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PLC Expansion Unit



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  • Part Number: KV-16EYRW
  • Manufacturer: Keyence
  • Series: KV Series PLC

Product Description

The KV-16EYRW is a Keyence super-small programmable logic controller. This unit has sixteen relay outputs and is an expansion unit. 

The front of the KV-16EYRW includes a small LCD screen that offers multiple data points to users.   The small gray unit is marked with the Keyence logo and with the part ID number.  The front faceplate includes four input buttons, including a toggle up and a toggle down button.  

Additionally, there are markings for inputs and outputs at the top and bottom of the unit, with input and output indicator lamps (LEDs).   Input terminal blocks are located at the top of the unit and output terminal blocks are located at the bottom.  Power inputs are also located at the bottom of the unit.  The front faceplate also has two communication ports located on the left-hand side.  

The side of the unit has an input voltage selector switch.  This allows the unit to be set at 24V or 5V. 

Wiring the KV-16EYRW should be done in such a way to reduce line noise.   When wiring the unit, it is best to keep the I/O signal lines away from any sort of power wiring by a minimum distance of 100 mm.  If this is not possible, use batch-shielded cables to perform grounding on the KV side. 

Additional information regarding the wiring and installation of this unit can be sourced from original Keyence documentation.  This includes data sheets, user guides, manuals from the OEM.  If you no longer have these documents, we may be able to help. 

Frequently Asked Questions about KV-16EYRW

What are some precautions I should take when wiring my I/O Keyence Unit?
These precautions are very important and should be followed closely. When wiring, the input wires should be seperated from the output wires and if the voltage or current is to large an error/malfunction could happen if the wires are to close to the input and output signal lines. To provent this, the input and output signal lines should be at least 100 mm away from the power wires. If wiring with pipes, just make sure that they are firmly grounded. If the input and output signal lines can not be separated, then the cables need to be shielded and the grounding needs to be on the KV side.
How do I ground the Keyence KV-16EYRW expansion PLC unit?
These Keyence expansion PLC units KV series do not need to be grounded because they are made to resist noise. Unfortunatly, grounding is recommended when this unit is used in an environment where there is a lot of noise. The resistance of the ground should be 100 or less. Seperate grounding is recommended but if it is not possible, the length of each ground cable must be the same, if one cable is shorter or longer than the other, it is not recommended. There is a figure in the manual that explains how to ground one of these units, in chapter 2 page 93, with a manual part number as 96M0364.

Repair Services For KV-16EYRW

Type Lead Time Price Action
Repair Service 1-2 weeks $759

Our highly skilled technicians can repair your KV-16EYRW. All of our repairs come with a 3 Year AX Control Warranty. Please contact us for additional information about our repair process. To receive the repair pricing and lead time listed above please process your repair order via our website. The following repair options may be available upon request:

  • 48-72hr Rush Repair
  • Detailed Repair Reports
  • AX Control Certificate of Warranty

AX Control Warranty Info

All products we sell are backed by our unparalleled warranty. A warranty certificate will be provided with your order upon request.
All PLCs, HMIs, and Turbine Control Boards: 3 Years
All AC/DC and Servo Drives: 2 Years
All Motors: 1 Year
Learn More

KV-16EYRW Manuals, White Papers, Data Sheets, and Troubleshooting