
WEG
CFW320-IOAR
UPC: 7909836039310
Contact for Pricing
Overview
- 1 analog input (0-10V or 4-20mA)
- 1 analog output (0-10V or 4-20mA)
- 3 relay digital outputs
- Installs in slot 2 of CFW320 VFD
- Compatible with CFW320 series (0.25kW to 710kW)
Specifications
Mounting Type | Slot 2 |
Series | CFW320 |
Package Weight (Imperial) | 0.1936 LB |

39524
6-32 Square Drive Round Head Machine Screw Kit, 1/2" (100), 3/4" (90), 1" (65), 1-1/4" (50), 1-1/2" (40) and 2" (35), Zinc PlateFrequently Asked Questions
What communication protocols does the CFW320-IOAR support?
The module supports PROFIBUS, Modbus RTU, and CANopen for industrial communication.
What are the analog input/output ranges?
Analog inputs and outputs support 0-10V and 4-20mA signal ranges.
What is the weight of the CFW320-IOAR module?
The module weighs approximately 0.2 lbs.
Which slot does the CFW320-IOAR install into?
The module installs into slot 2 (lower) of the CFW320 VFD.
Is the CFW320-IOAR certified for safety standards?
Yes, it is CE, UL, cUL, and RoHS certified.
What motor power ratings are compatible with this module?
The CFW320-IOAR is compatible with CFW320 VFDs for motors from 0.25kW to 710kW.
How to Install the WEG CFW320-IOAR I/O Module
Step-by-step guide to install the CFW320-IOAR expansion module on a WEG CFW320 VFD.
Estimated time: 15m
Tools needed:
Phillips screwdriver
Supplies needed:
Mounting screws (provided)
- Power off the VFD
Ensure the CFW320 VFD is powered off and disconnected from the power source before installation.
- Locate slot 2
Identify slot 2 (lower slot) on the CFW320 VFD where the module will be installed.
- Align and secure the module
Align the CFW320-IOAR module with the slot and gently push it into place until it clicks securely.
- Connect wiring
Connect the analog inputs, outputs, and relay outputs according to the wiring diagram in the user manual.
- Power on and verify
Power on the VFD and verify that the module is recognized and functioning correctly in the drive settings.
Frequently Asked Questions about WEG
What certifications and standards do WEG products comply with?
WEG products meet extensive international standards across multiple critical categories, including safety, electromagnetic compatibility (EMC), functional safety, and regulatory compliance. Key certifications include UL, cUL, CE, TÜV Rheinland, and compliance with international standards such as EN 61800 series, IEC 61508, ISO 13849-1, and directives like Low Voltage (2014/35/EU), EMC (2014/30/EU), and RoHS. Their products are certified for safe operation in various industrial environments, with specific standards covering electrical safety, thermal performance, electromagnetic immunity, and environmental protection.
What is WEG's warranty policy?
WEG offers an 18-month standard warranty for automation products, covering defects in workmanship and materials. The warranty requires proper transportation, handling, storage, and installation within specified environmental conditions. Repairs must be performed by authorized WEG service, and the warranty is limited to the replacement or repair of the product itself, excluding consequential damages. Extended warranty options are available, including purchasing additional coverage at 2.5% of the product's selling price per year, up to 4 additional years.
What industries and applications are WEG products used for?
WEG products are extensively used across multiple industrial sectors, including packaging equipment, material handling, food processing, pumps, medical/lab equipment, door/gate openers, office machinery, and lawn/garden applications. Their versatile DC motors and variable frequency drives (VFDs) are designed for general industrial use, with solutions ranging from off-the-shelf products to custom OEM designs that meet UL/CSA standards for diverse manufacturing and processing environments.
What technical support does WEG offer?
WEG offers comprehensive technical support through multiple channels, including a dedicated Automation Service Department accessible via toll-free phone (1-877-934-3748) and email ([email protected]). They maintain a global network of accredited service centers worldwide, which customers can locate on their website. Additionally, WEG provides warranty support and technical assistance for their industrial automation products, with pre-approval required for warranty repairs.
What are the key features of WEG products?
WEG products feature advanced industrial automation technologies with key characteristics including high performance, flexibility, and connectivity. Their flagship CFW900 Variable Speed Drive demonstrates core product strengths: intelligent thermal management, built-in safety functions, IoT readiness, advanced energy saving capabilities, and comprehensive communication protocols. WEG drives offer robust performance with features like 150% overload capacity, modern graphic HMI, plug-and-play expansion modules, and compatibility across multiple industrial segments including food and beverage, pulp and paper, and manufacturing.
What communication protocols do WEG products support?
WEG products support multiple industrial communication protocols across their product lines, including EtherNet/IP, Modbus-TCP, Modbus-RTU, CANopen, and optional protocols like Profibus-DP and DeviceNet. Specifically, the PLC500 offers 2x Gigabit Ethernet Ports, 1x CAN Port, and 1x RS485 port, enabling seamless integration with major industrial communication networks.
What environmental ratings do WEG products have?
WEG products feature multiple environmental ratings and protection classes. They offer Protection Class 3C2 as a standard coating and Protection Class 3C3 as an optional extra coating, both compliant with IEC 60721-3-3. Environmental specifications include air relative humidity from 5% to 95% non-condensing, altitude ratings up to 1,000m standard (with current derating above that), and Pollution Degree 2 classification with non-conductive pollution requirements.
What accessories are available for WEG products?
WEG offers a comprehensive range of accessories across multiple product lines. For variable frequency drives like the CFW900, accessories include I/O expansion modules, communication modules, encoder modules, temperature transducer modules, relay output modules, and HMI accessories. These accessories expand communication capabilities, input/output functions, and application flexibility. Most accessories are interchangeable between drive frames and can be installed in backplane slots, with communication network accessories limited to one per variable speed drive.
What are the main product lines offered by WEG?
WEG offers a comprehensive range of industrial automation products, including variable frequency drives (CFW series like CFW100, CFW300, CFW500), soft starters (SSW series including SSW05, SSW07, SSW900), and the innovative Motion Fleet Management (MFM) system for predictive maintenance and asset monitoring. Their product lines are designed to support industrial automation needs across various sectors, providing solutions for motor control, fleet management, and operational efficiency.
How are WEG products typically installed?
WEG products are typically installed with careful attention to mounting specifications, protection ratings, and airflow requirements. For variable speed drives like the CFW900, installation methods include surface mounting, flange mounting, and side-by-side configurations with specific clearance guidelines. Installers must follow precise dimensional requirements for each product frame size, ensuring proper ventilation and electrical connections.

