0.8 N•m (7 lb•in)

Keyswitch position 2

External DC power

Voltage range

Supply voltage

Supply current

10…31.2V DC (includes 5% AC ripple)

See derating curve for 1794-IV16

24V DC nominal

1794-OV16, 1794-OV16P – 49 mA @ 24V DC (21...65 mA)

Dimensions, approx. (H x W x D)

(with module installed) 94 x 94 x 69 mm

(3.7 x 3.7 x 2.7 in.)

Weight, approx. 1794-IV16 – 90 g (3.17 oz.)

1794-OV16 – 77 g (2.72 oz.)

1794-OV16P – 81 g (2.86 oz.)

Wiring category(1)

(1) Use this Conductor Category information for planning conductor routing. Refer to Industrial Automation Wiring and Grounding Guidelines, publication 1770-4.1.

Wire size 4 mm2 (12 AWG) stranded copper wire rated at 75 °C (167 °F) or higher 1.2 mm (3/64 inch) insulation maximum

Enclosure type rating None (open-style)

North American temp code 1794-IV16 – T3C

1794-OV16, 1794-OV16P – T4A

ATEX temp code 1794-OV16, 1794-OV16P – T4

1794-IV16 – T3

Environmental Specifications

Attribute Value

Temperature, operating

IEC 60068-2-1 (Test Ad, Operating Cold),

IEC 60068-2-2 (Test Bd, Operating Dry Heat),

IEC 60068-2-14 (Test Nb, Operating Thermal Shock):

0…55 °C (32…131 °F)

Temperature, nonoperating

IEC 60068-2-1 (Test Ab, Unpackaged nonoperating Cold),

IEC 60068-2-2 (Test Bb, Unpackaged nonoperating Dry Heat),

IEC 60068-2-14 (Test Na, Unpackaged nonoperating Thermal Shock):

-40…+85 °C (-40…+185 °F)

Relative humidity IEC 60068-2-30 (Test Db, Unpackaged Damp Heat):

5…95% noncondensing

Vibration IEC 60068-2-6 (Test Fc, Operating):

5 g @ 10…500 Hz

Shock, operating IEC 60068-2-27 (Test Ea, Unpackaged Shock):

30 g

Shock, nonoperating IEC 60068-2-27 (Test Ea, Unpackaged Shock):

50 g

Output Specifications – 1794-OV16, 1794-OV16P (Continued)

Attribute Value

10 Rockwell Automation Publication 1794-IN095B-EN-P - July 2021

FLEX I/O Digital Sourcing Input and Sinking Output Modules Installation Instructions

Emissions IEC 61000-6-4

ESD immunity IEC 61000-4-2:

4 kV contact discharges

8 kV air discharges

Radiated RF immunity IEC 61000-4-3:

10V/m with 1 kHz sine-wave 80% AM from 30…1000 MHz

10V/m with 200 Hz 50% Pulse 100% AM @ 900 MHz

EFT/B immunity IEC 61000-4-4:

±2 kV at 5 kHz on signal ports

Surge transient immunity IEC 61000-4-5:

±1kV line-earth(CM) on shielded ports

±1kV line-line(DM) and ±2kV line-earth(CM) on signal ports

Conducted RF immunity IEC 61000-4-6:

10V rms with 1 kHz sine-wave 80% AM from 150 kHz…80 MHz on shielded signal ports

Certifications

Certifications (when product is marked)(1)

(1) See the Product Certification link at rok.auto/certifications for Declaration of Conformity, Certificates, and other certification details.

Value

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 File E194810.

European Union 2014/30/EU EMC Directive, compliant with:

EN 61326-1; Meas./Control/Lab., Industrial Requirements

EN 61000-6-2; Industrial Immunity

EN 61000-6-4; Industrial Emissions

EN 61131-2; Programmable Controllers (Clause 8, Zone A & B)

European Union 2011/65/EU RoHS, compliant with:

EN 63000; Technical documentation

European Union 2014/34/EU ATEX Directive, compliant with:

EN 60079-0; General Requirements

EN 60079-15; Potentially Explosive Atmospheres, Protection “n”

Ex nA IIC T3 Gc – 1794-IV16

Ex nA IIC T4 Gc – 1794-OV16, 1794-OV16P

LCIE 01 ATEX 6020 X

RCM Australian Radiocommunications Act, compliant with:

EN 61000-6-4; Industrial Emissions

KC Korean Registration of Broadcasting and Communications Equipment, compliant with:

Article 58-2 of Radio Waves Act, Clause 3

CCC

CNCA-C23-01:2019 󲰃󱑗󲶎󰹢󱡸󷷪󷸇󲕋󳜷󷨟󱐮 󸿉󴳙󵉐󴉟󼵼󵳘󱝗

GB 3836.1-2010 󴳙󴨾󲶎󴾡󱺰 󵳧1󸛉󱐕󽴼󷸄󱾋 󸔒󵈾󷦴󴊡

GB 3836.8-2014 󴳙󴨾󲶎󴾡󱺰 󵳧8󸛉󱐕󽴼󵉌󽶴n󽶵󱴘󱁃󳇢󵒹󷸄󱾋

CNCA-C23-01:2019 CCC Implementation Rule Explosion-Proof Electrical Products, compliant with:

GB 3836.1-2010 Explosive atmospheres – Part 1: Equipment-General requirements

GB 3836.8-2014 Explosive atmospheres - Part 8: Equipment protection by type of protection “n”

Morocco Arrêté ministériel n° 6404-15 du 29 ramadan 1436 – EMC

EAC Russian Customs Union TR CU 020/2011 EMC Technical Regulation

Environmental Specifications (Continued)

Attribute Value

Rockwell Automation Publication 1794-IN095B-EN-P - July 2021 11

FLEX I/O Digital Sourcing Input and Sinking Output Modules Installation Instructions

Derating Chart for 1794-IV16 Module

Voltage Temperature °C (max.) Voltage Temperature °C (max.)

Normal Other Normal Other

31.2 37 32 29.0 51 45

30.5 41 36 28.5

30.0 45 39 28.0 51

29.5 48 42 27.5 55

31.2

10 20 30 40 50 55 60

On-state

Voltage

(V DC)

Ambient Temperature

The area within the curve represents the safe operating range for the module under

various conditions of user supplied 24V DC supply voltages and ambient temperatures.

= Normal mounting safe operating range, (includes ).

= Other mounting positions (including inverted horizontal) safe operating range

3732

28.5

27.5

Publication 1794-IN095B-EN-P - July 2021 | Supersedes Publication 1794-IN095A-EN-P - April 2004

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Trademarks not belonging to Rockwell Automation are property of their respective companies.

Waste Electrical and Electronic Equipment (WEEE)

Rockwell Automation maintains current product environmental compliance information on its website at rok.auto/pec.

At the end of life, this equipment should be collected separately from any unsorted municipal waste.

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