Mitsubishi Electric FR-D720S SC EC, Инструкция по эксплуатации

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Parameter Communication operation and settings
FR-D700 SC EC 6 - 199
6.18.3 Operation selection at communication error occurrence
(Pr. 121, Pr. 122, Pr. 502)
The above parameters can be set when Pr. 160 = 0.
Pr.
No.
Name
Initial
Value
Setting
Range
Description Parameters referred to
Refer to
Section
121
Number of PU
communica-
tion retries
1
0–10
Number of retries at data receive error occurrence
If the number of consecutive errors exceeds the permissi-
ble value, the inverter will come to trip (depends on
Pr. 502).
Valid only Mitsubishi inverter (computer link operation)
protocol
7
8
190/192/
197
Acceleration time
Deceleration time
Output terminal
function selection 6.6.1
6.6.1
6.9.5
9999
If a communication error occurs, the inverter will not
come to trip.
122
PU communi-
cation check
time interval
9999
0
RS485 communication can be made. Note that a commu-
nication fault (E.PUE) occurs as soon as the inverter is
switched to the operation mode (network operation mode
in the initial setting) with the control.
0.1
–
999.8 s
Communication check (signal loss detection) time inter-
valIf a no-communication state persists for longer than
the permissible time, the inverter will come to trip
(depends on Pr. 502).
9999 No communication check (signal loss detection)
502
Stop mode
selection at
communica-
tion error
0
At fault occur-
rence
Indication Fault output
At fault
removal
0 Coasts to stop E.PUE Output
Stop
(E.PUE)
1
Decelerates to
stop After stop
E.PUE Output after
stop Stop
(E.PUE)
2
Decelerates to
stop After stop
E.PUE Without
output
Automatic
restart
functions