Mitsubishi Electric FR-E 500 Instruction Manual page 148

(5) Communication specifications for RS-485 communication
Operation
Location
Computer user Run command
program via PU (start)
connector
Running
(When "0, 1, 10
frequency setting
or 11" is set in
Pr. 119)
Monitoring
Parameter write
Parameter read
Inverter reset
Stop command
Computer user Run command
program via PU Running
connector frequency setting
(When "100, 101,
Monitoring
110 or 111" is set
Parameter write
in Pr. 119)
Parameter read
Inverter reset
Stop command
Control circuit Inverter reset
external terminal
Run command
Running
frequency setting
*1. As set in Pr. 338 "operation command write" and Pr. 339 "speed command write".
(Refer to page 120)
*2. At occurrence of RS-485 communication error, the inverter cannot be reset from the
computer.
*3. As set in Pr. 75 "reset selection/disconnected PU detection/PU stop selection".
*4. As set in Pr. 77 "parameter write disable selection".
(6) Operation at alarm occurrence
Fault Location
Inverter operation
Inverter fault
Communication PU connector
Communication
Inverter operation
error
(Communication
from PU Communication PU connector
connector)
*3: Can be selected using the corresponding parameter (factory-set to stop).
(7) Communication error
Fault Location
Communication error
(Error in Communication from PU
connector)
Item
PU operation
Enabled
Enabled
Enabled
Enabled (*4)
Enabled
Enabled
Enabled
Disabled
Disabled
Enabled
Disabled
Enabled
Disabled
Disabled
Enabled
Disabled
Disabled
Description
Error Message
Not displayed
133
Operation Mode
External
operation
Disable
Enabled
(Combined
operation mode)
Enabled
Disabled
Enabled
Enabled
Enabled (*3)
Disabled
Disabled
Enabled
Disabled
Enabled
Disabled
Disabled
Enabled
Enabled
Enabled
Operation Mode
Communication
External
Operation
Operation
(PU connector)
Stop Stop
Continued Continued
Stop/continued
Continued
(*3)
Stop Stop
Remarks
Error code is E.PUE (E. OPT appears
during NET mode communication.)
PARAMETERS
Computer link
operation
(for NET mode
communication)
Disabled
Disabled
Enabled
Disabled
Enabled
Enabled
Enabled (*3)
Enabled (*1)
Enabled (*1)
Enabled
Enabled (*4)
Enabled
Enabled (*2)
Enabled
Enabled
Enabled (*1)
Enabled (*1)
Communication
Link Operation
(for NET mode
communication)
Stop
Continued
Stop/continued
(*3)
Stop
4