4-22
ECODRIVE DKC drive controllers
ECODRIVE DKC01.1/DKC11.1 Drive Controllers
DOK-ECODRV-DKC01/11.1*-PRJ3-EN-P
Note:
If the inputs POS 1 and POS 2 in Fig. 4-28 are assigned a
LOW signal, 5 volts are applied there. If a PLC is connected,
this can cause the control LEDs to respond. This is prevented
by an interconnected blocking diode in accordance with the
circuit proposal Fig. 4-29.
SP0201.fh5
4k7
10k
5V1
Blocking
diode
1N4148
+24 V
Output
SPS
Inputs DKC
Terminal: X2/1; X2/2; X2/3; X2/4
POS1...POS4
+5 V
2k
10n
200
Fig. 4-29: Circuit proposal
Stepper interface
SV0200.fh5
1: Quadrature-signals
2: Forward-backwards-signals
3: Step and direction singnals
SM 1
SM 2
SM 1
SM 2
SM 2
SM 1
Right-hand rotation
Left-hand rotation
t1
t1
t2
t3
t
L
t2
5,6 µs
t3
5,6 µs
tL
2,8 µs
t1 1,4 µs
³
³
³
³
Left-hand rotation
Left-hand rotation
Right-hand rotation
Right-hand rotation
Fig. 4-30: Control modes of the stepper interface
Control modes via the stepper
interface
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