Installation Instructions
Original Instructions
ControlLogix Configurable Flowmeter Module
Catalog Numbers
Topic Page
Installation Requirements 5
Install the Module 5
Keying the Removable Terminal Block and Bulletin 1492 Interface Module 5
Wiring the Removable Terminal Block 6
Connect Wiring 7
Assemble the RTB and the Housing 7
Install the Removable Terminal Block 7
Remove the Module 8
Specifications 9
Additional Resources 9
The ControlLogix® configurable flowmeter module (CFM) is an intelligent I/O module that performs high-speed flowmetering for industrial applications. The CFM module is a singleslot module that interfaces between a Logix controller and external I/O devices.
The module interfaces with the following output types:
•Magnetic Pickup
•TTL
•Preamps
1756-CFM/B, 1756-CFMK/B
The catalog numbers of the conformal coated products include the designation ‘K’ in the last position before the series identifier.
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.
Topic Page
Updated European Hazardous Location Approval 3
Updated IEC Hazardous Location Approval 3
Updated Specifications 9
ControlLogix Configurable Flowmeter Module Installation Instructions
ATTENTION: Read this document and th e documents listed in the Additional Resources section about installation, configuration and operation of this equipment before you install, configure, o perate 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 su itably trained personnel in accordance with applicable code o f practice.
If this equipment is used in a manner n ot specified by the manufacturer, the protection provided by the equipment may be impaired.
注意：在安装、配置、操作和维护本产品前，请阅读本文档以及 “ 其他资源 ” 部分列出的有关设备安装、配置和操作的相应文档。除了所有适用规范、法律和标准的
相关要求之外，用户还必须熟悉安装和接线说明。
安装、调整、投运、使用、组装、拆卸和维护等各项操作必须由经过适当训练的专业人员按照适用的操作规范实施。
如果未按照制造商指定的方式使用该设备，则可能会损害设备提供的保护。
ATENCIÓN: Antes de instalar, configurar, p oner 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 d ebe realizar las actividades relacionadas a la instalaci ón, ajustes, puesta en servicio, uso, ensamblaje, desensamblaje y ma ntenimiento 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 in stalação e fiação além das especificações para todos os códigos, leis e normas aplicáveis.
É necessário que as atividades, inclui ndo 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 util izado de maneira não estabelecida pelo fabricante, a pro teção fornecida pelo equipamento pode ficar prejudicada.
ВНИМАНИЕ: Перед тем как устанавливать, настраивать, эксплу атировать 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 соедин ений, 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.
注意 : 本製品を設置、構成、稼動または保守する前に、本書および本機器の設置、設定、操作についての参考資料の該当箇所に記載されている文書に目を通してく
ださい。ユーザは、すべての該当する条例、法律、規格の要件に加えて、設置および配線の手順に習熟している必要があります。
設置調整、運転の開始、使用、組立て、解体、保守を含む諸作業は、該当する実施規則に従って訓練を受けた適切な作業員が実行する必要があります。
本機器が製造メーカにより指定されていない方法で使用されている場合、機器により提供されている保護が損なわれる恐れがあります。
ACHTUNG: Lesen Sie dieses Dokument und die im Abschnitt „Weitere Informationen“aufgeführten Dokum ente, die Informationen zu Installation, Konfiguration und Bedienung dieses Produkts enthalte n, 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 geschul te Mitarbeiter und in Übereinstimmung mit den
anwendbaren Ausführungsvorschriften vorgenommen werden.
Wenn das Gerät in einer Weise verwendet wird, die vom Hersteller nicht vorgesehe n ist, kann die Schutzfunktion beeinträchtigt sein.
ATTENTION : Lisez ce document et les documents listés dans la section Ressources complémentaires rela tifs 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’entret ien 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’équip ement peut être compromise.
주의 : 본 제품 설치 , 설정 , 작동 또는 유지 보수하기 전에 본 문서를 포함하여 설치 , 설정 및 작동에 관한 참고 자료 섹션의 문서들을 반드시 읽고 숙지하십시오 . 사
용자는 모든 관련 규정 , 법규 및 표준에서 요구하는 사항에 대해 반드시 설치 및 배선 지침을 숙지해야 합니다 .
설치 , 조정 , 가동 , 사용 , 조립 , 분해 , 유지보수 등 모든 작업은 관련 규정에 따라 적절한 교육을 받은 사용자를 통해서만 수행해야 합니다 .
본 장비를 제조사가 명시하지 않은 방법으로 사용하면 장비의 보호 기능이 손상될 수 있습니다 .
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 i struzioni di installazione e cablaggio, oltre ai requ isiti previsti dalle leggi, codici e standard applicab ili.
Le attività come installazione, rego lazioni, utilizzo, assemblaggio, disassemblaggio e manutenzione devono essere svolte da personale adeguatamente addestrato, nel rispetto delle procedure previste.
Qualora l’apparecchio venga utilizzat o con modalità diverse da quanto previsto dal produ ttore, la sua funzione di protezione potrebbe venire compromessa.
DİKKAT: Bu ürünün kurulumu, yapılandırılm ası, işletilmesi veya bakımı öncesinde bu dokümanı ve bu ekipmanın kurulumu, yapılandırılması ve işletimi il e 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 yapı labilir.
Bu ekipman üretici tarafından belirlenmiş ama cın dışında kullanılırsa, ekipman tarafından sağlanan koruma bozulabi lir.
注意事項：在安裝、設定、操作或維護本產品前，請先閱讀此文件以及列於 「其他資源」章節中有關安裝、設定與操作此設備的文件。使用者必須熟悉安裝和配線指
示，並符合所有法規、法律和標準要求。
包括安裝、調整、交付使用、使用、組裝、拆卸和維護等動作都必須交由已經過適當訓練的人員進行，以符合適用的實作法規。
如果將設備用於非製造商指定的用途時，可能會造成設備所提供的保護功能受損。
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 požadavk ů všech relevantních vyhlášek, zákonů a norem nutně seznámit také s pokyny pro instalaci aelektrické zapojení.
Činnosti zahrnující instalaci, nastavení, uvedení do provozu, užívání, montáž, demontáž a údržbu musí vy konávat vhodně proškolený personál v souladu s příslušnými prováděcími předpisy.
Pokud se toto zařízení používá způs obem neodpovídajícím specifikaci výrobce, může být narušena o chrana, kterou toto zařízení poskytuje.
UWAGA: Przed instalacją, konfiguracją, użytkowaniem lub konserwacją tego produktu należy przeczytać niniejszy dokument oraz wszystkie dokume nty wymienione w sekcji Dodatkowe źródła omawiające instalację,
konfigurację i procedury użytkowani a tego urządzenia. Użytkownicy mają obowiązek zapo znać się z instrukcjami dotyczącymi instalacji oraz op rzewodowania, jak również z obowiązującymi kodeksami, pr awem 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, mo ntering, demontering och underhållsarbete måste utföras av persona l med lämplig utbildning enligt lämpligt bruk.
Om denna utrustning används på ett sätt som inte anges av ti llverkaren kan det hända att utrustningens skyddsanordningar försätts ur funktion.
LET OP: Lees dit document en de documenten d ie genoemd worden in de paragraaf Aanvullende informatie ove r de installatie, configuratie en bediening van de ze apparatuur voordat u dit product installeert, co nfigureert,
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 uitgevo erd door hiervoor opgeleid personeel en in
overeenstemming met de geldende pra ktijkregels.
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.
2 Rockwell Automation Publication 1756-IN085B-EN-P - February 2021
North American Hazardous Location Approval
ControlLogix Configurable Flowmeter Module Installation Instructions
The following information applies when operating this equipment in
Informations sur l’utilisation de cet équipement en environnements dangereux.
hazardous locations.
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.
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.
• If this product contains batteries, they must only be changed in
an area known to be nonhazardous.
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.
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.
• S'assurer que l'environnement est classé non dangereux avant de
changer les piles.
European Hazardous Location Approval
The following applies to products marked , , II 3. Such products:
• 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 Directive 94/9/EC.
See the EC Declaration of Conformity at http://www.rockwellautomation.com/products/certification
•Have protection type “Ex ec IIC T4 Gc” according to standards EN 60079-0 and EN 60079-7.
• Comply to Standards EN 60079-0:2018, EN 60079-7:2015+A1:2018, reference certificate number DEMKO 20 ATEX 2340X.
• 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.
• May have catalog numbers followed by a “K” to indicate a conformal coating option.
for details.
IEC Hazardous Location Approval
The following applies to products with IECEx certification. Such products:
• 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 to IEC 60079-0.
• Have protection type <Ex ec IIC T4 Gc> according to IEC 60079-7.
• Comply to Standards IEC 60079-0:2017, IEC 60079-7:2017, reference IECEx certificate number IECEx UL 20.0013X.
• May have catalog numbers followed by a “K” to indicate a conformal coating option.
Rockwell Automation Publication 1756-IN085B-EN-P - February 2021 3
ControlLogix Configurable Flowmeter Module Installation Instructions
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 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 eEnvironments due to conducted and radiated disturbances.
This equipment is supplied as open-type equipment. It must be mounted within an enclosure that is suitably designed for those specific environmental
conditions that will be present and appropriately designed to help prevent personal injury resulting from accessibility to live parts. The enclosure must have
suitable flame-retardant properties to help 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 sections of this 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 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 different types of enclosure.
Special Conditions for Safe Use
WARNING:
• This equipment is not resistant to sunlight or other sources of UV radiation.
• This equipment shall be mounted in an ATEX/IECEx Zone 2 certified enclosure with a minimum ingress protection rating of at least IP54 (as defined in
EN/IEC 60529) and used in an environment of not more than Pollution Degree 2 (as defined in EN/IEC 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 rated voltage when applied in
Zone 2 environments.
• The instructions in the user manual shall be observed.
• Do not disconnect equipment unless power has been removed or the area is known to be non-hazardous.
• This equipment must be used only with IECEx/ATEX certified Rockwell Automation equipment.
Prevent 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.
Electrical Safety Considerations for Removable Terminal Bases
ATTENTION: The ControlLogix system has been agency certified using only the ControlLogix RTBs (catalog numbers 1756-TBNH and 1756-TBSH).
Any application that requires agency certification of the ControlLogix system using other wiring termination methods may require application-specific
approval by the certifying agency.
Wire conductor and insulation ratings shall support minimum temperature rating of 105 °C (221 °F). If multiple power sources are used, do not exceed the
specified isolation voltage.
When using the 1756-TBNH, do not wire more than two 0.33…1.3 mm2 (22…16 AWG) conductors on any terminal. Use only the same size wires with no
intermixing of solid and stranded wire types. When using the 1756-TBSH, do not wire more than one 0.33…2.1 mm
2
(22…14 AWG) conductor on any terminal.
4 Rockwell Automation Publication 1756-IN085B-EN-P - February 2021
ControlLogix Configurable Flowmeter Module Installation Instructions
Printed
circuit board
U-shaped
bands
20850–M
Wedg e-s hape d
Keying Tab
20851–M
Installation Requirements
Before you install the module, you must complete these steps.
1. Install a 1756 ControlLogix chassis.
2. Install a 1756 ControlLogix power supply.
Installation instructions can be found in the ControlLogix Digital I/O Modules
User Manual, publication 1756-UM058.
Install the Module
You can install or remove a module while chassis power is applied.
WARNING: When you insert or remove the module while
backplane power is on, an electric arc can occur. This arc 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.
WARNING: When you connect or disconnect the removable
terminal block (RTB) with field side power applied, an electric arc
can occur. This arc could cause an explosion in hazardous location
installations.
Be sure that power is removed or the area is nonhazardous
before proceeding.
Keying the Removable Terminal Block and Bulletin 1492 Interface Module
Wedge-shaped keying tabs and U-shaped keying bands came with your RTB to help
prevent connecting the wrong wires to your module.
Key positions on the module that correspond to unkeyed positions on the RTB. For
example, if you key the first position on the module, leave the first position on the RTB
unkeyed.
Key the Interface Module
1. Insert the U-shaped band, as shown.
2. Push the band until it snaps in place
1. Align the circuit board with the top and bottoms chassis guides.
2. Slide the module into the chassis until the module locking tabs click.
Key the Removable Terminal Block
1. Insert the wedge-shaped tab with the rounded edge first, as shown.
2. Push the tab until it stops.
Reposition the tabs to re-key future module applications.
Rockwell Automation Publication 1756-IN085B-EN-P - February 2021 5
ControlLogix Configurable Flowmeter Module Installation Instructions
a. Remove a length of cable jacket
from the connecting cable.
b. Pull the foil shield and bare drain
wire from the insulated wire.
c. Twist the foil shield and drain wire
together to form one stra nd.
d. Attach a ground lug and apply heat
shrink tubing to the exit area.
20104-M
a. b. c. d.
e. Connect the drain wire to a chassis mounting tab.
Chassis mounting tab
Drain wire with ground lug
4M or 5M (#10 or #12) Phillips screw
and star washer (or SEM screw)
4M or 5M (#10 or #12) star washer
20918-M
Use any chassis mounting tab that is designated as
a functional signal ground.
e.
Wiring the Removable Terminal Block
Wire the RTB with an 8 mm (5/16 in.) maximum flat-bladed screwdriver before installing it onto the module.
Shielded cable is required with this module. We recommend using Belden 8761 cable to wire the module. The RTB terminations can accommodate 10.33…2.1 mm
shielded wire.
WARNING: If you connect or disconnect wiring while the field-side power is on, an electric arc can occur. This arc could cause an explosion in hazardous
location installations. Be sure that power is removed or the area is nonhazardous before proceeding.
Connect Grounded End of the Cable
1. Ground the drain wire, as shown.
IMPORTANT
We recommend grounding the drain wire at the field-side. If you cannot ground at the field side, ground at an earth ground on the chassis as shown.
² (22…14 AWG)
2. Connect the insulated wires to the field-side.
Connect Ungrounded End of the Cable
1. Cut the foil shield and drain wire back to the cable casing and apply shrink wrap.
2. Connect the insulated wires to the RTB as shown in the next section.
6 Rockwell Automation Publication 1756-IN085B-EN-P - February 2021
ControlLogix Configurable Flowmeter Module Installation Instructions
Groove
Groove
Side edge of the RTB
Side edge of the RTB
Strain relief area
Module top guide
RTB side guides
Connect Wiring
You can use an RTB or a Bulletin 1492 prewired interface module (IFM) to connect wires
to your module. If you are using an RTB, see Recommendations for Wiring Your RTB
connect wires to the RTB. IFMs are prewired before shipping.
WARNING: If you connect or disconnect wiring while the field-side
power is on, an electric arc can occur. This arc could cause an
explosion in hazardous location installations. Be sure that power is
removed or the area is nonhazardous before proceeding.
ATTENTION: When using the 1756-TBNH RTB, do not wire more
than two 0.33…2.1 mm2 (22…14 AWG) conductors on any single
terminal. Use only the same size wires with no intermixing of
solid and stranded wire types.
When using the 1756-TBSH RTB, do not wire more than one
conductor on any single terminal.
ATTENTION: If multiple power sources are used, do not exceed
the specified isolation voltage.
ATTENTION: The ControlLogix system has been agency
certified using only the ControlLogix RTBs (1756-TBNH and
1756-TBSH). Any application that requires agency certification
of the ControlLogix system using other wiring termination
methods may require application-specific approval by the
certifying agency.
Wire a Cage Clamp-style RTB
1. Insert the wire into the terminal.
2. Turn the screw clockwise to close the terminal on the wire.
, to
Assemble the RTB and the Housing
A removable housing covers the wired RTB to help protect the wiring connections when
the RTB is seated on the module.
1. Align the grooves at the bottom of each side of the housing with the side
edges of the RTB.
2. Slide the RTB into the housing until it snaps into place.
IMPORTANT
If additional wire routing space is required for your
application, use the extended-depth housing, catalog
number 1756-TBE.
The housings that are shown are used with a spring clamp
RTB, but the capacity for each remains the same
regardless of RTB type.
Install the Removable Terminal Block
Follow these steps to install the RTB onto the module to connect the wiring.
WARNING: When you connect or disconnect the removable terminal
block (RTB) with field-side power applied, an electric arc can occur.
This arc could cause an explosion in hazardous location
installations.
Be sure that power is removed or the area is nonhazardous
before proceeding.
Wire a Spring Clamp
1. Insert the screwdriver into the outer hole of the RTB.
2. Insert the wire into the open terminal and remove the screwdriver.
Recommendations for Wiring Your RTB
We recommend that you follow these guidelines when wiring your RTB:
1. Begin wiring the RTB at the bottom terminals and move up.
2. Use a tie to secure the wires in the strain relief (bottom) area of the RTB.
3. Order and use an extended-depth housing (catalog number 1756-TBE) for
applications that require heavy gauge wiring. Each RTB comes with a
standard housing.
Rockwell Automation Publication 1756-IN085B-EN-P - February 2021 7
Before installing the RTB, verify the following:
• Field-side wiring of the RTB is complete.
• The RTB housing is snapped into place on the RTB.
• The RTB housing door is closed.
• The locking tab at the top of the module is unlocked.
1. Align the top, bottom, and left side guides of the RTB with the guides on the
module.
2. Press quickly and evenly to seat the RTB on the module until the latches snap
into place.
ControlLogix Configurable Flowmeter Module Installation Instructions
Locking t ab
3. Slide the locking tab down to lock the RTB onto the module.
Remove the RTB from the Module
WARNING: When you connect or disconnect the removable
terminal block (RTB) with field-side power applied, an electric arc
can occur. This arc could cause an explosion in hazardous location
installations.
Be sure that power is removed or the area is nonhazardous
before proceeding.
Before removing the module, you must remove the RTB.
1. Unlock the locking tab at the top of the module.
Remove the Module
WARNING: When you insert or remove the module while backplane
power is on, an electric arc can occur. This arc 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.
1. Push in the locking tabs.
2. Pull the module out of the chassis.
2. Open the RTB door and pull the RTB off the module, as shown.
At the end of its life, this equipment should be collected
separately from any unsorted municipal waste.
8 Rockwell Automation Publication 1756-IN085B-EN-P - February 2021
ControlLogix Configurable Flowmeter Module Installation Instructions
Specifications
This table lists a subset of the module specifications. For a list of all specifications, see the 1756 ControlLogix I/O Specifications Technical Data, publication 1756-TD002.
Attribute 1756-CFM/B, 1756-CFMK/B
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)
Temperature, surrounding air, max 60 °C (140 °F)
Enclosure type rating None (open-style)
Voltage and current ratings
Operating voltage range, inputs
Operating voltage range, outputs
Backplane current draw at 5.1 V 300 mA
Backplane current draw at 24 V 25 mA
Total backplane power 2.13 W
Total power dissipation, max 3.12 W @ 60°C (140°F)
Thermal dissipation 10.6 BTU/hr
Isolation voltage
Inputs 4 (2 per channel)
Inputs per channel
Outputs 2 current sourcing
Removable terminal block (RTB)
Screw torque 0.5 N•m (4.4 lb•in)
Wire size
Wiring category
North American temp code T4
IEC temp code T4
ATEX temp code T4
(1) UL rating is 24V DC
(2) Use this Conductor Category information for planning condu ctor routing. See Industrial Automation Wiring and Grounding Guidelines, publication 1770-4.1.
(2)
(1)
0 °C < Ta < 60 °C (32 °F < Ta < 140 °F)
±30V, selectable input thresholds of 50 mV, 1.3V, and 4V:
±30V peak unterminated open circuit voltage, magnetic pickup
TTL compatible, input voltage >1.3V DC is Logic 1 and < 0.7V DC is Logic 0
12…24V DC powered preamp output, 4V DC threshold
5V operation: 4.5…5.5V DC
12/24V operation: 10…31.2V DC
250 V (continuous), reinforced insulation type, I/O-to-backplane
250 V (continuous), basic insulation type, I/O group-to-group
2 flowmeter (F) inputs used for all modes
2 gate inputs used in Totalizer mode used for prover/store count
1756-TBNH
1756-TBSH
2
0.25…2.5 mm
2 on signal ports
1 on power ports
(22…14 AWG) solid or stranded shielded copper wire rated at 75 °C (167 °F), or greater, 1.2 mm (3/64 in.) insulation max
Additional Resources
These resources contain information about related products from Rockwell Automation.
Resource Description
ControlLogix I/O Modules Specifications Technical Data,
publication 1756-TD002
ControlLogix Configurable Flowmeter Module User Manual,
publication 1756-UM010
ControlLogix Digital I/O Modules User Manual,
publication 1756-UM058
Industrial Automation Wiring and Grounding Guidelines,
publication 1770-4.1
Product Certifications website, rok.auto/certifications
Rockwell Automation Publication 1756-IN085B-EN-P - February 2021 9
Provides specifications, wiring diagrams, and schematics for ControlLogix I/O modules.
Provides installation, configuration, operation, and maintenance information for ControlLogix configurable
flowmeter module.
Provides installation, configuration, operation, and maintenance information for ControlLogix digital I/O
modules.
Provides general guidelines for installing a Rockwell Automation industrial system.
Provides declarations of conformity, certificates, and other certification details.
ControlLogix Configurable Flowmeter Module Installation Instructions
Notes:
10 Rockwell Automation Publication 1756-IN085B-EN-P - February 2021
Notes:
ControlLogix Configurable Flowmeter Module Installation Instructions
Rockwell Automation Publication 1756-IN085B-EN-P - February 2021 11
Rockwell Automation Support
Use these resources to access support information.
Technical Support Center Find help with how-to videos, FAQs, chat, user forums, and product notification updates. rok.auto/support
Knowledgebase Access Knowledgebase articles. rok.auto/knowledgebase
Local Technical Support Phone Numbers Locate the telephone number for your country. rok.auto/phonesupport
Literature Library Find installation instructions, manuals, brochures, and technical data publications. rok.auto/literature
Product Compatibility and Download Center
(PCDC)
Download firmware, associated files (such as AOP, EDS, and DTM), and access product release
notes.
rok.auto/pcdc
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Waste Electrical and Electronic Equipment (WEEE)
At the end of life, this equipment should be collected separately from any unsorted municipal waste.
Rockwell Automation maintains current product environmental compliance information on its website at rok.auto/pec.
Your comments help us serve your documentation needs better. If you have any suggestions on how to improve our content, complete the form at rok.auto/docfeedback.
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Publication 1756-IN085B-EN-P - February 2021 | Supersedes Publication 1756-IN085A-EN-P-October 2019
Copyright © 2021 Rock well Automation, Inc. All rights reserved. Printed in the U.S.A.
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