Mitsubishi FR-A500 Series Instruction Manual page 142

( 6 ) Communication specifications for RS-485 communication
Operation Location
Computer user program via
PU connector
Computer user program via
inboard option
Control circuit terminal
(*1) As set in the operation and speed command write parameters.
(*2) At occurrence of RS-485 communication fault, the inverter cannot be reset from the computer.
(*3) As set in Pr. 75.
(*4) As set in Pr. 77.
( 7 ) Operation at alarm occurrence
Fault Location
Inverter operation
Inverter fault
Communication
Communication Inverter operation
error
(Communication
Communication
from PU connector)
Inverter operation
Communication
error
Communication
(Inboard option)
(*5) Can be selected using the corresponding parameter (factory-set to continue)
(*6) Can be selected using the corresponding parameter (factory-set to stop)
( 8 ) Communication error
Fault Location
Communication error
(Communication error from PU connector)
Option fault
(Communication line fault)
Communication error
(Plug-in option fault)
Communication
Item
Operation from PU
Run command (start)
Running frequency setting
Monitoring
Parameter write
Parameter read
Inverter reset
Stop command (*3)
Run command
Running frequency setting
Monitoring
Parameter write
Parameter read
Inverter reset
Stop command (*3)
Inverter reset
Run command
Running frequency setting
Description
PU connector
Inboard option
PU connector
Inboard option
PU connector
Inboard option
Error Message
E.PUE
E.OP1 to E.OP3
E. 1 to E. 3
Operation Mode
External
Operation
Connector
Enable Disable
Enable
Enable (Combined
operation mode)
Enable Enable
Enable (*4) Disable (*4)
Enable Enable
Enable (*2) Enable (*2)
Enable Enable
Disable Disable
Disable Disable
Enable Enable
Disable (*4) Disable (*4)
Enable Enable
Disable Disable
Disable Disable
Enable Enable
Disable Enable
Disable Enable
Operation Mode
Communication
External
Operation
Operation
(PU connector)
Stop Stop
Continued Continued
Continued Continued
Stop/continued (*5) Continued
Stop Stop
Continued Continued
Continued Continued
Continued Continued
Stop Stop
129
PARAMETERS
Computer Link Operation
(inboard option used)
Disable
Disable
Enable
Disable (*4)
Enable
Enable (*2)
Enable
Enable (*1)
Enable (*1)
Enable
Enable (*4)
Enable
Enable (*2)
Enable
Enable
Enable (*1)
Enable (*1)
Computer link
Operation
(inboard option used)
Stop
Continued
Continued
Continued
Stop
Continued
Stop/continued (*6)
Continued
Stop
4