Mitsubishi Electric 800 Series Instruction Manual page 219

 Operation at fault
Fault type
(Pr.551 setting)
Inverter fault ―
PU connector 2 (PU connector)
disconnection 9999 (automatic
recognition)
Other than 2
Communication 2 (PU connector)
error at PU
connector
Other than 2
Communication 1 (RS-485
error at RS-485 terminals)
terminals
Other than 1
Communication 3 (USB connector)
error at USB 9999 (automatic
connector recognition)
Other than 3
Communication ―
error at
communication
option
*1 Selectable with Pr.75 Reset selection/disconnected PU detection/PU stop selection
*2 Selectable with Pr.122 PU communication check time interval, Pr.336 RS-485 communication check time interval, and Pr.548 USB
communication check time interval
*3 Follows the communication option
*4 In the PU JOG operation mode, operation always stops when the PU is disconnected. The operation of PU disconnection (E.PUE) follows the
Pr.75 Reset selection/disconnected PU detection/PU stop selection setting.
*5 When Pr.550 NET mode operation command source selection= "1" (RS-485 terminals enabled), or Pr.550 NET mode operation command
source selection="9999" with no communication option connected.
*6 When Pr.550 NET mode operation command source selection="0" (communication option enabled), or Pr.550 NET mode operation
command source selection="9999" with communication option connected.
218
5. PARAMETERS
5.6 (D) Operation command and frequency command
Conditions
PU operation
Stop
Stop/continued
Stop/continued
Stop/
*2
continued
Continued
Stop/
*2
continued
Continued
Stop/
*2
continued
Continued
Continued
Operation in each operation mode at error occurrences
External Combined
operation operation
mode 1
(Pr.79 =3)
*1*4
*1
Continued Stop/
continued
Continued Stop/
continued
Continued
Combined NET operation
operation (via RS-485
*5
mode 2 terminals)
(Pr.79 =4)
Continued
*2
Continued
*2
Stop/continued
*2
NET operation
*6
(via option)
Continued
Stop/continued
*3