Mitsubishi Electric fr-e700 series, Instruction Manual

Page: 395 / 608

Parameter Communication operation and setting
FR-E700 SC EC/ENE 6 - 241
I004010E
Fig. 6-122: Operations when a communication line fault occurs
NOTES
When the Pr. 851 setting is changed to a value other than "3 (initial value)" after the operation
defined by the Pr. 502 settingstarts, the operation will be changed according to the Pr. 851 setting.
The LF signal is output when Ethernet communication is interrupted by physical factors.
Pr. 502 = 0 (initial value) Pr. 502 = 1
Fault detected Fault cleared
Communication
fault
Output fr
equenc
y
Output fr
equenc
y
OFF
OFF
OFF
OFF
OFF OFF
OFF
OFF
ON ON
ON ON
ON
ON
ON
OFF
OFF
OFF
OFF
OFF
Time
Time
Time
Motor
decelerates
to stop
Motor coasting
Motor coasting
Fault detected Fault cleared
Fault cleared Fault cleared Fault detected Fault detected
Fault indication
(E.OP1)
Fault signal
(ALM)
Fault indication
(E.OP1)
Fault signal
(ALM)
Communication
fault
Pr. 502 = 2 Pr. 502 = 3
Communication
fault
Communication
fault
Fault indication
(E.OP1)
Fault signal
(ALM)
Displayed
Displayed
Fault indication
Fault signal
(ALM)
Alarm signal
(LF)
Not displayed
Output fr
equenc
y
Output fr
equenc
y
Displayed
OFF
Alarm signal
(LF)
OFF ON OFF
Alarm signal
(LF)
OFF ON OFF
Alarm signal
(LF)
OFF ON OFF
Time