
2.8 DFIN_IO_DigitalFrequency (node number 21)
9300 Servo PLC
System blocks
2−38
L
9300 Servo PLC EN 5.1
Configuration of the digital frequency input signal
The type of the digital frequency input signal is configured under C0427:
Code LCD
Possible settings
Info
Lenze Selection
C0427 DFIN function 0 Type of the digital frequency signal
0 2 phases
1 A = Speed / B = Direction
2 A or B = Speed or direction
C0427 = 0 (2 phases)
B
B
A
A
Z
Z
Track CW rotation CCW rotation
A leads track B by 90º
(DFIN_nIn_v = positive value)
lags behind track B by 90º
(DFIN_nIn_v = negative value)
B − −
Signal sequence with phase shift (CW rotation)
C0427 = 1 (A = Speed / B = Direction)
B
B
A
A
Z
Z
Track CW rotation CCW rotation
A transmits the speed transmits the speed
B = FALSE
(DFIN_nIn_v = positive value)
= TRUE
(DFIN_nIn_v = negative value)
Control of the direction of rotation via track B
C0427 = 2 (A or B = speed or direction)
B
B
A
A
Z
Z
Track CW rotation CCW rotation
A transmits the speed and the direction
of rotation
(DFIN_nIn_v = positive value)
= FALSE
B = FALSE transmits the speed and the direction
of rotation
(DFIN_nIn_v = negative value)
Control of the speed and the direction of rotation
via track A or track B
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