Mitsubishi Electric FR-D720S SC EC, Инструкция по эксплуатации

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Parameter Function assignment of external terminals
FR-D700 SC EC 6 - 105
6.9.7 Output current detection function
(Y12, Y13, Pr. 150 to Pr. 153, Pr. 166, Pr. 167)
The output power during inverter running can be detected and output to the output terminal.
The above parameters can be set when Pr. 160 = 0.
Output current detection (Y12, Pr. 150, Pr. 151, Pr. 166, Pr. 167)
The output current detection function can be used for excessive torque detection, etc.
If the output current remains higher than the Pr. 150 setting during inverter operation for longer
than the time set in Pr. 151, the output current detection signal (Y12) is output from the inverter's
open collector or relay output terminal. When Pr. 166 = "9999", the ON state is held until a next
start.
At the Pr. 166 setting of "1", the inverter trips, and the output current detection fault (E.CDO) is
displayed when the Y12 signal turns ON. When fault occurs, the Y12 signal is ON for the time
set in Pr. 166 at the Pr. 166 setting of other than 9999, and remains ON until a reset is made at
the Pr. 166 setting of 9999. E.CDO does not occur even if "1" is set in Pr. 167 while Y12 is ON.
The Pr. 167 setting is valid after Y12 turns OFF
For the Y12 signal, set "12" (positive logic) or "112" (negative logic) in Pr. 190, Pr. 192 or Pr. 197
and assign functions to the output terminal.
Pr.
No.
Name
Initial
Value
Setting
Range
Description Parameters referred to
Refer to
Section
150
Output current detection
level
150% 0–200%
Set the output current detection level.
100% is the rated inverter current.
190/192/
197
Output terminal
function selection 6.9.5
151
Output current detection
signal delay time
0s 0–10s
Set the output current detection period.
Set the time from when the output cur-
rent has risen above the setting until the
output current detection signal (Y12) is
output.
152
Zero current detection
level
5% 0–200%
Set the zero current detection level.
The rated inverter current is assumed to
be 100%.
153
Zero current detection
time
0.5s 0–1s
Set this parameter to define the period
from when the output current drops
below the Pr. 152 value until the zero
current detection signal (Y13) is output.
166
Output current detection
signal retention time
0.1 s
0–10 s
Set the retention time when the Y12
signal is ON.
9999
The Y12 signal ON status is retained. The
signal is turned off at the next start.
167
Output current detection
operation selection
0
0
Operation continues when the Y12 signal
is ON
1
The inverter is brought to trip when the
Y12 signal is ON. (E.CDO)
I001155E
Abb. 6-55: Output current detection (Pr. 166
≠
9999, Pr. 167 = 0)
Output current
Pr. 150
Output current
detection signal Y12
Pr. 151
Pr. 166
min. 100ms
Time
ON