9 - 30
9. LOADING AND INSTALLATION
9.6 Precautions when Connecting the Uninterruptible Power Supply (UPS)
Connect the programmable controller system to the uninterruptible power supply (UPS), 
while paying attention to the followings.
When connecting an uninterruptible power supply (UPS) to the programmable controller 
system, use an online UPS or line-interactive UPS with a voltage distortion rate of 5% or 
less. When connecting a standby UPS, use a Mitsubishi FREQUPS FW-F series UPS 
(hereinafter FW-F series UPS)
*1
. (Example: FW-F10-0.3K/0.5K)
Do not use any standby UPS other than the FW-F series UPS.
*1 The FW-F series UPS whose serial number starts with the letter "P" or later, or ends with the 
letters "HE" is applicable.
Starts with "P" or later
Ends with "HE"