1794 Sg002h En P Flex Io And Flex Io Xt Selection Guide

Summary

FLEX I/O and FLEX I/O-XT
Bulletin 1794
Selection Guide
FLEX I/O and FLEX I/O-XT Selection Guide
What’s Inside
Topic Page
What’s New 2
Chapter 1 - About the FLEX I/O System 3
FLEX I/O Overview 3
FLEX I/O XT Overview 4
General FLEX I/O and FLEX I/O-XT Specifications 5
Specify a FLEX I/O or FLEX I/O XT System 6
Chapter 2 - Select FLEX I/O Communication Adapters 7
CIP Network Infrastructure 7
Select a Network 8
EtherNet/IP Network 8
ControlNet Network 9
DeviceNet Network 10
Other Networks – Remote I/O 11
Other Networks – PROFIBUS DP 12
Chapter 3 - Select FLEX I/O Modules 13
Digital I/O Modules 13
Modules Specifications 16
FLEX I/O Analog, Thermocouple and RTD Modules 28
FLEX I/O Analog Output Modules 40
FLEX I/O Counter Modules 44
Chapter 4 - Select a FLEX I/O Terminal Base Unit 51
Chapter 5 - Select a FLEX I/O Power Supply 53
Power Supply Definitions 53
Power Requirements and Transformer Sizing 54
Appendix A - Select Optional Accessories 55
Appendix B - Mount the FLEX System 57
Additional Resources 59
What’s New
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
Updated FLEX I/O and FLEX IO-XT temperature ratings and certifications 5
Added 1794-AENTK module and updated EtherNet/IP catalog specifications 8 and 9
Removed discontinued 1794-OA8K module 14
Added 1794-IB32K module 14
Removed discontinued 1794-OW8K module 15
Added 1794-IA16K module 16
Added 1794-OA16K module 17 and 18
Added 1794-IB32K 19
Added 1794-IB16DK module 23 and 24
Added new K catalog terminal base modules 27, 51, and 52
Added 1794-IE12K module 28, 30, and 31
Updated 1794-IE12 specifications 31
Added cold junction compensation specification 36 and 37
Added 1794-IE8XOE4K module 37
Updated 1794-IE8XOE4K specifications 37 and 38
Updated power dissipation specifications 40 and 41
Added new FLEX I/O power supply modules 53 and 54
Removed mention of obsolete FLEX Ex modules throughout
2 Rockwell Automation Publication 1794-SG002H-EN-P - November 2021
Chapter 1
About the FLEX I/O System
FLEX I/O Overview
FLEX I/O offers:
Adapter Terminal base I/O module
FlexBus connectors Keyswitch
FlexBus connectors
22
++
Network
Connector 24V DC field power Terminal strips
FLEX™ I/O is a Distributed I/O System that connects to several Networks including EtherNet/IP™, ControlNet®, and DeviceNet®

Flexible, low-cost, modular I/O for distributed applications. FLEX I/O offers all the functions of larger, rack-based I/O without the space
requirements

Independently select the I/O, termination style, and network to meet your application needs

Two separate connection terminals for field power let you daisy chain power connections to adjacent terminal bases

One adapter communicates with up to eight I/O modules. Allows connection to:
• 256 digital input/output points, or
• 96 analog input/output points, or
• mix of I/O to meet your needs

Modularity of FLEX I/O system provides choice of network and ease of expansion. The wiring terminations are done almost entirely on the terminal
base. Terminal base termination selection includes screw-clamp, spring-clamp, and cage-clamp to wire directly to 2-, 3-, or 4-wire devices

Additional options of D-shell, knife disconnect, and fused terminal bases are available

Adjustable keyswitch helps prevent incorrect module insertion into a pre-configured terminal base

Terminal bases can be exchanged without moving other bases in your system

If desired, connect individual power supplies to each base to isolate modules. Plug the I/O module into the terminal base to connect the I/O bus and
field devices

Remove and insert modules under power. No direct wiring to the module enables you to change modules without disturbing field wiring or system
power

Mix and match I/O modules. There is a wide variety of digital, analog, and specialty modules

Each FLEX I/O system contains at least one adapter, one terminal base, and one I/O module

Rockwell Automation Publication 1794-SG002H-EN-P - November 2021 3
Chapter 1 About the FLEX I/O System
You can power the system with a FLEX power supply (1794-PS13 or -PS3), a 1606 switched mode power supply, or any other compatible power
source. Use the terminal block on the terminal base to wire your field devices directly. Wiring directly saves you:
• installation and testing time
• multiple, long wiring runs and external terminal blocks
• control cabinet panel space
FLEX I/O provides additional savings if system problems develop. Combining your field-wiring terminations and the I/O interface into the same
location saves you time and money by making your system easier to maintain and troubleshoot. Additionally, the full-featured FLEX I/O system lets
you, in non-hazardous location, remove, and insert modules under backplane power without disrupting your system

Your FLEX I/O system can communicate on EtherNet/IP, ControlNet, DeviceNet, and many other open networks including, but not limited, to Remote
I/O and PROFIBUS DP

Adapters and other components are available for adding to your system as your specific application requirements change

FLEX I/O XT Overview
FLEX I/O-XT™ modules are designated for extreme environment use

They differ from their non-XT counterparts only in operational temperature ranges and conformal coating is standard for FLEX I/O-XT products

FLEX I/O-XT modules meet or exceed the following standards:
• ANSI / ISA-S71.04-1985; Class G1, G2, and G3 Environments
• CEI IEC 6065A-4; Class 1 and 2 Environments
• UL 746E
• MIL-1-46058C to ASTM-G21; (Tropicalization and fungicide)
These standards specify common emissions and classify their concentration levels in a number of industrial processes. Just a few of the common
reactive agents that the FLEX I/O-XT modules protect against are:
• H2S – Hydrogen sulfide
• SO2, SO3 – Sulfur dioxide
• CnHn – Hydrocarbons
• NOx – Oxides of nitrogen
• CI2 – Wet Chlorine / Dry Chlorine
• NH3 – Ammonia
4 Rockwell Automation Publication 1794-SG002H-EN-P - November 2021
Chapter 1 About the FLEX I/O System
General FLEX I/O and FLEX I/O-XT Specifications
The following table shows the similarities and differences between the FLEX I/O and the FLEX I/O-XT specifications

Specifications Comparison
Attribute(1) 1794 FLEX I/O 1794 FLEX I/O XT
Temperature, operating(2) 0…55 °C (32…131 °F) -20…+70 °C (-4…+158 °F)
Temperature, nonoperating -40…+85 °C (-40…+185 °F) -40...+85 °C (-40…+185 °F)
Relative humidity 5…95% noncondensing
Shock, operating(3) 30 g peak acceleration, 11 (±1) ms pulse width
Shock, nonoperating(1) 50 g peak acceleration, 11 (±1) ms pulse width
Vibration Tested 5 g @ 10…500 Hz per IEC 68-2-6
Wire size 0.34 mm2…2.5 mm2 (22…12 AWG) stranded copper wire rated at 75 °C or higher
1.2 mm (3/64 in.) insulation max
conformal coated to meet or exceed the following standards:
• ANSI / ISA-S71.04-1985; Class G1, G2, and G3 Environments
Atmospheric protection(4) non-conformal coated • CEI IEC 6065A-4; Class 1 and 2 Environments
• UL 746E
• MIL-1-46058C to ASTM-G21; (Tropicalization and fungicide)
• UL Listed Industrial Control Equipment
• UL Listed for Class I, Division 2 Groups A, B, C, D Hazardous Locations
• CE Marked for all applicable directives
• CE / ATEX
• IECEx
• RoHS
• RCM Marked for all applicable acts
• TÜV
Certifications (when product is marked)(5) • EAC
• Morocco
• CCC
• KC
• Marine Certification
• SIL 2 Certification
• ODVA
• ControlNet
(1) For all other product-specific specifications, including environmental and certification, see the product sections within this Selection Guide

(2) Operating temperature may vary per catalog. Refer to the product sections within this selection guide for catalog-specific information

(3) To maintain these specifications, you must use DIN rail locks

(4) General specifications does not apply to catalogs that are conformal coated but non-XT modules. See the respective technical data sheet for module-specific data

(5) See the Product Certification website, rok.auto/certifications for Declarations of Conformity, Certificates, and other certification details

Rockwell Automation Publication 1794-SG002H-EN-P - November 2021 5
Chapter 1 About the FLEX I/O System
Specify a FLEX I/O or FLEX I/O XT System
Follow these steps as you specify your FLEX I/O or FLEX I/O XT system:
 Step See Page
1. Select a communication adapter CIP Network Infrastructure 7
Choose the network for your operating system

Select a Network 8
2. Select I/O modules based on field device
• location of the device
• your application Digital I/O Modules 13
• number of points needed FLEX I/O Analog, Thermocouple and RTD 28
• number of points available per module Modules
• number of modules
Or use the Integrated Architecture® Builder tool at rok.auto/ FLEX I/O Counter Modules 44
systemtools

3. Select a terminal base
Choose an appropriate terminal base for your modules. General Specification Comparison 52
4. Choose appropriate power supplies
Power Supply Definitions 53
• Choose appropriate power supply
• Ensure sufficient power for the communication adapter and Power Requirements and Transformer 54
modules Sizing
5. Determine mounting requirements and select accessories
• Determine whether to panel mount or DIN rail mount the Mount the FLEX System 57
FLEX I/O system and at what orientation (horizontal or
vertical) 1794-CE1 and 1794-CE3 Extender Cables 55
• Choose appropriate optional accessories to enhance your
system 1794-NM1 FLEX I/O Mounting Kit 55
1492-EA35 DIN Rail Locks 55
1794-LBL FLEX I/O Label Kit 56
6 Rockwell Automation Publication 1794-SG002H-EN-P - November 2021
Chapter 2
Select FLEX I/O Communication Adapters
Step 1 – Select:
a communication adapter based on the appropriate network
A FLEX I/O adapter module interfaces FLEX I/O modules to an I/O scanner port across a communication network. The FLEX I/O adapter module
contains a built-in power supply that converts 24V DC to 5V DC for the backplane to power the FLEX I/O modules

• Your 1794 FLEX I/O system can communicate on:
• EtherNet/IP
• ControlNet, single media or redundant
• DeviceNet
• Many other open networks including, Remote I/O, PROFIBUS DP, and others from PartnerNetwork™ Technology Partners
CIP Network Infrastructure
The Common Industrial Protocol (CIP™) allows complete integration of control with information, multiple CIP networks, and standard Internet
technologies. CIP provides manufacturers with a scalable and coherent architecture incorporating discrete, process, safety, synchronization and
motion applications using the same network technology as the ERP, MES enterprise levels applications. Ultimately, network convergence helps align
technology with business goals for business process transformation and enterprise-wide visibility

The following networks share the Common Industrial Protocol at their upper levels, while remaining media independent at their lower levels. This
allows manufacturers to specify the best network for their application and eliminate costly and complex gateways when connecting dissimilar
upper level networks

• EtherNet/IP is an open industrial networking standard that supports implicit and explicit messaging and uses commercial, off-the-shelf
Ethernet equipment and physical media

• ControlNet allows intelligent, high-speed control devices to share the information required for supervisory control, work-cell coordination,
operator interface, remote device configuration, programming, and troubleshooting

• DeviceNet offers high-speed access to plant-floor data from a broad range of plant floor devices and a significant reduction in wiring

Rockwell Automation Publication 1794-SG002H-EN-P - November 2021 7
Chapter 2 Select FLEX I/O Communication Adapters
Select a Network
You can configure your system for information exchange between a range of field devices and a specific scanner. You select the communication
adapters for the networks that meet your needs:
Table 1 - Network Comparison by Application Requirement
Application Requirements Network(1) Communication Adapter
• Plant management (material handling)
• Configuration, data collection, and control on a single, high-speed network 1794-AENT
• Time-critical applications with no established schedule 1794-AENTK
EtherNet/IP
• Data sent regularly 1794-AENTR
• Internet/Intranet connection 1794-AENTRXT
• Built-in switch, or high availability requirement (2-port AENTR)
1794-ACN15
• High-speed transfer of time-critical data between controllers and I/O devices 1794-ACN15K(2)(3)
• Deterministic and repeatable data delivery ControlNet
• Media redundancy 1794-ACNR15(4)
1794-ACNR15XT(5)
• Connections of low-level devices to plant floor controllers
1794-ADN
• More diagnostics for improved data collection and fault detection DeviceNet 1794-ADNK
• Less wiring and reduced startup time than a traditional, hard-wired system
1794-ASB(3)
• Connections to Remote I/O networks Remote I/O
1794-ASB2(3)
• Connection to PROFIBUS DP and DPV1 networks PROFIBUS DP 1794-APB(3)
PROFIBUS DPV1 1794-APBDPV1
(1) Communication adapters and other components are available for adding to your system as your specific application requirements change. For more information, go to
https://locator.rockwellautomation.com/Technology and search for products under the FLEX I/O platform

(2) Modules that have the letter K in the last position of the catalog number, before the series designation, refer to conformal coated versions of the standard modules. These modules meet the following
certifications: ANSI / ISA-S71.04-1985, Class G1, G2, and G3 environments; CEI IEC 6065A-4 Class 1 and 2 environments; UL 746E

(3) Discontinued catalogs may not have updated specifications. For more information about a specific discontinued catalog, refer to individual installation instructions

(4) Modules that have the letter R in the catalog number, before the series designation, refer to redundancy versions of the standard modules and are meant for redundancy networks

(5) Modules that have the letters XT in the catalog number, before the series designation, refer to extended temperatures version of the standard modules

EtherNet/IP Network
EtherNet/IP is a network suitable for use in industrial environment and time-critical applications. EtherNet/IP uses standard Ethernet and TCP/IP
technologies and an open application layer protocol called the Control and Information Protocol (CIP). CIP is also the application layer used in
DeviceNet and ControlNet networks. The open Application Layer protocol makes interoperability and interchangeability of industrial automation and
control devices on EtherNet/IP a reality for automation and control applications

The 1794-AENT and 1794-AENTR connect FLEX I/O to EtherNet/IP enabled controllers such as ControlLogix® or CompactLogix™

Figure 1 - EtherNet/IP Communication
ControlLogix processor with CompactLogix
1756-ENBT module controller
EtherNet/IP network
8 7
1783 Stratix®
6 5
4 3
2 1 Switch
(1794-AENT) FLEX I/O
(1794-AENTR) (1756-ENBT) 1756 I/O
Table 2 - FLEX I/O EtherNet/IP Adapter Specifications
Attribute 1794-AENT 1794-AENTK 1794-AENTR 1794-AENTRXT
I/O module capacity 8
Communication rate 10/100 Mbps
Power consumption at 24V DC 550 mA, 440 mA @ 24V DC
8 Rockwell Automation Publication 1794-SG002H-EN-P - November 2021
Chapter 2 Select FLEX I/O Communication Adapters
Table 2 - FLEX I/O EtherNet/IP Adapter Specifications (Continued)
Attribute 1794-AENT 1794-AENTK 1794-AENTR 1794-AENTRXT
Power dissipation, max 7.3 W @ 19.2V DC 7.1 W @ 19.2V DC 6.1 W @ 19.2V DC
Thermal dissipation 24.9 BTU/hr @ 24V DC 24.2 BTU/hr @ 24V DC 20.8 BTU/hr @ 24V DC
400 mA @ 24V DC
Power supply 24V current load 450 mA 500 mA max
Power supply input voltage, nom 24V DC
Operating voltage range 19.2…31.2V DC (includes 5% AC ripple)
Ethernet interface 1 – RJ45 category 5 2 – RJ45 category 5
87 x 94 x 69 mm 87 x 94 x 92 mm
Dimensions (HxWxD), approx 3.4 x 3.7 x 2.7 in. 3.44 x 3.7 x 3.6 in

Weight, approx. 179 g (6.31 oz) 227 g (8.01 oz.)
-25…+70 °C
Temperature, operating 0…55 °C (32…131 °F) (-13…+158 °F)
Device Level Ring Topology
A DLR network is a single-fault tolerant ring network intended for the interconnection of automation devices. FLEX I/O modules can connect to a DLR
network using EtherNet/IP taps. The following is an illustration of how FLEX I/O systems can be integrated into a DLR topology

ControLogix
Computer 1756-EN2TR
1783-ETAP
PanelView™ 1794-AENTR FLEX I/O
EtherNet/IP network
1783-ETAP
ControlLogix
1756-EN2TR
ControlNet Network
ControlNet is a real-time control network that provides high-speed transport of both time-critical I/O and interlocking data and messaging data,
including upload/download of programming and configuration data on a single physical media link. The ControlNet network’s highly efficient data
transfer capability significantly enhances I/O performance and peer-to-peer communication in any system or application where it is used

The 1794-ACNR15 adapter is capable of accepting redundant ControlNet cable media. The 1794-ACN15 is a non-redundant version

The following diagram shows the FLEX I/O platform on a ControlNet network

Figure 2 - ControlNet Communication
ControlLogix
ControlNet network
1794 FLEX I/O
POINT I/O™
Local computer
1794-ACN(R)15
Rockwell Automation Publication 1794-SG002H-EN-P - November 2021 9
Chapter 2 Select FLEX I/O Communication Adapters
Table 3 - FLEX I/O ControlNet Adapter Specifications
Attribute 1794-ACN15, 1794-ACN15K(1), 1794-ACNR15, 1794-ACNR15XT
I/O module capacity 8
Communication rate 5 Mbps
Power consumption at 24V 7.9 W
Inrush current at 24V 23 A for 2 ms
Power dissipation, max 4.6 W @ 19.2V DC
Thermal dissipation 15.7 BTU/hr @ 19.2V DC
Power supply 24V current load 330 mA
Power supply 24V output current, max 450 mA
Power supply input voltage, nom 24V DC
Operating voltage range 19.2…31.2V DC (includes 5% AC ripple)
Allen-Bradley® RG-6/U Quad shield coax, part no. 1786-RG6 (standard-PVC CM-CL2)
ControlNet cable or 1786-RG6F/A (high-flex)
Isolation voltage Tested @ 850V DC for 1 s, user power to system
87 x 94 x 92 mm
Dimensions (HxWxD), approx 3.4 x 3.7 x 3.6 in

-20…+55 °C (-4…+131 °F)
Temperature, operating -25…+70 °C (-13…+158 °F) – 1794-ACNR15XT only
(1) Discontinued catalogs may not have updated specifications. For more information about a specific discontinued catalog, refer to individual installation instructions

DeviceNet Network
The DeviceNet network is an open low-level network that provides connections between simple industrial devices (such as sensors and actuators)
and higher-level devices (such as PLCs and computers). The DeviceNet network uses the proven Common Industrial Protocol (CIP) to provide the
control, configure, and data collection capabilities for industrial devices. The DeviceNet network is a flexible network that works with devices from
multiple vendors

The following illustration shows the FLEX I/O platform on a DeviceNet network

Figure 3 - DeviceNet Communication
ControlLogix processor
CompactLogix processor
DeviceNet network
DNet In DNet Out
MOD NET
I-0 I-15
I-1 I-14
I-2 I-13
I-3 I-12
I-4 I-11
I-5 I - 10
1794 FLEX I/O
I-6 I-9
I-7 I-8
0 0
POINT I/O
8 2 8 2
6 4 6 4
X10 X1
ArmorBlock® I/O
Host computer with
DeviceNetManager™ software
1784-PCD module
10 Rockwell Automation Publication 1794-SG002H-EN-P - November 2021
Chapter 2 Select FLEX I/O Communication Adapters
Table 4 - FLEX I/O DeviceNet Adapter Specifications
Attribute 1794-ADN, 1794-ADNK
I/O module capacity 8
125 Kbps
Communication rate 250 Kbps
500 Kbps
Power consumption at 24V 7.9 W
Inrush current at 24V 23 A for 2 ms
Power dissipation, max 4.6 W @ 19.2V DC
Thermal dissipation 15.7 BTU/hr @ 19.2V DC
Power supply 24V current load 330 mA
Power supply 24V output current, max 450 mA
Power supply input voltage, nom 24V DC
Operating voltage range 19.2…31.2V DC (includes 5% AC ripple)
Allen-Bradley part no. 1485C-P1-Cxxx. See publication
DeviceNet cable DNET-UM072 for more information

Extended Local Cable: 1794-CE1 (0.3 m) or 1794-CE3 (0.9 m)
Isolation voltage Tested @ 850V DC for 1 s, user power to system
87 x 68 x 69 mm
Dimensions (HxWxD), approx 3.4 x 2.7 x 2.7 in

Temperature, operating -20…+70 °C (-4…+158 °F)
Other Networks – Remote I/O
The 1794-ASB and 1794-ASB2 adapters provide connection to the Remote I/O network

The 1794-ASB2 supports only two FLEX I/O modules. The 1794-ASBLT is only for use with classic PLC 5/15 or PLC 5/25 processors

ATTENTION: Do not use these Remote I/O adapters with the Classic PLC-5/15 or PLC-5/25 processors. Improper operation of the
remote I/O may result

• 1794-ASB, Series E
• 1794-ASB2, Series D
• 1794-ASB2K, Series D
Figure 4 - Other Network Communication
ControlLogix processor with
1756-DHRIO modules
Universal Remote I/O Link
1794-CE1 30.5 cm (1 ft) or 1794-
(1794-ASB) FLEX I/O CE3 91.4 cm (3 ft) extender cable
(1794-ASB) FLEX I/O
2711P PanelView™ Plus
Terminal
PowerFlex® 70 Drive FLEX I/O
Table 5 - FLEX I/O Remote I/O Adapter Specifications
Attribute 1794-ASB(1), 1794-ASBLT(1)(2) 1794-ASB2(1)
I/O module capacity 8 2
57.6 Kbps
Communication rate 115.2 Kbps
230.4 Kbps
Power consumption at 24V 7.9 W 4.2 W
Rockwell Automation Publication 1794-SG002H-EN-P - November 2021 11
Chapter 2 Select FLEX I/O Communication Adapters
Table 5 - FLEX I/O Remote I/O Adapter Specifications
Attribute 1794-ASB(1), 1794-ASBLT(1)(2) 1794-ASB2(1)
Inrush current at 24V 23 A for 2 ms
Power dissipation, max 4.6 W @ 19.2V DC 3.4 W @ 19.2V DC
Thermal dissipation 15.7 BTU/hr @ 19.2V DC 11.6 BTU/hr @ 19.2V DC
Power supply 24V current load 330 mA 175 mA
Power supply input voltage, nom 24V DC
Operating voltage range 19.2…31.2V DC (includes 5% AC ripple)
Remote I/O: Belden 9463 or equivalent as specified in Allen-Bradley Approved Vendor List, publication ICCG-2.2
DeviceNet cable Allen-Bradley pin connector part no. 942029-03
Isolation voltage Tested @ 850V DC for 1 s, user power to system
87 x 68 x 69 mm
Dimensions (HxWxD), approx 3.4 x 2.7 x 2.7 in

Temperature, operating -20…+55 °C (-4…+131 °F)
(1) Discontinued catalogs may not have updated specifications. For more information about a specific discontinued catalog, refer to individual installation instructions

(2) The 1794-ASBLT is only for use with Class PLC 5/15 or PLC 5/25 processors

Other Networks – PROFIBUS DP
Use the 1794-APB or 1794-APBDPV1 adapter to connect to a PROFIBUS DP network

Table 6 - FLEX I/O PROFIBUS I/O Adapter Specifications
Attribute 1794-APB(1) 1794-APBDPV1
I/O module capacity 8
57.6 Kbps
Communication rate 115.2 Kbps All rates up to 12 Mbps
230.4 Kbps
Power consumption at 24V 7.9 W 9.6 W
Inrush current at 24V 23 A for 2 ms
Power dissipation, max 5.3 W @ 19.2V DC 4.2 W @ 19.2V DC
Thermal dissipation 17.9 BTU/hr @ 19.2V DC 14 BTU/hr @ 19.2V DC
Power supply 24V current load 450 mA 640 mA
Power supply input voltage, nom 24V DC
Operating voltage range 19.2…31.2V DC (includes 5% AC ripple)
PROFIBUS connector 9-pin D-shell; PROFIBUS standard drop cable
Isolation voltage Tested @ 850V DC for 1 s, user power to system Tested @ 850V DC for 60 s, PROFIBUS to backplane to power
87 x 68 x 69 mm
Dimensions (HxWxD), approx 3.4 x 2.7 x 2.7 in

Temperature, operating 0…55 °C (32…131 °F)
(1) Discontinued catalogs may not have updated specifications. For more information about a specific discontinued catalog, refer to individual installation instructions

Our PartnerNetwork Technology Partners offer adapters for connecting to RS-232/422/485, Serial/DF1, and Modbus. For details, go to
https://locator.rockwellautomation.com/Technology and search for products under the FLEX I/O platform

12 Rockwell Automation Publication 1794-SG002H-EN-P - November 2021

Added new K catalog terminal base modules 27, 51, and 52 Added 1794-IE12K module 28, 30, and 31 General specifications does not apply to catalogs that are conformal coated but non-XT module s. See the respective technical data sheet for module-specific data. allows manufacturers to specify the best network for their appl ication and

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Frequently Asked Questions

What is the difference between flex 1794 analog hart io modules?

Overall, compared to the FLEX 1794 Analog-HART I/O modules, the FLEX 5000 highly-integrated HART I/O modules greatly improve the operational efficiency of machines through increased uptime. There are three specialty I/O modules within FLEX 1794 series, which include a very High-Speed counter module, Frequency modules, and Pulse Counter modules.

Why choose bulletin 1794 flex?

Our Bulletin 1794 FLEX™ I/O modules offer flexibility for your application with digital, analog, HART analog, and specialty I/O, with 4…32 points per module. You can mix and match digital and analog I/O with mounting and wiring options. Modular design provides the flexibility to select the I/O, termination style and network interface independently

Where can i find complementary 1794 flex io products?

Our PartnerNetwork™ offers complementary product solutions for 1794 FLEX I/O modules through our Technology Partner program. You can sort and filter products from best-in-industry suppliers in your region to connect to the Rockwell Automation® architecture, or to use with our products. BETA Our Product Selection is getting an update!

What is the difference between flex 1794 and flex 5000 io?

But the 1794 FLEX I/O series can withstand a higher amount of shock when in a non-operating mode compared to FLEX 5000 series. However, the FLEX 5000 I/O modules are built for use in hazardous areas such as radiation-exposed zones where other modules cannot be used.