Mitsubishi Electric FR-A820-00046 Instruction Manual page 489

Parameters
Follows the Pr. 338 "Communication operation command source" and Pr. 339 "Communication
speed command source" settings. (Refer to page 5-282.)
At occurrence of a communication error, the inverter cannot be reset from the computer.
Enabled only when stopped by the PU. PS is displayed on the operation panel during PU stop.
Follows the Pr. 75 "Reset selection/disconnected PU detection/PU stop selection" setting. (Refer to
page 5-200.)
Writing of some parameters may be disabled by the Pr. 77 "Parameter write selection" setting and
the operating condition. (Refer to page 5-211.)
Some parameters are write-enabled independently of the operation mode and command source
presence/absence. Writing is also enabled when Pr. 77 = "2". (Refer to page 5-211.) Parameter clear
is disabled.
When Pr. 550 "NET mode operation command source selection" = "1" (RS-485 terminals enabled),or
Pr. 550 = "9999" with no communication option connected.
FR-A800-E: When Pr. 550 "NET mode operation command source selection"= "5" (Ethernet connec-
tor enabled), or Pr. 550 = "9999" with no communication option connected.
When Pr. 550 "NET mode operation command source selection" = "0" (communication option
enabled), or Pr. 550 = "9999" with communication option connected.
FR-A800-E only
FR-A800-E: Not available.
The frequency can be set by multi-speed setting or input through terminal 4.
FR-A800
(D) Operation command and frequency command
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