Mitsubishi Electric A800-E Instruction Manual page 17

(N) Operation via communication and its settings
• The following charts show operations when a communication line error occurs.
Pr.502 = "0 (initial value)"
Communication
fault
Output frequency
Fault indication
(E.EHR/E.OP1)
Fault signal
(ALM)
Alarm signal
(LF)
Pr.502 = "2"
Communication
fault
Output frequency
Fault indication
(E.EHR/E.OP1)
Fault signal
(ALM)
Alarm signal
(LF)
Pr.502 = "4"
Communication
fault
Output frequency
Pr.779
Warning indication
(CF)
Fault signal
(ALM)
Alarm signal
(LF)
NOTE
• When the Pr.1431 setting is changed to a value other than "3" after the operation defined by the Pr.502 setting starts, the
operation will be changed according to the Pr.1431 setting.
16
PARAMETER
Fault cleared
Fault detected
OFF ON
Motor coasting
Displayed
OFF ON
OFF ON
Fault detected Fault cleared
OFF ON
Motor
decelerates
to stop
Displayed
OFF
OFF ON
Fault detected Fault cleared
OFF ON
Pr.779 = "9999" Pr.779 = "9999" Pr.779 = "9999"
Pr.779 "9999"
(Operation continues at
the frequency set in Pr.779)
Displayed
OFF
OFF ON
Pr.502 = "1"
Communication
OFF OFF
fault
Output frequency
Time
Fault indication
(E.EHR/E.OP1)
Fault signal
(ALM)
Alarm signal
OFF OFF
(LF)
Pr.502 = "3"
OFF OFF
Communication
fault
Output frequency
Pr.779
Time
Not displayed
Fault indication
Fault signal
OFF
(ALM)
Alarm signal
OFF OFF
(LF)
OFF
Time
OFF
Fault detected Fault cleared
ON OFF
Motor
decelerates
to stop
Displayed
OFF ON
ON OFF
Fault detected Fault cleared
ON OFF
Pr.779 = "9999" Pr.779 = "9999" Pr.779 = "9999"
Pr.779 "9999"
(Operation continues at
the frequency set in Pr.779)
ON OFF
Time
Time