37
4
4.5.3
Frequency command with sign (Pr. 541)
By frequency command with sign, start command (forward rotation/reverse rotation) can be inversed to operate.
Make selection of sign for the frequency command from RWw0.
The setting is available only for the FR-A800 series.
• Relationship between the start command and sign (
Pr. 541
= "1")
Pr.
Name
Initial value
Setting range
541
Frequency command sign selection
0
0, 1
Speed setting using
Pr.37 and Pr.144
Pr.541
setting
Sign
Setting range
Actual frequency command
Not used
0
Not
used
0 to 59000
0 to 590.00 Hz
1
With
-32768 to 32767 (two's complement)
-327.68 to 327.67 Hz
With
0
Not
used
0 to 65535
It depends on
Pr. 37
,
Pr. 144
,
Pr. 811
.
(in 1 or 0.1 increments)
1
With
-32768 to 32767 (two's complement)
Start command
Sign of the frequency command
Actual run command
Forward rotation
+
Forward rotation
-
Reverse rotation
Reverse rotation
+
Reverse rotation
-
Forward rotation
