Dancer feedback speed control details
68
Override compensation through terminal 2, 4, or 6 (Pr.73, Pr.406, Pr.252,
Pr.253, Pr.650)
• Use terminal 2, 4, or 6 (FR-A8AZ) for override compensation of the line speed command value.
• The terminal used for compensation is determined by the settings of
Pr.73 Analog input selection
,
Pr.406 High
resolution analog input selection
, and
Pr.650 Terminal 4 input compensation selection
.
∗1
When any function is assigned to a terminal by setting
Pr.361 to Pr.364
,
Pr.804
, or
Pr.1285
, the terminal cannot be used for the override
compensation signal.
∗2
Set
Pr.28 Multi-speed input compensation selection
= "1" to enable analog input compensation while the line speed is commanded
according to the multi-speed operation.
∗3
Set
Pr.304 Digital input and analog input compensation enable/disable selection
= "2, 3, 12, or 13" to enable analog input compensation
while the line speed is commanded using the FR-A8AX.
• Use
Pr.252 Override bias
and
Pr.253 Override gain
to set the override compensation amount.
NOTE
• When any function is assigned to terminal 1 using
Pr.361 to Pr.364
,
Pr.804
, or
Pr.1285
, the override compensation is invalid.
Line speed command input
method
Override
compensation signal
Parameter setting for selecting the override
compensation input terminal
Pr.73 setting
Pr.406 setting
Pr.650 setting
Pulse train input
Analog input
Multi-speed (NET operation (terminal))
FR-A8AX
Terminal 6 (FR-A8AZ)
4, 5, 14, 15
0
─
Terminal 4
Other than 0
1
Terminal 2
0
Pr.252
0 V
(0 V)
(0 mA)
2.5 V
(5 V)
(10 mA)
5 V
(10 V)
(20 mA)
0
50
100
150
1000
Initial value
(50% to 150%)
Analog input
Pr.253
Override amount (%)
Содержание A800 Plus Series
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