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Digital Commissioning Tool w/USB

LMCT-100-2 Wattstopper
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The LMCT-100-2 Wireless Configuration Tool is a handheld tool for advanced remote configuration of any Wattstopper Digital Lighting Management (DLM) system. The tool enables system and device modifications via pushbutton, without ladders or tools, as well as easy duplication of settings between DLM local networks.
Color Black
Application Sector None
  • None


  • Wireless advanced configuration capabilities for Digital Lighting Management systems
  • Component of Digital Lighting Management integrated control systems
  • Easy-to-read OLED screen
  • Micro-USB port allows easy updating of firmware
  • 2-way IR communication for data upload, download, confirmation and storage
  • Easy-to-use navigation pad
  • Configures occupancy sensors, switches, room controllers, photosensors and DLM relay panels


General Info
Product Line Wattstopper
UPC Number 754182941766
Country Of Origin China
Product Width US 1.0 in
Product Weight US 0.54 lb
Product Volume US 31.25 cu in
Product Depth US 3.1 in
Product Height US 5.6 in


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Questions & Answers

I have a LMCT-100 which has HW=5 and Version FW=5.24. What are my options for up grades, does not have a USB plug?

Asked by: Barry
Hi Barry, Sorry, that LMCT-100 has been discontinued and replaced with the upgradable LMCT-100-2. If the remote does not have the USB port in the battery compartment, then no upgrade is available.
Answered by: Tier 1 Tech Support
Date published: 2023-03-07

How to update firmware. Getting message driver is unavailable . STM32 BOOTLOADER driver is unavailable. How can I fix this .

Asked by: Bill
Please reach out to our tech. support team for further assistance with upgrading the LMCT-100. Legrand Technical Support: Phone: 1800-879-8585, Option 1 Mon - Fri: 7am - 7pm CST (excluding holidays)
Answered by: Tier 1 Tech Support
Date published: 2022-12-12

Trying to upgrade LMCT-100-2 from version 6.14 to current 6.29 Made it to the point where the file to upgrade is selected and the program says the file is in the incorrect format. It doesn't like the .hex file. How is it uploaded?

Asked by: Steve H
There is a problem with that HEX file and cannot be upgrade to the LMCT-100-2. A very lazy company!!!! https://legrand.webdamdb.com/directdownload.php?ti=44269428&tok=Ma3CbkORPkhMgEve/B9WyQRR
Answered by: Little
Date published: 2022-11-02

What is the toggleNT mode?

Asked by: Andy
ToggleNT is short for Toggle Non- Tracking By default, when the Type is Group, the Mode is set to ToggleNT. With this value, the button will toggle, but the LED will not track the actual settings of the loads. Additionally, the button will not track if another source such as a sensor turns the load ON. The reason for this is that the button can’t track the status of all loads in the group.
Answered by: Tier 1 Tech Support
Date published: 2022-06-13

Why will the system not go into plug n go

Asked by: Zack
There are a variety of reasons why a DLM system does not go into plug n go. There may be wiring issues or the controller may need to be reset. Please contact Wattstopper Technical Support for more info @ 800-879-8585.
Answered by: Tier 1 Tech Support
Date published: 2022-06-08

is the LMCT-100-2 with firmware 6.14 compatible with WS-FSP-221B

Asked by: jason
No, you will need a FSIR-100 remote to program FSP- 2X1 sensors.
Answered by: Tier 1 Tech Support
Date published: 2022-04-13

I am looking for all the button feature on LMCT 100-2

Asked by: lan lu
The full LMCT-100-2 User Guide is available on our website at: https://www.legrand.us/lighting-controls-and-systems/digital-lighting-management/software-and-configuration-tools/digital-commissioning-tool-w-usb/p/lmct-100-2. If you have any issues accessing this link, please contact Technical Support at 800-879-8585.
Answered by: Tier 1 Tech Support
Date published: 2022-01-12

How do you reset a LMRC-213 back to factory plug n go setting.

Asked by: Kirk
There are 2 ways to reset the LMRC-213. The first is using the LMCT-100-2 go to Utilities > Force System Into PNG. It will ask are you sure? Press select again and the LMRC as well as other attached DLM products will be set back to factory PNG settings. The second method is to hold the configure button on the LMRC (or other attached DLM devices) for 5 seconds. When the red LED flashes rapidly hold the button for 20 seconds letting go when the LED begins to flash again.
Answered by: Tier 1 Tech Support
Date published: 2022-01-12
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