140
PARAMETERS
(6) Communication specifications for RS-485 communication
(*1) As set in the operation and speed command source 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
(*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
Operation Location Item
Operation Mode
Communication
Operation from PU
Connector
External
Operation
Computer Link Operation
(plug-in option used)
Computer user program via
PU connector
Run command (start) Enable Disable Disable
Running frequency setting Enable
Enable
(Combined
operation mode)
Disable
Monitoring Enable Enable Enable
Parameter write Enable (*4) Disable (*4) Disable (*4)
Parameter read Enable Enable Enable
Inverter reset Enable (*2) Enable (*2) Enable (*2)
Stop command (*3) Enable Enable Enable
Computer user program via
plug-in option
Run command Disable Disable Enable (*1)
Running frequency setting Disable Disable Enable (*1)
Monitoring Enable Enable Enable
Parameter write Disable (*4) Disable (*4) Enable (*4)
Parameter read Enable Enable Enable
Inverter reset Disable Disable Enable (*2)
Stop command (*3) Disable Disable Enable
Control circuit terminal
Inverter reset Enable Enable Enable
Run command Disable Enable Enable (*1)
Running frequency setting Disable Enable Enable (*1)
Fault Location Status
Operation Mode
Communication
Operation
(PU connector)
External
Operation
Computer link
Operation
(plug-in option used)
Inverter fault
Inverter operation Stop Stop Stop
Communication
PU connector Continued Continued Continued
Plug-in option Continued Continued Continued
Communication error
(communication from
PU connector)
Inverter operation Stop/continued (*5) Continued Continued
Communication
PU connector Stop Stop Stop
Plug-in option Continued Continued Continued
Communication error
(plug-in option)
Inverter operation Continued Continued Stop/continued (*6)
Communication
PU connector Continued Continued Continued
Plug-in option Stop Stop Stop
Fault Location Error Message
Communication error (communication error
from PU connector)
E.PUE
Option fault
(communication line fault)
E.OP1 to E.OP3
Communication error
(plug-in option fault)
E. 1 to E. 3