ZEN27 S2 Dimmer Change Log

Here is a list of updates we made to the S2 ZEN27 model so far.

VER. 1.0 (released 10/2018)

Original release.

Firmware: 1.0

  • Included S2 security, OTA firmware updates, full ramp control, double tap from off to full brightness

VER. 2.0 (released 3/2019)


  • Terminal screws arrive loose (unscrewed) for easier installation
  • Added foam to packaging

Firmware: 2.0

  • Added scene control (2 triggers only)
  • Changed association settings to send separate reports for manual and Z-Wave control
  • Added the ability to control load by pressing any of the paddles
  • Added double-tap from on to full / maximum brightness
  • Reduced the amount of multilevel reports sent during manual dimming to a single report once button is released

VER. 2.01 (released 6/2019)


  • Made the LED indicator smaller

Firmware: 2.01

  • Added full scene control
  • Added double-tap behavior control
  • Added the ability to disable physical control

VER. 2.02 (released 6/2019)

Firmware: 2.02

  • Reduced manual control delay related to scene control functionality

VER. 2.03 (released 7/2019)

Firmware: 2.03

  • Extended duration for manual dimming to 4 seconds (the time it takes to go from 0 to 100% brightness when pressing and holding the paddle) for better brightness control experience

VER. 2.07 (released 10/2019)

Firmware: 2.07

  • Added instant on/off for physical ramp rate (value 0, parameter 9)
  • Added a setting to match physical and Z-Wave ramp rate automatically (parameter 17)
  • Added custom brightness level on setting (parameter 18)
  • Added the ability to disable Z-Wave control next to physical control (parameter 15, value 2)
  • Added on/off and live dimming reports on paddle presses when physical control is disabled for easier smart bulb control
  • Added a setting to assign custom association reports when physical control is disabled

VER. 2.08 (released as OTA 3/2020)

Firmware: 2.08

  • Added the ability to adjust reporting behavior for disabled physical control 
  • Added night light mode (press and hold the lower paddle to turn the light to low brightness)

All ZEN27 dimmers can be updated via OTA firmware updates, here is how to do that. You can request a firmware update file here, please include your order number for verification!

  • 299
  • 01-Apr-2020