Mitsubishi Electric FR-A740-00023 Instruction Manual page 322

Selection of operation mode and operation location
Condition
Operation
(Pr. 551
Location
Setting)
Item
Inverter reset
Run command
(start, stop)
⎯
Frequency setting
*1 As set in Pr. 338 Communication operation command source and Pr. 339 Communication speed command source. (Refer to page 310)
*2 At occurrence of RS-485 communication error, the inverter cannot be reset from the computer.
*3 Enabled only when stopped by the PU. At a PU stop, PS is displayed on the operation panel. As set in Pr. 75 Reset selection/disconnected PU
detection/PU stop selection. (Refer to page 295)
*4 Some parameters may be write-disabled according to the Pr. 77 Parameter write selection setting and operating status. (Refer to page 298)
*5 Some parameters are write-enabled independently of the operation mode and command source presence/absence. When Pr. 77 = 2, write is
enabled. (Refer to page 65 for the parameter list)Parameter clear is disabled.
*6 When Pr. 550 NET mode operation command source selection = 1 (RS-485 terminals valid) or Pr. 550 NET mode operation command source selection =
9999 and the communication option is not fitted.
*7 When Pr. 550 NET mode operation command source selection = 0 (communication option valid) or Pr. 550 NET mode operation command source selection
= 9999 and the communication option is fitted.
(4) Operation at alarm occurrence
Operation
Alarm
Definition
Condition
(Pr. 551 setting)
⎯
Inverter fault
PU
2 (PU connector)
disconnection
of the PU
Except for 2
connector
Communication
2 (PU connector)
alarm of PU
connector
Except for 2
1 (RS-485 terminals)
Communication
alarm of RS-
485 terminals
Except for 1
Communication
3 (USB connector)
alarm of USB
connector
Except for 3
Communication
alarm of
⎯
communication
option
*1 Can be selected using Pr. 75 Reset selection/disconnected PU detection/PU stop selection
*2 Can be selected using Pr. 122 PU communication check time interval, Pr. 336 RS-485 communication check time interval or Pr. 548 USB communication
check time interval.
*3 As controlled by the communication option.
*4 In the PU jog operation mode, operation is always stopped when the PU is disconnected. Whether error (E.PEU) occurrence is allowed or not is
as set in Pr. 75 Reset selection/disconnected PU detection/PU stop selection.
*5 When Pr. 550 NET mode operation command source selection = 1 (RS-485 terminals valid) or Pr. 550 NET mode operation command source selection =
9999 and the communication option is not fitted
*6 When Pr. 550 NET mode operation command source selection = 0 (communication option valid) or Pr. 550 NET mode operation command source selection
= 9999 and the communication option is fitted
312
Operation
Mode
PU External
Operation Operation
×
×
Mode
PU External
Operation Operation
Stop/
continued
*2
Stop/
continued
*2
Stop/
continued
*2
External/PU External/PU
Combined Combined
Operation Mode Operation
1 Mode 2
(Pr. 79 = 3) (Pr. 79 = 4)
×
: Enabled, ×: Disabled,
External/PU External/PU
Combined Combined
Operation Operation Mode
Mode 1 2
(Pr. 79 = 3) (Pr. 79 = 4)
Stop
Stop/continued
Stop/continued
Stop/continued
Continued
*2
Continued
Stop/continued
Continued
*2
Continued
Continued
Continued
Continued
NET Operation
(when RS-485
communication
terminals are
option is used)
used)
*6
× ×
*1
×
*1
: Some are enabled
NET Operation
NET Operation
(when RS-485
communication
terminals are
option is used)
used)
*5
*1, 4
*1
Continued
Continued
Stop/continued
*2
Stop/continued
*3
NET Operation
(when
*7
(when
*6
Continued
Continued